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Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
-rw-r--r--arch/sh/mm/cache-sh4.c27
1 files changed, 10 insertions, 17 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 560ddb6bc8a..2cfae81914a 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -36,7 +36,7 @@ static void __flush_cache_one(unsigned long addr, unsigned long phys,
* Called from kernel/module.c:sys_init_module and routine for a.out format,
* signal handler code and kprobes code
*/
-static void __uses_jump_to_uncached sh4_flush_icache_range(void *args)
+static void sh4_flush_icache_range(void *args)
{
struct flusher_data *data = args;
unsigned long start, end;
@@ -109,6 +109,7 @@ static inline void flush_cache_one(unsigned long start, unsigned long phys)
static void sh4_flush_dcache_page(void *arg)
{
struct page *page = arg;
+ unsigned long addr = (unsigned long)page_address(page);
#ifndef CONFIG_SMP
struct address_space *mapping = page_mapping(page);
@@ -116,22 +117,14 @@ static void sh4_flush_dcache_page(void *arg)
set_bit(PG_dcache_dirty, &page->flags);
else
#endif
- {
- unsigned long phys = page_to_phys(page);
- unsigned long addr = CACHE_OC_ADDRESS_ARRAY;
- int i, n;
-
- /* Loop all the D-cache */
- n = boot_cpu_data.dcache.n_aliases;
- for (i = 0; i < n; i++, addr += PAGE_SIZE)
- flush_cache_one(addr, phys);
- }
+ flush_cache_one(CACHE_OC_ADDRESS_ARRAY |
+ (addr & shm_align_mask), page_to_phys(page));
wmb();
}
/* TODO: Selective icache invalidation through IC address array.. */
-static void __uses_jump_to_uncached flush_icache_all(void)
+static void flush_icache_all(void)
{
unsigned long flags, ccr;
@@ -139,9 +132,9 @@ static void __uses_jump_to_uncached flush_icache_all(void)
jump_to_uncached();
/* Flush I-cache */
- ccr = ctrl_inl(CCR);
+ ccr = __raw_readl(CCR);
ccr |= CCR_CACHE_ICI;
- ctrl_outl(ccr, CCR);
+ __raw_writel(ccr, CCR);
/*
* back_to_cached() will take care of the barrier for us, don't add
@@ -384,9 +377,9 @@ extern void __weak sh4__flush_region_init(void);
void __init sh4_cache_init(void)
{
printk("PVR=%08x CVR=%08x PRR=%08x\n",
- ctrl_inl(CCN_PVR),
- ctrl_inl(CCN_CVR),
- ctrl_inl(CCN_PRR));
+ __raw_readl(CCN_PVR),
+ __raw_readl(CCN_CVR),
+ __raw_readl(CCN_PRR));
local_flush_icache_range = sh4_flush_icache_range;
local_flush_dcache_page = sh4_flush_dcache_page;