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yaml
---
r: 201382
b: refs/heads/master
c: 6775a55
h: refs/heads/master
v: v3
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Catalin Marinas authored and Russell King committed Jul 29, 2010
1 parent e225f17 commit 20f9229
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Showing 2 changed files with 14 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e936771a76a7b61ca55a5142a3de835c2e196871
refs/heads/master: 6775a558fece413376e1dacd435adb5fbe225f40
26 changes: 13 additions & 13 deletions trunk/arch/arm/mm/cache-l2x0.c
Original file line number Diff line number Diff line change
Expand Up @@ -32,29 +32,29 @@ 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);
}

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
Expand All @@ -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

Expand All @@ -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

Expand All @@ -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);
Expand Down Expand Up @@ -215,8 +215,8 @@ 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;
Expand Down Expand Up @@ -248,15 +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 */
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;
Expand Down

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