diff options
| author | Thara Gopinath <thara@ti.com> | 2009-12-08 16:33:15 -0700 |
|---|---|---|
| committer | paul <paul@twilight.(none)> | 2009-12-11 17:00:42 -0700 |
| commit | 3863c74b512c1afd3ce6b2f81d8dea9f1d860968 (patch) | |
| tree | 1d7d15664c0ae3a71be7949e9c52ca2f79a73811 | |
| parent | 18862cbe47e37beba98f22c088fbe6fe029df889 (diff) | |
| download | op-kernel-dev-3863c74b512c1afd3ce6b2f81d8dea9f1d860968.zip op-kernel-dev-3863c74b512c1afd3ce6b2f81d8dea9f1d860968.tar.gz | |
OMAP3: PM: Fix for MPU power domain MEM BANK position
MPU power domain bank 0 bits are displayed in position of bank 1
in PWRSTS and PREPWRSTS registers. So read them from correct
position
Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
| -rw-r--r-- | arch/arm/mach-omap2/powerdomain.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/powerdomains34xx.h | 1 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/powerdomain.h | 5 |
3 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 47d5768..26b3f3e 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -983,6 +983,9 @@ int pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank) if (pwrdm->banks < (bank + 1)) return -EEXIST; + if (pwrdm->flags & PWRDM_HAS_MPU_QUIRK) + bank = 1; + /* * The register bit names below may not correspond to the * actual names of the bits in each powerdomain's register, @@ -1030,6 +1033,9 @@ int pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank) if (pwrdm->banks < (bank + 1)) return -EEXIST; + if (pwrdm->flags & PWRDM_HAS_MPU_QUIRK) + bank = 1; + /* * The register bit names below may not correspond to the * actual names of the bits in each powerdomain's register, diff --git a/arch/arm/mach-omap2/powerdomains34xx.h b/arch/arm/mach-omap2/powerdomains34xx.h index fd09b08..588f7e0 100644 --- a/arch/arm/mach-omap2/powerdomains34xx.h +++ b/arch/arm/mach-omap2/powerdomains34xx.h @@ -190,6 +190,7 @@ static struct powerdomain mpu_34xx_pwrdm = { .wkdep_srcs = mpu_34xx_wkdeps, .pwrsts = PWRSTS_OFF_RET_ON, .pwrsts_logic_ret = PWRSTS_OFF_RET, + .flags = PWRDM_HAS_MPU_QUIRK, .banks = 1, .pwrsts_mem_ret = { [0] = PWRSTS_OFF_RET, diff --git a/arch/arm/plat-omap/include/plat/powerdomain.h b/arch/arm/plat-omap/include/plat/powerdomain.h index 56bb1b9..0b96005 100644 --- a/arch/arm/plat-omap/include/plat/powerdomain.h +++ b/arch/arm/plat-omap/include/plat/powerdomain.h @@ -42,7 +42,10 @@ /* Powerdomain flags */ #define PWRDM_HAS_HDWR_SAR (1 << 0) /* hardware save-and-restore support */ - +#define PWRDM_HAS_MPU_QUIRK (1 << 1) /* MPU pwr domain has MEM bank 0 bits + * in MEM bank 1 position. This is + * true for OMAP3430 + */ /* * Number of memory banks that are power-controllable. On OMAP3430, the |
