diff options
105 files changed, 3311 insertions, 2228 deletions
diff --git a/Documentation/arm/Marvell/README b/Documentation/arm/Marvell/README index 8f08a86e03b7..da0151db9964 100644 --- a/Documentation/arm/Marvell/README +++ b/Documentation/arm/Marvell/README @@ -88,6 +88,7 @@ EBU Armada family MV78230 MV78260 MV78460 + NOTE: not to be confused with the non-SMP 78xx0 SoCs Product Brief: http://www.marvell.com/embedded-processors/armada-xp/assets/Marvell-ArmadaXP-SoC-product%20brief.pdf No public datasheet available. diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards index db5858e32d3f..5fac246a9530 100644 --- a/Documentation/devicetree/bindings/arm/arm-boards +++ b/Documentation/devicetree/bindings/arm/arm-boards @@ -9,9 +9,53 @@ Required properties (in root node): FPGA type interrupt controllers, see the versatile-fpga-irq binding doc. -In the root node the Integrator/CP must have a /cpcon node pointing -to the CP control registers, and the Integrator/AP must have a -/syscon node pointing to the Integrator/AP system controller. +Required nodes: + +- core-module: the root node to the Integrator platforms must have + a core-module with regs and the compatible string + "arm,core-module-integrator" + + Required properties for the core module: + - regs: the location and size of the core module registers, one + range of 0x200 bytes. + +- syscon: the root node of the Integrator platforms must have a + system controller node pointong to the control registers, + with the compatible string + "arm,integrator-ap-syscon" + "arm,integrator-cp-syscon" + respectively. + + Required properties for the system controller: + - regs: the location and size of the system controller registers, + one range of 0x100 bytes. + + Required properties for the AP system controller: + - interrupts: the AP syscon node must include the logical module + interrupts, stated in order of module instance <module 0>, + <module 1>, <module 2> ... for the CP system controller this + is not required not of any use. + +/dts-v1/; +/include/ "integrator.dtsi" + +/ { + model = "ARM Integrator/AP"; + compatible = "arm,integrator-ap"; + + core-module@10000000 { + compatible = "arm,core-module-integrator"; + reg = <0x10000000 0x200>; + }; + + syscon { + compatible = "arm,integrator-ap-syscon"; + reg = <0x11000000 0x100>; + interrupt-parent = <&pic>; + /* These are the logic module IRQs */ + interrupts = <9>, <10>, <11>, <12>; + }; +}; ARM Versatile Application and Platform Baseboards diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1ad6fb6c094d..bca9f94d2724 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -317,6 +317,7 @@ config ARCH_INTEGRATOR select NEED_MACH_MEMORY_H select PLAT_VERSATILE select SPARSE_IRQ + select USE_OF select VERSATILE_FPGA_IRQ help Support for ARM's Integrator platform. @@ -727,6 +728,7 @@ config ARCH_S3C64XX select ARM_VIC select CLKDEV_LOOKUP select CLKSRC_SAMSUNG_PWM + select COMMON_CLK select CPU_V6 select GENERIC_CLOCKEVENTS select GPIO_SAMSUNG @@ -740,7 +742,6 @@ config ARCH_S3C64XX select S3C_DEV_NAND select S3C_GPIO_TRACK select SAMSUNG_ATAGS - select SAMSUNG_CLKSRC select SAMSUNG_GPIOLIB_4BIT select SAMSUNG_WDT_RESET select USB_ARCH_HAS_OHCI diff --git a/arch/arm/boot/dts/ecx-common.dtsi b/arch/arm/boot/dts/ecx-common.dtsi index e8559b753c9d..bc22557d7a6a 100644 --- a/arch/arm/boot/dts/ecx-common.dtsi +++ b/arch/arm/boot/dts/ecx-common.dtsi @@ -19,6 +19,14 @@ bootargs = "console=ttyAMA0"; }; + psci { + compatible = "arm,psci"; + method = "smc"; + cpu_suspend = <0x84000002>; + cpu_off = <0x84000004>; + cpu_on = <0x84000006>; + }; + soc { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi index 813b91d7bea2..0f06f8687b0b 100644 --- a/arch/arm/boot/dts/integrator.dtsi +++ b/arch/arm/boot/dts/integrator.dtsi @@ -5,6 +5,11 @@ /include/ "skeleton.dtsi" / { + core-module@10000000 { + compatible = "arm,core-module-integrator"; + reg = <0x10000000 0x200>; + }; + timer@13000000 { reg = <0x13000000 0x100>; interrupt-parent = <&pic>; diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts index b6b82eca8d1e..e6be9315ff0a 100644 --- a/arch/arm/boot/dts/integratorap.dts +++ b/arch/arm/boot/dts/integratorap.dts @@ -19,8 +19,11 @@ }; syscon { - /* AP system controller registers */ + compatible = "arm,integrator-ap-syscon"; reg = <0x11000000 0x100>; + interrupt-parent = <&pic>; + /* These are the logical module IRQs */ + interrupts = <9>, <10>, <11>, <12>; }; timer0: timer@13000000 { diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts index ff1aea0ee043..a3a06b893237 100644 --- a/arch/arm/boot/dts/integratorcp.dts +++ b/arch/arm/boot/dts/integratorcp.dts @@ -18,8 +18,8 @@ bootargs = "root=/dev/ram0 console=ttyAMA0,38400n8 earlyprintk"; }; - cpcon { - /* CP controller registers */ + syscon { + compatible = "arm,integrator-cp-syscon"; reg = <0xcb000000 0x100>; }; diff --git a/arch/arm/boot/dts/keystone-clocks.dtsi b/arch/arm/boot/dts/keystone-clocks.dtsi new file mode 100644 index 000000000000..d6713b113258 --- /dev/null +++ b/arch/arm/boot/dts/keystone-clocks.dtsi @@ -0,0 +1,821 @@ +/* + * Device Tree Source for Keystone 2 clock tree + * + * Copyright (C) 2013 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + refclkmain: refclkmain { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <122880000>; + clock-output-names = "refclk-main"; + }; + + mainpllclk: mainpllclk@2310110 { + #clock-cells = <0>; + compatible = "ti,keystone,main-pll-clock"; + clocks = <&refclkmain>; + reg = <0x02620350 4>, <0x02310110 4>; + reg-names = "control", "multiplier"; + fixed-postdiv = <2>; + }; + + papllclk: papllclk@2620358 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "pa-pll-clk"; + reg = <0x02620358 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + ddr3allclk: ddr3apllclk@2620360 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "ddr-3a-pll-clk"; + reg = <0x02620360 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + ddr3bllclk: ddr3bpllclk@2620368 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "ddr-3b-pll-clk"; + reg = <0x02620368 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + armpllclk: armpllclk@2620370 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "arm-pll-clk"; + reg = <0x02620370 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + mainmuxclk: mainmuxclk@2310108 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-mux-clock"; + clocks = <&mainpllclk>, <&refclkmain>; + reg = <0x02310108 4>; + bit-shift = <23>; + bit-mask = <1>; + clock-output-names = "mainmuxclk"; + }; + + chipclk1: chipclk1 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&mainmuxclk>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "chipclk1"; + }; + + chipclk1rstiso: chipclk1rstiso { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&mainmuxclk>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso"; + }; + + gemtraceclk: gemtraceclk@2310120 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-divider-clock"; + clocks = <&mainmuxclk>; + reg = <0x02310120 4>; + bit-shift = <0>; + bit-mask = <8>; + clock-output-names = "gemtraceclk"; + }; + + chipstmxptclk: chipstmxptclk { + #clock-cells = <0>; + compatible = "ti,keystone,pll-divider-clock"; + clocks = <&mainmuxclk>; + reg = <0x02310164 4>; + bit-shift = <0>; + bit-mask = <8>; + clock-output-names = "chipstmxptclk"; + }; + + chipclk12: chipclk12 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <2>; + clock-mult = <1>; + clock-output-names = "chipclk12"; + }; + + chipclk13: chipclk13 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <3>; + clock-mult = <1>; + clock-output-names = "chipclk13"; + }; + + chipclk14: chipclk14 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <4>; + clock-mult = <1>; + clock-output-names = "chipclk14"; + }; + + chipclk16: chipclk16 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <6>; + clock-mult = <1>; + clock-output-names = "chipclk16"; + }; + + chipclk112: chipclk112 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <12>; + clock-mult = <1>; + clock-output-names = "chipclk112"; + }; + + chipclk124: chipclk124 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <24>; + clock-mult = <1>; + clock-output-names = "chipclk114"; + }; + + chipclk1rstiso13: chipclk1rstiso13 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <3>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso13"; + }; + + chipclk1rstiso14: chipclk1rstiso14 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <4>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso14"; + }; + + chipclk1rstiso16: chipclk1rstiso16 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <6>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso16"; + }; + + chipclk1rstiso112: chipclk1rstiso112 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <12>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso112"; + }; + + clkmodrst0: clkmodrst0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "modrst0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + + clkusb: clkusb { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "usb"; + reg = <0x02350008 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkaemifspi: clkaemifspi { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "aemif-spi"; + reg = <0x0235000c 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + + clkdebugsstrc: clkdebugsstrc { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "debugss-trc"; + reg = <0x02350014 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clktetbtrc: clktetbtrc { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tetb-trc"; + reg = <0x02350018 0xb00>, <0x02350004 0x400>; + reg-names = "control", "domain"; + domain-id = <1>; + }; + + clkpa: clkpa { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "pa"; + reg = <0x0235001c 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clkcpgmac: clkcpgmac { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkpa>; + clock-output-names = "cpgmac"; + reg = <0x02350020 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clksa: clksa { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkpa>; + clock-output-names = "sa"; + reg = <0x02350024 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clkpcie: clkpcie { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "pcie"; + reg = <0x02350028 0xb00>, <0x0235000c 0x400>; + reg-names = "control", "domain"; + domain-id = <3>; + }; + + clksrio: clksrio { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1rstiso13>; + clock-output-names = "srio"; + reg = <0x0235002c 0xb00>, <0x02350010 0x400>; + reg-names = "control", "domain"; + domain-id = <4>; + }; + + clkhyperlink0: clkhyperlink0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "hyperlink-0"; + reg = <0x02350030 0xb00>, <0x02350014 0x400>; + reg-names = "control", "domain"; + domain-id = <5>; + }; + + clksr: clksr { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1rstiso112>; + clock-output-names = "sr"; + reg = <0x02350034 0xb00>, <0x02350018 0x400>; + reg-names = "control", "domain"; + domain-id = <6>; + }; + + clkmsmcsram: clkmsmcsram { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "msmcsram"; + reg = <0x02350038 0xb00>, <0x0235001c 0x400>; + reg-names = "control", "domain"; + domain-id = <7>; + }; + + clkgem0: clkgem0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem0"; + reg = <0x0235003c 0xb00>, <0x02350020 0x400>; + reg-names = "control", "domain"; + domain-id = <8>; + }; + + clkgem1: clkgem1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem1"; + reg = <0x02350040 0xb00>, <0x02350024 0x400>; + reg-names = "control", "domain"; + domain-id = <9>; + }; + + clkgem2: clkgem2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem2"; + reg = <0x02350044 0xb00>, <0x02350028 0x400>; + reg-names = "control", "domain"; + domain-id = <10>; + }; + + clkgem3: clkgem3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem3"; + reg = <0x02350048 0xb00>, <0x0235002c 0x400>; + reg-names = "control", "domain"; + domain-id = <11>; + }; + + clkgem4: clkgem4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem4"; + reg = <0x0235004c 0xb00>, <0x02350030 0x400>; + reg-names = "control", "domain"; + domain-id = <12>; + }; + + clkgem5: clkgem5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem5"; + reg = <0x02350050 0xb00>, <0x02350034 0x400>; + reg-names = "control", "domain"; + domain-id = <13>; + }; + + clkgem6: clkgem6 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem6"; + reg = <0x02350054 0xb00>, <0x02350038 0x400>; + reg-names = "control", "domain"; + domain-id = <14>; + }; + + clkgem7: clkgem7 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem7"; + reg = <0x02350058 0xb00>, <0x0235003c 0x400>; + reg-names = "control", "domain"; + domain-id = <15>; + }; + + clkddr30: clkddr30 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "ddr3-0"; + reg = <0x0235005c 0xb00>, <0x02350040 0x400>; + reg-names = "control", "domain"; + domain-id = <16>; + }; + + clkddr31: clkddr31 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "ddr3-1"; + reg = <0x02350060 0xb00>, <0x02350040 0x400>; + reg-names = "control", "domain"; + domain-id = <16>; + }; + + clktac: clktac { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tac"; + reg = <0x02350064 0xb00>, <0x02350044 0x400>; + reg-names = "control", "domain"; + domain-id = <17>; + }; + + clkrac01: clktac01 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "rac-01"; + reg = <0x02350068 0xb00>, <0x02350044 0x400>; + reg-names = "control", "domain"; + domain-id = <17>; + }; + + clkrac23: clktac23 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "rac-23"; + reg = <0x0235006c 0xb00>, <0x02350048 0x400>; + reg-names = "control", "domain"; + domain-id = <18>; + }; + + clkfftc0: clkfftc0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-0"; + reg = <0x02350070 0xb00>, <0x0235004c 0x400>; + reg-names = "control", "domain"; + domain-id = <19>; + }; + + clkfftc1: clkfftc1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-1"; + reg = <0x02350074 0xb00>, <0x023504c0 0x400>; + reg-names = "control", "domain"; + domain-id = <19>; + }; + + clkfftc2: clkfftc2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-2"; + reg = <0x02350078 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc3: clkfftc3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-3"; + reg = <0x0235007c 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc4: clkfftc4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-4"; + reg = <0x02350080 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc5: clkfftc5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-5"; + reg = <0x02350084 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkaif: clkaif { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "aif"; + reg = <0x02350088 0xb00>, <0x02350054 0x400>; + reg-names = "control", "domain"; + domain-id = <21>; + }; + + clktcp3d0: clktcp3d0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-0"; + reg = <0x0235008c 0xb00>, <0x02350058 0x400>; + reg-names = "control", "domain"; + domain-id = <22>; + }; + + clktcp3d1: clktcp3d1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-1"; + reg = <0x02350090 0xb00>, <0x02350058 0x400>; + reg-names = "control", "domain"; + domain-id = <22>; + }; + + clktcp3d2: clktcp3d2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-2"; + reg = <0x02350094 0xb00>, <0x0235005c 0x400>; + reg-names = "control", "domain"; + domain-id = <23>; + }; + + clktcp3d3: clktcp3d3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-3"; + reg = <0x02350098 0xb00>, <0x0235005c 0x400>; + reg-names = "control", "domain"; + domain-id = <23>; + }; + + clkvcp0: clkvcp0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-0"; + reg = <0x0235009c 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp1: clkvcp1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-1"; + reg = <0x023500a0 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp2: clkvcp2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-2"; + reg = <0x023500a4 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp3: clkvcp3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-3"; + reg = <0x0235000a8 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp4: clkvcp4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-4"; + reg = <0x023500ac 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp5: clkvcp5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-5"; + reg = <0x023500b0 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp6: clkvcp6 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-6"; + reg = <0x023500b4 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp7: clkvcp7 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-7"; + reg = <0x023500b8 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkbcp: clkbcp { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "bcp"; + reg = <0x023500bc 0xb00>, <0x02350068 0x400>; + reg-names = "control", "domain"; + domain-id = <26>; + }; + + clkdxb: clkdxb { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "dxb"; + reg = <0x023500c0 0xb00>, <0x0235006c 0x400>; + reg-names = "control", "domain"; + domain-id = <27>; + }; + + clkhyperlink1: clkhyperlink1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "hyperlink-1"; + reg = <0x023500c4 0xb00>, <0x02350070 0x400>; + reg-names = "control", "domain"; + domain-id = <28>; + }; + + clkxge: clkxge { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "xge"; + reg = <0x023500c8 0xb00>, <0x02350074 0x400>; + reg-names = "control", "domain"; + domain-id = <29>; + }; + + clkwdtimer0: clkwdtimer0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer1: clkwdtimer1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer1"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer2: clkwdtimer2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer2"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer3: clkwdtimer3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer3"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkuart0: clkuart0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "uart0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkuart1: clkuart1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "uart1"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkaemif: clkaemif { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkaemifspi>; + clock-output-names = "aemif"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkusim: clkusim { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "usim"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clki2c: clki2c { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "i2c"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkspi: clkspi { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkaemifspi>; + clock-output-names = "spi"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkgpio: clkgpio { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "gpio"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkkeymgr: clkkeymgr { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "keymgr"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; +}; diff --git a/arch/arm/boot/dts/keystone.dts b/arch/arm/boot/dts/keystone.dts index a68e34bbecb2..100bdf52b847 100644 --- a/arch/arm/boot/dts/keystone.dts +++ b/arch/arm/boot/dts/keystone.dts @@ -100,13 +100,15 @@ reg = <0x023100e8 4>; /* pll reset control reg */ }; + /include/ "keystone-clocks.dtsi" + uart0: serial@02530c00 { compatible = "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>; reg = <0x02530c00 0x100>; - clock-frequency = <133120000>; + clocks = <&clkuart0>; interrupts = <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>; }; @@ -116,9 +118,66 @@ reg-shift = <2>; reg-io-width = <4>; reg = <0x02531000 0x100>; - clock-frequency = <133120000>; + clocks = <&clkuart1>; interrupts = <GIC_SPI 280 IRQ_TYPE_EDGE_RISING>; }; + i2c0: i2c@2530000 { + compatible = "ti,davinci-i2c"; + reg = <0x02530000 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 283 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <0>; + + dtt@50 { + compatible = "at,24c1024"; + reg = <0x50>; + }; + }; + + i2c1: i2c@2530400 { + compatible = "ti,davinci-i2c"; + reg = <0x02530400 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 286 IRQ_TYPE_EDGE_RISING>; + }; + + i2c2: i2c@2530800 { + compatible = "ti,davinci-i2c"; + reg = <0x02530800 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 289 IRQ_TYPE_EDGE_RISING>; + }; + + spi0: spi@21000400 { + compatible = "ti,dm6441-spi"; + reg = <0x21000400 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 292 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; + + spi1: spi@21000600 { + compatible = "ti,dm6441-spi"; + reg = <0x21000600 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 296 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; + + spi2: spi@21000800 { + compatible = "ti,dm6441-spi"; + reg = <0x21000800 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 300 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; }; }; diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi new file mode 100644 index 000000000000..46b82aa7dc4e --- /dev/null +++ b/arch/arm/boot/dts/r7s72100.dtsi @@ -0,0 +1,36 @@ +/* + * Device Tree Source for the r7s72100 SoC + * + * Copyright (C) 2013 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/ { + compatible = "renesas,r7s72100"; + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0>; + }; + }; + + gic: interrupt-controller@e8201000 { + compatible = "arm,cortex-a9-gic"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0xe8201000 0x1000>, + <0xe8202000 0x1000>; + }; +}; diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi new file mode 100644 index 000000000000..bbed43bd9be9 --- /dev/null +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -0,0 +1,41 @@ +/* + * Device Tree Source for the r8a7791 SoC + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/ { + compatible = "renesas,r8a7791"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a15"; + reg = <0>; + clock-frequency = <1300000000>; + }; + }; + + gic: interrupt-controller@f1001000 { + compatible = "arm,cortex-a15-gic"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0 0xf1001000 0 0x1000>, + <0 0xf1002000 0 0x1000>, + <0 0xf1004000 0 0x2000>, + <0 0xf1006000 0 0x2000>; + interrupts = <1 9 0xf04>; + }; +}; diff --git a/arch/arm/configs/integrator_defconfig b/arch/arm/configs/integrator_defconfig index a8314c3ee84d..5bae19557591 100644 --- a/arch/arm/configs/integrator_defconfig +++ b/arch/arm/configs/integrator_defconfig @@ -1,15 +1,17 @@ -CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y -CONFIG_TINY_RCU=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y +CONFIG_PARTITION_ADVANCED=y CONFIG_ARCH_INTEGRATOR=y CONFIG_ARCH_INTEGRATOR_AP=y CONFIG_ARCH_INTEGRATOR_CP=y +CONFIG_INTEGRATOR_IMPD1=y CONFIG_CPU_ARM720T=y CONFIG_CPU_ARM920T=y CONFIG_CPU_ARM922T=y @@ -18,12 +20,9 @@ CONFIG_CPU_ARM1020=y CONFIG_CPU_ARM1022=y CONFIG_CPU_ARM1026=y CONFIG_PCI=y -CONFIG_NO_HZ=y -CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT=y CONFIG_AEABI=y -CONFIG_LEDS=y -CONFIG_LEDS_CPU=y +# CONFIG_ATAGS is not set CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp" @@ -44,24 +43,20 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_AFS_PARTS=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_ADV_OPTIONS=y CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_PHYSMAP=y +CONFIG_PROC_DEVICETREE=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -CONFIG_NET_PCI=y CONFIG_E100=y CONFIG_SMC91X=y # CONFIG_KEYBOARD_ATKBD is not set # CONFIG_SERIO_SERPORT is not set -CONFIG_SERIAL_AMBA_PL010=y -CONFIG_SERIAL_AMBA_PL010_CONSOLE=y CONFIG_FB=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_ARMCLCD=y @@ -71,19 +66,23 @@ CONFIG_FB_MATROX_MYSTIQUE=y # CONFIG_VGA_CONSOLE is not set CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_CPU=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PL030=y +CONFIG_COMMON_CLK_DEBUG=y CONFIG_EXT2_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y CONFIG_JFFS2_FS=y CONFIG_CRAMFS=y CONFIG_NFS_FS=y -CONFIG_NFS_V3=y CONFIG_ROOT_NFS=y CONFIG_NFSD=y CONFIG_NFSD_V3=y -CONFIG_PARTITION_ADVANCED=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_MAGIC_SYSRQ=y diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig index 1f36b823905f..9943e5da74f1 100644 --- a/arch/arm/configs/keystone_defconfig +++ b/arch/arm/configs/keystone_defconfig @@ -123,7 +123,9 @@ CONFIG_SERIAL_OF_PLATFORM=y CONFIG_I2C=y # CONFIG_I2C_COMPAT is not set CONFIG_I2C_CHARDEV=y +CONFIG_I2C_DAVINCI=y CONFIG_SPI=y +CONFIG_SPI_DAVINCI=y CONFIG_SPI_SPIDEV=y # CONFIG_HWMON is not set CONFIG_WATCHDOG=y diff --git a/arch/arm/kernel/psci_smp.c b/arch/arm/kernel/psci_smp.c index 70ded3fb42d9..570a48cc3d64 100644 --- a/arch/arm/kernel/psci_smp.c +++ b/arch/arm/kernel/psci_smp.c @@ -14,7 +14,6 @@ */ #include <linux/init.h> -#include <linux/irqchip/arm-gic.h> #include <linux/smp.h> #include <linux/of.h> diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index c4bdc0a1c36e..30a44e2df47e 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -74,7 +74,7 @@ static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler) if (handler != NULL) { da830_evm_usb_ocic_handler = handler; - error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED | + error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "OHCI over-current indicator", NULL); if (error) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index ab98c75cabb4..e0de2da41b5c 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -211,7 +211,7 @@ static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler) hawk_usb_ocic_handler = handler; error = request_irq(irq, omapl138_hawk_usb_ocic_irq, - IRQF_DISABLED | IRQF_TRIGGER_RISING | + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "OHCI over-current indicator", NULL); if (error) diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 7a55b5c95971..56c6eb5266ad 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -181,7 +181,7 @@ static struct timer_s timers[] = { .name = "clockevent", .opts = TIMER_OPTS_DISABLED, .irqaction = { - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = timer_interrupt, } }, @@ -190,7 +190,7 @@ static struct timer_s timers[] = { .period = ~0, .opts = TIMER_OPTS_PERIODIC, .irqaction = { - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = freerun_interrupt, } }, @@ -331,7 +331,6 @@ static void davinci_set_mode(enum clock_event_mode mode, static struct clock_event_device clockevent_davinci = { .