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author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 14:06:36 +0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 14:06:36 +0400 |
commit | a18f22a968de17b29f2310cdb7ba69163e65ec15 (patch) | |
tree | a7d56d88fad5e444d7661484109758a2f436129e /arch/arm/mach-omap1/reset.c | |
parent | a1c57e0fec53defe745e64417eacdbd3618c3e66 (diff) | |
parent | 798778b8653f64b7b2162ac70eca10367cff6ce8 (diff) | |
download | linux-a18f22a968de17b29f2310cdb7ba69163e65ec15.tar.xz |
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/mach-omap1/reset.c')
-rw-r--r-- | arch/arm/mach-omap1/reset.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c new file mode 100644 index 000000000000..ad951ee69205 --- /dev/null +++ b/arch/arm/mach-omap1/reset.c @@ -0,0 +1,25 @@ +/* + * OMAP1 reset support + */ +#include <linux/kernel.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <mach/system.h> +#include <plat/prcm.h> + +void omap1_arch_reset(char mode, const char *cmd) +{ + /* + * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 + * "Global Software Reset Affects Traffic Controller Frequency". + */ + if (cpu_is_omap5912()) { + omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL); + omap_writew(0x8, ARM_RSTCT1); + } + + omap_writew(1, ARM_RSTCT1); +} + +void (*arch_reset)(char, const char *) = omap1_arch_reset; |