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| author | Colin Cross <ccross@android.com> | 2011-05-25 15:18:28 -0700 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2011-05-27 14:03:34 -0700 |
| commit | 4bd1e6004b0891e75888a47af8c5705850b9b39e (patch) | |
| tree | 4b17ed6cb8c3d5325452e948f22506efe911d2aa | |
| parent | e66c6b7029729a2789a040e49a1b0c074417127e (diff) | |
| download | omap-sandbox/ccross/linux-omap-4460-2.6.39.tar.gz | |
ARM: omap4: Disable every other cache way on 4460sandbox/ccross/linux-omap-4460-2.6.39
Works around an unknown problem in the PL310
Change-Id: Ib030e18bea911af34507854636bd64affb5d6a56
Signed-off-by: Colin Cross <ccross@android.com>
| -rw-r--r-- | arch/arm/mach-omap2/omap4-common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 9ef8c29dd817..e1dbf3b7a089 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -95,6 +95,13 @@ static int __init omap_l2_cache_init(void) if (omap_rev() != OMAP4430_REV_ES1_0) omap_smc1(0x109, aux_ctrl); + if (cpu_is_omap446x()) { + writel_relaxed(0xa5a5, l2cache_base + 0x900); + writel_relaxed(0xa5a5, l2cache_base + 0x908); + writel_relaxed(0xa5a5, l2cache_base + 0x904); + writel_relaxed(0xa5a5, l2cache_base + 0x90C); + } + /* Enable PL310 L2 Cache controller */ omap_smc1(0x102, 0x1); |