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .shift = 32, .set_next_event = davinci_set_next_event, .set_mode = davinci_set_mode, }; @@ -397,14 +396,10 @@ void __init davinci_timer_init(void) /* setup clockevent */ clockevent_davinci.name = id_to_name[timers[TID_CLOCKEVENT].id]; - clockevent_davinci.mult = div_sc(davinci_clock_tick_rate, NSEC_PER_SEC, - clockevent_davinci.shift); - clockevent_davinci.max_delta_ns = - clockevent_delta2ns(0xfffffffe, &clockevent_davinci); - clockevent_davinci.min_delta_ns = 50000; /* 50 usec */ clockevent_davinci.cpumask = cpumask_of(0); - clockevents_register_device(&clockevent_davinci); + clockevents_config_and_register(&clockevent_davinci, + davinci_clock_tick_rate, 1, 0xfffffffe); for (i=0; i< ARRAY_SIZE(timers); i++) timer32_config(&timers[i]); diff --git a/arch/arm/mach-highbank/Kconfig b/arch/arm/mach-highbank/Kconfig index 8e8437dea3ce..965623de354f 100644 --- a/arch/arm/mach-highbank/Kconfig +++ b/arch/arm/mach-highbank/Kconfig @@ -10,6 +10,7 @@ config ARCH_HIGHBANK select ARM_ERRATA_775420 select ARM_ERRATA_798181 select ARM_GIC + select ARM_PSCI select ARM_TIMER_SP804 select CACHE_L2X0 select CLKDEV_LOOKUP diff --git a/arch/arm/mach-highbank/Makefile b/arch/arm/mach-highbank/Makefile index 8a1ef576d79f..55840f414d3e 100644 --- a/arch/arm/mach-highbank/Makefile +++ b/arch/arm/mach-highbank/Makefile @@ -3,6 +3,4 @@ obj-y := highbank.o system.o smc.o plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_smc.o :=-Wa,-march=armv7-a$(plus_sec) -obj-$(CONFIG_SMP) += platsmp.o -obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_PM_SLEEP) += pm.o diff --git a/arch/arm/mach-highbank/core.h b/arch/arm/mach-highbank/core.h index aea1ec5ab6f8..7ec5edcd1336 100644 --- a/arch/arm/mach-highbank/core.h +++ b/arch/arm/mach-highbank/core.h @@ -3,7 +3,6 @@ #include <linux/reboot.h> -extern void highbank_set_cpu_jump(int cpu, void *jump_addr); extern void highbank_restart(enum reboot_mode, const char *); extern void __iomem *scu_base_addr; @@ -14,8 +13,5 @@ static inline void highbank_pm_init(void) {} #endif extern void highbank_smc1(int fn, int arg); -extern void highbank_cpu_die(unsigned int cpu); - -extern struct smp_operations highbank_smp_ops; #endif diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 8e63ccdb0de3..0c49beb37cee 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -25,10 +25,9 @@ #include <linux/of_address.h> #include <linux/amba/bus.h> #include <linux/clk-provider.h> +#include <linux/platform_device.h> -#include <asm/cacheflush.h> -#include <asm/cputype.h> -#include <asm/smp_plat.h> +#include <asm/psci.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -49,17 +48,6 @@ static void __init highbank_scu_map_io(void) scu_base_addr = ioremap(base, SZ_4K); } -#define HB_JUMP_TABLE_PHYS(cpu) (0x40 + (0x10 * (cpu))) -#define HB_JUMP_TABLE_VIRT(cpu) phys_to_virt(HB_JUMP_TABLE_PHYS(cpu)) - -void highbank_set_cpu_jump(int cpu, void *jump_addr) -{ - cpu = MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0); - writel(virt_to_phys(jump_addr), HB_JUMP_TABLE_VIRT(cpu)); - __cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16); - outer_clean_range(HB_JUMP_TABLE_PHYS(cpu), - HB_JUMP_TABLE_PHYS(cpu) + 15); -} static void highbank_l2x0_disable(void) { @@ -153,6 +141,10 @@ static struct notifier_block highbank_platform_nb = { .notifier_call = highbank_platform_notifier, }; +static struct platform_device highbank_cpuidle_device = { + .name = "cpuidle-calxeda", +}; + static void __init highbank_init(void) { pm_power_off = highbank_power_off; @@ -162,6 +154,9 @@ static void __init highbank_init(void) bus_register_notifier(&amba_bustype, &highbank_amba_nb); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + + if (psci_ops.cpu_suspend) + platform_device_register(&highbank_cpuidle_device); } static const char *highbank_match[] __initconst = { @@ -174,7 +169,6 @@ DT_MACHINE_START(HIGHBANK, "Highbank") #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) .dma_zone_size = (4ULL * SZ_1G), #endif - .smp = smp_ops(highbank_smp_ops), .init_irq = highbank_init_irq, .init_time = highbank_timer_init, .init_machine = highbank_init, diff --git a/arch/arm/mach-highbank/hotplug.c b/arch/arm/mach-highbank/hotplug.c deleted file mode 100644 index a019e4e86e51..000000000000 --- a/arch/arm/mach-highbank/hotplug.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright 2011 Calxeda, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <linux/kernel.h> -#include <asm/cacheflush.h> - -#include "core.h" -#include "sysregs.h" - -extern void secondary_startup(void); - -/* - * platform-specific code to shutdown a CPU - * - */ -void __ref highbank_cpu_die(unsigned int cpu) -{ - highbank_set_cpu_jump(cpu, phys_to_virt(0)); - - flush_cache_louis(); - highbank_set_core_pwr(); - - while (1) - cpu_do_idle(); -} diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c deleted file mode 100644 index 32d75cf55cbc..000000000000 --- a/arch/arm/mach-highbank/platsmp.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright 2010-2011 Calxeda, Inc. - * Based on platsmp.c, Copyright (C) 2002 ARM Ltd. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/io.h> - -#include <asm/smp_scu.h> - -#include "core.h" - -extern void secondary_startup(void); - -static int highbank_boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - highbank_set_cpu_jump(cpu, secondary_startup); - arch_send_wakeup_ipi_mask(cpumask_of(cpu)); - return 0; -} - -/* - * Initialise the CPU possible map early - this describes the CPUs - * which may be present or become present in the system. - */ -static void __init highbank_smp_init_cpus(void) -{ - unsigned int i, ncores = 4; - - /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "highbank: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); -} - -static void __init highbank_smp_prepare_cpus(unsigned int max_cpus) -{ - if (scu_base_addr) - scu_enable(scu_base_addr); -} - -struct smp_operations highbank_smp_ops __initdata = { - .smp_init_cpus = highbank_smp_init_cpus, - .smp_prepare_cpus = highbank_smp_prepare_cpus, - .smp_boot_secondary = highbank_boot_secondary, -#ifdef CONFIG_HOTPLUG_CPU - .cpu_die = highbank_cpu_die, -#endif -}; diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c index 04eddb4f4380..7f2bd85eb935 100644 --- a/arch/arm/mach-highbank/pm.c +++ b/arch/arm/mach-highbank/pm.c @@ -16,27 +16,19 @@ #include <linux/cpu_pm.h> #include <linux/init.h> -#include <linux/io.h> #include <linux/suspend.h> -#include <asm/cacheflush.h> -#include <asm/proc-fns.h> #include <asm/suspend.h> - -#include "core.h" -#include "sysregs.h" +#include <asm/psci.h> static int highbank_suspend_finish(unsigned long val) { - outer_flush_all(); - outer_disable(); - - highbank_set_pwr_suspend(); - - cpu_do_idle(); + const struct psci_power_state ps = { + .type = PSCI_POWER_STATE_TYPE_POWER_DOWN, + .affinity_level = 1, + }; - highbank_clear_pwr_request(); - return 0; + return psci_ops.cpu_suspend(ps, __pa(cpu_resume)); } static int highbank_pm_enter(suspend_state_t state) @@ -44,15 +36,11 @@ static int highbank_pm_enter(suspend_state_t state) cpu_pm_enter(); cpu_cluster_pm_enter(); - highbank_set_cpu_jump(0, cpu_resume); cpu_suspend(0, highbank_suspend_finish); cpu_cluster_pm_exit(); cpu_pm_exit(); - highbank_smc1(0x102, 0x1); - if (scu_base_addr) - scu_enable(scu_base_addr); return 0; } @@ -63,5 +51,8 @@ static const struct platform_suspend_ops highbank_pm_ops = { void __init highbank_pm_init(void) { + if (!psci_ops.cpu_suspend) + return; + suspend_set_ops(&highbank_pm_ops); } diff --git a/arch/arm/mach-integrator/include/mach/cm.h b/arch/arm/mach-integrator/cm.h index 202e6a57f100..4ecff7bff482 100644 --- a/arch/arm/mach-integrator/include/mach/cm.h +++ b/arch/arm/mach-integrator/cm.h @@ -1,9 +1,12 @@ /* - * update the core module control register. + * access the core module control register. */ +u32 cm_get(void); void cm_control(u32, u32); -#define CM_CTRL __io_address(INTEGRATOR_HDR_CTRL) +struct device_node; +void cm_init(void); +void cm_clear_irqs(void); #define CM_CTRL_LED (1 << 0) #define CM_CTRL_nMBDET (1 << 1) diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index 4cdfd7365925..00ddf20ed91b 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -22,77 +22,30 @@ #include <linux/amba/serial.h> #include <linux/io.h> #include <linux/stat.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <mach/hardware.h> #include <mach/platform.h> -#include <mach/cm.h> -#include <mach/irqs.h> #include <asm/mach-types.h> #include <asm/mach/time.h> #include <asm/pgtable.h> +#include "cm.h" #include "common.h" -#ifdef CONFIG_ATAGS - -#define INTEGRATOR_RTC_IRQ { IRQ_RTCINT } -#define INTEGRATOR_UART0_IRQ { IRQ_UARTINT0 } -#define INTEGRATOR_UART1_IRQ { IRQ_UARTINT1 } -#define KMI0_IRQ { IRQ_KMIINT0 } -#define KMI1_IRQ { IRQ_KMIINT1 } - -static AMBA_APB_DEVICE(rtc, "rtc", 0, - INTEGRATOR_RTC_BASE, INTEGRATOR_RTC_IRQ, NULL); - -static AMBA_APB_DEVICE(uart0, "uart0", 0, - INTEGRATOR_UART0_BASE, INTEGRATOR_UART0_IRQ, NULL); - -static AMBA_APB_DEVICE(uart1, "uart1", 0, - INTEGRATOR_UART1_BASE, INTEGRATOR_UART1_IRQ, NULL); - -static AMBA_APB_DEVICE(kmi0, "kmi0", 0, KMI0_BASE, KMI0_IRQ, NULL); -static AMBA_APB_DEVICE(kmi1, "kmi1", 0, KMI1_BASE, KMI1_IRQ, NULL); - -static struct amba_device *amba_devs[] __initdata = { - &rtc_device, - &uart0_device, - &uart1_device, - &kmi0_device, - &kmi1_device, -}; +static DEFINE_RAW_SPINLOCK(cm_lock); +static void __iomem *cm_base; -int __init integrator_init(bool is_cp) +/** + * cm_get - get the value from the CM_CTRL register + */ +u32 cm_get(void) { - int i; - - /* - * The Integrator/AP lacks necessary AMBA PrimeCell IDs, so we need to - * hard-code them. The Integator/CP and forward have proper cell IDs. - * Else we leave them undefined to the bus driver can autoprobe them. - */ - if (!is_cp && IS_ENABLED(CONFIG_ARCH_INTEGRATOR_AP)) { - rtc_device.periphid = 0x00041030; - uart0_device.periphid = 0x00041010; - uart1_device.periphid = 0x00041010; - kmi0_device.periphid = 0x00041050; - kmi1_device.periphid = 0x00041050; - uart0_device.dev.platform_data = &ap_uart_data; - uart1_device.dev.platform_data = &ap_uart_data; - } - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - - return 0; + return readl(cm_base + INTEGRATOR_HDR_CTRL_OFFSET); } -#endif - -static DEFINE_RAW_SPINLOCK(cm_lock); - /** * cm_control - update the CM_CTRL register. * @mask: bits to change @@ -104,12 +57,80 @@ void cm_control(u32 mask, u32 set) u32 val; raw_spin_lock_irqsave(&cm_lock, flags); - val = readl(CM_CTRL) & ~mask; - writel(val | set, CM_CTRL); + val = readl(cm_base + INTEGRATOR_HDR_CTRL_OFFSET) & ~mask; + writel(val | set, cm_base + INTEGRATOR_HDR_CTRL_OFFSET); raw_spin_unlock_irqrestore(&cm_lock, flags); } -EXPORT_SYMBOL(cm_control); +static const char *integrator_arch_str(u32 id) +{ + switch ((id >> 16) & 0xff) { + case 0x00: + return "ASB little-endian"; + case 0x01: + return "AHB little-endian"; + case 0x03: + return "AHB-Lite system bus, bi-endian"; + case 0x04: + return "AHB"; + case 0x08: + return "AHB system bus, ASB processor bus"; + default: + return "Unknown"; + } +} + +static const char *integrator_fpga_str(u32 id) +{ + switch ((id >> 12) & 0xf) { + case 0x01: + return "XC4062"; + case 0x02: + return "XC4085"; + case 0x03: + return "XVC600"; + case 0x04: + return "EPM7256AE (Altera PLD)"; + default: + return "Unknown"; + } +} + +void cm_clear_irqs(void) +{ + /* disable core module IRQs */ + writel(0xffffffffU, cm_base + INTEGRATOR_HDR_IC_OFFSET + + IRQ_ENABLE_CLEAR); +} + +static const struct of_device_id cm_match[] = { + { .compatible = "arm,core-module-integrator"}, + { }, +}; + +void cm_init(void) +{ + struct device_node *cm = of_find_matching_node(NULL, cm_match); + u32 val; + + if (!cm) { + pr_crit("no core module node found in device tree\n"); + return; + } + cm_base = of_iomap(cm, 0); + if (!cm_base) { + pr_crit("could not remap core module\n"); + return; + } + cm_clear_irqs(); + val = readl(cm_base + INTEGRATOR_HDR_ID_OFFSET); + pr_info("Detected ARM core module:\n"); + pr_info(" Manufacturer: %02x\n", (val >> 24)); + pr_info(" Architecture: %s\n", integrator_arch_str(val)); + pr_info(" FPGA: %s\n", integrator_fpga_str(val)); + pr_info(" Build: %02x\n", (val >> 4) & 0xFF); + pr_info(" Rev: %c\n", ('A' + (val & 0x03))); +} /* * We need to stop things allocating the low memory; ideally we need a @@ -145,27 +166,7 @@ static ssize_t intcp_get_arch(struct device *dev, struct device_attribute *attr, char *buf) { - const char *arch; - - switch ((integrator_id >> 16) & 0xff) { - case 0x00: - arch = "ASB little-endian"; - break; - case 0x01: - arch = "AHB little-endian"; - break; - case 0x03: - arch = "AHB-Lite system bus, bi-endian"; - break; - case 0x04: - arch = "AHB"; - break; - default: - arch = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", arch); + return sprintf(buf, "%s\n", integrator_arch_str(integrator_id)); } static struct device_attribute intcp_arch_attr = @@ -175,24 +176,7 @@ static ssize_t intcp_get_fpga(struct device *dev, struct device_attribute *attr, char *buf) { - const char *fpga; - - switch ((integrator_id >> 12) & 0xf) { - case 0x01: - fpga = "XC4062"; - break; - case 0x02: - fpga = "XC4085"; - break; - case 0x04: - fpga = "EPM7256AE (Altera PLD)"; - break; - default: - fpga = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", fpga); + return sprintf(buf, "%s\n", integrator_fpga_str(integrator_id)); } static struct device_attribute intcp_fpga_attr = diff --git a/arch/arm/mach-integrator/include/mach/irqs.h b/arch/arm/mach-integrator/include/mach/irqs.h deleted file mode 100644 index eff0adad9ae3..000000000000 --- a/arch/arm/mach-integrator/include/mach/irqs.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * arch/arm/mach-integrator/include/mach/irqs.h - * - * Copyright (C) 1999 ARM Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* - * Interrupt numbers, all of the above are just static reservations - * used so they can be encoded into device resources. They will finally - * be done away with when switching to device tree. - */ -#define IRQ_PIC_START 64 -#define IRQ_SOFTINT (IRQ_PIC_START+0) -#define IRQ_UARTINT0 (IRQ_PIC_START+1) -#define IRQ_UARTINT1 (IRQ_PIC_START+2) -#define IRQ_KMIINT0 (IRQ_PIC_START+3) -#define IRQ_KMIINT1 (IRQ_PIC_START+4) -#define IRQ_TIMERINT0 (IRQ_PIC_START+5) -#define IRQ_TIMERINT1 (IRQ_PIC_START+6) -#define IRQ_TIMERINT2 (IRQ_PIC_START+7) -#define IRQ_RTCINT (IRQ_PIC_START+8) -#define IRQ_AP_EXPINT0 (IRQ_PIC_START+9) -#define IRQ_AP_EXPINT1 (IRQ_PIC_START+10) -#define IRQ_AP_EXPINT2 (IRQ_PIC_START+11) -#define IRQ_AP_EXPINT3 (IRQ_PIC_START+12) -#define IRQ_AP_PCIINT0 (IRQ_PIC_START+13) -#define IRQ_AP_PCIINT1 (IRQ_PIC_START+14) -#define IRQ_AP_PCIINT2 (IRQ_PIC_START+15) -#define IRQ_AP_PCIINT3 (IRQ_PIC_START+16) -#define IRQ_AP_V3INT (IRQ_PIC_START+17) -#define IRQ_AP_CPINT0 (IRQ_PIC_START+18) -#define IRQ_AP_CPINT1 (IRQ_PIC_START+19) -#define IRQ_AP_LBUSTIMEOUT (IRQ_PIC_START+20) -#define IRQ_AP_APCINT (IRQ_PIC_START+21) -#define IRQ_CP_CLCDCINT (IRQ_PIC_START+22) -#define IRQ_CP_MMCIINT0 (IRQ_PIC_START+23) -#define IRQ_CP_MMCIINT1 (IRQ_PIC_START+24) -#define IRQ_CP_AACIINT (IRQ_PIC_START+25) -#define IRQ_CP_CPPLDINT (IRQ_PIC_START+26) -#define IRQ_CP_ETHINT (IRQ_PIC_START+27) -#define IRQ_CP_TSPENINT (IRQ_PIC_START+28) -#define IRQ_PIC_END (IRQ_PIC_START+28) - -#define IRQ_CIC_START (IRQ_PIC_END+1) -#define IRQ_CM_SOFTINT (IRQ_CIC_START+0) -#define IRQ_CM_COMMRX (IRQ_CIC_START+1) -#define IRQ_CM_COMMTX (IRQ_CIC_START+2) -#define IRQ_CIC_END (IRQ_CIC_START+2) - -/* - * IntegratorCP only - */ -#define IRQ_SIC_START (IRQ_CIC_END+1) -#define IRQ_SIC_CP_SOFTINT (IRQ_SIC_START+0) -#define IRQ_SIC_CP_RI0 (IRQ_SIC_START+1) -#define IRQ_SIC_CP_RI1 (IRQ_SIC_START+2) -#define IRQ_SIC_CP_CARDIN (IRQ_SIC_START+3) -#define IRQ_SIC_CP_LMINT0 (IRQ_SIC_START+4) -#define IRQ_SIC_CP_LMINT1 (IRQ_SIC_START+5) -#define IRQ_SIC_CP_LMINT2 (IRQ_SIC_START+6) -#define IRQ_SIC_CP_LMINT3 (IRQ_SIC_START+7) -#define IRQ_SIC_CP_LMINT4 (IRQ_SIC_START+8) -#define IRQ_SIC_CP_LMINT5 (IRQ_SIC_START+9) -#define IRQ_SIC_CP_LMINT6 (IRQ_SIC_START+10) -#define IRQ_SIC_CP_LMINT7 (IRQ_SIC_START+11) -#define IRQ_SIC_END (IRQ_SIC_START+11) diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index d9e95e612fcb..d50dc2dbfd89 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -51,13 +51,13 @@ #include <asm/mach-types.h> #include <mach/lm.h> -#include <mach/irqs.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> #include <asm/mach/map.h> #include <asm/mach/time.h> +#include "cm.h" #include "common.h" #include "pci_v3.h" @@ -146,7 +146,7 @@ static int irq_suspend(void) static void irq_resume(void) { /* disable all irq sources */ - writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + cm_clear_irqs(); writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); @@ -402,8 +402,6 @@ void __init ap_init_early(void) { } -#ifdef CONFIG_OF - static void __init ap_of_timer_init(void) { struct device_node *node; @@ -450,8 +448,7 @@ static const struct of_device_id fpga_irq_of_match[] __initconst = { static void __init ap_init_irq_of(void) { - /* disable core module IRQs */ - writel(0xffffffffU, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + cm_init(); of_irq_init(fpga_irq_of_match); integrator_clk_init(false); } @@ -473,6 +470,11 @@ static struct of_dev_auxdata ap_auxdata_lookup[] __initdata = { { /* sentinel */ }, }; +static const struct of_device_id ap_syscon_match[] = { + { .compatible = "arm,integrator-ap-syscon"}, + { }, +}; + static void __init ap_init_of(void) { unsigned long sc_dec; @@ -489,7 +491,8 @@ static void __init ap_init_of(void) root = of_find_node_by_path("/"); if (!root) return; - syscon = of_find_node_by_path("/syscon"); + + syscon = of_find_matching_node(root, ap_syscon_match); if (!syscon) return; @@ -541,7 +544,7 @@ static void __init ap_init_of(void) lmdev->resource.start = 0xc0000000 + 0x10000000 * i; lmdev->resource.end = lmdev->resource.start + 0x0fffffff; lmdev->resource.flags = IORESOURCE_MEM; - lmdev->irq = IRQ_AP_EXPINT0 + i; + lmdev->irq = irq_of_parse_and_map(syscon, i); lmdev->id = i; lm_device_register(lmdev); @@ -564,136 +567,3 @@ DT_MACHINE_START(INTEGRATOR_AP_DT, "ARM Integrator/AP (Device Tree)") .restart = integrator_restart, .dt_compat = ap_dt_board_compat, MACHINE_END - -#endif - -#ifdef CONFIG_ATAGS - -/* - * For the ATAG boot some static mappings are needed. This will - * go away with the ATAG support down the road. - */ - -static struct map_desc ap_io_desc_atag[] __initdata = { - { - .virtual = IO_ADDRESS(INTEGRATOR_SC_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_SC_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, -}; - -static void __init ap_map_io_atag(void) -{ - iotable_init(ap_io_desc_atag, ARRAY_SIZE(ap_io_desc_atag)); - ap_map_io(); -} - -/* - * This is where non-devicetree initialization code is collected and stashed - * for eventual deletion. - */ - -static struct platform_device pci_v3_device = { - .name = "pci-v3", - .id = 0, -}; - -static struct resource cfi_flash_resource = { - .start = INTEGRATOR_FLASH_BASE, - .end = INTEGRATOR_FLASH_BASE + INTEGRATOR_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device cfi_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &ap_flash_data, - }, - .num_resources = 1, - .resource = &cfi_flash_resource, -}; - -static void __init ap_timer_init(void) -{ - struct clk *clk; - unsigned long rate; - - clk = clk_get_sys("ap_timer", NULL); - BUG_ON(IS_ERR(clk)); - clk_prepare_enable(clk); - rate = clk_get_rate(clk); - - writel(0, TIMER0_VA_BASE + TIMER_CTRL); - writel(0, TIMER1_VA_BASE + TIMER_CTRL); - writel(0, TIMER2_VA_BASE + TIMER_CTRL); - - integrator_clocksource_init(rate, (void __iomem *)TIMER2_VA_BASE); - integrator_clockevent_init(rate, (void __iomem *)TIMER1_VA_BASE, - IRQ_TIMERINT1); -} - -#define INTEGRATOR_SC_VALID_INT 0x003fffff - -static void __init ap_init_irq(void) -{ - /* Disable all interrupts initially. */ - /* Do the core module ones */ - writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); - - /* do the header card stuff next */ - writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); - writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(VA_IC_BASE, "SC", IRQ_PIC_START, - -1, INTEGRATOR_SC_VALID_INT, NULL); - integrator_clk_init(false); -} - -static void __init ap_init(void) -{ - unsigned long sc_dec; - int i; - - platform_device_register(&pci_v3_device); - platform_device_register(&cfi_flash_device); - - ap_syscon_base = __io_address(INTEGRATOR_SC_BASE); - sc_dec = readl(ap_syscon_base + INTEGRATOR_SC_DEC_OFFSET); - for (i = 0; i < 4; i++) { - struct lm_device *lmdev; - - if ((sc_dec & (16 << i)) == 0) - continue; - - lmdev = kzalloc(sizeof(struct lm_device), GFP_KERNEL); - if (!lmdev) - continue; - - lmdev->resource.start = 0xc0000000 + 0x10000000 * i; - lmdev->resource.end = lmdev->resource.start + 0x0fffffff; - lmdev->resource.flags = IORESOURCE_MEM; - lmdev->irq = IRQ_AP_EXPINT0 + i; - lmdev->id = i; - - lm_device_register(lmdev); - } - - integrator_init(false); -} - -MACHINE_START(INTEGRATOR, "ARM-Integrator") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .reserve = integrator_reserve, - .map_io = ap_map_io_atag, - .init_early = ap_init_early, - .init_irq = ap_init_irq, - .handle_irq = fpga_handle_irq, - .init_time = ap_timer_init, - .init_machine = ap_init, - .restart = integrator_restart, -MACHINE_END - -#endif diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 8c60fcb08a98..1df6e7602cad 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -36,9 +36,7 @@ #include <asm/hardware/arm_timer.h> #include <asm/hardware/icst.h> -#include <mach/cm.h> #include <mach/lm.h> -#include <mach/irqs.