diff options
author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-10-20 14:49:13 +0200 |
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committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-10-24 17:24:47 +0200 |
commit | 95b8a5e0111a47e5ef780c04cb6293be33d6ee0d (patch) | |
tree | 0c54fd731b6ba11ed813b9225b4484042e281c71 /arch/mips/netlogic/xlp/ahci-init-xlp2.c | |
parent | 626bfa03729959ea9917181fb3d8ffaa1594d02a (diff) |
MIPS: Remove NETLOGIC support
No (active) developer owns this hardware, so let's remove Linux support.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/netlogic/xlp/ahci-init-xlp2.c')
-rw-r--r-- | arch/mips/netlogic/xlp/ahci-init-xlp2.c | 390 |
1 files changed, 0 insertions, 390 deletions
diff --git a/arch/mips/netlogic/xlp/ahci-init-xlp2.c b/arch/mips/netlogic/xlp/ahci-init-xlp2.c deleted file mode 100644 index c11b9c7dc7c8..000000000000 --- a/arch/mips/netlogic/xlp/ahci-init-xlp2.c +++ /dev/null @@ -1,390 +0,0 @@ -/* - * Copyright (c) 2003-2014 Broadcom Corporation - * All Rights Reserved - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the Broadcom - * license below: - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <linux/dma-mapping.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/irq.h> -#include <linux/bitops.h> -#include <linux/pci_ids.h> -#include <linux/nodemask.h> - -#include <asm/cpu.h> -#include <asm/mipsregs.h> - -#include <asm/netlogic/common.h> -#include <asm/netlogic/haldefs.h> -#include <asm/netlogic/mips-extns.h> -#include <asm/netlogic/xlp-hal/xlp.h> -#include <asm/netlogic/xlp-hal/iomap.h> - -#define SATA_CTL 0x0 -#define SATA_STATUS 0x1 /* Status Reg */ -#define SATA_INT 0x2 /* Interrupt Reg */ -#define SATA_INT_MASK 0x3 /* Interrupt Mask Reg */ -#define SATA_BIU_TIMEOUT 0x4 -#define AXIWRSPERRLOG 0x5 -#define AXIRDSPERRLOG 0x6 -#define BiuTimeoutLow 0x7 -#define BiuTimeoutHi 0x8 -#define BiuSlvErLow 0x9 -#define BiuSlvErHi 0xa -#define IO_CONFIG_SWAP_DIS 0xb -#define CR_REG_TIMER 0xc -#define CORE_ID 0xd -#define AXI_SLAVE_OPT1 0xe -#define PHY_MEM_ACCESS 0xf -#define PHY0_CNTRL 0x10 -#define PHY0_STAT 0x11 -#define PHY0_RX_ALIGN 0x12 -#define PHY0_RX_EQ_LO 0x13 -#define PHY0_RX_EQ_HI 0x14 -#define PHY0_BIST_LOOP 0x15 -#define PHY1_CNTRL 0x16 -#define PHY1_STAT 0x17 -#define PHY1_RX_ALIGN 0x18 -#define PHY1_RX_EQ_LO 0x19 -#define PHY1_RX_EQ_HI 0x1a -#define PHY1_BIST_LOOP 0x1b -#define RdExBase 0x1c -#define RdExLimit 0x1d -#define CacheAllocBase 0x1e -#define CacheAllocLimit 0x1f -#define BiuSlaveCmdGstNum 0x20 - -/*SATA_CTL Bits */ -#define SATA_RST_N BIT(0) /* Active low reset sata_core phy */ -#define SataCtlReserve0 BIT(1) -#define M_CSYSREQ BIT(2) /* AXI master low power, not used */ -#define S_CSYSREQ BIT(3) /* AXI slave low power, not used */ -#define P0_CP_DET BIT(8) /* Reserved, bring in from pad */ -#define P0_MP_SW BIT(9) /* Mech Switch */ -#define P0_DISABLE BIT(10) /* disable p0 */ -#define P0_ACT_LED_EN BIT(11) /* Active LED enable */ -#define P0_IRST_HARD_SYNTH BIT(12) /* PHY hard synth reset */ -#define P0_IRST_HARD_TXRX BIT(13) /* PHY lane