diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-07-08 09:36:21 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-09 12:28:53 +0200 |
| commit | 4082cfa77680a70e407efdfb207c743107bd8fe4 (patch) | |
| tree | 50220be137306502a61dfcc866c5482b14317783 /arch | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rol... (diff) | |
| download | linux-4082cfa77680a70e407efdfb207c743107bd8fe4.tar.xz linux-4082cfa77680a70e407efdfb207c743107bd8fe4.zip | |
ARM: 6210/1: Do not rely on reset defaults of L2X0_AUX_CTRL
On i.MX35 the L2X0_AUX_CTRL register does not have sensible reset
default values. Allow them to be overwritten with the aux_val/aux_mask
arguments passed to l2x0_init().
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 9819869d2bc9..df4955885b21 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -218,6 +218,9 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) cache_id = readl(l2x0_base + L2X0_CACHE_ID); aux = readl(l2x0_base + L2X0_AUX_CTRL); + aux &= aux_mask; + aux |= aux_val; + /* Determine the number of ways */ switch (cache_id & L2X0_CACHE_ID_PART_MASK) { case L2X0_CACHE_ID_PART_L310: @@ -248,8 +251,6 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) if (!(readl(l2x0_base + L2X0_CTRL) & 1)) { /* l2x0 controller is disabled */ - aux &= aux_mask; - aux |= aux_val; writel(aux, l2x0_base + L2X0_AUX_CTRL); l2x0_inv_all(); |