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> @@ -50,6 +48,7 @@ #include <plat/clcd.h> #include <plat/sched_clock.h> +#include "cm.h" #include "common.h" /* Base address to the CP controller */ @@ -249,7 +248,6 @@ static void __init intcp_init_early(void) #endif } -#ifdef CONFIG_OF static const struct of_device_id fpga_irq_of_match[] __initconst = { { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, }, { /* Sentinel */ } @@ -257,6 +255,7 @@ static const struct of_device_id fpga_irq_of_match[] __initconst = { static void __init intcp_init_irq_of(void) { + cm_init(); of_irq_init(fpga_irq_of_match); integrator_clk_init(true); } @@ -287,6 +286,11 @@ static struct of_dev_auxdata intcp_auxdata_lookup[] __initdata = { { /* sentinel */ }, }; +static const struct of_device_id intcp_syscon_match[] = { + { .compatible = "arm,integrator-cp-syscon"}, + { }, +}; + static void __init intcp_init_of(void) { struct device_node *root; @@ -301,7 +305,8 @@ static void __init intcp_init_of(void) root = of_find_node_by_path("/"); if (!root) return; - cpcon = of_find_node_by_path("/cpcon"); + + cpcon = of_find_matching_node(root, intcp_syscon_match); if (!cpcon) return; @@ -354,175 +359,3 @@ DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)") .restart = integrator_restart, .dt_compat = intcp_dt_board_compat, MACHINE_END - -#endif - -#ifdef CONFIG_ATAGS - -/* - * For the ATAG boot some static mappings are needed. This will - * go away with the ATAG support down the road. - */ - -static struct map_desc intcp_io_desc_atag[] __initdata = { - { - .virtual = IO_ADDRESS(INTEGRATOR_CP_CTL_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_CP_CTL_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, -}; - -static void __init intcp_map_io_atag(void) -{ - iotable_init(intcp_io_desc_atag, ARRAY_SIZE(intcp_io_desc_atag)); - intcp_con_base = __io_address(INTEGRATOR_CP_CTL_BASE); - intcp_map_io(); -} - - -/* - * This is where non-devicetree initialization code is collected and stashed - * for eventual deletion. - */ - -#define INTCP_FLASH_SIZE SZ_32M - -static struct resource intcp_flash_resource = { - .start = INTCP_PA_FLASH_BASE, - .end = INTCP_PA_FLASH_BASE + INTCP_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device intcp_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &intcp_flash_data, - }, - .num_resources = 1, - .resource = &intcp_flash_resource, -}; - -#define INTCP_ETH_SIZE 0x10 - -static struct resource smc91x_resources[] = { - [0] = { - .start = INTEGRATOR_CP_ETH_BASE, - .end = INTEGRATOR_CP_ETH_BASE + INTCP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CP_ETHINT, - .end = IRQ_CP_ETHINT, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; - -static struct platform_device *intcp_devs[] __initdata = { - &intcp_flash_device, - &smc91x_device, -}; - -#define INTCP_VA_CIC_BASE __io_address(INTEGRATOR_HDR_BASE + 0x40) -#define INTCP_VA_PIC_BASE __io_address(INTEGRATOR_IC_BASE) -#define INTCP_VA_SIC_BASE __io_address(INTEGRATOR_CP_SIC_BASE) - -static void __init intcp_init_irq(void) -{ - u32 pic_mask, cic_mask, sic_mask; - - /* These masks are for the HW IRQ registers */ - pic_mask = ~((~0u) << (11 - 0)); - pic_mask |= (~((~0u) << (29 - 22))) << 22; - cic_mask = ~((~0u) << (1 + IRQ_CIC_END - IRQ_CIC_START)); - sic_mask = ~((~0u) << (1 + IRQ_SIC_END - IRQ_SIC_START)); - - /* - * Disable all interrupt sources - */ - writel(0xffffffff, INTCP_VA_PIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_PIC_BASE + FIQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + FIQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + IRQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(INTCP_VA_PIC_BASE, "PIC", IRQ_PIC_START, - -1, pic_mask, NULL); - - fpga_irq_init(INTCP_VA_CIC_BASE, "CIC", IRQ_CIC_START, - -1, cic_mask, NULL); - - fpga_irq_init(INTCP_VA_SIC_BASE, "SIC", IRQ_SIC_START, - IRQ_CP_CPPLDINT, sic_mask, NULL); - - integrator_clk_init(true); -} - -#define TIMER0_VA_BASE __io_address(INTEGRATOR_TIMER0_BASE) -#define TIMER1_VA_BASE __io_address(INTEGRATOR_TIMER1_BASE) -#define TIMER2_VA_BASE __io_address(INTEGRATOR_TIMER2_BASE) - -static void __init cp_timer_init(void) -{ - writel(0, TIMER0_VA_BASE + TIMER_CTRL); - writel(0, TIMER1_VA_BASE + TIMER_CTRL); - writel(0, TIMER2_VA_BASE + TIMER_CTRL); - - sp804_clocksource_init(TIMER2_VA_BASE, "timer2"); - sp804_clockevents_init(TIMER1_VA_BASE, IRQ_TIMERINT1, "timer1"); -} - -#define INTEGRATOR_CP_MMC_IRQS { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 } -#define INTEGRATOR_CP_AACI_IRQS { IRQ_CP_AACIINT } - -static AMBA_APB_DEVICE(mmc, "mmci", 0, INTEGRATOR_CP_MMC_BASE, - INTEGRATOR_CP_MMC_IRQS, &mmc_data); - -static AMBA_APB_DEVICE(aaci, "aaci", 0, INTEGRATOR_CP_AACI_BASE, - INTEGRATOR_CP_AACI_IRQS, NULL); - -static AMBA_AHB_DEVICE(clcd, "clcd", 0, INTCP_PA_CLCD_BASE, - { IRQ_CP_CLCDCINT }, &clcd_data); - -static struct amba_device *amba_devs[] __initdata = { - &mmc_device, - &aaci_device, - &clcd_device, -}; - -static void __init intcp_init(void) -{ - int i; - - platform_add_devices(intcp_devs, ARRAY_SIZE(intcp_devs)); - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - integrator_init(true); -} - -MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .reserve = integrator_reserve, - .map_io = intcp_map_io_atag, - .init_early = intcp_init_early, - .init_irq = intcp_init_irq, - .handle_irq = fpga_handle_irq, - .init_time = cp_timer_init, - .init_machine = intcp_init, - .restart = integrator_restart, -MACHINE_END - -#endif diff --git a/arch/arm/mach-integrator/leds.c b/arch/arm/mach-integrator/leds.c index 7a7f6d3273bf..cb6ac58f5e07 100644 --- a/arch/arm/mach-integrator/leds.c +++ b/arch/arm/mach-integrator/leds.c @@ -11,10 +11,11 @@ #include <linux/slab.h> #include <linux/leds.h> -#include <mach/cm.h> #include <mach/hardware.h> #include <mach/platform.h> +#include "cm.h" + #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) #define ALPHA_REG __io_address(INTEGRATOR_DBG_BASE) @@ -78,7 +79,7 @@ static void cm_led_set(struct led_classdev *cdev, static enum led_brightness cm_led_get(struct led_classdev *cdev) { - u32 reg = readl(CM_CTRL); + u32 reg = cm_get(); return (reg & CM_CTRL_LED) ? LED_FULL : LED_OFF; } diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index bef100527c42..c9c5a33bc802 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -36,7 +36,6 @@ #include <mach/hardware.h> #include <mach/platform.h> -#include <mach/irqs.h> #include <asm/mach/map.h> #include <asm/signal.h> @@ -605,7 +604,7 @@ v3_pci_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) return 1; } -static irqreturn_t v3_irq(int dummy, void *devid) +static irqreturn_t v3_irq(int irq, void *devid) { #ifdef CONFIG_DEBUG_LL struct pt_regs *regs = get_irq_regs(); @@ -615,7 +614,7 @@ static irqreturn_t v3_irq(int dummy, void *devid) extern void printascii(const char *); sprintf(buf, "V3 int %d: pc=0x%08lx [%08lx] LBFADDR=%08x LBFCODE=%02x " - "ISTAT=%02x\n", IRQ_AP_V3INT, pc, instr, + "ISTAT=%02x\n", irq, pc, instr, __raw_readl(ap_syscon_base + INTEGRATOR_SC_LBFADDR_OFFSET), __raw_readl(ap_syscon_base + INTEGRATOR_SC_LBFCODE_OFFSET) & 255, v3_readb(V3_LB_ISTAT)); @@ -809,32 +808,6 @@ static u8 __init pci_v3_swizzle(struct pci_dev *dev, u8 *pinp) return pci_common_swizzle(dev, pinp); } -static int irq_tab[4] __initdata = { - IRQ_AP_PCIINT0, IRQ_AP_PCIINT1, IRQ_AP_PCIINT2, IRQ_AP_PCIINT3 -}; - -/* - * map the specified device/slot/pin to an IRQ. This works out such - * that slot 9 pin 1 is INT0, pin 2 is INT1, and slot 10 pin 1 is INT1. - */ -static int __init pci_v3_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int intnr = ((slot - 9) + (pin - 1)) & 3; - - return irq_tab[intnr]; -} - -static struct hw_pci pci_v3 __initdata = { - .swizzle = pci_v3_swizzle, - .setup = pci_v3_setup, - .nr_controllers = 1, - .ops = &pci_v3_ops, - .preinit = pci_v3_preinit, - .postinit = pci_v3_postinit, -}; - -#ifdef CONFIG_OF - static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin) { struct of_irq oirq; @@ -851,14 +824,36 @@ static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin) oirq.size); } -static int __init pci_v3_dtprobe(struct platform_device *pdev, - struct device_node *np) +static struct hw_pci pci_v3 __initdata = { + .swizzle = pci_v3_swizzle, + .setup = pci_v3_setup, + .nr_controllers = 1, + .ops = &pci_v3_ops, + .preinit = pci_v3_preinit, + .postinit = pci_v3_postinit, +}; + +static int __init pci_v3_probe(struct platform_device *pdev) { + struct device_node *np = pdev->dev.of_node; struct of_pci_range_parser parser; struct of_pci_range range; struct resource *res; int irq, ret; + /* Remap the Integrator system controller */ + ap_syscon_base = devm_ioremap(&pdev->dev, INTEGRATOR_SC_BASE, 0x100); + if (!ap_syscon_base) { + dev_err(&pdev->dev, "unable to remap the AP syscon for PCIv3\n"); + return -ENODEV; + } + + /* Device tree probe path */ + if (!np) { + dev_err(&pdev->dev, "no device tree node for PCIv3\n"); + return -ENODEV; + } + if (of_pci_range_parser_init(&parser, np)) return -EINVAL; @@ -925,76 +920,6 @@ static int __init pci_v3_dtprobe(struct platform_device *pdev, return 0; } -#else - -static inline int pci_v3_dtprobe(struct platform_device *pdev, - struct device_node *np) -{ - return -EINVAL; -} - -#endif - -static int __init pci_v3_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - int ret; - - /* Remap the Integrator system controller */ - ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100); - if (!ap_syscon_base) { - dev_err(&pdev->dev, "unable to remap the AP syscon for PCIv3\n"); - return -ENODEV; - } - - /* Device tree probe path */ - if (np) - return pci_v3_dtprobe(pdev, np); - - pci_v3_base = devm_ioremap(&pdev->dev, PHYS_PCI_V3_BASE, SZ_64K); - if (!pci_v3_base) { - dev_err(&pdev->dev, "unable to remap PCIv3 base\n"); - return -ENODEV; - } - - ret = devm_request_irq(&pdev->dev, IRQ_AP_V3INT, v3_irq, 0, "V3", NULL); - if (ret) { - dev_err(&pdev->dev, "unable to grab PCI error interrupt: %d\n", - ret); - return -ENODEV; - } - - conf_mem.name = "PCIv3 config"; - conf_mem.start = PHYS_PCI_CONFIG_BASE; - conf_mem.end = PHYS_PCI_CONFIG_BASE + SZ_16M - 1; - conf_mem.flags = IORESOURCE_MEM; - - io_mem.name = "PCIv3 I/O"; - io_mem.start = PHYS_PCI_IO_BASE; - io_mem.end = PHYS_PCI_IO_BASE + SZ_16M - 1; - io_mem.flags = IORESOURCE_MEM; - - non_mem_pci = 0x00000000; - non_mem_pci_sz = SZ_256M; - non_mem.name = "PCIv3 non-prefetched mem"; - non_mem.start = PHYS_PCI_MEM_BASE; - non_mem.end = PHYS_PCI_MEM_BASE + SZ_256M - 1; - non_mem.flags = IORESOURCE_MEM; - - pre_mem_pci = 0x10000000; - pre_mem_pci_sz = SZ_256M; - pre_mem.name = "PCIv3 prefetched mem"; - pre_mem.start = PHYS_PCI_PRE_BASE + SZ_256M; - pre_mem.end = PHYS_PCI_PRE_BASE + SZ_256M - 1; - pre_mem.flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; - - pci_v3.map_irq = pci_v3_map_irq; - - pci_common_init_dev(&pdev->dev, &pci_v3); - - return 0; -} - static const struct of_device_id pci_ids[] = { { .compatible = "v3,v360epc-pci", }, {}, diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig index 366d1a3b418d..f20c53e75ed9 100644 --- a/arch/arm/mach-keystone/Kconfig +++ b/arch/arm/mach-keystone/Kconfig @@ -9,6 +9,8 @@ config ARCH_KEYSTONE select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_ERRATA_798181 if SMP + select COMMON_CLK_KEYSTONE + select TI_EDMA help Support for boards based on the Texas Instruments Keystone family of SoCs. diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile index ddc52b05dc84..25d92396fbfa 100644 --- a/arch/arm/mach-keystone/Makefile +++ b/arch/arm/mach-keystone/Makefile @@ -4,3 +4,6 @@ plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_smc.o :=-Wa,-march=armv7-a$(plus_sec) obj-$(CONFIG_SMP) += platsmp.o + +# PM domain driver for Keystone SOCs +obj-$(CONFIG_ARCH_KEYSTONE) += pm_domain.o diff --git a/arch/arm/mach-keystone/pm_domain.c b/arch/arm/mach-keystone/pm_domain.c new file mode 100644 index 000000000000..29625232e954 --- /dev/null +++ b/arch/arm/mach-keystone/pm_domain.c @@ -0,0 +1,82 @@ +/* + * PM domain driver for Keystone2 devices + * + * Copyright 2013 Texas Instruments, Inc. + * Santosh Shilimkar <[email protected]> + * + * Based on Kevins work on DAVINCI SOCs + * Kevin Hilman <[email protected]> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/pm_runtime.h> +#include <linux/pm_clock.h> +#include <linux/platform_device.h> +#include <linux/clk-provider.h> +#include <linux/of.h> + +#ifdef CONFIG_PM_RUNTIME +static int keystone_pm_runtime_suspend(struct device *dev) +{ + int ret; + + dev_dbg(dev, "%s\n", __func__); + + ret = pm_generic_runtime_suspend(dev); + if (ret) + return ret; + + ret = pm_clk_suspend(dev); + if (ret) { + pm_generic_runtime_resume(dev); + return ret; + } + + return 0; +} + +static int keystone_pm_runtime_resume(struct device *dev) +{ + dev_dbg(dev, "%s\n", __func__); + + pm_clk_resume(dev); + + return pm_generic_runtime_resume(dev); +} +#endif + +static struct dev_pm_domain keystone_pm_domain = { + .ops = { + SET_RUNTIME_PM_OPS(keystone_pm_runtime_suspend, + keystone_pm_runtime_resume, NULL) + USE_PLATFORM_PM_SLEEP_OPS + }, +}; + +static struct pm_clk_notifier_block platform_domain_notifier = { + .pm_domain = &keystone_pm_domain, +}; + +static struct of_device_id of_keystone_table[] = { + {.compatible = "ti,keystone"}, + { /* end of list */ }, +}; + +int __init keystone_pm_runtime_init(void) +{ + struct device_node *np; + + np = of_find_matching_node(NULL, of_keystone_table); + if (!np) + return 0; + + of_clk_init(NULL); + pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier); + + return 0; +} +subsys_initcall(keystone_pm_runtime_init); diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index d1f8e3d0793b..144b51102939 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -1,5 +1,7 @@ obj-y += common.o pcie.o obj-$(CONFIG_KIRKWOOD_LEGACY) += irq.o mpp.o +obj-$(CONFIG_PM) += pm.o + obj-$(CONFIG_MACH_D2NET_V2) += d2net_v2-setup.o lacie_v2-common.o obj-$(CONFIG_MACH_NET2BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o obj-$(CONFIG_MACH_NET5BIG_V2) += netxbig_v2-setup.o lacie_v2-common.o diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index 82d3ad8e87cf..27c1877e6dda 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -13,6 +13,8 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_net.h> #include <linux/of_platform.h> #include <linux/clk-provider.h> #include <linux/clocksource.h> @@ -44,14 +46,6 @@ static void __init kirkwood_legacy_clk_init(void) clkspec.np = np; clkspec.args_count = 1; - clkspec.args[0] = CGC_BIT_PEX0; - orion_clkdev_add("0", "pcie", - of_clk_get_from_provider(&clkspec)); - - clkspec.args[0] = CGC_BIT_PEX1; - orion_clkdev_add("1", "pcie", - of_clk_get_from_provider(&clkspec)); - /* * The ethernet interfaces forget the MAC address assigned by * u-boot if the clocks are turned off. Until proper DT support @@ -66,17 +60,89 @@ static void __init kirkwood_legacy_clk_init(void) clk_prepare_enable(clk); } -static void __init kirkwood_dt_time_init(void) +#define MV643XX_ETH_MAC_ADDR_LOW 0x0414 +#define MV643XX_ETH_MAC_ADDR_HIGH 0x0418 + +static void __init kirkwood_dt_eth_fixup(void) { - of_clk_init(NULL); - clocksource_of_init(); + struct device_node *np; + + /* + * The ethernet interfaces forget the MAC address assigned by u-boot + * if the clocks are turned off. Usually, u-boot on kirkwood boards + * has no DT support to properly set local-mac-address property. + * As a workaround, we get the MAC address from mv643xx_eth registers + * and update the port device node if no valid MAC address is set. + */ + for_each_compatible_node(np, NULL, "marvell,kirkwood-eth-port") { + struct device_node *pnp = of_get_parent(np); + struct clk *clk; + struct property *pmac; + void __iomem *io; + u8 *macaddr; + u32 reg; + + if (!pnp) + continue; + + /* skip disabled nodes or nodes with valid MAC address*/ + if (!of_device_is_available(pnp) || of_get_mac_address(np)) + goto eth_fixup_skip; + + clk = of_clk_get(pnp, 0); + if (IS_ERR(clk)) + goto eth_fixup_skip; + + io = of_iomap(pnp, 0); + if (!io) + goto eth_fixup_no_map; + + /* ensure port clock is not gated to not hang CPU */ + clk_prepare_enable(clk); + + /* store MAC address register contents in local-mac-address */ + pr_err(FW_INFO "%s: local-mac-address is not set\n", + np->full_name); + + pmac = kzalloc(sizeof(*pmac) + 6, GFP_KERNEL); + if (!pmac) + goto eth_fixup_no_mem; + + pmac->value = pmac + 1; + pmac->length = 6; + pmac->name = kstrdup("local-mac-address", GFP_KERNEL); + if (!pmac->name) { + kfree(pmac); + goto eth_fixup_no_mem; + } + + macaddr = pmac->value; + reg = readl(io + MV643XX_ETH_MAC_ADDR_HIGH); + macaddr[0] = (reg >> 24) & 0xff; + macaddr[1] = (reg >> 16) & 0xff; + macaddr[2] = (reg >> 8) & 0xff; + macaddr[3] = reg & 0xff; + + reg = readl(io + MV643XX_ETH_MAC_ADDR_LOW); + macaddr[4] = (reg >> 8) & 0xff; + macaddr[5] = reg & 0xff; + + of_update_property(np, pmac); + +eth_fixup_no_mem: + iounmap(io); + clk_disable_unprepare(clk); +eth_fixup_no_map: + clk_put(clk); +eth_fixup_skip: + of_node_put(pnp); + } } -static void __init kirkwood_dt_init_early(void) +static void __init kirkwood_dt_time_init(void) { - mvebu_mbus_init("marvell,kirkwood-mbus", - BRIDGE_WINS_BASE, BRIDGE_WINS_SZ, - DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ); + of_clk_init(NULL); + clocksource_of_init(); } static void __init kirkwood_dt_init(void) @@ -97,11 +163,12 @@ static void __init kirkwood_dt_init(void) kirkwood_l2_init(); kirkwood_cpufreq_init(); - + kirkwood_cpuidle_init(); /* Setup clocks for legacy devices */ kirkwood_legacy_clk_init(); - kirkwood_cpuidle_init(); + kirkwood_pm_init(); + kirkwood_dt_eth_fixup(); #ifdef CONFIG_KEXEC kexec_reinit = kirkwood_enable_pcie; @@ -121,7 +188,6 @@ static const char * const kirkwood_dt_board_compat[] = { DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)") /* Maintainer: Jason Cooper <[email protected]> */ .map_io = kirkwood_map_io, - .init_early = kirkwood_dt_init_early, .init_time = kirkwood_dt_time_init, .init_machine = kirkwood_dt_init, .restart = kirkwood_restart, diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 176761134a66..f3407a5db216 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -721,6 +721,7 @@ void __init kirkwood_init(void) kirkwood_xor1_init(); kirkwood_crypto_init(); + kirkwood_pm_init(); kirkwood_cpuidle_init(); #ifdef CONFIG_KEXEC kexec_reinit = kirkwood_enable_pcie; diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 1296de94febf..05fd648df543 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -58,6 +58,12 @@ void kirkwood_cpufreq_init(void); void kirkwood_restart(enum reboot_mode, const char *); void kirkwood_clk_init(void); +#ifdef CONFIG_PM +void kirkwood_pm_init(void); +#else +static inline void kirkwood_pm_init(void) {}; +#endif + /* board init functions for boards not fully converted to fdt */ #ifdef CONFIG_MACH_MV88F6281GTW_GE_DT void mv88f6281gtw_ge_init(void); diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 91242c944d7a..8b9d1c9ff199 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -78,4 +78,6 @@ #define CGC_TDM (1 << 20) #define CGC_RESERVED (0x6 << 21) +#define MEMORY_PM_CTRL (BRIDGE_VIRT_BASE + 0x118) + #endif diff --git a/arch/arm/mach-kirkwood/pm.c b/arch/arm/mach-kirkwood/pm.c new file mode 100644 index 000000000000..8783a7184e73 --- /dev/null +++ b/arch/arm/mach-kirkwood/pm.c @@ -0,0 +1,73 @@ +/* + * Power Management driver for Marvell Kirkwood SoCs + * + * Copyright (C) 2013 Ezequiel Garcia <[email protected]> + * Copyright (C) 2010 Simon Guinot <[email protected]> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, + * version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/suspend.h> +#include <linux/io.h> +#include <mach/bridge-regs.h> + +static void __iomem *ddr_operation_base; + +static void kirkwood_low_power(void) +{ + u32 mem_pm_ctrl; + + mem_pm_ctrl = readl(MEMORY_PM_CTRL); + + /* Set peripherals to low-power mode */ + writel_relaxed(~0, MEMORY_PM_CTRL); + + /* Set DDR in self-refresh */ + writel_relaxed(0x7, ddr_operation_base); + + /* + * Set CPU in wait-for-interrupt state. + * This disables the CPU core clocks, + * the array clocks, and also the L2 controller. + */ + cpu_do_idle(); + + writel_relaxed(mem_pm_ctrl, MEMORY_PM_CTRL); +} + +static int kirkwood_suspend_enter(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_STANDBY: + kirkwood_low_power(); + break; + default: + return -EINVAL; + } + return 0; +} + +static int kirkwood_pm_valid_standby(suspend_state_t state) +{ + return state == PM_SUSPEND_STANDBY; +} + +static const struct platform_suspend_ops kirkwood_suspend_ops = { + .enter = kirkwood_suspend_enter, + .valid = kirkwood_pm_valid_standby, +}; + +int __init kirkwood_pm_init(void) +{ + ddr_operation_base = ioremap(DDR_OPERATION_BASE, 4); + suspend_set_ops(&kirkwood_suspend_ops); + return 0; +} diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 0289adcb6efb..4f8f1cb3f5f7 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -576,8 +576,8 @@ void __init omap5xxx_check_revision(void) case 0xb942: switch (rev) { case 0: - omap_revision = OMAP5430_REV_ES1_0; - break; + /* No support for ES1.0 Test chip */ + BUG(); case 1: default: omap_revision = OMAP5430_REV_ES2_0; @@ -587,8 +587,8 @@ void __init omap5xxx_check_revision(void) case 0xb998: switch (rev) { case 0: - omap_revision = OMAP5432_REV_ES1_0; - break; + /* No support for ES1.0 Test chip */ + BUG(); case 1: default: omap_revision = OMAP5432_REV_ES2_0; diff --git a/arch/arm/mach-omap2/omap-secure.h b/arch/arm/mach-omap2/omap-secure.h index 0e729170c46b..a5ee09d20ac9 100644 --- a/arch/arm/mach-omap2/omap-secure.h +++ b/arch/arm/mach-omap2/omap-secure.h @@ -42,6 +42,8 @@ #define OMAP4_MON_L2X0_AUXCTRL_INDEX 0x109 #define OMAP4_MON_L2X0_PREFETCH_INDEX 0x113 +#define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX 0x109 + /* Secure PPA(Primary Protected Application) APIs */ #define OMAP4_PPA_L2_POR_INDEX 0x23 #define OMAP4_PPA_CPU_ACTRL_SMP_INDEX 0x25 @@ -60,5 +62,7 @@ extern int omap_barrier_reserve_memblock(void); static inline void omap_barrier_reserve_memblock(void) { } #endif + +void set_cntfreq(void); #endif /* __ASSEMBLER__ */ #endif /* OMAP_ARCH_OMAP_SECURE_H */ diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 891211093295..75e95d4fb448 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -66,6 +66,13 @@ static void omap4_secondary_init(unsigned int cpu) 4, 0, 0, 0, 0, 0); /* + * Configure the CNTFRQ register for the secondary cpu's which + * indicates the frequency of the cpu local timers. + */ + if (soc_is_omap54xx() || soc_is_dra7xx()) + set_cntfreq(); + + /* * Synchronise with the boot thread. */ spin_lock(&boot_lock); diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index 4588df1447ed..076bd90a6ce0 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -455,9 +455,7 @@ IS_OMAP_TYPE(3430, 0x3430) #define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8)) #define OMAP54XX_CLASS 0x54000054 -#define OMAP5430_REV_ES1_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8)) #define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8)) -#define OMAP5432_REV_ES1_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8)) #define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8)) void omap2xxx_check_revision(void); diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index fa74a0625da1..d59b51f07cf2 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -55,6 +55,7 @@ #include "soc.h" #include "common.h" #include "powerdomain.h" +#include "omap-secure.h" #define REALTIME_COUNTER_BASE 0x48243200 #define INCREMENTER_NUMERATOR_OFFSET 0x10 @@ -66,6 +67,15 @@ static struct omap_dm_timer clkev; static struct clock_event_device clockevent_gpt; +#ifdef CONFIG_SOC_HAS_REALTIME_COUNTER +static unsigned long arch_timer_freq; + +void set_cntfreq(void) +{ + omap_smc1(OMAP5_DRA7_MON_SET_CNTFRQ_INDEX, arch_timer_freq); +} +#endif + static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = &clockevent_gpt; @@ -515,6 +525,10 @@ static void __init realtime_counter_init(void) num = 8; den = 25; break; + case 20000000: + num = 192; + den = 625; + break; case 2600000: num = 384; den = 1625; @@ -542,6 +556,9 @@ static void __init realtime_counter_init(void) reg |= den; __raw_writel(reg, base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET); + arch_timer_freq = (rate / den) * num; + set_cntfreq(); + iounmap(base); } #else diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 31d0c9101272..645a8fe55f8d 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -12,7 +12,7 @@ obj- := # Core -obj-y += common.o clock.o +obj-y += common.o # Core support diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c deleted file mode 100644 index c1bcc4a6d3a8..000000000000 --- a/arch/arm/mach-s3c64xx/clock.c +++ /dev/null @@ -1,1007 +0,0 @@ -/* linux/arch/arm/plat-s3c64xx/clock.