hard reset */ -#define P0_IRST_POR BIT(14) /* PHY power on reset*/ -#define P0_IPDTXL BIT(15) /* PHY Tx lane dis/power down */ -#define P0_IPDRXL BIT(16) /* PHY Rx lane dis/power down */ -#define P0_IPDIPDMSYNTH BIT(17) /* PHY synthesizer dis/porwer down */ -#define P0_CP_POD_EN BIT(18) /* CP_POD enable */ -#define P0_AT_BYPASS BIT(19) /* P0 address translation by pass */ -#define P1_CP_DET BIT(20) /* Reserved,Cold Detect */ -#define P1_MP_SW BIT(21) /* Mech Switch */ -#define P1_DISABLE BIT(22) /* disable p1 */ -#define P1_ACT_LED_EN BIT(23) /* Active LED enable */ -#define P1_IRST_HARD_SYNTH BIT(24) /* PHY hard synth reset */ -#define P1_IRST_HARD_TXRX BIT(25) /* PHY lane hard reset */ -#define P1_IRST_POR BIT(26) /* PHY power on reset*/ -#define P1_IPDTXL BIT(27) /* PHY Tx lane dis/porwer down */ -#define P1_IPDRXL BIT(28) /* PHY Rx lane dis/porwer down */ -#define P1_IPDIPDMSYNTH BIT(29) /* PHY synthesizer dis/porwer down */ -#define P1_CP_POD_EN BIT(30) -#define P1_AT_BYPASS BIT(31) /* P1 address translation by pass */ - -/* Status register */ -#define M_CACTIVE BIT(0) /* m_cactive, not used */ -#define S_CACTIVE BIT(1) /* s_cactive, not used */ -#define P0_PHY_READY BIT(8) /* phy is ready */ -#define P0_CP_POD BIT(9) /* Cold PowerOn */ -#define P0_SLUMBER BIT(10) /* power mode slumber */ -#define P0_PATIAL BIT(11) /* power mode patial */ -#define P0_PHY_SIG_DET BIT(12) /* phy dignal detect */ -#define P0_PHY_CALI BIT(13) /* phy calibration done */ -#define P1_PHY_READY BIT(16) /* phy is ready */ -#define P1_CP_POD BIT(17) /* Cold PowerOn */ -#define P1_SLUMBER BIT(18) /* power mode slumber */ -#define P1_PATIAL BIT(19) /* power mode patial */ -#define P1_PHY_SIG_DET BIT(20) /* phy dignal detect */ -#define P1_PHY_CALI BIT(21) /* phy calibration done */ - -/* SATA CR_REG_TIMER bits */ -#define CR_TIME_SCALE (0x1000 << 0) - -/* SATA PHY specific registers start and end address */ -#define RXCDRCALFOSC0 0x0065 -#define CALDUTY 0x006e -#define RXDPIF 0x8065 -#define PPMDRIFTMAX_HI 0x80A4 - -#define nlm_read_sata_reg(b, r) nlm_read_reg(b, r) -#define nlm_write_sata_reg(b, r, v) nlm_write_reg(b, r, v) -#define nlm_get_sata_pcibase(node) \ - nlm_pcicfg_base(XLP9XX_IO_SATA_OFFSET(node)) -#define nlm_get_sata_regbase(node) \ - (nlm_get_sata_pcibase(node) + 0x100) - -/* SATA PHY config for register block 1 0x0065 .. 0x006e */ -static const u8 sata_phy_config1[] = { - 0xC9, 0xC9, 0x07, 0x07, 0x18, 0x18, 0x01, 0x01, 0x22, 0x00 -}; - -/* SATA PHY config for register block 2 0x8065 .. 0x80A4 */ -static const u8 sata_phy_config2[] = { - 0xAA, 0x00, 0x4C, 0xC9, 0xC9, 0x07, 0x07, 0x18, - 0x18, 0x05, 0x0C, 0x10, 0x00, 0x10, 0x00, 0xFF, - 0xCF, 0xF7, 0xE1, 0xF5, 0xFD, 0xFD, 0xFF, 0xFF, - 0xFF, 0xFF, 0xE3, 0xE7, 0xDB, 0xF5, 0xFD, 0xFD, - 0xF5, 0xF5, 0xFF, 0xFF, 0xE3, 0xE7, 0xDB, 0xF5, - 0xFD, 0xFD, 0xF5, 0xF5, 0xFF, 0xFF, 0xFF, 0xF5, - 0x3F, 0x00, 0x32, 0x00, 0x03, 0x01, 0x05, 0x05, - 0x04, 0x00, 0x00, 0x08, 0x04, 0x00, 0x00, 0x04, -}; - -const int sata_phy_debug = 0; /* set to verify PHY writes */ - -static void sata_clear_glue_reg(u64 regbase, u32 off, u32 