diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch_timer.h | 36 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/pci.h | 4 | ||||
| -rw-r--r-- | arch/arm/include/asm/sched_clock.h | 4 | ||||
| -rw-r--r-- | arch/arm/include/debug/vf.S | 26 | ||||
| -rw-r--r-- | arch/arm/include/uapi/asm/hwcap.h | 1 |
6 files changed, 59 insertions, 13 deletions
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 59ceae8f3c95..1a7024b41351 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -32,3 +32,4 @@ generic-y += termios.h generic-y += timex.h generic-y += trace_clock.h generic-y += unaligned.h +generic-y += preempt.h diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h index 5665134bfa3e..0704e0cf5571 100644 --- a/arch/arm/include/asm/arch_timer.h +++ b/arch/arm/include/asm/arch_timer.h @@ -87,17 +87,43 @@ static inline u64 arch_counter_get_cntvct(void) return cval; } -static inline void arch_counter_set_user_access(void) +static inline u32 arch_timer_get_cntkctl(void) { u32 cntkctl; - asm volatile("mrc p15, 0, %0, c14, c1, 0" : "=r" (cntkctl)); + return cntkctl; +} - /* disable user access to everything */ - cntkctl &= ~((3 << 8) | (7 << 0)); - +static inline void arch_timer_set_cntkctl(u32 cntkctl) +{ asm volatile("mcr p15, 0, %0, c14, c1, 0" : : "r" (cntkctl)); } + +static inline void arch_counter_set_user_access(void) +{ + u32 cntkctl = arch_timer_get_cntkctl(); + + /* Disable user access to both physical/virtual counters/timers */ + /* Also disable virtual event stream */ + cntkctl &= ~(ARCH_TIMER_USR_PT_ACCESS_EN + | ARCH_TIMER_USR_VT_ACCESS_EN + | ARCH_TIMER_VIRT_EVT_EN + | ARCH_TIMER_USR_VCT_ACCESS_EN + | ARCH_TIMER_USR_PCT_ACCESS_EN); + arch_timer_set_cntkctl(cntkctl); +} + +static inline void arch_timer_evtstrm_enable(int divider) +{ + u32 cntkctl = arch_timer_get_cntkctl(); + cntkctl &= ~ARCH_TIMER_EVT_TRIGGER_MASK; + /* Set the divider and enable virtual event stream */ + cntkctl |= (divider << ARCH_TIMER_EVT_TRIGGER_SHIFT) + | ARCH_TIMER_VIRT_EVT_EN; + arch_timer_set_cntkctl(cntkctl); + elf_hwcap |= HWCAP_EVTSTRM; +} + #endif #endif diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 454d642a4070..7fc42784becb 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -106,8 +106,4 @@ extern int dc21285_setup(int nr, struct pci_sys_data *); extern void dc21285_preinit(void); extern void dc21285_postinit(void); -extern struct pci_ops via82c505_ops; -extern int via82c505_setup(int nr, struct pci_sys_data *); -extern void via82c505_init(void *sysdata); - #endif /* __ASM_MACH_PCI_H */ diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h deleted file mode 100644 index 2389b71a8e7c..000000000000 --- a/arch/arm/include/asm/sched_clock.h +++ /dev/null @@ -1,4 +0,0 @@ -/* You shouldn't include this file. Use linux/sched_clock.h instead. - * Temporary file until all asm/sched_clock.h users are gone - */ -#include <linux/sched_clock.h> diff --git a/arch/arm/include/debug/vf.S b/arch/arm/include/debug/vf.S new file mode 100644 index 000000000000..ba12cc44b2cb --- /dev/null +++ b/arch/arm/include/debug/vf.S @@ -0,0 +1,26 @@ +/* + * Copyright 2013 Freescale Semiconductor, 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. + * + */ + + .macro addruart, rp, rv, tmp + ldr \rp, =0x40028000 @ physical + ldr \rv, =0xfe028000 @ virtual + .endm + + .macro senduart, rd, rx + strb \rd, [\rx, #0x7] @ Data Register + .endm + + .macro busyuart, rd, rx +1001: ldrb \rd, [\rx, #0x4] @ Status Register 1 + tst \rd, #1 << 6 @ TC + beq 1001b @ wait until transmit done + .endm + + .macro waituart,rd,rx + .endm diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h index 6d34d080372a..7dcc10d67253 100644 --- a/arch/arm/include/uapi/asm/hwcap.h +++ b/arch/arm/include/uapi/asm/hwcap.h @@ -26,5 +26,6 @@ #define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */ #define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT) #define HWCAP_LPAE (1 << 20) +#define HWCAP_EVTSTRM (1 << 21) #endif /* _UAPI__ASMARM_HWCAP_H */ |