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <[email protected]> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX Base clock support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/map.h> - -#include <mach/regs-clock.h> - -#include <plat/cpu.h> -#include <plat/devs.h> -#include <plat/cpu-freq.h> -#include <plat/clock.h> -#include <plat/clock-clksrc.h> -#include <plat/pll.h> - -#include "regs-sys.h" - -/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call - * ext_xtal_mux for want of an actual name from the manual. -*/ - -static struct clk clk_ext_xtal_mux = { - .name = "ext_xtal", -}; - -#define clk_fin_apll clk_ext_xtal_mux -#define clk_fin_mpll clk_ext_xtal_mux -#define clk_fin_epll clk_ext_xtal_mux - -#define clk_fout_mpll clk_mpll -#define clk_fout_epll clk_epll - -struct clk clk_h2 = { - .name = "hclk2", - .rate = 0, -}; - -struct clk clk_27m = { - .name = "clk_27m", - .rate = 27000000, -}; - -static int clk_48m_ctrl(struct clk *clk, int enable) -{ - unsigned long flags; - u32 val; - - /* can't rely on clock lock, this register has other usages */ - local_irq_save(flags); - - val = __raw_readl(S3C64XX_OTHERS); - if (enable) - val |= S3C64XX_OTHERS_USBMASK; - else - val &= ~S3C64XX_OTHERS_USBMASK; - - __raw_writel(val, S3C64XX_OTHERS); - local_irq_restore(flags); - - return 0; -} - -struct clk clk_48m = { - .name = "clk_48m", - .rate = 48000000, - .enable = clk_48m_ctrl, -}; - -struct clk clk_xusbxti = { - .name = "xusbxti", - .rate = 48000000, -}; - -static int inline s3c64xx_gate(void __iomem *reg, - struct clk *clk, - int enable) -{ - unsigned int ctrlbit = clk->ctrlbit; - u32 con; - - con = __raw_readl(reg); - - if (enable) - con |= ctrlbit; - else - con &= ~ctrlbit; - - __raw_writel(con, reg); - return 0; -} - -static int s3c64xx_pclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_PCLK_GATE, clk, enable); -} - -static int s3c64xx_hclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_HCLK_GATE, clk, enable); -} - -int s3c64xx_sclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_SCLK_GATE, clk, enable); -} - -static struct clk init_clocks_off[] = { - { - .name = "nand", - .parent = &clk_h, - }, { - .name = "rtc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_RTC, - }, { - .name = "adc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_TSADC, - }, { - .name = "i2c", - .devname = "s3c2440-i2c.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIC, - }, { - .name = "i2c", - .devname = "s3c2440-i2c.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C6410_CLKCON_PCLK_I2C1, - }, { - .name = "keypad", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_KEYPAD, - }, { - .name = "spi", - .devname = "s3c6410-spi.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_SPI0, - }, { - .name = "spi", - .devname = "s3c6410-spi.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_SPI1, - }, { - .name = "48m", - .devname = "s3c-sdhci.0", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC0_48, - }, { - .name = "48m", - .devname = "s3c-sdhci.1", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC1_48, - }, { - .name = "48m", - .devname = "s3c-sdhci.2", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC2_48, - }, { - .name = "ac97", - .parent = &clk_p, - .ctrlbit = S3C_CLKCON_PCLK_AC97, - }, { - .name = "cfcon", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_IHOST, - }, { - .name = "dma0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_DMA0, - }, { - .name = "dma1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_DMA1, - }, { - .name = "3dse", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_3DSE, - }, { - .name = "hclk_secur", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SECUR, - }, { - .name = "sdma1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SDMA1, - }, { - .name = "sdma0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SDMA0, - }, { - .name = "hclk_jpeg", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_JPEG, - }, { - .name = "camif", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_CAMIF, - }, { - .name = "hclk_scaler", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SCALER, - }, { - .name = "2d", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_2D, - }, { - .name = "tv", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_TV, - }, { - .name = "post0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_POST0, - }, { - .name = "rot", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_ROT, - }, { - .name = "hclk_mfc", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_MFC, - }, { - .name = "pclk_mfc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_MFC, - }, { - .name = "dac27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_DAC27, - }, { - .name = "tv27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_TV27, - }, { - .name = "scaler27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SCALER27, - }, { - .name = "sclk_scaler", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SCALER, - }, { - .name = "post0_27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_POST0_27, - }, { - .name = "secur", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SECUR, - }, { - .name = "sclk_mfc", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MFC, - }, { - .name = "sclk_jpeg", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_JPEG, - }, -}; - -static struct clk clk_48m_spi0 = { - .name = "spi_48m", - .devname = "s3c6410-spi.0", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SPI0_48, -}; - -static struct clk clk_48m_spi1 = { - .name = "spi_48m", - .devname = "s3c6410-spi.1", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SPI1_48, -}; - -static struct clk clk_i2s0 = { - .name = "iis", - .devname = "samsung-i2s.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIS0, -}; - -static struct clk clk_i2s1 = { - .name = "iis", - .devname = "samsung-i2s.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIS1, -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clk clk_i2s2 = { - .name = "iis", - .devname = "samsung-i2s.2", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C6410_CLKCON_PCLK_IIS2, -}; -#endif - -static struct clk init_clocks[] = { - { - .name = "lcd", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_LCD, - }, { - .name = "gpio", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_GPIO, - }, { - .name = "usb-host", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_UHOST, - }, { - .name = "otg", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_USB, - }, { - .name = "timers", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_PWM, - }, { - .name = "uart", - .devname = "s3c6400-uart.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART0, - }, { - .name = "uart", - .devname = "s3c6400-uart.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART1, - }, { - .name = "uart", - .devname = "s3c6400-uart.2", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART2, - }, { - .name = "uart", - .devname = "s3c6400-uart.3", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART3, - }, { - .name = "watchdog", - .parent = &clk_p, - .ctrlbit = S3C_CLKCON_PCLK_WDT, - }, -}; - -static struct clk clk_hsmmc0 = { - .name = "hsmmc", - .devname = "s3c-sdhci.0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC0, -}; - -static struct clk clk_hsmmc1 = { - .name = "hsmmc", - .devname = "s3c-sdhci.1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC1, -}; - -static struct clk clk_hsmmc2 = { - .name = "hsmmc", - .devname = "s3c-sdhci.2", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, -}; - -static struct clk clk_fout_apll = { - .name = "fout_apll", -}; - -static struct clk *clk_src_apll_list[] = { - [0] = &clk_fin_apll, - [1] = &clk_fout_apll, -}; - -static struct clksrc_sources clk_src_apll = { - .sources = clk_src_apll_list, - .nr_sources = ARRAY_SIZE(clk_src_apll_list), -}; - -static struct clksrc_clk clk_mout_apll = { - .clk = { - .name = "mout_apll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 0, .size = 1 }, - .sources = &clk_src_apll, -}; - -static struct clk *clk_src_epll_list[] = { - [0] = &clk_fin_epll, - [1] = &clk_fout_epll, -}; - -static struct clksrc_sources clk_src_epll = { - .sources = clk_src_epll_list, - .nr_sources = ARRAY_SIZE(clk_src_epll_list), -}; - -static struct clksrc_clk clk_mout_epll = { - .clk = { - .name = "mout_epll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 2, .size = 1 }, - .sources = &clk_src_epll, -}; - -static struct clk *clk_src_mpll_list[] = { - [0] = &clk_fin_mpll, - [1] = &clk_fout_mpll, -}; - -static struct clksrc_sources clk_src_mpll = { - .sources = clk_src_mpll_list, - .nr_sources = ARRAY_SIZE(clk_src_mpll_list), -}; - -static struct clksrc_clk clk_mout_mpll = { - .clk = { - .name = "mout_mpll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 1, .size = 1 }, - .sources = &clk_src_mpll, -}; - -static unsigned int armclk_mask; - -static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - u32 clkdiv; - - /* divisor mask starts at bit0, so no need to shift */ - clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask; - - return rate / (clkdiv + 1); -} - -static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk, - unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - - if (parent < rate) - return parent; - - div = (parent / rate) - 1; - if (div > armclk_mask) - div = armclk_mask; - - return parent / (div + 1); -} - -static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - u32 val; - - if (rate < parent / (armclk_mask + 1)) - return -EINVAL; - - rate = clk_round_rate(clk, rate); - div = clk_get_rate(clk->parent) / rate; - - val = __raw_readl(S3C_CLK_DIV0); - val &= ~armclk_mask; - val |= (div - 1); - __raw_writel(val, S3C_CLK_DIV0); - - return 0; - -} - -static struct clk clk_arm = { - .name = "armclk", - .parent = &clk_mout_apll.clk, - .ops = &(struct clk_ops) { - .get_rate = s3c64xx_clk_arm_get_rate, - .set_rate = s3c64xx_clk_arm_set_rate, - .round_rate = s3c64xx_clk_arm_round_rate, - }, -}; - -static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - - printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - - if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK) - rate /= 2; - - return rate; -} - -static struct clk_ops clk_dout_ops = { - .get_rate = s3c64xx_clk_doutmpll_get_rate, -}; - -static struct clk clk_dout_mpll = { - .name = "dout_mpll", - .parent = &clk_mout_mpll.clk, - .ops = &clk_dout_ops, -}; - -static struct clk *clkset_spi_mmc_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, - &clk_27m, -}; - -static struct clksrc_sources clkset_spi_mmc = { - .sources = clkset_spi_mmc_list, - .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list), -}; - -static struct clk *clkset_irda_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - &clk_27m, -}; - -static struct clksrc_sources clkset_irda = { - .sources = clkset_irda_list, - .nr_sources = ARRAY_SIZE(clkset_irda_list), -}; - -static struct clk *clkset_uart_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - NULL -}; - -static struct clksrc_sources clkset_uart = { - .sources = clkset_uart_list, - .nr_sources = ARRAY_SIZE(clkset_uart_list), -}; - -static struct clk *clkset_uhost_list[] = { - &clk_48m, - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, -}; - -static struct clksrc_sources clkset_uhost = { - .sources = clkset_uhost_list, - .nr_sources = ARRAY_SIZE(clkset_uhost_list), -}; - -/* The peripheral clocks are all controlled via clocksource followed - * by an optional divider and gate stage. We currently roll this into - * one clock which hides the intermediate clock from the mux. - * - * Note, the JPEG clock can only be an even divider... - * - * The scaler and LCD clocks depend on the S3C64XX version, and also - * have a common parent divisor so are not included here. - */ - -/* clocks that feed other parts of the clock source tree */ - -static struct clk clk_iis_cd0 = { - .name = "iis_cdclk0", -}; - -static struct clk clk_iis_cd1 = { - .name = "iis_cdclk1", -}; - -static struct clk clk_iisv4_cd = { - .name = "iis_cdclk_v4", -}; - -static struct clk clk_pcm_cd = { - .name = "pcm_cdclk", -}; - -static struct clk *clkset_audio0_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd0, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio0 = { - .sources = clkset_audio0_list, - .nr_sources = ARRAY_SIZE(clkset_audio0_list), -}; - -static struct clk *clkset_audio1_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd1, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio1 = { - .sources = clkset_audio1_list, - .nr_sources = ARRAY_SIZE(clkset_audio1_list), -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clk *clkset_audio2_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iisv4_cd, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio2 = { - .sources = clkset_audio2_list, - .nr_sources = ARRAY_SIZE(clkset_audio2_list), -}; -#endif - -static struct clksrc_clk clksrcs[] = { - { - .clk = { - .name = "usb-bus-host", - .ctrlbit = S3C_CLKCON_SCLK_UHOST, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 5, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 20, .size = 4 }, - .sources = &clkset_uhost, - }, { - .clk = { - .name = "irda-bus", - .ctrlbit = S3C_CLKCON_SCLK_IRDA, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 24, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 20, .size = 4 }, - .sources = &clkset_irda, - }, { - .clk = { - .name = "camera", - .ctrlbit = S3C_CLKCON_SCLK_CAM, - .enable = s3c64xx_sclk_ctrl, - .parent = &clk_h2, - }, - .reg_div = { .reg = S3C_CLK_DIV0, .shift = 20, .size = 4 }, - }, -}; - -/* Where does UCLK0 come from? */ -static struct clksrc_clk clk_sclk_uclk = { - .clk = { - .name = "uclk1", - .ctrlbit = S3C_CLKCON_SCLK_UART, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 13, .size = 1 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4 }, - .sources = &clkset_uart, -}; - -static struct clksrc_clk clk_sclk_mmc0 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.0", - .ctrlbit = S3C_CLKCON_SCLK_MMC0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 18, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 0, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_mmc1 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.1", - .ctrlbit = S3C_CLKCON_SCLK_MMC1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 20, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 4, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_mmc2 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.2", - .ctrlbit = S3C_CLKCON_SCLK_MMC2, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 22, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 8, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_spi0 = { - .clk = { - .name = "spi-bus", - .devname = "s3c6410-spi.0", - .ctrlbit = S3C_CLKCON_SCLK_SPI0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 14, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 0, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_spi1 = { - .clk = { - .name = "spi-bus", - .devname = "s3c6410-spi.1", - .ctrlbit = S3C_CLKCON_SCLK_SPI1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 16, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 4, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_audio_bus0 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.0", - .ctrlbit = S3C_CLKCON_SCLK_AUDIO0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 7, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 8, .size = 4 }, - .sources = &clkset_audio0, -}; - -static struct clksrc_clk clk_audio_bus1 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.1", - .ctrlbit = S3C_CLKCON_SCLK_AUDIO1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 10, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 12, .size = 4 }, - .sources = &clkset_audio1, -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clksrc_clk clk_audio_bus2 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.2", - .ctrlbit = S3C6410_CLKCON_SCLK_AUDIO2, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C6410_CLK_SRC2, .shift = 0, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 24, .size = 4 }, - .sources = &clkset_audio2, -}; -#endif -/* Clock initialisation code */ - -static struct clksrc_clk *init_parents[] = { - &clk_mout_apll, - &clk_mout_epll, - &clk_mout_mpll, -}; - -static struct clksrc_clk *clksrc_cdev[] = { - &clk_sclk_uclk, - &clk_sclk_mmc0, - &clk_sclk_mmc1, - &clk_sclk_mmc2, - &clk_sclk_spi0, - &clk_sclk_spi1, - &clk_audio_bus0, - &clk_audio_bus1, -}; - -static struct clk *clk_cdev[] = { - &clk_hsmmc0, - &clk_hsmmc1, - &clk_hsmmc2, - &clk_48m_spi0, - &clk_48m_spi1, - &clk_i2s0, - &clk_i2s1, -}; - -static struct clk_lookup s3c64xx_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), - CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c6410-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c6410-spi.0", "spi_busclk2", &clk_48m_spi0), - CLKDEV_INIT("s3c6410-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), - CLKDEV_INIT("s3c6410-spi.1", "spi_busclk2", &clk_48m_spi1), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk1", &clk_audio_bus0.clk), - CLKDEV_INIT("samsung-i2s.1", "i2s_opclk0", &clk_i2s1), - CLKDEV_INIT("samsung-i2s.1", "i2s_opclk1", &clk_audio_bus1.clk), -#ifdef CONFIG_CPU_S3C6410 - CLKDEV_INIT("samsung-i2s.2", "i2s_opclk0", &clk_i2s2), - CLKDEV_INIT("samsung-i2s.2", "i2s_opclk1", &clk_audio_bus2.clk), -#endif -}; - -#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) - -void __init_or_cpufreq s3c64xx_setup_clocks(void) -{ - struct clk *xtal_clk; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long hclk2; - unsigned long pclk; - unsigned long epll; - unsigned long apll; - unsigned long mpll; - unsigned int ptr; - u32 clkdiv0; - - printk(KERN_DEBUG "%s: registering clocks\n", __func__); - - clkdiv0 = __raw_readl(S3C_CLK_DIV0); - printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0); - - xtal_clk = clk_get(NULL, "xtal"); - BUG_ON(IS_ERR(xtal_clk)); - - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); - - /* For now assume the mux always selects the crystal */ - clk_ext_xtal_mux.parent = xtal_clk; - - epll = s3c_get_pll6553x(xtal, __raw_readl(S3C_EPLL_CON0), - __raw_readl(S3C_EPLL_CON1)); - mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); - apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); - - fclk = mpll; - - printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n", - apll, mpll, epll); - - if(__raw_readl(S3C64XX_OTHERS) & S3C64XX_OTHERS_SYNCMUXSEL) - /* Synchronous mode */ - hclk2 = apll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); - else - /* Asynchronous mode */ - hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); - - hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK); - pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK); - - printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n", - hclk2, hclk, pclk); - - clk_fout_mpll.rate = mpll; - clk_fout_epll.rate = epll; - clk_fout_apll.rate = apll; - - clk_h2.rate = hclk2; - clk_h.rate = hclk; - clk_p.rate = pclk; - clk_f.rate = fclk; - - for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) - s3c_set_clksrc(init_parents[ptr], true); - - for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) - s3c_set_clksrc(&clksrcs[ptr], true); -} - -static struct clk *clks1[] __initdata = { - &clk_ext_xtal_mux, - &clk_iis_cd0, - &clk_iis_cd1, - &clk_iisv4_cd, - &clk_pcm_cd, - &clk_mout_epll.clk, - &clk_mout_mpll.clk, - &clk_dout_mpll, - &clk_arm, -}; - -static struct clk *clks[] __initdata = { - &clk_ext, - &clk_epll, - &clk_27m, - &clk_48m, - &clk_h2, - &clk_xusbxti, -}; - -/** - * s3c64xx_register_clocks - register clocks for s3c6400 and s3c6410 - * @xtal: The rate for the clock crystal feeding the PLLs. - * @armclk_divlimit: Divisor mask for ARMCLK. - * - * Register the clocks for the S3C6400 and S3C6410 SoC range, such - * as ARMCLK as well as the necessary parent clocks. - * - * This call does not setup the clocks, which is left to the - * s3c64xx_setup_clocks() call which may be needed by the cpufreq - * or resume code to re-set the clocks if the bootloader has changed - * them. - */ -void __init s3c64xx_register_clocks(unsigned long xtal, - unsigned armclk_divlimit) -{ - unsigned int cnt; - - armclk_mask = armclk_divlimit; - - s3c24xx_register_baseclocks(xtal); - s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); - - s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); - - s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - - s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev)); - for (cnt = 0; cnt < ARRAY_SIZE(clk_cdev); cnt++) - s3c_disable_clocks(clk_cdev[cnt], 1); - - s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1)); - s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); - for (cnt = 0; cnt < ARRAY_SIZE(clksrc_cdev); cnt++) - s3c_register_clksrc(clksrc_cdev[cnt], 1); - clkdev_add_table(s3c64xx_clk_lookup, ARRAY_SIZE(s3c64xx_clk_lookup)); -} diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c index 73d79cf5e141..7d3cb58f1856 100644 --- a/arch/arm/mach-s3c64xx/common.c +++ b/arch/arm/mach-s3c64xx/common.