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| author | Anton Arapov <anton@redhat.com> | 2012-04-16 10:05:28 +0200 |
|---|---|---|
| committer | Anton Arapov <anton@redhat.com> | 2012-04-16 10:05:28 +0200 |
| commit | b4b6116a13633898cf868f2f103c96a90c4c20f8 (patch) | |
| tree | 93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-omap1/reset.c | |
| parent | edd4be777c953e5faafc80d091d3084b4343f5d3 (diff) | |
| download | kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.gz kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.xz kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.zip | |
fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-omap1/reset.c')
| -rw-r--r-- | arch/arm/mach-omap1/reset.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/reset.c b/arch/arm/mach-omap1/reset.c new file mode 100644 index 00000000000..91d199b6497 --- /dev/null +++ b/arch/arm/mach-omap1/reset.c @@ -0,0 +1,22 @@ +/* + * OMAP1 reset support + */ +#include <linux/kernel.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <plat/prcm.h> + +void omap1_restart(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); +} |