bit) -{ - u32 reg_val; - - reg_val = nlm_read_sata_reg(regbase, off); - nlm_write_sata_reg(regbase, off, (reg_val & ~bit)); -} - -static void sata_set_glue_reg(u64 regbase, u32 off, u32 bit) -{ - u32 reg_val; - - reg_val = nlm_read_sata_reg(regbase, off); - nlm_write_sata_reg(regbase, off, (reg_val | bit)); -} - -static void write_phy_reg(u64 regbase, u32 addr, u32 physel, u8 data) -{ - nlm_write_sata_reg(regbase, PHY_MEM_ACCESS, - (1u << 31) | (physel << 24) | (data << 16) | addr); - udelay(850); -} - -static u8 read_phy_reg(u64 regbase, u32 addr, u32 physel) -{ - u32 val; - - nlm_write_sata_reg(regbase, PHY_MEM_ACCESS, - (0 << 31) | (physel << 24) | (0 << 16) | addr); - udelay(850); - val = nlm_read_sata_reg(regbase, PHY_MEM_ACCESS); - return (val >> 16) & 0xff; -} - -static void config_sata_phy(u64 regbase) -{ - u32 port, i, reg; - u8 val; - - for (port = 0; port < 2; port++) { - for (i = 0, reg = RXCDRCALFOSC0; reg <= CALDUTY; reg++, i++) - write_phy_reg(regbase, reg, port, sata_phy_config1[i]); - - for (i = 0, reg = RXDPIF; reg <= PPMDRIFTMAX_HI; reg++, i++) - write_phy_reg(regbase, reg, port, sata_phy_config2[i]); - - /* Fix for PHY link up failures at lower temperatures */ - write_phy_reg(regbase, 0x800F, port, 0x1f); - - val = read_phy_reg(regbase, 0x0029, port); - write_phy_reg(regbase, 0x0029, port, val | (0x7 << 1)); - - val = read_phy_reg(regbase, 0x0056, port); - write_phy_reg(regbase, 0x0056, port, val & ~(1 << 3)); - - val = read_phy_reg(regbase, 0x0018, port); - write_phy_reg(regbase, 0x0018, port, val & ~(0x7 << 0)); - } -} - -static void check_phy_register(u64 regbase, u32 addr, u32 physel, u8 xdata) -{ - u8 data; - - data = read_phy_reg(regbase, addr, physel); - pr_info("PHY read addr = 0x%x physel = %d data = 0x%x %s\n", - addr, physel, data, data == xdata ? "TRUE" : "FALSE"); -} - -static void verify_sata_phy_config(u64 regbase) -{ - u32 port, i, reg; - - for (port = 0; port < 2; port++) { - for (i = 0, reg = RXCDRCALFOSC0; reg <= CALDUTY; reg++, i++) - check_phy_register(regbase, reg, port, - sata_phy_config1[i]); - - for (i = 0, reg = RXDPIF; reg <= PPMDRIFTMAX_HI; reg++, i++) - check_phy_register(regbase, reg, port, - sata_phy_config2[i]); - } -} - -static void nlm_sata_firmware_init(int node) -{ - u32 reg_val; - u64 regbase; - int n; - - pr_info("Initializing XLP9XX On-chip AHCI...\n"); - regbase = nlm_get_sata_regbase(node); - - /* Reset port0 */ - sata_clear_glue_reg(regbase, SATA_CTL, P0_IRST_POR); - sata_clear_glue_reg(regbase, SATA_CTL, P0_IRST_HARD_TXRX); - sata_clear_glue_reg(regbase, SATA_CTL, P0_IRST_HARD_SYNTH); - sata_clear_glue_reg(regbase, SATA_CTL, P0_IPDTXL); - sata_clear_glue_reg(regbase, SATA_CTL, P0_IPDRXL); - sata_clear_glue_reg(regbase, SATA_CTL, P0_IPDIPDMSYNTH); - - /* port1 */ - sata_clear_glue_reg(regbase, SATA_CTL, P1_IRST_POR); - sata_clear_glue_reg(regbase, SATA_CTL, P1_IRST_HARD_TXRX); - sata_clear_glue_reg(regbase, SATA_CTL, P1_IRST_HARD_SYNTH); - sata_clear_glue_reg(regbase, SATA_CTL, P1_IPDTXL); - sata_clear_glue_reg(regbase, SATA_CTL, P1_IPDRXL); - sata_clear_glue_reg(regbase, SATA_CTL, P1_IPDIPDMSYNTH); - udelay(300); - - /* Set