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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-16 21:42:58 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-16 21:42:58 +0400
commite4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch)
tree1db5a0540a4eecfad9b7daee476b985e82ddc810 /arch/arm/mm/cache-l2x0.c
parentec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff)
parentb2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff)
downloadlinux-e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a.tar.xz
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I suspect now need another rename. Conflicts: arch/arm/mach-mx2/clock_imx27.c arch/arm/mach-mx2/devices.c arch/arm/mach-omap2/board-rx51-peripherals.c arch/arm/mach-omap2/board-zoom2.c sound/soc/fsl/mpc5200_dma.c sound/soc/fsl/mpc5200_dma.h sound/soc/fsl/mpc8610_hpcd.c sound/soc/pxa/spitz.c
Diffstat (limited to 'arch/arm/mm/cache-l2x0.c')
-rw-r--r--arch/arm/mm/cache-l2x0.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 9819869d2bc9..9982eb385c0f 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -32,14 +32,14 @@ static uint32_t l2x0_way_mask; /* Bitmask of active ways */
static inline void cache_wait(void __iomem *reg, unsigned long mask)
{
/* wait for the operation to complete */
- while (readl(reg) & mask)
+ while (readl_relaxed(reg) & mask)
;
}
static inline void cache_sync(void)
{
void __iomem *base = l2x0_base;
- writel(0, base + L2X0_CACHE_SYNC);
+ writel_relaxed(0, base + L2X0_CACHE_SYNC);
cache_wait(base + L2X0_CACHE_SYNC, 1);
}
@@ -47,14 +47,14 @@ static inline void l2x0_clean_line(unsigned long addr)
{
void __iomem *base = l2x0_base;
cache_wait(base + L2X0_CLEAN_LINE_PA, 1);
- writel(addr, base + L2X0_CLEAN_LINE_PA);
+ writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA);
}
static inline void l2x0_inv_line(unsigned long addr)
{
void __iomem *base = l2x0_base;
cache_wait(base + L2X0_INV_LINE_PA, 1);
- writel(addr, base + L2X0_INV_LINE_PA);
+ writel_relaxed(addr, base + L2X0_INV_LINE_PA);
}
#ifdef CONFIG_PL310_ERRATA_588369
@@ -75,9 +75,9 @@ static inline void l2x0_flush_line(unsigned long addr)
/* Clean by PA followed by Invalidate by PA */
cache_wait(base + L2X0_CLEAN_LINE_PA, 1);
- writel(addr, base + L2X0_CLEAN_LINE_PA);
+ writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA);
cache_wait(base + L2X0_INV_LINE_PA, 1);
- writel(addr, base + L2X0_INV_LINE_PA);
+ writel_relaxed(addr, base + L2X0_INV_LINE_PA);
}
#else
@@ -90,7 +90,7 @@ static inline void l2x0_flush_line(unsigned long addr)
{
void __iomem *base = l2x0_base;
cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1);
- writel(addr, base + L2X0_CLEAN_INV_LINE_PA);
+ writel_relaxed(addr, base + L2X0_CLEAN_INV_LINE_PA);
}
#endif
@@ -109,7 +109,7 @@ static inline void l2x0_inv_all(void)
/* invalidate all ways */
spin_lock_irqsave(&l2x0_lock, flags);
- writel(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
+ writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask);
cache_sync();
spin_unlock_irqrestore(&l2x0_lock, flags);
@@ -215,8 +215,11 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
l2x0_base = base;
- cache_id = readl(l2x0_base + L2X0_CACHE_ID);
- aux = readl(l2x0_base + L2X0_AUX_CTRL);
+ cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID);
+ aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL);
+
+ aux &= aux_mask;
+ aux |= aux_val;
/* Determine the number of ways */
switch (cache_id & L2X0_CACHE_ID_PART_MASK) {
@@ -245,17 +248,15 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
* If you are booting from non-secure mode
* accessing the below registers will fault.
*/
- if (!(readl(l2x0_base + L2X0_CTRL) & 1)) {
+ if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) {
/* l2x0 controller is disabled */
- aux &= aux_mask;
- aux |= aux_val;
- writel(aux, l2x0_base + L2X0_AUX_CTRL);
+ writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL);
l2x0_inv_all();
/* enable L2X0 */
- writel(1, l2x0_base + L2X0_CTRL);
+ writel_relaxed(1, l2x0_base + L2X0_CTRL);
}
outer_cache.inv_range = l2x0_inv_range;