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/clk-provider.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/serial_core.h> @@ -38,7 +39,6 @@ #include <mach/regs-gpio.h> #include <plat/cpu.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/pm.h> #include <plat/gpio-cfg.h> @@ -50,6 +50,19 @@ #include "common.h" +/* External clock frequency */ +static unsigned long xtal_f = 12000000, xusbxti_f = 48000000; + +void __init s3c64xx_set_xtal_freq(unsigned long freq) +{ + xtal_f = freq; +} + +void __init s3c64xx_set_xusbxti_freq(unsigned long freq) +{ + xusbxti_f = freq; +} + /* uart registration process */ static void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no) @@ -67,7 +80,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6400_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6400_map_io, - .init_clocks = s3c6400_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6400_init, .name = name_s3c6400, @@ -75,7 +87,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6410_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6410_map_io, - .init_clocks = s3c6410_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6410_init, .name = name_s3c6410, @@ -213,8 +224,10 @@ void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid) { /* * FIXME: there is no better place to put this at the moment - * (samsung_wdt_reset_init needs clocks) + * (s3c64xx_clk_init needs ioremap and must happen before init_time + * samsung_wdt_reset_init needs clocks) */ + s3c64xx_clk_init(NULL, xtal_f, xusbxti_f, soc_is_s3c6400(), S3C_VA_SYS); samsung_wdt_reset_init(S3C_VA_WATCHDOG); printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h index e8f990b37665..bd3bd562011e 100644 --- a/arch/arm/mach-s3c64xx/common.h +++ b/arch/arm/mach-s3c64xx/common.h @@ -22,21 +22,21 @@ void s3c64xx_init_irq(u32 vic0, u32 vic1); void s3c64xx_init_io(struct map_desc *mach_desc, int size); -void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit); -void s3c64xx_setup_clocks(void); - void s3c64xx_restart(enum reboot_mode mode, const char *cmd); void s3c64xx_init_late(void); +void s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, + unsigned long xusbxti_f, bool is_s3c6400, void __iomem *reg_base); +void s3c64xx_set_xtal_freq(unsigned long freq); +void s3c64xx_set_xusbxti_freq(unsigned long freq); + #ifdef CONFIG_CPU_S3C6400 extern int s3c6400_init(void); extern void s3c6400_init_irq(void); extern void s3c6400_map_io(void); -extern void s3c6400_init_clocks(int xtal); #else -#define s3c6400_init_clocks NULL #define s3c6400_map_io NULL #define s3c6400_init NULL #endif @@ -46,10 +46,8 @@ extern void s3c6400_init_clocks(int xtal); extern int s3c6410_init(void); extern void s3c6410_init_irq(void); extern void s3c6410_map_io(void); -extern void s3c6410_init_clocks(int xtal); #else -#define s3c6410_init_clocks NULL #define s3c6410_map_io NULL #define s3c6410_init NULL #endif diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 759846c28d12..c511dfaae148 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -677,7 +677,7 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, goto err_map; } - clk_enable(dmac->clk); + clk_prepare_enable(dmac->clk); dmac->regs = regs; dmac->chanbase = chbase; @@ -711,7 +711,7 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, return 0; err_clk: - clk_disable(dmac->clk); + clk_disable_unprepare(dmac->clk); clk_put(dmac->clk); err_map: iounmap(regs); diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h index 05332b998ec0..4f44aac77092 100644 --- a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h @@ -15,145 +15,21 @@ #ifndef __PLAT_REGS_CLOCK_H #define __PLAT_REGS_CLOCK_H __FILE__ +/* + * FIXME: Remove remaining definitions + */ + #define S3C_CLKREG(x) (S3C_VA_SYS + (x)) -#define S3C_APLL_LOCK S3C_CLKREG(0x00) -#define S3C_MPLL_LOCK S3C_CLKREG(0x04) -#define S3C_EPLL_LOCK S3C_CLKREG(0x08) -#define S3C_APLL_CON S3C_CLKREG(0x0C) -#define S3C_MPLL_CON S3C_CLKREG(0x10) -#define S3C_EPLL_CON0 S3C_CLKREG(0x14) -#define S3C_EPLL_CON1 S3C_CLKREG(0x18) -#define S3C_CLK_SRC S3C_CLKREG(0x1C) -#define S3C_CLK_DIV0 S3C_CLKREG(0x20) -#define S3C_CLK_DIV1 S3C_CLKREG(0x24) -#define S3C_CLK_DIV2 S3C_CLKREG(0x28) -#define S3C_CLK_OUT S3C_CLKREG(0x2C) -#define S3C_HCLK_GATE S3C_CLKREG(0x30) #define S3C_PCLK_GATE S3C_CLKREG(0x34) -#define S3C_SCLK_GATE S3C_CLKREG(0x38) -#define S3C_MEM0_GATE S3C_CLKREG(0x3C) #define S3C6410_CLK_SRC2 S3C_CLKREG(0x10C) #define S3C_MEM_SYS_CFG S3C_CLKREG(0x120) -/* CLKDIV0 */ -#define S3C6400_CLKDIV0_PCLK_MASK (0xf << 12) -#define S3C6400_CLKDIV0_PCLK_SHIFT (12) -#define S3C6400_CLKDIV0_HCLK2_MASK (0x7 << 9) -#define S3C6400_CLKDIV0_HCLK2_SHIFT (9) -#define S3C6400_CLKDIV0_HCLK_MASK (0x1 << 8) -#define S3C6400_CLKDIV0_HCLK_SHIFT (8) -#define S3C6400_CLKDIV0_MPLL_MASK (0x1 << 4) -#define S3C6400_CLKDIV0_MPLL_SHIFT (4) - -#define S3C6400_CLKDIV0_ARM_MASK (0x7 << 0) -#define S3C6410_CLKDIV0_ARM_MASK (0xf << 0) -#define S3C6400_CLKDIV0_ARM_SHIFT (0) - -/* HCLK GATE Registers */ -#define S3C_CLKCON_HCLK_3DSE (1<<31) -#define S3C_CLKCON_HCLK_UHOST (1<<29) -#define S3C_CLKCON_HCLK_SECUR (1<<28) -#define S3C_CLKCON_HCLK_SDMA1 (1<<27) -#define S3C_CLKCON_HCLK_SDMA0 (1<<26) -#define S3C_CLKCON_HCLK_IROM (1<<25) -#define S3C_CLKCON_HCLK_DDR1 (1<<24) -#define S3C_CLKCON_HCLK_DDR0 (1<<23) -#define S3C_CLKCON_HCLK_MEM1 (1<<22) -#define S3C_CLKCON_HCLK_MEM0 (1<<21) -#define S3C_CLKCON_HCLK_USB (1<<20) -#define S3C_CLKCON_HCLK_HSMMC2 (1<<19) -#define S3C_CLKCON_HCLK_HSMMC1 (1<<18) -#define S3C_CLKCON_HCLK_HSMMC0 (1<<17) -#define S3C_CLKCON_HCLK_MDP (1<<16) -#define S3C_CLKCON_HCLK_DHOST (1<<15) -#define S3C_CLKCON_HCLK_IHOST (1<<14) -#define S3C_CLKCON_HCLK_DMA1 (1<<13) -#define S3C_CLKCON_HCLK_DMA0 (1<<12) -#define S3C_CLKCON_HCLK_JPEG (1<<11) -#define S3C_CLKCON_HCLK_CAMIF (1<<10) -#define S3C_CLKCON_HCLK_SCALER (1<<9) -#define S3C_CLKCON_HCLK_2D (1<<8) -#define S3C_CLKCON_HCLK_TV (1<<7) -#define S3C_CLKCON_HCLK_POST0 (1<<5) -#define S3C_CLKCON_HCLK_ROT (1<<4) -#define S3C_CLKCON_HCLK_LCD (1<<3) -#define S3C_CLKCON_HCLK_TZIC (1<<2) -#define S3C_CLKCON_HCLK_INTC (1<<1) -#define S3C_CLKCON_HCLK_MFC (1<<0) - /* PCLK GATE Registers */ -#define S3C6410_CLKCON_PCLK_I2C1 (1<<27) -#define S3C6410_CLKCON_PCLK_IIS2 (1<<26) -#define S3C_CLKCON_PCLK_SKEY (1<<24) -#define S3C_CLKCON_PCLK_CHIPID (1<<23) -#define S3C_CLKCON_PCLK_SPI1 (1<<22) -#define S3C_CLKCON_PCLK_SPI0 (1<<21) -#define S3C_CLKCON_PCLK_HSIRX (1<<20) -#define S3C_CLKCON_PCLK_HSITX (1<<19) -#define S3C_CLKCON_PCLK_GPIO (1<<18) -#define S3C_CLKCON_PCLK_IIC (1<<17) -#define S3C_CLKCON_PCLK_IIS1 (1<<16) -#define S3C_CLKCON_PCLK_IIS0 (1<<15) -#define S3C_CLKCON_PCLK_AC97 (1<<14) -#define S3C_CLKCON_PCLK_TZPC (1<<13) -#define S3C_CLKCON_PCLK_TSADC (1<<12) -#define S3C_CLKCON_PCLK_KEYPAD (1<<11) -#define S3C_CLKCON_PCLK_IRDA (1<<10) -#define S3C_CLKCON_PCLK_PCM1 (1<<9) -#define S3C_CLKCON_PCLK_PCM0 (1<<8) -#define S3C_CLKCON_PCLK_PWM (1<<7) -#define S3C_CLKCON_PCLK_RTC (1<<6) -#define S3C_CLKCON_PCLK_WDT (1<<5) #define S3C_CLKCON_PCLK_UART3 (1<<4) #define S3C_CLKCON_PCLK_UART2 (1<<3) #define S3C_CLKCON_PCLK_UART1 (1<<2) #define S3C_CLKCON_PCLK_UART0 (1<<1) -#define S3C_CLKCON_PCLK_MFC (1<<0) - -/* SCLK GATE Registers */ -#define S3C_CLKCON_SCLK_UHOST (1<<30) -#define S3C_CLKCON_SCLK_MMC2_48 (1<<29) -#define S3C_CLKCON_SCLK_MMC1_48 (1<<28) -#define S3C_CLKCON_SCLK_MMC0_48 (1<<27) -#define S3C_CLKCON_SCLK_MMC2 (1<<26) -#define S3C_CLKCON_SCLK_MMC1 (1<<25) -#define S3C_CLKCON_SCLK_MMC0 (1<<24) -#define S3C_CLKCON_SCLK_SPI1_48 (1<<23) -#define S3C_CLKCON_SCLK_SPI0_48 (1<<22) -#define S3C_CLKCON_SCLK_SPI1 (1<<21) -#define S3C_CLKCON_SCLK_SPI0 (1<<20) -#define S3C_CLKCON_SCLK_DAC27 (1<<19) -#define S3C_CLKCON_SCLK_TV27 (1<<18) -#define S3C_CLKCON_SCLK_SCALER27 (1<<17) -#define S3C_CLKCON_SCLK_SCALER (1<<16) -#define S3C_CLKCON_SCLK_LCD27 (1<<15) -#define S3C_CLKCON_SCLK_LCD (1<<14) -#define S3C6400_CLKCON_SCLK_POST1_27 (1<<13) -#define S3C6410_CLKCON_FIMC (1<<13) -#define S3C_CLKCON_SCLK_POST0_27 (1<<12) -#define S3C6400_CLKCON_SCLK_POST1 (1<<11) -#define S3C6410_CLKCON_SCLK_AUDIO2 (1<<11) -#define S3C_CLKCON_SCLK_POST0 (1<<10) -#define S3C_CLKCON_SCLK_AUDIO1 (1<<9) -#define S3C_CLKCON_SCLK_AUDIO0 (1<<8) -#define S3C_CLKCON_SCLK_SECUR (1<<7) -#define S3C_CLKCON_SCLK_IRDA (1<<6) -#define S3C_CLKCON_SCLK_UART (1<<5) -#define S3C_CLKCON_SCLK_ONENAND (1<<4) -#define S3C_CLKCON_SCLK_MFC (1<<3) -#define S3C_CLKCON_SCLK_CAM (1<<2) -#define S3C_CLKCON_SCLK_JPEG (1<<1) - -/* CLKSRC */ - -#define S3C6400_CLKSRC_APLL_MOUT (1 << 0) -#define S3C6400_CLKSRC_MPLL_MOUT (1 << 1) -#define S3C6400_CLKSRC_EPLL_MOUT (1 << 2) -#define S3C6400_CLKSRC_APLL_MOUT_SHIFT (0) -#define S3C6400_CLKSRC_MPLL_MOUT_SHIFT (1) -#define S3C6400_CLKSRC_EPLL_MOUT_SHIFT (2) -#define S3C6400_CLKSRC_MFC (1 << 4) /* MEM_SYS_CFG */ #define MEM_SYS_CFG_INDEP_CF 0x4000 diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c index 35e3f54574ef..d266dd5f7060 100644 --- a/arch/arm/mach-s3c64xx/mach-anw6410.c +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c @@ -207,7 +207,7 @@ static struct platform_device *anw6410_devices[] __initdata = { static void __init anw6410_map_io(void) { s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index eb8e5a1aca42..1a911df9e451 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -743,7 +743,7 @@ static struct s3c2410_platform_i2c i2c1_pdata = { static void __init crag6410_map_io(void) { s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(crag6410_uartcfgs, ARRAY_SIZE(crag6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c index f39569e0f2e6..e8064044ef79 100644 --- a/arch/arm/mach-s3c64xx/mach-hmt.c +++ b/arch/arm/mach-s3c64xx/mach-hmt.c @@ -247,7 +247,7 @@ static struct platform_device *hmt_devices[] __initdata = { static void __init hmt_map_io(void) { s3c64xx_init_io(hmt_iodesc, ARRAY_SIZE(hmt_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(hmt_uartcfgs, ARRAY_SIZE(hmt_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index fc043e3ecdf8..58d46a3d7b78 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -231,7 +231,7 @@ static void __init mini6410_map_io(void) u32 tmp; s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c index 7e2c3908f1f8..2067b0bf55b4 100644 --- a/arch/arm/mach-s3c64xx/mach-ncp.c +++ b/arch/arm/mach-s3c64xx/mach-ncp.c @@ -86,7 +86,7 @@ static struct map_desc ncp_iodesc[] __initdata = {}; static void __init ncp_map_io(void) { s3c64xx_init_io(ncp_iodesc, ARRAY_SIZE(ncp_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(ncp_uartcfgs, ARRAY_SIZE(ncp_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c index 86d980b448fd..0f47237be3b2 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq.c +++ b/arch/arm/mach-s3c64xx/mach-smartq.c @@ -337,13 +337,6 @@ err: return ret; } -static int __init smartq_usb_otg_init(void) -{ - clk_xusbxti.rate = 12000000; - - return 0; -} - static int __init smartq_wifi_init(void) { int ret; @@ -377,7 +370,8 @@ static struct map_desc smartq_iodesc[] __initdata = {}; void __init smartq_map_io(void) { s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); + s3c64xx_set_xusbxti_freq(12000000); s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -399,7 +393,6 @@ void __init smartq_machine_init(void) WARN_ON(smartq_lcd_setup_gpio()); WARN_ON(smartq_power_off_init()); WARN_ON(smartq_usb_host_init()); - WARN_ON(smartq_usb_otg_init()); WARN_ON(smartq_wifi_init()); platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices)); diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c index d70c0843aea2..27381cfcabbe 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6400.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c @@ -65,7 +65,7 @@ static struct map_desc smdk6400_iodesc[] = {}; static void __init smdk6400_map_io(void) { s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d90b450c5645..2a7b32ca5c96 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -634,7 +634,7 @@ static void __init smdk6410_map_io(void) u32 tmp; s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 6a1f91fea678..8cdb824a3b43 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -194,29 +194,8 @@ void s3c_pm_debug_smdkled(u32 set, u32 clear) #endif static struct sleep_save core_save[] = { - SAVE_ITEM(S3C_APLL_LOCK), - SAVE_ITEM(S3C_MPLL_LOCK), - SAVE_ITEM(S3C_EPLL_LOCK), - SAVE_ITEM(S3C_CLK_SRC), - SAVE_ITEM(S3C_CLK_DIV0), - SAVE_ITEM(S3C_CLK_DIV1), - SAVE_ITEM(S3C_CLK_DIV2), - SAVE_ITEM(S3C_CLK_OUT), - SAVE_ITEM(S3C_HCLK_GATE), - SAVE_ITEM(S3C_PCLK_GATE), - SAVE_ITEM(S3C_SCLK_GATE), - SAVE_ITEM(S3C_MEM0_GATE), - - SAVE_ITEM(S3C_EPLL_CON1), - SAVE_ITEM(S3C_EPLL_CON0), - SAVE_ITEM(S3C64XX_MEM0DRVCON), SAVE_ITEM(S3C64XX_MEM1DRVCON), - -#ifndef CONFIG_CPU_FREQ - SAVE_ITEM(S3C_APLL_CON), - SAVE_ITEM(S3C_MPLL_CON), -#endif }; static struct sleep_save misc_save[] = { diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c index 4869714c6f1b..331fe8e58145 100644 --- a/arch/arm/mach-s3c64xx/s3c6400.c +++ b/arch/arm/mach-s3c64xx/s3c6400.c @@ -58,12 +58,6 @@ void __init s3c6400_map_io(void) s3c64xx_onenand1_setname("s3c6400-onenand"); } -void __init s3c6400_init_clocks(int xtal) -{ - s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6400_init_irq(void) { /* VIC0 does not have IRQS 5..7, diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c index 31c29fdf1800..7e6fa125584a 100644 --- a/arch/arm/mach-s3c64xx/s3c6410.c +++ b/arch/arm/mach-s3c64xx/s3c6410.c @@ -62,13 +62,6 @@ void __init s3c6410_map_io(void) s3c_cfcon_setname("s3c64xx-pata"); } -void __init s3c6410_init_clocks(int xtal) -{ - printk(KERN_DEBUG "%s: initialising clocks\n", __func__); - s3c64xx_register_clocks(xtal, S3C6410_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6410_init_irq(void) { /* VIC0 is missing IRQ7, VIC1 is fully populated. */ diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 1f94c310c477..5dd5f9f7897a 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -101,12 +101,24 @@ config ARCH_R8A7790 select SH_CLK_CPG select RENESAS_IRQC +config ARCH_R8A7791 + bool "R-Car M2 (R8A77910)" + select ARM_GIC + select CPU_V7 + select SH_CLK_CPG + config ARCH_EMEV2 bool "Emma Mobile EV2" select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC select CPU_V7 +config ARCH_R7S72100 + bool "RZ/A1H (R7S72100)" + select ARM_GIC + select CPU_V7 + select SH_CLK_CPG + comment "SH-Mobile Board Type" config MACH_APE6EVM diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 2705bfa8c113..f2d40edadcc9 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -15,7 +15,10 @@ obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o +obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o setup-rcar-gen2.o +obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o setup-rcar-gen2.o obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o +obj-$(CONFIG_ARCH_R7S72100) += setup-r7s72100.o # Clock objects ifndef CONFIG_COMMON_CLK @@ -27,13 +30,17 @@ obj-$(CONFIG_ARCH_R8A7740) += clock-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += clock-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += clock-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += clock-r8a7790.o +obj-$(CONFIG_ARCH_R8A7791) += clock-r8a7791.o obj-$(CONFIG_ARCH_EMEV2) += clock-emev2.o +obj-$(CONFIG_ARCH_R7S72100) += clock-r7s72100.o endif # SMP objects smp-y := platsmp.o headsmp.o smp-$(CONFIG_ARCH_SH73A0) += smp-sh73a0.o headsmp-scu.o platsmp-scu.o smp-$(CONFIG_ARCH_R8A7779) += smp-r8a7779.o headsmp-scu.o platsmp-scu.o +smp-$(CONFIG_ARCH_R8A7790) += smp-r8a7790.o platsmp-apmu.o +smp-$(CONFIG_ARCH_R8A7791) += smp-r8a7791.o platsmp-apmu.o smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o headsmp-scu.o platsmp-scu.o # IRQ objects diff --git a/arch/arm/mach-shmobile/board-ape6evm-reference.c b/arch/arm/mach-shmobile/board-ape6evm-reference.c index a23fa714f7ac..3276afcf3cc9 100644 --- a/arch/arm/mach-shmobile/board-ape6evm-reference.c +++ b/arch/arm/mach-shmobile/board-ape6evm-reference.c @@ -57,7 +57,7 @@ static const char *ape6evm_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(APE6EVM_DT, "ape6evm") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .init_machine = ape6evm_add_standard_devices, .dt_compat = ape6evm_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c index 24b87eea9da3..d36e23f5d8b7 100644 --- a/arch/arm/mach-shmobile/board-ape6evm.c +++ b/arch/arm/mach-shmobile/board-ape6evm.c @@ -240,7 +240,7 @@ static const char *ape6evm_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(APE6EVM_DT, "ape6evm") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .init_machine = ape6evm_add_standard_devices, .dt_compat = ape6evm_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c index 9c316a1b2e32..1a1a4a888632 100644 --- a/arch/arm/mach-shmobile/board-lager-reference.c +++ b/arch/arm/mach-shmobile/board-lager-reference.c @@ -38,8 +38,9 @@ static const char *lager_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(LAGER_DT, "lager") - .init_early = r8a7790_init_delay, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .init_machine = lager_add_standard_devices, - .init_time = r8a7790_timer_init, .dt_compat = lager_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index 5930af8d434f..4e040e4d1102 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -186,8 +186,9 @@ static const char *lager_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(LAGER_DT, "lager") - .init_early = r8a7790_init_delay, - .init_time = r8a7790_timer_init, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .init_machine = lager_init, .dt_compat = lager_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/clock-r7s72100.c b/arch/arm/mach-shmobile/clock-r7s72100.c new file mode 100644 index 000000000000..4aba20ca127e --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r7s72100.c @@ -0,0 +1,202 @@ +/* + * r7a72100 clock framework support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2012 Phil Edworthy + * Copyright (C) 2011 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> +#include <mach/r7s72100.h> + +/* registers */ +#define FRQCR 0xfcfe0010 +#define FRQCR2 0xfcfe0014 +#define STBCR3 0xfcfe0420 +#define STBCR4 0xfcfe0424 + +#define PLL_RATE 30 + +static struct clk_mapping cpg_mapping = { + .phys = 0xfcfe0000, + .len = 0x1000, +}; + +/* Fixed 32 KHz root clock for RTC */ +static struct clk r_clk = { + .rate = 32768, +}; + +/* + * Default rate for the root input clock, reset this with clk_set_rate() + * from the platform code. + */ +static struct clk extal_clk = { + .rate = 13330000, + .mapping = &cpg_mapping, +}; + +static unsigned long pll_recalc(struct clk *clk) +{ + return clk->parent->rate * PLL_RATE; +} + +static struct sh_clk_ops pll_clk_ops = { + .recalc = pll_recalc, +}; + +static struct clk pll_clk = { + .ops = &pll_clk_ops, + .parent = &extal_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long bus_recalc(struct clk *clk) +{ + return clk->parent->rate * 2 / 3; +} + +static struct sh_clk_ops bus_clk_ops = { + .recalc = bus_recalc, +}; + +static struct clk bus_clk = { + .ops = &bus_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long peripheral0_recalc(struct clk *clk) +{ + return clk->parent->rate / 12; +} + +static struct sh_clk_ops peripheral0_clk_ops = { + .recalc = peripheral0_recalc, +}; + +static struct clk peripheral0_clk = { + .ops = &peripheral0_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long peripheral1_recalc(struct clk *clk) +{ + return clk->parent->rate / 6; +} + +static struct sh_clk_ops peripheral1_clk_ops = { + .recalc = peripheral1_recalc, +}; + +static struct clk peripheral1_clk = { + .ops = &peripheral1_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +struct clk *main_clks[] = { + &r_clk, + &extal_clk, + &pll_clk, + &bus_clk, + &peripheral0_clk, + &peripheral1_clk, +}; + +static int div2[] = { 1, 3, 0, 3 }; /* 1, 2/3, reserve, 1/3 */ +static int multipliers[] = { 1, 2, 1, 1 }; + +static struct clk_div_mult_table div4_div_mult_table = { + .divisors = div2, + .nr_divisors = ARRAY_SIZE(div2), + .multipliers = multipliers, + .nr_multipliers = ARRAY_SIZE(multipliers), +}; + +static struct clk_div4_table div4_table = { + .div_mult_table = &div4_div_mult_table, +}; + +enum { DIV4_I, + DIV4_NR }; + +#define DIV4(_reg, _bit, _mask, _flags) \ + SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags) + +/* The mask field specifies the div2 entries that are valid */ +struct clk div4_clks[DIV4_NR] = { + [DIV4_I] = DIV4(FRQCR, 8, 0xB, CLK_ENABLE_REG_16BIT + | CLK_ENABLE_ON_INIT), +}; + +enum { MSTP47, MSTP46, MSTP45, MSTP44, MSTP43, MSTP42, MSTP41, MSTP40, + MSTP33, MSTP_NR }; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP47] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 7, 0), /* SCIF0 */ + [MSTP46] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 6, 0), /* SCIF1 */ + [MSTP45] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 5, 0), /* SCIF2 */ + [MSTP44] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 4, 0), /* SCIF3 */ + [MSTP43] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 3, 0), /* SCIF4 */ + [MSTP42] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 2, 0), /* SCIF5 */ + [MSTP41] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 1, 0), /* SCIF6 */ + [MSTP40] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 0, 0), /* SCIF7 */ + [MSTP33] = SH_CLK_MSTP8(&peripheral0_clk, STBCR3, 3, 0), /* MTU2 */ +}; + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("rclk", &r_clk), + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("pll_clk", &pll_clk), + CLKDEV_CON_ID("peripheral_clk", &peripheral1_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]), + + /* MSTP clocks */ + CLKDEV_ICK_ID("sci_fck", "sh-sci.0", &mstp_clks[MSTP47]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.1", &mstp_clks[MSTP46]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.2", &mstp_clks[MSTP45]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.3", &mstp_clks[MSTP44]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.4", &mstp_clks[MSTP43]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.5", &mstp_clks[MSTP42]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.6", &mstp_clks[MSTP41]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.7", &mstp_clks[MSTP40]), +}; + +void __init r7s72100_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + if (!ret) + shmobile_clk_init(); + else + panic("failed to setup rza1 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c index 5bd2e851e3c7..571409b611d3 100644 --- a/arch/arm/mach-shmobile/clock-r8a73a4.c +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c @@ -504,7 +504,7 @@ static struct clk div6_clks[DIV6_NR] = { /* MSTP */ enum { - MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, + MSTP218, MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP329, MSTP323, MSTP318, MSTP317, MSTP316, MSTP315, MSTP314, MSTP313, MSTP312, MSTP305, MSTP300, MSTP411, MSTP410, MSTP409, @@ -519,6 +519,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 7, 0), /* SCIFB1 */ [MSTP216] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 16, 0), /* SCIFB2 */ [MSTP217] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 17, 0), /* SCIFB3 */ + [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC */ [MSTP300] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 0, 0), /* IIC2 */ [MSTP305] = SH_CLK_MSTP32(&div6_clks[DIV6_MMC1],SMSTPCR3, 5, 0), /* MMCIF1 */ [MSTP312] = SH_CLK_MSTP32(&div6_clks[DIV6_SDHI2],SMSTPCR3, 12, 0), /* SDHI2 */ @@ -578,6 +579,8 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]), + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), + CLKDEV_DEV_ID("e6700020.dma-controller", &mstp_clks[MSTP218]), CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("e6520000.i2c", &mstp_clks[MSTP300]), CLKDEV_DEV_ID("sh_mmcif.1", &mstp_clks[MSTP305]), diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c index c4bf2d8fb111..fb6af83858e3 100644 --- a/arch/arm/mach-shmobile/clock-r8a7778.c +++ b/arch/arm/mach-shmobile/clock-r8a7778.c @@ -69,6 +69,15 @@ static struct clk extal_clk = { .mapping = &cpg_mapping, }; +static struct clk audio_clk_a = { +}; + +static struct clk audio_clk_b = { +}; + +static struct clk audio_clk_c = { +}; + /* * clock ratio of these clock will be updated * on r8a7778_clock_init() @@ -100,18 +109,23 @@ static struct clk *main_clks[] = { &p_clk, &g_clk, &z_clk, + &audio_clk_a, + &audio_clk_b, + &audio_clk_c, }; enum { MSTP331, MSTP323, MSTP322, MSTP321, + MSTP311, MSTP310, + MSTP309, MSTP308, MSTP307, MSTP114, MSTP110, MSTP109, MSTP100, MSTP030, MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, - MSTP016, MSTP015, - MSTP007, + MSTP016, MSTP015, MSTP012, MSTP011, MSTP010, + MSTP009, MSTP008, MSTP007, MSTP_NR }; static struct clk mstp_clks[MSTP_NR] = { @@ -119,6 +133,11 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP323] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 23, 0), /* SDHI0 */ [MSTP322] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 22, 0), /* SDHI1 */ [MSTP321] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 21, 0), /* SDHI2 */ + [MSTP311] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 11, 0), /* SSI4 */ + [MSTP310] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 10, 0), /* SSI5 */ + [MSTP309] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 9, 0), /* SSI6 */ + [MSTP308] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 8, 0), /* SSI7 */ + [MSTP307] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 7, 0), /* SSI8 */ [MSTP114] = SH_CLK_MSTP32(&p_clk, MSTPCR1, 14, 0), /* Ether */ [MSTP110] = SH_CLK_MSTP32(&s_clk, MSTPCR1, 10, 0), /* VIN0 */ [MSTP109] = SH_CLK_MSTP32(&s_clk, MSTPCR1, 9, 0), /* VIN1 */ @@ -135,11 +154,20 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP021] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 21, 0), /* SCIF5 */ [MSTP016] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 16, 0), /* TMU0 */ [MSTP015] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 15, 0), /* TMU1 */ + [MSTP012] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 12, 0), /* SSI0 */ + [MSTP011] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 11, 0), /* SSI1 */ + [MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */ + [MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 9, 0), /* SSI3 */ + [MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 8, 0), /* SRU */ [MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 7, 0), /* HSPI */ }; static struct clk_lookup lookups[] = { /* main */ + CLKDEV_CON_ID("audio_clk_a", &audio_clk_a), + CLKDEV_CON_ID("audio_clk_b", &audio_clk_b), + CLKDEV_CON_ID("audio_clk_c", &audio_clk_c), + CLKDEV_CON_ID("audio_clk_internal", &s1_clk), CLKDEV_CON_ID("shyway_clk", &s_clk), CLKDEV_CON_ID("peripheral_clk", &p_clk), @@ -153,6 +181,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("r8a7778-vin.1", &mstp_clks[MSTP109]), /* VIN1 */ CLKDEV_DEV_ID("ehci-platform", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */ CLKDEV_DEV_ID("ohci-platform", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */ + CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP100]), /* USB FUNC */ CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */ CLKDEV_DEV_ID("i2c-rcar.1", &mstp_clks[MSTP029]), /* I2C1 */ CLKDEV_DEV_ID("i2c-rcar.2", &mstp_clks[MSTP028]), /* I2C2 */ @@ -168,6 +197,17 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-hspi.0", &mstp_clks[MSTP007]), /* HSPI0 */ CLKDEV_DEV_ID("sh-hspi.1", &mstp_clks[MSTP007]), /* HSPI1 */ CLKDEV_DEV_ID("sh-hspi.2", &mstp_clks[MSTP007]), /* HSPI2 */ + CLKDEV_DEV_ID("rcar_sound", &mstp_clks[MSTP008]), /* SRU */ + + CLKDEV_ICK_ID("ssi.0", "rcar_sound", &mstp_clks[MSTP012]), + CLKDEV_ICK_ID("ssi.1", "rcar_sound", &mstp_clks[MSTP011]), + CLKDEV_ICK_ID("ssi.2", "rcar_sound", &mstp_clks[MSTP010]), + CLKDEV_ICK_ID("ssi.3", "rcar_sound", &mstp_clks[MSTP009]), + CLKDEV_ICK_ID("ssi.4", "rcar_sound", &mstp_clks[MSTP311]), + CLKDEV_ICK_ID("ssi.5", "rcar_sound", &mstp_clks[MSTP310]), + CLKDEV_ICK_ID("ssi.6", "rcar_sound", &mstp_clks[MSTP309]), + CLKDEV_ICK_ID("ssi.7", "rcar_sound", &mstp_clks[MSTP308]), + CLKDEV_ICK_ID("ssi.8", "rcar_sound", &mstp_clks[MSTP307]), }; void __init r8a7778_clock_init(void) diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index bd6ad922eb7e..1f7080fab0a5 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -200,7 +200,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */ CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP320]), /* SDHI3 */ - CLKDEV_DEV_ID("rcar-du.0", &mstp_clks[MSTP103]), /* DU */ + CLKDEV_DEV_ID("rcar-du-r8a7779", &mstp_clks[MSTP103]), /* DU */ }; void __init r8a7779_clock_init(void) diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c index fc36d3db0b4d..a64f965c7da1 100644 --- a/arch/arm/mach-shmobile/clock-r8a7790.c +++ b/arch/arm/mach-shmobile/clock-r8a7790.c @@ -52,6 +52,7 @@ #define SMSTPCR5 0xe6150144 #define SMSTPCR7 0xe615014c #define SMSTPCR8 0xe6150990 +#define SMSTPCR9 0xe6150994 #define SDCKCR 0xE6150074 #define SD2CKCR 0xE6150078 @@ -181,8 +182,9 @@ static struct clk div6_clks[DIV6_NR] = { /* MSTP */ enum { + MSTP931, MSTP930, MSTP929, MSTP928, MSTP813, - MSTP721, MSTP720, + MSTP726, MSTP725, MSTP724, MSTP723, MSTP722, MSTP721, MSTP720, MSTP717, MSTP716, MSTP522, MSTP315, MSTP314, MSTP313, MSTP312, MSTP311, MSTP305, MSTP304, @@ -192,7 +194,16 @@ enum { }; static struct clk mstp_clks[MSTP_NR] = { + [MSTP931] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 31, 0), /* I2C0 */ + [MSTP930] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 30, 0), /* I2C1 */ + [MSTP929] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 29, 0), /* I2C2 */ + [MSTP928] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 28, 0), /* I2C3 */ [MSTP813] = SH_CLK_MSTP32(&p_clk, SMSTPCR8, 13, 0), /* Ether */ + [MSTP726] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 26, 0), /* LVDS0 */ + [MSTP725] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 25, 0), /* LVDS1 */ + [MSTP724] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 24, 0), /* DU0 */ + [MSTP723] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 23, 0), /* DU1 */ + [MSTP722] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 22, 0), /* DU2 */ [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ [MSTP717] = SH_CLK_MSTP32(&zs_clk, SMSTPCR7, 17, 0), /* HSCIF0 */ @@ -251,6 +262,11 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("ssprs", &div6_clks[DIV6_SSPRS]), /* MSTP */ + CLKDEV_ICK_ID("lvds.0", "rcar-du-r8a7790", &mstp_clks[MSTP726]), + CLKDEV_ICK_ID("lvds.1", "rcar-du-r8a7790", &mstp_clks[MSTP725]), + CLKDEV_ICK_ID("du.0", "rcar-du-r8a7790", &mstp_clks[MSTP724]), + CLKDEV_ICK_ID("du.1", "rcar-du-r8a7790", &mstp_clks[MSTP723]), + CLKDEV_ICK_ID("du.2", "rcar-du-r8a7790", &mstp_clks[MSTP722]), CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), @@ -261,6 +277,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP717]), CLKDEV_DEV_ID("sh-sci.9", &mstp_clks[MSTP716]), + CLKDEV_DEV_ID("e6508000.i2c", &mstp_clks[MSTP931]), + CLKDEV_DEV_ID("e6518000.i2c", &mstp_clks[MSTP930]), + CLKDEV_DEV_ID("e6530000.i2c", &mstp_clks[MSTP929]), + CLKDEV_DEV_ID("e6540000.i2c", &mstp_clks[MSTP928]), CLKDEV_DEV_ID("r8a7790-ether", &mstp_clks[MSTP813]), CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("ee200000.mmcif", &mstp_clks[MSTP315]), @@ -290,7 +310,7 @@ static struct clk_lookup lookups[] = { void __init r8a7790_clock_init(void) { - u32 mode = r8a7790_read_mode_pins(); + u32 mode = rcar_gen2_read_mode_pins(); int k, ret = 0; switch (mode & (MD(14) | MD(13))) { diff --git a/arch/arm/mach-shmobile/clock-r8a7791.c b/arch/arm/mach-shmobile/clock-r8a7791.c new file mode 100644 index 000000000000..c9a26f16ce5b --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a7791.c @@ -0,0 +1,237 @@ +/* + * r8a7791 clock framework support + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/clock.h> +#include <mach/common.h> + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x 1 x172/2 x208/2 x106 + * 0 0 1 15 x 1 x172/2 x208/2 x88 + * 0 1 0 20 x 1 x130/2 x156/2 x80 + * 0 1 1 20 x 1 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.6 indicates VCO ouput (PLLx = VCO/2) + * see "p1 / 2" on R8A7791_CLOCK_ROOT() below + */ + +#define MD(nr) (1 << nr) + +#define CPG_BASE 0xe6150000 +#define CPG_LEN 0x1000 + +#define SMSTPCR0 0xE6150130 +#define SMSTPCR1 0xE6150134 +#define SMSTPCR2 0xe6150138 +#define SMSTPCR3 0xE615013C +#define SMSTPCR5 0xE6150144 +#define SMSTPCR7 0xe615014c +#define SMSTPCR8 0xE6150990 +#define SMSTPCR9 0xE6150994 +#define SMSTPCR10 0xE6150998 +#define SMSTPCR11 0xE615099C + +#define MODEMR 0xE6160060 +#define SDCKCR 0xE6150074 +#define SD2CKCR 0xE6150078 +#define SD3CKCR 0xE615007C +#define MMC0CKCR 0xE6150240 +#define MMC1CKCR 0xE6150244 +#define SSPCKCR 0xE6150248 +#define SSPRSCKCR 0xE615024C + +static struct clk_mapping cpg_mapping = { + .phys = CPG_BASE, + .len = CPG_LEN, +}; + +static struct clk extal_clk = { + /* .rate will be updated on r8a7791_clock_init() */ + .mapping = &cpg_mapping, +}; + +static struct sh_clk_ops followparent_clk_ops = { + .recalc = followparent_recalc, +}; + +static struct clk main_clk = { + /* .parent will be set r8a73a4_clock_init */ + .ops = &followparent_clk_ops, +}; + +/* + * clock ratio of these clock will be updated + * on r8a7791_clock_init() + */ +SH_FIXED_RATIO_CLK_SET(pll1_clk, main_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(pll3_clk, main_clk, 1, 1); + +/* fixed ratio clock */ +SH_FIXED_RATIO_CLK_SET(extal_div2_clk, extal_clk, 1, 2); +SH_FIXED_RATIO_CLK_SET(cp_clk, extal_clk, 1, 2); + +SH_FIXED_RATIO_CLK_SET(pll1_div2_clk, pll1_clk, 1, 2); +SH_FIXED_RATIO_CLK_SET(hp_clk, pll1_clk, 1, 12); +SH_FIXED_RATIO_CLK_SET(p_clk, pll1_clk, 1, 24); +SH_FIXED_RATIO_CLK_SET(rclk_clk, pll1_clk, 1, (48 * 1024)); +SH_FIXED_RATIO_CLK_SET(mp_clk, pll1_div2_clk, 1, 15); + +static struct clk *main_clks[] = { + &extal_clk, + &extal_div2_clk, + &main_clk, + &pll1_clk, + &pll1_div2_clk, + &pll3_clk, + &hp_clk, + &p_clk, + &rclk_clk, + &mp_clk, + &cp_clk, +}; + +/* MSTP */ +enum { + MSTP721, MSTP720, + MSTP719, MSTP718, MSTP715, MSTP714, + MSTP216, MSTP207, MSTP206, + MSTP204, MSTP203, MSTP202, MSTP1105, MSTP1106, MSTP1107, + MSTP124, + MSTP_NR +}; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ + [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ + [MSTP719] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 19, 0), /* SCIF2 */ + [MSTP718] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 18, 0), /* SCIF3 */ + [MSTP715] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 15, 0), /* SCIF4 */ + [MSTP714] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 14, 0), /* SCIF5 */ + [MSTP216] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 16, 0), /* SCIFB2 */ + [MSTP207] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 7, 0), /* SCIFB1 */ + [MSTP206] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 6, 0), /* SCIFB0 */ + [MSTP204] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP202] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 2, 0), /* SCIFA2 */ + [MSTP1105] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 5, 0), /* SCIFA3 */ + [MSTP1106] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 6, 0), /* SCIFA4 */ + [MSTP1107] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 7, 0), /* SCIFA5 */ + [MSTP124] = SH_CLK_MSTP32(&rclk_clk, SMSTPCR1, 24, 0), /* CMT0 */ +}; + +static struct clk_lookup lookups[] = { + + /* main clocks */ + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("extal_div2", &extal_div2_clk), + CLKDEV_CON_ID("main", &main_clk), + CLKDEV_CON_ID("pll1", &pll1_clk), + CLKDEV_CON_ID("pll1_div2", &pll1_div2_clk), + CLKDEV_CON_ID("pll3", &pll3_clk), + CLKDEV_CON_ID("hp", &hp_clk), + CLKDEV_CON_ID("p", &p_clk), + CLKDEV_CON_ID("rclk", &rclk_clk), + CLKDEV_CON_ID("mp", &mp_clk), + CLKDEV_CON_ID("cp", &cp_clk), + CLKDEV_CON_ID("peripheral_clk", &hp_clk), + + /* MSTP */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), /* SCIFB0 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), /* SCIFB1 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), /* SCIFB2 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP202]), /* SCIFA2 */ + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP721]), /* SCIF0 */ + CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), /* SCIF1 */ + CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP719]), /* SCIF2 */ + CLKDEV_DEV_ID("sh-sci.9", &mstp_clks[MSTP718]), /* SCIF3 */ + CLKDEV_DEV_ID("sh-sci.10", &mstp_clks[MSTP715]), /* SCIF4 */ + CLKDEV_DEV_ID("sh-sci.11", &mstp_clks[MSTP714]), /* SCIF5 */ + CLKDEV_DEV_ID("sh-sci.12", &mstp_clks[MSTP1105]), /* SCIFA3 */ + CLKDEV_DEV_ID("sh-sci.13", &mstp_clks[MSTP1106]), /* SCIFA4 */ + CLKDEV_DEV_ID("sh-sci.14", &mstp_clks[MSTP1107]), /* SCIFA5 */ + CLKDEV_DEV_ID("sh_cmt.0", &mstp_clks[MSTP124]), +}; + +#define R8A7791_CLOCK_ROOT(e, m, p0, p1, p30, p31) \ + extal_clk.rate = e * 1000 * 1000; \ + main_clk.parent = m; \ + SH_CLK_SET_RATIO(&pll1_clk_ratio, p1 / 2, 1); \ + if (mode & MD(19)) \ + SH_CLK_SET_RATIO(&pll3_clk_ratio, p31, 1); \ + else \ + SH_CLK_SET_RATIO(&pll3_clk_ratio, p30, 1) + + +void __init r8a7791_clock_init(void) +{ + void __iomem *modemr = ioremap_nocache(MODEMR, PAGE_SIZE); + u32 mode; + int k, ret = 0; + + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + + switch (mode & (MD(14) | MD(13))) { + case 0: + R8A7791_CLOCK_ROOT(15, &extal_clk, 172, 208, 106, 88); + break; + case MD(13): + R8A7791_CLOCK_ROOT(20, &extal_clk, 130, 156, 80, 66); + break; + case MD(14): + R8A7791_CLOCK_ROOT(26, &extal_div2_clk, 200, 240, 122, 102); + break; + case MD(13) | MD(14): + R8A7791_CLOCK_ROOT(30, &extal_div2_clk, 172, 208, 106, 88); + break; + } + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + shmobile_clk_init(); + else + goto epanic; + + return; + +epanic: + panic("failed to setup r8a7791 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index f93751caf5cb..e5be5c88644b 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -40,6 +40,9 @@ shmobile_boot_fn: .globl shmobile_boot_arg shmobile_boot_arg: 2: .space 4 + .globl shmobile_boot_size +shmobile_boot_size: + .long . - shmobile_boot_vector /* * Per-CPU SMP boot function/argument selection code based on MPIDR diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 7b938681e756..e31980590eb4 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -9,16 +9,23 @@ extern void shmobile_setup_console(void); extern void shmobile_boot_vector(void); extern unsigned long shmobile_boot_fn; extern unsigned long shmobile_boot_arg; +extern unsigned long shmobile_boot_size; extern void shmobile_smp_boot(void); extern void shmobile_smp_sleep(void); extern void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg); +extern int shmobile_smp_cpu_disable(unsigned int cpu); +extern void shmobile_invalidate_start(void); extern void shmobile_boot_scu(void); extern void shmobile_smp_scu_prepare_cpus(unsigned int max_cpus); -extern int shmobile_smp_scu_boot_secondary(unsigned int cpu, - struct task_struct *idle); extern void shmobile_smp_scu_cpu_die(unsigned int cpu); extern int shmobile_smp_scu_cpu_kill(unsigned int cpu); +extern void shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus); +extern int shmobile_smp_apmu_boot_secondary(unsigned int cpu, + struct task_struct *idle); +extern void shmobile_smp_apmu_cpu_die(unsigned int cpu); +extern int shmobile_smp_apmu_cpu_kill(unsigned int cpu); +extern void shmobile_invalidate_start(void); struct clk; extern int shmobile_clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); @@ -39,7 +46,6 @@ static inline int shmobile_cpuidle_init(void) { return 0; } #endif extern void __iomem *shmobile_scu_base; -extern void shmobile_smp_init_cpus(unsigned int ncores); static inline void __init shmobile_init_late(void) { diff --git a/arch/arm/mach-shmobile/include/mach/r7s72100.h b/arch/arm/mach-shmobile/include/mach/r7s72100.h new file mode 100644 index 000000000000..5f34b20ecd4a --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r7s72100.h @@ -0,0 +1,8 @@ +#ifndef __ASM_R7S72100_H__ +#define __ASM_R7S72100_H__ + +void r7s72100_add_dt_devices(void); +void r7s72100_clock_init(void); +void r7s72100_init_early(void); + +#endif /* __ASM_R7S72100_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a73a4.h b/arch/arm/mach-shmobile/include/mach/r8a73a4.h index f3a9b702da56..ce8bdd1d8a8a 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a73a4.h +++ b/arch/arm/mach-shmobile/include/mach/r8a73a4.h @@ -1,10 +1,19 @@ #ifndef __ASM_R8A73A4_H__ #define __ASM_R8A73A4_H__ +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_INVALID, + SHDMA_SLAVE_MMCIF0_TX, + SHDMA_SLAVE_MMCIF0_RX, + SHDMA_SLAVE_MMCIF1_TX, + SHDMA_SLAVE_MMCIF1_RX, +}; + void r8a73a4_add_standard_devices(void); void r8a73a4_add_dt_devices(void); void r8a73a4_clock_init(void); void r8a73a4_pinmux_init(void); -void r8a73a4_init_delay(void); +void r8a73a4_init_early(void); #endif /* __ASM_R8A73A4_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h index adfcf51b163d..dbe221a484d5 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7778.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h @@ -1,6 +1,7 @@ /* * Copyright (C) 2013 Renesas Solutions Corp. * Copyright (C) 2013 Kuninori Morimoto <[email protected]> + * Copyright (C) 2013 Cogent Embedded, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,6 +22,13 @@ #include <linux/sh_eth.h> #include <linux/platform_data/camera-rcar.h> +/* HPB-DMA slave IDs */ +enum { + HPBDMA_SLAVE_DUMMY, + HPBDMA_SLAVE_SDHI0_TX, + HPBDMA_SLAVE_SDHI0_RX, +}; + extern void r8a7778_add_standard_devices(void); extern void r8a7778_add_standard_devices_dt(void); extern void r8a7778_add_ether_device(struct sh_eth_plat_data *pdata); @@ -33,6 +41,9 @@ extern void r8a7778_init_delay(void); extern void r8a7778_init_irq_dt(void); extern void r8a7778_clock_init(void); extern void r8a7778_init_irq_extpin(int irlm); +extern void r8a7778_init_irq_extpin_dt(int irlm); extern void r8a7778_pinmux_init(void); +extern int r8a7778_usb_phy_power(bool enable); + #endif /* __ASM_R8A7778_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h index 11c740047e14..17af34ed89c8 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7779.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h @@ -6,6 +6,13 @@ #include <linux/sh_eth.h> #include <linux/platform_data/camera-rcar.h> +/* HPB-DMA slave IDs */ +enum { + HPBDMA_SLAVE_DUMMY, + HPBDMA_SLAVE_SDHI0_TX, + HPBDMA_SLAVE_SDHI0_RX, +}; + struct platform_device; struct r8a7779_pm_ch { @@ -26,6 +33,7 @@ static inline struct r8a7779_pm_ch *to_r8a7779_ch(struct generic_pm_domain *d) extern void r8a7779_init_delay(void); extern void r8a7779_init_irq_extpin(int irlm); +extern void r8a7779_init_irq_extpin_dt(int irlm); extern void r8a7779_init_irq_dt(void); extern void r8a7779_map_io(void); extern void r8a7779_earlytimer_init(void); diff --git a/arch/arm/mach-shmobile/include/mach/r8a7790.h b/arch/arm/mach-shmobile/include/mach/r8a7790.h index 788d55952091..5fbfa28b40b6 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7790.