PHY */ - sata_set_glue_reg(regbase, SATA_CTL, P0_IPDTXL); - sata_set_glue_reg(regbase, SATA_CTL, P0_IPDRXL); - sata_set_glue_reg(regbase, SATA_CTL, P0_IPDIPDMSYNTH); - sata_set_glue_reg(regbase, SATA_CTL, P1_IPDTXL); - sata_set_glue_reg(regbase, SATA_CTL, P1_IPDRXL); - sata_set_glue_reg(regbase, SATA_CTL, P1_IPDIPDMSYNTH); - - udelay(1000); - sata_set_glue_reg(regbase, SATA_CTL, P0_IRST_POR); - udelay(1000); - sata_set_glue_reg(regbase, SATA_CTL, P1_IRST_POR); - udelay(1000); - - /* setup PHY */ - config_sata_phy(regbase); - if (sata_phy_debug) - verify_sata_phy_config(regbase); - - udelay(1000); - sata_set_glue_reg(regbase, SATA_CTL, P0_IRST_HARD_TXRX); - sata_set_glue_reg(regbase, SATA_CTL, P0_IRST_HARD_SYNTH); - sata_set_glue_reg(regbase, SATA_CTL, P1_IRST_HARD_TXRX); - sata_set_glue_reg(regbase, SATA_CTL, P1_IRST_HARD_SYNTH); - udelay(300); - - /* Override reset in serial PHY mode */ - sata_set_glue_reg(regbase, CR_REG_TIMER, CR_TIME_SCALE); - /* Set reset SATA */ - sata_set_glue_reg(regbase, SATA_CTL, SATA_RST_N); - sata_set_glue_reg(regbase, SATA_CTL, M_CSYSREQ); - sata_set_glue_reg(regbase, SATA_CTL, S_CSYSREQ); - - pr_debug("Waiting for PHYs to come up.\n"); - n = 10000; - do { - reg_val = nlm_read_sata_reg(regbase, SATA_STATUS); - if ((reg_val & P1_PHY_READY) && (reg_val & P0_PHY_READY)) - break; - udelay(10); - } while (--n > 0); - - if (reg_val & P0_PHY_READY) - pr_info("PHY0 is up.\n"); - else - pr_info("PHY0 is down.\n"); - if (reg_val & P1_PHY_READY) - pr_info("PHY1 is up.\n"); - else - pr_info("PHY1 is down.\n"); - - pr_info("XLP AHCI Init Done.\n"); -} - -static int __init nlm_ahci_init(void) -{ - int node; - - if (!cpu_is_xlp9xx()) - return 0; - for (node = 0; node < NLM_NR_NODES; node++) - if (nlm_node_present(node)) - nlm_sata_firmware_init(node); - return 0; -} - -static void nlm_sata_intr_ack(struct irq_data *data) -{ - u64 regbase; - u32 val; - int node; - - node = data->irq / NLM_IRQS_PER_NODE; - regbase = nlm_get_sata_regbase(node); - val = nlm_read_sata_reg(regbase, SATA_INT); - sata_set_glue_reg(regbase, SATA_INT, val); -} - -static void nlm_sata_fixup_bar(struct pci_dev *dev) -{ - dev->resource[5] = dev->resource[0]; - memset(&dev->resource[0], 0, sizeof(dev->resource[0])); -} - -static void nlm_sata_fixup_final(struct pci_dev *dev) -{ - u32 val; - u64 regbase; - int node; - - /* Find end bridge function to find node */ - node = xlp_socdev_to_node(dev); - regbase = nlm_get_sata_regbase(node); - - /* clear pending interrupts and then enable them */ - val = nlm_read_sata_reg(regbase, SATA_INT); - sata_set_glue_reg(regbase, SATA_INT, val); - - /* Enable only the core interrupt */ - sata_set_glue_reg(regbase, SATA_INT_MASK, 0x1); - - dev->irq = nlm_irq_to_xirq(node, PIC_SATA_IRQ); - nlm_set_pic_extra_ack(node, PIC_SATA_IRQ, nlm_sata_intr_ack); -} - -arch_initcall(nlm_ahci_init); - -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_XLP9XX_SATA, - nlm_sata_fixup_bar); - -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_XLP9XX_SATA, - nlm_sata_fixup_final); |