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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-07-08 08:36:21 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-09 11:28:53 +0100 |
| commit | 4082cfa77680a70e407efdfb207c743107bd8fe4 (patch) | |
| tree | 50220be137306502a61dfcc866c5482b14317783 /arch/arm/mm/cache-l2x0.c | |
| parent | e467e104bb7482170b79f516d2025e7cfcaaa733 (diff) | |
| download | op-kernel-dev-4082cfa77680a70e407efdfb207c743107bd8fe4.zip op-kernel-dev-4082cfa77680a70e407efdfb207c743107bd8fe4.tar.gz | |
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/arm/mm/cache-l2x0.c')
| -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 9819869..df49558 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(); |