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7790.h @@ -1,14 +1,13 @@ #ifndef __ASM_R8A7790_H__ #define __ASM_R8A7790_H__ +#include <mach/rcar-gen2.h> + void r8a7790_add_standard_devices(void); void r8a7790_add_dt_devices(void); void r8a7790_clock_init(void); void r8a7790_pinmux_init(void); -void r8a7790_init_delay(void); -void r8a7790_timer_init(void); - -#define MD(nr) BIT(nr) -u32 r8a7790_read_mode_pins(void); +void r8a7790_init_early(void); +extern struct smp_operations r8a7790_smp_ops; #endif /* __ASM_R8A7790_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7791.h b/arch/arm/mach-shmobile/include/mach/r8a7791.h new file mode 100644 index 000000000000..051ead3c286e --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r8a7791.h @@ -0,0 +1,10 @@ +#ifndef __ASM_R8A7791_H__ +#define __ASM_R8A7791_H__ + +void r8a7791_add_standard_devices(void); +void r8a7791_add_dt_devices(void); +void r8a7791_clock_init(void); +void r8a7791_init_early(void); +extern struct smp_operations r8a7791_smp_ops; + +#endif /* __ASM_R8A7791_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/rcar-gen2.h b/arch/arm/mach-shmobile/include/mach/rcar-gen2.h new file mode 100644 index 000000000000..43f606eb2d82 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/rcar-gen2.h @@ -0,0 +1,8 @@ +#ifndef __ASM_RCAR_GEN2_H__ +#define __ASM_RCAR_GEN2_H__ + +void rcar_gen2_timer_init(void); +#define MD(nr) BIT(nr) +u32 rcar_gen2_read_mode_pins(void); + +#endif /* __ASM_RCAR_GEN2_H__ */ diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c new file mode 100644 index 000000000000..1da5a72d9642 --- /dev/null +++ b/arch/arm/mach-shmobile/platsmp-apmu.c @@ -0,0 +1,195 @@ +/* + * SMP support for SoCs with APMU + * + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/of_address.h> +#include <linux/smp.h> +#include <asm/cacheflush.h> +#include <asm/cp15.h> +#include <asm/smp_plat.h> +#include <mach/common.h> + +static struct { + void __iomem *iomem; + int bit; +} apmu_cpus[CONFIG_NR_CPUS]; + +#define WUPCR_OFFS 0x10 +#define PSTR_OFFS 0x40 +#define CPUNCR_OFFS(n) (0x100 + (0x10 * (n))) + +static int apmu_power_on(void __iomem *p, int bit) +{ + /* request power on */ + writel_relaxed(BIT(bit), p + WUPCR_OFFS); + + /* wait for APMU to finish */ + while (readl_relaxed(p + WUPCR_OFFS) != 0) + ; + + return 0; +} + +static int apmu_power_off(void __iomem *p, int bit) +{ + /* request Core Standby for next WFI */ + writel_relaxed(3, p + CPUNCR_OFFS(bit)); + return 0; +} + +static int apmu_power_off_poll(void __iomem *p, int bit) +{ + int k; + + for (k = 0; k < 1000; k++) { + if (((readl_relaxed(p + PSTR_OFFS) >> (bit * 4)) & 0x03) == 3) + return 1; + + mdelay(1); + } + + return 0; +} + +static int apmu_wrap(int cpu, int (*fn)(void __iomem *p, int cpu)) +{ + void __iomem *p = apmu_cpus[cpu].iomem; + + return p ? fn(p, apmu_cpus[cpu].bit) : -EINVAL; +} + +static void apmu_init_cpu(struct resource *res, int cpu, int bit) +{ + if (apmu_cpus[cpu].iomem) + return; + + apmu_cpus[cpu].iomem = ioremap_nocache(res->start, resource_size(res)); + apmu_cpus[cpu].bit = bit; + + pr_debug("apmu ioremap %d %d 0x%08x 0x%08x\n", cpu, bit, + res->start, resource_size(res)); +} + +static struct { + struct resource iomem; + int cpus[4]; +} apmu_config[] = { + { + .iomem = DEFINE_RES_MEM(0xe6152000, 0x88), + .cpus = { 0, 1, 2, 3 }, + }, + { + .iomem = DEFINE_RES_MEM(0xe6151000, 0x88), + .cpus = { 0x100, 0x101, 0x102, 0x103 }, + } +}; + +static void apmu_parse_cfg(void (*fn)(struct resource *res, int cpu, int bit)) +{ + u32 id; + int k; + int bit, index; + bool is_allowed; + + for (k = 0; k < ARRAY_SIZE(apmu_config); k++) { + /* only enable the cluster that includes the boot CPU */ + is_allowed = false; + for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) { + id = apmu_config[k].cpus[bit]; + if (id >= 0) { + if (id == cpu_logical_map(0)) + is_allowed = true; + } + } + if (!is_allowed) + continue; + + for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) { + id = apmu_config[k].cpus[bit]; + if (id >= 0) { + index = get_logical_index(id); + if (index >= 0) + fn(&apmu_config[k].iomem, index, bit); + } + } + } +} + +void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus) +{ + /* install boot code shared by all CPUs */ + shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); + shmobile_boot_arg = MPIDR_HWID_BITMASK; + + /* perform per-cpu setup */ + apmu_parse_cfg(apmu_init_cpu); +} + +int shmobile_smp_apmu_boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + /* For this particular CPU register boot vector */ + shmobile_smp_hook(cpu, virt_to_phys(shmobile_invalidate_start), 0); + + return apmu_wrap(cpu, apmu_power_on); +} + +#ifdef CONFIG_HOTPLUG_CPU +/* nicked from arch/arm/mach-exynos/hotplug.c */ +static inline void cpu_enter_lowpower_a15(void) +{ + unsigned int v; + + asm volatile( + " mrc p15, 0, %0, c1, c0, 0\n" + " bic %0, %0, %1\n" + " mcr p15, 0, %0, c1, c0, 0\n" + : "=&r" (v) + : "Ir" (CR_C) + : "cc"); + + flush_cache_louis(); + + asm volatile( + /* + * Turn off coherency + */ + " mrc p15, 0, %0, c1, c0, 1\n" + " bic %0, %0, %1\n" + " mcr p15, 0, %0, c1, c0, 1\n" + : "=&r" (v) + : "Ir" (0x40) + : "cc"); + + isb(); + dsb(); +} + +void shmobile_smp_apmu_cpu_die(unsigned int cpu) +{ + /* For this particular CPU deregister boot vector */ + shmobile_smp_hook(cpu, 0, 0); + + /* Select next sleep mode using the APMU */ + apmu_wrap(cpu, apmu_power_off); + + /* Do ARM specific CPU shutdown */ + cpu_enter_lowpower_a15(); + + /* jump to shared mach-shmobile sleep / reset code */ + shmobile_smp_sleep(); +} + +int shmobile_smp_apmu_cpu_kill(unsigned int cpu) +{ + return apmu_wrap(cpu, apmu_power_off_poll); +} +#endif diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c index c96f50160be6..673ad6e80869 100644 --- a/arch/arm/mach-shmobile/platsmp-scu.c +++ b/arch/arm/mach-shmobile/platsmp-scu.c @@ -7,6 +7,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/cpu.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/io.h> @@ -16,6 +17,26 @@ #include <asm/smp_scu.h> #include <mach/common.h> +static int shmobile_smp_scu_notifier_call(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + unsigned int cpu = (long)hcpu; + + switch (action) { + case CPU_UP_PREPARE: + /* For this particular CPU register SCU SMP boot vector */ + shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu), + (unsigned long)shmobile_scu_base); + break; + }; + + return NOTIFY_OK; +} + +static struct notifier_block shmobile_smp_scu_notifier = { + .notifier_call = shmobile_smp_scu_notifier_call, +}; + void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus) { /* install boot code shared by all CPUs */ @@ -25,14 +46,9 @@ void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus) /* enable SCU and cache coherency on booting CPU */ scu_enable(shmobile_scu_base); scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL); -} -int shmobile_smp_scu_boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - /* For this particular CPU register SCU boot vector */ - shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu), - (unsigned long)shmobile_scu_base); - return 0; + /* Use CPU notifier for reset vector control */ + register_cpu_notifier(&shmobile_smp_scu_notifier); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index d4ae616bcedb..9ebc246b8d7d 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -11,25 +11,10 @@ * published by the Free Software Foundation. */ #include <linux/init.h> -#include <linux/smp.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> #include <mach/common.h> -void __init shmobile_smp_init_cpus(unsigned int ncores) -{ - unsigned int i; - - if (ncores > nr_cpu_ids) { - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", - ncores, nr_cpu_ids); - ncores = nr_cpu_ids; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); -} - extern unsigned long shmobile_smp_fn[]; extern unsigned long shmobile_smp_arg[]; extern unsigned long shmobile_smp_mpidr[]; @@ -44,3 +29,10 @@ void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg) shmobile_smp_arg[cpu] = arg; flush_cache_all(); } + +#ifdef CONFIG_HOTPLUG_CPU +int shmobile_smp_cpu_disable(unsigned int cpu) +{ + return 0; /* Hotplug of any CPU is supported */ +} +#endif diff --git a/arch/arm/mach-shmobile/setup-r7s72100.c b/arch/arm/mach-shmobile/setup-r7s72100.c new file mode 100644 index 000000000000..d4eb509a1c87 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r7s72100.c @@ -0,0 +1,88 @@ +/* + * r7s72100 processor support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/serial_sci.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r7s72100.h> +#include <asm/mach/arch.h> + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + .type = PORT_SCIF, \ + .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE | \ + SCSCR_REIE, \ + .mapbase = baseaddr, \ + .irqs = { irq + 1, irq + 2, irq + 3, irq }, \ +} + +enum { SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7 }; + +static const struct plat_sci_port scif[] __initconst = { + SCIF_DATA(SCIF0, 0xe8007000, gic_iid(221)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe8007800, gic_iid(225)), /* SCIF1 */ + SCIF_DATA(SCIF2, 0xe8008000, gic_iid(229)), /* SCIF2 */ + SCIF_DATA(SCIF3, 0xe8008800, gic_iid(233)), /* SCIF3 */ + SCIF_DATA(SCIF4, 0xe8009000, gic_iid(237)), /* SCIF4 */ + SCIF_DATA(SCIF5, 0xe8009800, gic_iid(241)), /* SCIF5 */ + SCIF_DATA(SCIF6, 0xe800a000, gic_iid(245)), /* SCIF6 */ + SCIF_DATA(SCIF7, 0xe800a800, gic_iid(249)), /* SCIF7 */ +}; + +static inline void r7s72100_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +void __init r7s72100_add_dt_devices(void) +{ + r7s72100_register_scif(SCIF0); + r7s72100_register_scif(SCIF1); + r7s72100_register_scif(SCIF2); + r7s72100_register_scif(SCIF3); + r7s72100_register_scif(SCIF4); + r7s72100_register_scif(SCIF5); + r7s72100_register_scif(SCIF6); + r7s72100_register_scif(SCIF7); +} + +void __init r7s72100_init_early(void) +{ + shmobile_setup_delay(400, 1, 3); /* Cortex-A9 @ 400MHz */ +} + +#ifdef CONFIG_USE_OF +static const char *r7s72100_boards_compat_dt[] __initdata = { + "renesas,r7s72100", + NULL, +}; + +DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)") + .init_early = r7s72100_init_early, + .dt_compat = r7s72100_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c index 89491700afb7..b0f2749071be 100644 --- a/arch/arm/mach-shmobile/setup-r8a73a4.c +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -22,8 +22,10 @@ #include <linux/of_platform.h> #include <linux/platform_data/irq-renesas-irqc.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> #include <mach/common.h> +#include <mach/dma-register.h> #include <mach/irqs.h> #include <mach/r8a73a4.h> #include <asm/mach/arch.h> @@ -199,15 +201,104 @@ void __init r8a73a4_add_dt_devices(void) r8a7790_register_cmt(10); } +/* DMA */ +static const struct sh_dmae_slave_config dma_slaves[] = { + { + .slave_id = SHDMA_SLAVE_MMCIF0_TX, + .addr = 0xee200034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF0_RX, + .addr = 0xee200034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_TX, + .addr = 0xee220034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xe1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_RX, + .addr = 0xee220034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xe2, + }, +}; + +#define DMAE_CHANNEL(a, b) \ + { \ + .offset = (a) - 0x20, \ + .dmars = (a) - 0x20 + 0x40, \ + .chclr_bit = (b), \ + .chclr_offset = 0x80 - 0x20, \ + } + +static const struct sh_dmae_channel dma_channels[] = { + DMAE_CHANNEL(0x8000, 0), + DMAE_CHANNEL(0x8080, 1), + DMAE_CHANNEL(0x8100, 2), + DMAE_CHANNEL(0x8180, 3), + DMAE_CHANNEL(0x8200, 4), + DMAE_CHANNEL(0x8280, 5), + DMAE_CHANNEL(0x8300, 6), + DMAE_CHANNEL(0x8380, 7), + DMAE_CHANNEL(0x8400, 8), + DMAE_CHANNEL(0x8480, 9), + DMAE_CHANNEL(0x8500, 10), + DMAE_CHANNEL(0x8580, 11), + DMAE_CHANNEL(0x8600, 12), + DMAE_CHANNEL(0x8680, 13), + DMAE_CHANNEL(0x8700, 14), + DMAE_CHANNEL(0x8780, 15), + DMAE_CHANNEL(0x8800, 16), + DMAE_CHANNEL(0x8880, 17), + DMAE_CHANNEL(0x8900, 18), + DMAE_CHANNEL(0x8980, 19), +}; + +static const struct sh_dmae_pdata dma_pdata = { + .slave = dma_slaves, + .slave_num = ARRAY_SIZE(dma_slaves), + .channel = dma_channels, + .channel_num = ARRAY_SIZE(dma_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, + .chclr_present = 1, + .chclr_bitwise = 1, +}; + +static struct resource dma_resources[] = { + DEFINE_RES_MEM(0xe6700020, 0x89e0), + DEFINE_RES_IRQ_NAMED(gic_spi(220), "error_irq"), + { + /* IRQ for channels 0-19 */ + .start = gic_spi(200), + .end = gic_spi(219), + .flags = IORESOURCE_IRQ, + }, +}; + +#define r8a73a4_register_dmac() \ + platform_device_register_resndata(&platform_bus, "sh-dma-engine", 0, \ + dma_resources, ARRAY_SIZE(dma_resources), \ + &dma_pdata, sizeof(dma_pdata)) + void __init r8a73a4_add_standard_devices(void) { r8a73a4_add_dt_devices(); r8a73a4_register_irqc(0); r8a73a4_register_irqc(1); r8a73a4_register_thermal(); + r8a73a4_register_dmac(); } -void __init r8a73a4_init_delay(void) +void __init r8a73a4_init_early(void) { #ifndef CONFIG_ARM_ARCH_TIMER shmobile_setup_delay(1500, 2, 4); /* Cortex-A15 @ 1500MHz */ @@ -222,7 +313,7 @@ static const char *r8a73a4_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(R8A73A4_DT, "Generic R8A73A4 (Flattened Device Tree)") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .dt_compat = r8a73a4_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index 6a2657ebd197..16d49aa8b5db 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -24,6 +24,7 @@ #include <linux/irqchip/arm-gic.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/platform_data/dma-rcar-hpbdma.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> @@ -95,29 +96,46 @@ static struct sh_timer_config sh_tmu1_platform_data __initdata = { &sh_tmu##idx##_platform_data, \ sizeof(sh_tmu##idx##_platform_data)) -/* USB */ -static struct usb_phy *phy; +int r8a7778_usb_phy_power(bool enable) +{ + static struct usb_phy *phy = NULL; + int ret = 0; + + if (!phy) + phy = usb_get_phy(USB_PHY_TYPE_USB2); + + if (IS_ERR(phy)) { + pr_err("kernel doesn't have usb phy driver\n"); + return PTR_ERR(phy); + } + + if (enable) + ret = usb_phy_init(phy); + else + usb_phy_shutdown(phy); + return ret; +} + +/* USB */ static int usb_power_on(struct platform_device *pdev) { - if (IS_ERR(phy)) - return PTR_ERR(phy); + int ret = r8a7778_usb_phy_power(true); + + if (ret) + return ret; pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); - usb_phy_init(phy); - return 0; } static void usb_power_off(struct platform_device *pdev) { - if (IS_ERR(phy)) + if (r8a7778_usb_phy_power(false)) return; - usb_phy_shutdown(phy); - pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); } @@ -339,6 +357,88 @@ void __init r8a7778_add_dt_devices(void) r8a7778_register_tmu(1); } +/* HPB-DMA */ + +/* Asynchronous mode register (ASYNCMDR) bits */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */ + +static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = { + { + .id = HPBDMA_SLAVE_SDHI0_TX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DMDL | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD21_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 21, + }, { + .id = HPBDMA_SLAVE_SDHI0_RX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SMDL | + HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD22_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 22, + }, +}; + +static const struct hpb_dmae_channel hpb_dmae_channels[] = { + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */ + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */ +}; + +static struct hpb_dmae_pdata dma_platform_data __initdata = { + .slaves = hpb_dmae_slaves, + .num_slaves = ARRAY_SIZE(hpb_dmae_slaves), + .channels = hpb_dmae_channels, + .num_channels = ARRAY_SIZE(hpb_dmae_channels), + .ts_shift = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + }, + .num_hw_channels = 39, +}; + +static struct resource hpb_dmae_resources[] __initdata = { + /* Channel registers */ + DEFINE_RES_MEM(0xffc08000, 0x1000), + /* Common registers */ + DEFINE_RES_MEM(0xffc09000, 0x170), + /* Asynchronous reset registers */ + DEFINE_RES_MEM(0xffc00300, 4), + /* Asynchronous mode registers */ + DEFINE_RES_MEM(0xffc00400, 4), + /* IRQ for DMA channels */ + DEFINE_RES_NAMED(gic_iid(0x7b), 5, NULL, IORESOURCE_IRQ), +}; + +static void __init r8a7778_register_hpb_dmae(void) +{ + platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1, + hpb_dmae_resources, + ARRAY_SIZE(hpb_dmae_resources), + &dma_platform_data, + sizeof(dma_platform_data)); +} + void __init r8a7778_add_standard_devices(void) { r8a7778_add_dt_devices(); @@ -349,12 +449,12 @@ void __init r8a7778_add_standard_devices(void) r8a7778_register_hspi(0); r8a7778_register_hspi(1); r8a7778_register_hspi(2); + + r8a7778_register_hpb_dmae(); } void __init r8a7778_init_late(void) { - phy = usb_get_phy(USB_PHY_TYPE_USB2); - platform_device_register_full(&ehci_info); platform_device_register_full(&ohci_info); } @@ -376,7 +476,7 @@ static struct resource irqpin_resources[] __initdata = { DEFINE_RES_IRQ(gic_iid(0x3e)), /* IRQ3 */ }; -void __init r8a7778_init_irq_extpin(int irlm) +void __init r8a7778_init_irq_extpin_dt(int irlm) { void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); unsigned long tmp; @@ -394,7 +494,11 @@ void __init r8a7778_init_irq_extpin(int irlm) tmp |= (1 << 21); /* LVLMODE = 1 */ iowrite32(tmp, icr0); iounmap(icr0); +} +void __init r8a7778_init_irq_extpin(int irlm) +{ + r8a7778_init_irq_extpin_dt(irlm); if (irlm) platform_device_register_resndata( &platform_bus, "renesas_intc_irqpin", -1, diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index ecd0148ee1e1..13049e9d691c 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -25,6 +25,7 @@ #include <linux/irqchip.h> #include <linux/irqchip/arm-gic.h> #include <linux/of_platform.h> +#include <linux/platform_data/dma-rcar-hpbdma.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> @@ -97,7 +98,7 @@ static struct resource irqpin0_resources[] __initdata = { DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */ }; -void __init r8a7779_init_irq_extpin(int irlm) +void __init r8a7779_init_irq_extpin_dt(int irlm) { void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); u32 tmp; @@ -115,7 +116,11 @@ void __init r8a7779_init_irq_extpin(int irlm) tmp |= (1 << 21); /* LVLMODE = 1 */ iowrite32(tmp, icr0); iounmap(icr0); +} +void __init r8a7779_init_irq_extpin(int irlm) +{ + r8a7779_init_irq_extpin_dt(irlm); if (irlm) platform_device_register_resndata( &platform_bus, "renesas_intc_irqpin", -1, @@ -632,6 +637,158 @@ static struct platform_device_info *vin_info_table[] __initdata = { &vin3_info, }; +/* HPB-DMA */ + +/* Asynchronous mode register bits */ +#define HPB_DMAE_ASYNCMDR_ASMD43_MASK BIT(23) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD43_SINGLE BIT(23) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD43_MULTI 0 /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_MASK BIT(22) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_BURST BIT(22) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_NBURST 0 /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_MASK BIT(21) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_SINGLE BIT(21) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_MULTI 0 /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_MASK BIT(20) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_BURST BIT(20) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_NBURST 0 /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_MASK BIT(19) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_SINGLE BIT(19) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_MASK BIT(18) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_BURST BIT(18) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_MASK BIT(17) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_SINGLE BIT(17) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_MASK BIT(16) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_BURST BIT(16) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_MASK BIT(15) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_SINGLE BIT(15) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_MASK BIT(14) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_BURST BIT(14) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_MASK BIT(13) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_SINGLE BIT(13) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_MASK BIT(12) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_BURST BIT(12) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_MASK BIT(11) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_SINGLE BIT(11) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_MASK BIT(10) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_BURST BIT(10) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_MASK BIT(9) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_SINGLE BIT(9) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_MASK BIT(8) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_BURST BIT(8) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_MASK BIT(7) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_SINGLE BIT(7) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_MASK BIT(6) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_BURST BIT(6) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(5) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(5) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_MASK BIT(4) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_BURST BIT(4) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(3) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(3) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_MASK BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_BURST BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_MASK BIT(1) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_SINGLE BIT(1) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_MULTI 0 /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_MASK BIT(0) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_BURST BIT(0) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_NBURST 0 /* SDHI1 */ + +static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = { + { + .id = HPBDMA_SLAVE_SDHI0_TX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DMDL | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD21_SINGLE | + HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST, + .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK | + HPB_DMAE_ASYNCMDR_ASBTMD21_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 21, + }, { + .id = HPBDMA_SLAVE_SDHI0_RX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SMDL | + HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD22_SINGLE | + HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST, + .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK | + HPB_DMAE_ASYNCMDR_ASBTMD22_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 22, + }, +}; + +static const struct hpb_dmae_channel hpb_dmae_channels[] = { + HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */ + HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */ +}; + +static struct hpb_dmae_pdata dma_platform_data __initdata = { + .slaves = hpb_dmae_slaves, + .num_slaves = ARRAY_SIZE(hpb_dmae_slaves), + .channels = hpb_dmae_channels, + .num_channels = ARRAY_SIZE(hpb_dmae_channels), + .ts_shift = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + }, + .num_hw_channels = 44, +}; + +static struct resource hpb_dmae_resources[] __initdata = { + /* Channel registers */ + DEFINE_RES_MEM(0xffc08000, 0x1000), + /* Common registers */ + DEFINE_RES_MEM(0xffc09000, 0x170), + /* Asynchronous reset registers */ + DEFINE_RES_MEM(0xffc00300, 4), + /* Asynchronous mode registers */ + DEFINE_RES_MEM(0xffc00400, 4), + /* IRQ for DMA channels */ + DEFINE_RES_NAMED(gic_iid(0x8e), 12, NULL, IORESOURCE_IRQ), +}; + +static void __init r8a7779_register_hpb_dmae(void) +{ + platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1, + hpb_dmae_resources, + ARRAY_SIZE(hpb_dmae_resources), + &dma_platform_data, + sizeof(dma_platform_data)); +} + static struct platform_device *r8a7779_devices_dt[] __initdata = { &scif0_device, &scif1_device, @@ -665,6 +822,7 @@ void __init r8a7779_add_standard_devices(void) ARRAY_SIZE(r8a7779_devices_dt)); platform_add_devices(r8a7779_standard_devices, ARRAY_SIZE(r8a7779_standard_devices)); + r8a7779_register_hpb_dmae(); } void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata) diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c index d0f5c9f9349a..c47bcebbcb00 100644 --- a/arch/arm/mach-shmobile/setup-r8a7790.c +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -18,7 +18,6 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <linux/clocksource.h> #include <linux/irq.h> #include <linux/kernel.h> #include <linux/of_platform.h> @@ -31,17 +30,18 @@ #include <mach/r8a7790.h> #include <asm/mach/arch.h> -static struct resource pfc_resources[] __initdata = { +static const struct resource pfc_resources[] __initconst = { DEFINE_RES_MEM(0xe6060000, 0x250), }; #define R8A7790_GPIO(idx) \ -static struct resource r8a7790_gpio##idx##_resources[] __initdata = { \ +static const struct resource r8a7790_gpio##idx##_resources[] __initconst = { \ DEFINE_RES_MEM(0xe6050000 + 0x1000 * (idx), 0x50), \ DEFINE_RES_IRQ(gic_spi(4 + (idx))), \ }; \ \ -static struct gpio_rcar_config r8a7790_gpio##idx##_platform_data __initdata = { \ +static const struct gpio_rcar_config \ +r8a7790_gpio##idx##_platform_data __initconst = { \ .gpio_base = 32 * (idx), \ .irq_base = 0, \ .number_of_pins = 32, \ @@ -112,7 +112,7 @@ void __init r8a7790_pinmux_init(void) enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1, HSCIF0, HSCIF1 }; -static struct plat_sci_port scif[] __initdata = { +static const struct plat_sci_port scif[] __initconst = { SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ SCIFB_DATA(SCIFB0, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ @@ -131,11 +131,11 @@ static inline void r8a7790_register_scif(int idx) sizeof(struct plat_sci_port)); } -static struct renesas_irqc_config irqc0_data __initdata = { +static const struct renesas_irqc_config irqc0_data __initconst = { .