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| author | David S. Miller <davem@davemloft.net> | 2011-03-04 08:27:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-04 08:27:42 +0300 |
| commit | 0a0e9ae1bd788bc19adc4d4ae08c98b233697402 (patch) | |
| tree | 13825eeb5bbeae27d66e95f12168eff4b60701ab /arch/arm/mm | |
| parent | 01a16b21d6adf992aa863186c3c4e561a57c1714 (diff) | |
| parent | b65a0e0c84cf489bfa00d6aa6c48abc5a237100f (diff) | |
| download | linux-0a0e9ae1bd788bc19adc4d4ae08c98b233697402.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bnx2x/bnx2x.h
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 6 | ||||
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 170c9bb95866..f2ce38e085d2 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -49,7 +49,13 @@ static inline void cache_wait(void __iomem *reg, unsigned long mask) static inline void cache_sync(void) { void __iomem *base = l2x0_base; + +#ifdef CONFIG_ARM_ERRATA_753970 + /* write to an unmmapped register */ + writel_relaxed(0, base + L2X0_DUMMY_REG); +#else writel_relaxed(0, base + L2X0_CACHE_SYNC); +#endif cache_wait(base + L2X0_CACHE_SYNC, 1); } diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 0c1172b56b4e..8e3356239136 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -264,6 +264,12 @@ __v7_setup: orreq r10, r10, #1 << 6 @ set bit #6 mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register #endif +#ifdef CONFIG_ARM_ERRATA_751472 + cmp r6, #0x30 @ present prior to r3p0 + mrclt p15, 0, r10, c15, c0, 1 @ read diagnostic register + orrlt r10, r10, #1 << 11 @ set bit #11 + mcrlt p15, 0, r10, c15, c0, 1 @ write diagnostic register +#endif 3: mov r10, #0 #ifdef HARVARD_CACHE |