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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 18:15:25 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 18:15:25 -0800 |
commit | 770e1b035dcb6ec3f8ee69dda0815dd1e220a683 (patch) | |
tree | e6d36abfdb053fbc722aea8d7e946d6d1b93c7e1 /arch/arm/mach-ixp4xx/common.c | |
parent | d3d0b024348c040f0d6851e2e59fc961677d5169 (diff) | |
parent | 7b9dd47136c07ffd883aff6926c7b281e4c1eea4 (diff) | |
download | linux-next-770e1b035dcb6ec3f8ee69dda0815dd1e220a683.tar.gz |
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'for-linus' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (207 commits)
ARM: 7267/1: Remove BUILD_BUG_ON from asm/bug.h
ARM: 7269/1: mach-sa1100: fix sched_clock breakage
ARM: 7198/1: arm/imx6: add restart support for imx6q
ARM: restart: remove the now empty arch_reset()
ARM: restart: remove comments about adding code to arch_reset()
ARM: restart: lpc32xx & u300: remove unnecessary printk
ARM: restart: plat-samsung: remove plat/reset.h and s5p_reset_hook
ARM: restart: w90x900: use new restart hook
ARM: restart: Versatile Express: use new restart hook
ARM: restart: versatile: use new restart hook
ARM: restart: u300: use new restart hook
ARM: restart: tegra: use new restart hook
ARM: restart: spear: use new restart hook
ARM: restart: shark: use new restart hook
ARM: restart: sa1100: use new restart hook
ARM: 7252/1: restart: S5PV210: use new restart hook
ARM: 7251/1: restart: S5PC100: use new restart hook
ARM: 7250/1: restart: S5P64X0: use new restart hook
ARM: 7266/1: restart: S3C64XX: use new restart hook
ARM: 7265/1: restart: S3C24XX: use new restart hook
...
Fix up trivial conflict in arch/arm/mm/init.c due to removal of
memblock_init() clashing with the movement of the sorting of the meminfo
array.
Diffstat (limited to 'arch/arm/mach-ixp4xx/common.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/common.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index b86a0055ab96..3841ab4146ba 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/serial.h> -#include <linux/sched.h> #include <linux/tty.h> #include <linux/platform_device.h> #include <linux/serial_core.h> @@ -403,18 +402,9 @@ void __init ixp4xx_sys_init(void) /* * sched_clock() */ -static DEFINE_CLOCK_DATA(cd); - -unsigned long long notrace sched_clock(void) -{ - u32 cyc = *IXP4XX_OSTS; - return cyc_to_sched_clock(&cd, cyc, (u32)~0); -} - -static void notrace ixp4xx_update_sched_clock(void) +static u32 notrace ixp4xx_read_sched_clock(void) { - u32 cyc = *IXP4XX_OSTS; - update_sched_clock(&cd, cyc, (u32)~0); + return *IXP4XX_OSTS; } /* @@ -430,7 +420,7 @@ unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ; EXPORT_SYMBOL(ixp4xx_timer_freq); static void __init ixp4xx_clocksource_init(void) { - init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq); + setup_sched_clock(ixp4xx_read_sched_clock, 32, ixp4xx_timer_freq); clocksource_mmio_init(NULL, "OSTS", ixp4xx_timer_freq, 200, 32, ixp4xx_clocksource_read); @@ -501,3 +491,23 @@ static void __init ixp4xx_clockevent_init(void) clockevents_register_device(&clockevent_ixp4xx); } + +void ixp4xx_restart(char mode, const char *cmd) +{ + if ( 1 && mode == 's') { + /* Jump into ROM at address 0 */ + soft_restart(0); + } else { + /* Use on-chip reset capability */ + + /* set the "key" register to enable access to + * "timer" and "enable" registers + */ + *IXP4XX_OSWK = IXP4XX_WDT_KEY; + + /* write 0 to the timer register for an immediate reset */ + *IXP4XX_OSWT = 0; + + *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE; + } +} |