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ }; -static struct resource irqc0_resources[] __initdata = { +static const struct resource irqc0_resources[] __initconst = { DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ @@ -150,7 +150,7 @@ static struct resource irqc0_resources[] __initdata = { &irqc##idx##_data, \ sizeof(struct renesas_irqc_config)) -static struct resource thermal_resources[] __initdata = { +static const struct resource thermal_resources[] __initconst = { DEFINE_RES_MEM(0xe61f0000, 0x14), DEFINE_RES_MEM(0xe61f0100, 0x38), DEFINE_RES_IRQ(gic_spi(69)), @@ -161,13 +161,13 @@ static struct resource thermal_resources[] __initdata = { thermal_resources, \ ARRAY_SIZE(thermal_resources)) -static struct sh_timer_config cmt00_platform_data __initdata = { +static const struct sh_timer_config cmt00_platform_data __initconst = { .name = "CMT00", .timer_bit = 0, .clockevent_rating = 80, }; -static struct resource cmt00_resources[] __initdata = { +static const struct resource cmt00_resources[] __initconst = { DEFINE_RES_MEM(0xffca0510, 0x0c), DEFINE_RES_MEM(0xffca0500, 0x04), DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */ @@ -202,72 +202,7 @@ void __init r8a7790_add_standard_devices(void) r8a7790_register_thermal(); } -#define MODEMR 0xe6160060 - -u32 __init r8a7790_read_mode_pins(void) -{ - void __iomem *modemr = ioremap_nocache(MODEMR, 4); - u32 mode; - - BUG_ON(!modemr); - mode = ioread32(modemr); - iounmap(modemr); - - return mode; -} - -#define CNTCR 0 -#define CNTFID0 0x20 - -void __init r8a7790_timer_init(void) -{ -#ifdef CONFIG_ARM_ARCH_TIMER - u32 mode = r8a7790_read_mode_pins(); - void __iomem *base; - int extal_mhz = 0; - u32 freq; - - /* At Linux boot time the r8a7790 arch timer comes up - * with the counter disabled. Moreover, it may also report - * a potentially incorrect fixed 13 MHz frequency. To be - * correct these registers need to be updated to use the - * frequency EXTAL / 2 which can be determined by the MD pins. - */ - - switch (mode & (MD(14) | MD(13))) { - case 0: - extal_mhz = 15; - break; - case MD(13): - extal_mhz = 20; - break; - case MD(14): - extal_mhz = 26; - break; - case MD(13) | MD(14): - extal_mhz = 30; - break; - } - - /* The arch timer frequency equals EXTAL / 2 */ - freq = extal_mhz * (1000000 / 2); - - /* Remap "armgcnt address map" space */ - base = ioremap(0xe6080000, PAGE_SIZE); - - /* Update registers with correct frequency */ - iowrite32(freq, base + CNTFID0); - asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq)); - - /* make sure arch timer is started by setting bit 0 of CNTCR */ - iowrite32(1, base + CNTCR); - iounmap(base); -#endif /* CONFIG_ARM_ARCH_TIMER */ - - clocksource_of_init(); -} - -void __init r8a7790_init_delay(void) +void __init r8a7790_init_early(void) { #ifndef CONFIG_ARM_ARCH_TIMER shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */ @@ -276,14 +211,15 @@ void __init r8a7790_init_delay(void) #ifdef CONFIG_USE_OF -static const char *r8a7790_boards_compat_dt[] __initdata = { +static const char * const r8a7790_boards_compat_dt[] __initconst = { "renesas,r8a7790", NULL, }; DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)") - .init_early = r8a7790_init_delay, - .init_time = r8a7790_timer_init, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .dt_compat = r8a7790_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7791.c b/arch/arm/mach-shmobile/setup-r8a7791.c new file mode 100644 index 000000000000..d9393d61ee27 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7791.c @@ -0,0 +1,184 @@ +/* + * r8a7791 processor support + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/platform_data/irq-renesas-irqc.h> +#include <linux/serial_sci.h> +#include <linux/sh_timer.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r8a7791.h> +#include <mach/rcar-gen2.h> +#include <asm/mach/arch.h> + +#define SCIF_COMMON(scif_type, baseaddr, irq) \ + .type = scif_type, \ + .mapbase = baseaddr, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .irqs = SCIx_IRQ_MUXED(irq) + +#define SCIFA_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFA, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIFB_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define HSCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_HSCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_6, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1, + SCIF2, SCIF3, SCIF4, SCIF5, SCIFA3, SCIFA4, SCIFA5 }; + +static const struct plat_sci_port scif[] __initconst = { + SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ + SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ + SCIFB_DATA(SCIFB0, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ + SCIFB_DATA(SCIFB1, 0xe6c30000, gic_spi(149)), /* SCIFB1 */ + SCIFB_DATA(SCIFB2, 0xe6ce0000, gic_spi(150)), /* SCIFB2 */ + SCIFA_DATA(SCIFA2, 0xe6c60000, gic_spi(151)), /* SCIFA2 */ + SCIF_DATA(SCIF0, 0xe6e60000, gic_spi(152)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe6e68000, gic_spi(153)), /* SCIF1 */ + SCIF_DATA(SCIF2, 0xe6e58000, gic_spi(22)), /* SCIF2 */ + SCIF_DATA(SCIF3, 0xe6ea8000, gic_spi(23)), /* SCIF3 */ + SCIF_DATA(SCIF4, 0xe6ee0000, gic_spi(24)), /* SCIF4 */ + SCIF_DATA(SCIF5, 0xe6ee8000, gic_spi(25)), /* SCIF5 */ + SCIFA_DATA(SCIFA3, 0xe6c70000, gic_spi(29)), /* SCIFA3 */ + SCIFA_DATA(SCIFA4, 0xe6c78000, gic_spi(30)), /* SCIFA4 */ + SCIFA_DATA(SCIFA5, 0xe6c80000, gic_spi(31)), /* SCIFA5 */ +}; + +static inline void r8a7791_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +static const struct sh_timer_config cmt00_platform_data __initconst = { + .name = "CMT00", + .timer_bit = 0, + .clockevent_rating = 80, +}; + +static const struct resource cmt00_resources[] __initconst = { + DEFINE_RES_MEM(0xffca0510, 0x0c), + DEFINE_RES_MEM(0xffca0500, 0x04), + DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */ +}; + +#define r8a7791_register_cmt(idx) \ + platform_device_register_resndata(&platform_bus, "sh_cmt", \ + idx, cmt##idx##_resources, \ + ARRAY_SIZE(cmt##idx##_resources), \ + &cmt##idx##_platform_data, \ + sizeof(struct sh_timer_config)) + +static struct renesas_irqc_config irqc0_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ9 */ +}; + +static struct resource irqc0_resources[] = { + DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ + DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ + DEFINE_RES_IRQ(gic_spi(12)), /* IRQ4 */ + DEFINE_RES_IRQ(gic_spi(13)), /* IRQ5 */ + DEFINE_RES_IRQ(gic_spi(14)), /* IRQ6 */ + DEFINE_RES_IRQ(gic_spi(15)), /* IRQ7 */ + DEFINE_RES_IRQ(gic_spi(16)), /* IRQ8 */ + DEFINE_RES_IRQ(gic_spi(17)), /* IRQ9 */ +}; + +#define r8a7791_register_irqc(idx) \ + platform_device_register_resndata(&platform_bus, "renesas_irqc", \ + idx, irqc##idx##_resources, \ + ARRAY_SIZE(irqc##idx##_resources), \ + &irqc##idx##_data, \ + sizeof(struct renesas_irqc_config)) + +void __init r8a7791_add_dt_devices(void) +{ + r8a7791_register_scif(SCIFA0); + r8a7791_register_scif(SCIFA1); + r8a7791_register_scif(SCIFB0); + r8a7791_register_scif(SCIFB1); + r8a7791_register_scif(SCIFB2); + r8a7791_register_scif(SCIFA2); + r8a7791_register_scif(SCIF0); + r8a7791_register_scif(SCIF1); + r8a7791_register_scif(SCIF2); + r8a7791_register_scif(SCIF3); + r8a7791_register_scif(SCIF4); + r8a7791_register_scif(SCIF5); + r8a7791_register_scif(SCIFA3); + r8a7791_register_scif(SCIFA4); + r8a7791_register_scif(SCIFA5); + r8a7791_register_cmt(00); +} + +void __init r8a7791_add_standard_devices(void) +{ + r8a7791_add_dt_devices(); + r8a7791_register_irqc(0); +} + +void __init r8a7791_init_early(void) +{ +#ifndef CONFIG_ARM_ARCH_TIMER + shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */ +#endif +} + +#ifdef CONFIG_USE_OF +static const char *r8a7791_boards_compat_dt[] __initdata = { + "renesas,r8a7791", + NULL, +}; + +DT_MACHINE_START(R8A7791_DT, "Generic R8A7791 (Flattened Device Tree)") + .smp = smp_ops(r8a7791_smp_ops), + .init_early = r8a7791_init_early, + .init_time = rcar_gen2_timer_init, + .dt_compat = r8a7791_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c new file mode 100644 index 000000000000..5734c24bf6c7 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c @@ -0,0 +1,91 @@ +/* + * R-Car Generation 2 support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/clocksource.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <mach/common.h> +#include <mach/rcar-gen2.h> +#include <asm/mach/arch.h> + +#define MODEMR 0xe6160060 + +u32 __init rcar_gen2_read_mode_pins(void) +{ + void __iomem *modemr = ioremap_nocache(MODEMR, 4); + u32 mode; + + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + + return mode; +} + +#define CNTCR 0 +#define CNTFID0 0x20 + +void __init rcar_gen2_timer_init(void) +{ +#ifdef CONFIG_ARM_ARCH_TIMER + u32 mode = rcar_gen2_read_mode_pins(); + void __iomem *base; + int extal_mhz = 0; + u32 freq; + + /* At Linux boot time the r8a7790 arch timer comes up + * with the counter disabled. Moreover, it may also report + * a potentially incorrect fixed 13 MHz frequency. To be + * correct these registers need to be updated to use the + * frequency EXTAL / 2 which can be determined by the MD pins. + */ + + switch (mode & (MD(14) | MD(13))) { + case 0: + extal_mhz = 15; + break; + case MD(13): + extal_mhz = 20; + break; + case MD(14): + extal_mhz = 26; + break; + case MD(13) | MD(14): + extal_mhz = 30; + break; + } + + /* The arch timer frequency equals EXTAL / 2 */ + freq = extal_mhz * (1000000 / 2); + + /* Remap "armgcnt address map" space */ + base = ioremap(0xe6080000, PAGE_SIZE); + + /* Update registers with correct frequency */ + iowrite32(freq, base + CNTFID0); + asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq)); + + /* make sure arch timer is started by setting bit 0 of CNTCR */ + iowrite32(1, base + CNTCR); + iounmap(base); +#endif /* CONFIG_ARM_ARCH_TIMER */ + + clocksource_of_init(); +} diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c index 522de5ebb55f..f2ca92308f75 100644 --- a/arch/arm/mach-shmobile/smp-emev2.c +++ b/arch/arm/mach-shmobile/smp-emev2.c @@ -34,12 +34,6 @@ static int emev2_boot_secondary(unsigned int cpu, struct task_struct *idle) { - int ret; - - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; - arch_send_wakeup_ipi_mask(cpumask_of(cpu_logical_map(cpu))); return 0; } diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index 0f05e9fb722f..627c1f0d9478 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -87,10 +87,6 @@ static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle) unsigned int lcpu = cpu_logical_map(cpu); int ret; - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; - if (lcpu < ARRAY_SIZE(r8a7779_ch_cpu)) ch = r8a7779_ch_cpu[lcpu]; diff --git a/arch/arm/mach-shmobile/smp-r8a7790.c b/arch/arm/mach-shmobile/smp-r8a7790.c new file mode 100644 index 000000000000..015e2753de1f --- /dev/null +++ b/arch/arm/mach-shmobile/smp-r8a7790.c @@ -0,0 +1,67 @@ +/* + * SMP support for r8a7790 + * + * Copyright (C) 2012-2013 Renesas Solutions Corp. + * Copyright (C) 2012 Takashi Yoshii <[email protected]> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/smp.h> +#include <linux/io.h> +#include <asm/smp_plat.h> +#include <mach/common.h> + +#define RST 0xe6160000 +#define CA15BAR 0x0020 +#define CA7BAR 0x0030 +#define CA15RESCNT 0x0040 +#define CA7RESCNT 0x0044 +#define MERAM 0xe8080000 + +static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus) +{ + void __iomem *p; + u32 bar; + + /* let APMU code install data related to shmobile_boot_vector */ + shmobile_smp_apmu_prepare_cpus(max_cpus); + + /* MERAM for jump stub, because BAR requires 256KB aligned address */ + p = ioremap_nocache(MERAM, shmobile_boot_size); + memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); + iounmap(p); + + /* setup reset vectors */ + p = ioremap_nocache(RST, 0x63); + bar = (MERAM >> 8) & 0xfffffc00; + writel_relaxed(bar, p + CA15BAR); + writel_relaxed(bar, p + CA7BAR); + writel_relaxed(bar | 0x10, p + CA15BAR); + writel_relaxed(bar | 0x10, p + CA7BAR); + + /* enable clocks to all CPUs */ + writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, + p + CA15RESCNT); + writel_relaxed((readl_relaxed(p + CA7RESCNT) & ~0x0f) | 0x5a5a0000, + p + CA7RESCNT); + iounmap(p); +} + +struct smp_operations r8a7790_smp_ops __initdata = { + .smp_prepare_cpus = r8a7790_smp_prepare_cpus, + .smp_boot_secondary = shmobile_smp_apmu_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = shmobile_smp_cpu_disable, + .cpu_die = shmobile_smp_apmu_cpu_die, + .cpu_kill = shmobile_smp_apmu_cpu_kill, +#endif +}; diff --git a/arch/arm/mach-shmobile/smp-r8a7791.c b/arch/arm/mach-shmobile/smp-r8a7791.c new file mode 100644 index 000000000000..2df5bd190fe4 --- /dev/null +++ b/arch/arm/mach-shmobile/smp-r8a7791.c @@ -0,0 +1,62 @@ +/* + * SMP support for r8a7791 + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/smp.h> +#include <linux/io.h> +#include <asm/smp_plat.h> +#include <mach/common.h> +#include <mach/r8a7791.h> + +#define RST 0xe6160000 +#define CA15BAR 0x0020 +#define CA15RESCNT 0x0040 +#define RAM 0xe6300000 + +static void __init r8a7791_smp_prepare_cpus(unsigned int max_cpus) +{ + void __iomem *p; + u32 bar; + + /* let APMU code install data related to shmobile_boot_vector */ + shmobile_smp_apmu_prepare_cpus(max_cpus); + + /* RAM for jump stub, because BAR requires 256KB aligned address */ + p = ioremap_nocache(RAM, shmobile_boot_size); + memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); + iounmap(p); + + /* setup reset vectors */ + p = ioremap_nocache(RST, 0x63); + bar = (RAM >> 8) & 0xfffffc00; + writel_relaxed(bar, p + CA15BAR); + writel_relaxed(bar | 0x10, p + CA15BAR); + + /* enable clocks to all CPUs */ + writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, + p + CA15RESCNT); + iounmap(p); +} + +struct smp_operations r8a7791_smp_ops __initdata = { + .smp_prepare_cpus = r8a7791_smp_prepare_cpus, + .smp_boot_secondary = shmobile_smp_apmu_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = shmobile_smp_cpu_disable, + .cpu_die = shmobile_smp_apmu_cpu_die, + .cpu_kill = shmobile_smp_apmu_cpu_kill, +#endif +}; diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index 0baa24443793..13ba36a6831f 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -46,11 +46,6 @@ void __init sh73a0_register_twd(void) static int sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle) { unsigned int lcpu = cpu_logical_map(cpu); - int ret; - - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; if (((__raw_readl(PSTR) >> (4 * lcpu)) & 3) == 3) __raw_writel(1 << lcpu, WUPCR); /* wake up */ @@ -71,18 +66,11 @@ static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus) shmobile_smp_scu_prepare_cpus(max_cpus); } -#ifdef CONFIG_HOTPLUG_CPU -static int sh73a0_cpu_disable(unsigned int cpu) -{ - return 0; /* CPU0 and CPU1 supported */ -} -#endif /* CONFIG_HOTPLUG_CPU */ - struct smp_operations sh73a0_smp_ops __initdata = { .smp_prepare_cpus = sh73a0_smp_prepare_cpus, .smp_boot_secondary = sh73a0_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU - .cpu_disable = sh73a0_cpu_disable, + .cpu_disable = shmobile_smp_cpu_disable, .cpu_die = shmobile_smp_scu_cpu_die, .cpu_kill = shmobile_smp_scu_cpu_kill, #endif diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index 4fb1f03a10d1..335beb341355 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -87,8 +87,12 @@ IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) #endif #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) +# define soc_is_s3c6400() is_samsung_s3c6400() +# define soc_is_s3c6410() is_samsung_s3c6410() # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) #else +# define soc_is_s3c6400() 0 +# define soc_is_s3c6410() 0 # define soc_is_s3c64xx() 0 #endif diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 3413380086d5..8eb4799237f0 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -8,6 +8,4 @@ obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o -ifdef CONFIG_COMMON_CLK obj-$(CONFIG_ARCH_S3C64XX) += clk-s3c64xx.o -endif diff --git a/drivers/cpufreq/integrator-cpufreq.c b/drivers/cpufreq/integrator-cpufreq.c index f7c99df0880b..3d79bca47433 100644 --- a/drivers/cpufreq/integrator-cpufreq.c +++ b/drivers/cpufreq/integrator-cpufreq.c @@ -15,18 +15,19 @@ #include <linux/smp.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_address.h> -#include <mach/hardware.h> -#include <mach/platform.h> #include <asm/mach-types.h> #include <asm/hardware/icst.h> -static struct cpufreq_driver integrator_driver; +static void __iomem *cm_base; +/* The cpufreq driver only use the OSC register */ +#define INTEGRATOR_HDR_OSC_OFFSET 0x08 +#define INTEGRATOR_HDR_LOCK_OFFSET 0x14 -#define CM_ID __io_address(INTEGRATOR_HDR_ID) -#define CM_OSC __io_address(INTEGRATOR_HDR_OSC) -#define CM_STAT __io_address(INTEGRATOR_HDR_STAT) -#define CM_LOCK __io_address(INTEGRATOR_HDR_LOCK) +static struct cpufreq_driver integrator_driver; static const struct icst_params lclk_params = { .ref = 24000000, @@ -100,7 +101,7 @@ static int integrator_set_target(struct cpufreq_policy *policy, BUG_ON(cpu != smp_processor_id()); /* get current setting */ - cm_osc = __raw_readl(CM_OSC); + cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); if (machine_is_integrator()) { vco.s = (cm_osc >> 8) & 7; @@ -128,7 +129,7 @@ static int integrator_set_target(struct cpufreq_policy *policy, cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE); - cm_osc = __raw_readl(CM_OSC); + cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); if (machine_is_integrator()) { cm_osc &= 0xfffff800; @@ -138,9 +139,9 @@ static int integrator_set_target(struct cpufreq_policy *policy, } cm_osc |= vco.v; - __raw_writel(0xa05f, CM_LOCK); - __raw_writel(cm_osc, CM_OSC); - __raw_writel(0, CM_LOCK); + __raw_writel(0xa05f, cm_base + INTEGRATOR_HDR_LOCK_OFFSET); + __raw_writel(cm_osc, cm_base + INTEGRATOR_HDR_OSC_OFFSET); + __raw_writel(0, cm_base + INTEGRATOR_HDR_LOCK_OFFSET); /* * Restore the CPUs allowed mask. @@ -165,7 +166,7 @@ static unsigned int integrator_get(unsigned int cpu) BUG_ON(cpu != smp_processor_id()); /* detect memory etc. */ - cm_osc = __raw_readl(CM_OSC); + cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); if (machine_is_integrator()) { vco.s = (cm_osc >> 8) & 7; @@ -202,19 +203,43 @@ static struct cpufreq_driver integrator_driver = { .name = "integrator", }; -static int __init integrator_cpu_init(void) +static int __init integrator_cpufreq_probe(struct platform_device *pdev) { + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + cm_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!cm_base) + return -ENODEV; + return cpufreq_register_driver(&integrator_driver); } -static void __exit integrator_cpu_exit(void) +static void __exit integrator_cpufreq_remove(struct platform_device *pdev) { cpufreq_unregister_driver(&integrator_driver); } +static const struct of_device_id integrator_cpufreq_match[] = { + { .compatible = "arm,core-module-integrator"}, + { }, +}; + +static struct platform_driver integrator_cpufreq_driver = { + .driver = { + .name = "integrator-cpufreq", + .owner = THIS_MODULE, + .of_match_table = integrator_cpufreq_match, + }, + .remove = __exit_p(integrator_cpufreq_remove), +}; + +module_platform_driver_probe(integrator_cpufreq_driver, + integrator_cpufreq_probe); + MODULE_AUTHOR ("Russell M. King"); MODULE_DESCRIPTION ("cpufreq driver for ARM Integrator CPUs"); MODULE_LICENSE ("GPL"); - -module_init(integrator_cpu_init); -module_exit(integrator_cpu_exit); diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm index 8e3660322308..d6f57d5d9631 100644 --- a/drivers/cpuidle/Kconfig.arm +++ b/drivers/cpuidle/Kconfig.arm @@ -4,7 +4,7 @@ config ARM_HIGHBANK_CPUIDLE bool "CPU Idle Driver for Calxeda processors" - depends on ARCH_HIGHBANK + depends on ARM_PSCI select ARM_CPU_SUSPEND help Select this to enable cpuidle on Calxeda processors. diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c index 346058479572..36795639df0d 100644 --- a/drivers/cpuidle/cpuidle-calxeda.c +++ b/drivers/cpuidle/cpuidle-calxeda.c @@ -21,53 +21,30 @@ */ #include <linux/cpuidle.h> +#include <linux/cpu_pm.h> #include <linux/init.h> -#include <linux/io.h> -#include <linux/of.h> -#include <linux/time.h> -#include <linux/delay.h> -#include <linux/suspend.h> +#include <linux/mm.h> +#include <linux/platform_device.h> #include <asm/cpuidle.h> -#include <asm/proc-fns.h> -#include <asm/smp_scu.h> #include <asm/suspend.h> -#include <asm/cacheflush.h> -#include <asm/cp15.h> - -extern void highbank_set_cpu_jump(int cpu, void *jump_addr); -extern void __iomem *scu_base_addr; - -static noinline void calxeda_idle_restore(void) -{ - set_cr(get_cr() | CR_C); - set_auxcr(get_auxcr() | 0x40); - scu_power_mode(scu_base_addr, SCU_PM_NORMAL); -} +#include <asm/psci.h> static int calxeda_idle_finish(unsigned long val) { - /* Already flushed cache, but do it again as the outer cache functions - * dirty the cache with spinlocks */ - flush_cache_all(); - - set_auxcr(get_auxcr() & ~0x40); - set_cr(get_cr() & ~CR_C); - - scu_power_mode(scu_base_addr, SCU_PM_DORMANT); - - cpu_do_idle(); - - /* Restore things if we didn't enter power-gating */ - calxeda_idle_restore(); - return 1; + const struct psci_power_state ps = { + .type = PSCI_POWER_STATE_TYPE_POWER_DOWN, + }; + return psci_ops.cpu_suspend(ps, __pa(cpu_resume)); } static int calxeda_pwrdown_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - highbank_set_cpu_jump(smp_processor_id(), cpu_resume); + cpu_pm_enter(); cpu_suspend(0, calxeda_idle_finish); + cpu_pm_exit(); + return index; } @@ -88,11 +65,17 @@ static struct cpuidle_driver calxeda_idle_driver = { .state_count = 2, }; -static int __init calxeda_cpuidle_init(void) +static int __init calxeda_cpuidle_probe(struct platform_device *pdev) { - if (!of_machine_is_compatible("calxeda,highbank")) - return -ENODEV; - return cpuidle_register(&calxeda_idle_driver, NULL); } -module_init(calxeda_cpuidle_init); + +static struct platform_driver calxeda_cpuidle_plat_driver = { + .driver = { + .name = "cpuidle-calxeda", + .owner = THIS_MODULE, + }, + .probe = calxeda_cpuidle_probe, +}; + +module_platform_driver(calxeda_cpuidle_plat_driver); diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index f238cfd33847..56fe803adcb1 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -195,7 +195,7 @@ config SIRF_DMA config TI_EDMA bool "TI EDMA support" - depends on ARCH_DAVINCI || ARCH_OMAP + depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE select DMA_ENGINE select DMA_VIRTUAL_CHANNELS select TI_PRIV_EDMA diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 4919afa4125e..1adff32e40e2 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -47,10 +47,10 @@ static void s3c2410_start_hc(struct platform_device *dev, struct usb_hcd *hcd) dev_dbg(&dev->dev, "s3c2410_start_hc:\n"); - clk_enable(usb_clk); + clk_prepare_enable(usb_clk); mdelay(2); /* let the bus clock stabilise */ - clk_enable(clk); + clk_prepare_enable(clk); if (info != NULL) { info->hcd = hcd; @@ -75,8 +75,8 @@ static void s3c2410_stop_hc(struct platform_device *dev) (info->enable_oc)(info, 0); } - clk_disable(clk); - clk_disable(usb_clk); + clk_disable_unprepare(clk); + clk_disable_unprepare(usb_clk); } /* ohci_s3c2410_hub_status_data |