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-rw-r--r--arch/mips/mm/c-r4k.c104
-rw-r--r--arch/mips/mm/c-tx39.c70
2 files changed, 23 insertions, 151 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index e51c38cef88..1b71d91e826 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -471,61 +471,29 @@ struct flush_icache_range_args {
static inline void local_r4k_flush_icache_range(void *args)
{
struct flush_icache_range_args *fir_args = args;
- unsigned long dc_lsize = cpu_dcache_line_size();
- unsigned long ic_lsize = cpu_icache_line_size();
- unsigned long sc_lsize = cpu_scache_line_size();
unsigned long start = fir_args->start;
unsigned long end = fir_args->end;
- unsigned long addr, aend;
if (!cpu_has_ic_fills_f_dc) {
if (end - start > dcache_size) {
r4k_blast_dcache();
} else {
R4600_HIT_CACHEOP_WAR_IMPL;
- addr = start & ~(dc_lsize - 1);
- aend = (end - 1) & ~(dc_lsize - 1);
-
- while (1) {
- /* Hit_Writeback_Inv_D */
- protected_writeback_dcache_line(addr);
- if (addr == aend)
- break;
- addr += dc_lsize;
- }
+ protected_blast_dcache_range(start, end);
}
if (!cpu_icache_snoops_remote_store) {
- if (end - start > scache_size) {
+ if (end - start > scache_size)
r4k_blast_scache();
- } else {
- addr = start & ~(sc_lsize - 1);
- aend = (end - 1) & ~(sc_lsize - 1);
-
- while (1) {
- /* Hit_Writeback_Inv_SD */
- protected_writeback_scache_line(addr);
- if (addr == aend)
- break;
- addr += sc_lsize;
- }
- }
+ else
+ protected_blast_scache_range(start, end);
}
}
if (end - start > icache_size)
r4k_blast_icache();
- else {
- addr = start & ~(ic_lsize - 1);
- aend = (end - 1) & ~(ic_lsize - 1);
- while (1) {
- /* Hit_Invalidate_I */
- protected_flush_icache_line(addr);
- if (addr == aend)
- break;
- addr += ic_lsize;
- }
- }
+ else
+ protected_blast_icache_range(start, end);
}
static void r4k_flush_icache_range(unsigned long start, unsigned long end)
@@ -619,27 +587,14 @@ static void r4k_flush_icache_page(struct vm_area_struct *vma,
static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
{
- unsigned long end, a;
-
/* Catch bad driver code */
BUG_ON(size == 0);
if (cpu_has_subset_pcaches) {
- unsigned long sc_lsize = cpu_scache_line_size();
-
- if (size >= scache_size) {
+ if (size >= scache_size)
r4k_blast_scache();
- return;
- }
-
- a = addr & ~(sc_lsize - 1);
- end = (addr + size - 1) & ~(sc_lsize - 1);
- while (1) {
- flush_scache_line(a); /* Hit_Writeback_Inv_SD */
- if (a == end)
- break;
- a += sc_lsize;
- }
+ else
+ blast_scache_range(addr, addr + size);
return;
}
@@ -651,17 +606,8 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
if (size >= dcache_size) {
r4k_blast_dcache();
} else {
- unsigned long dc_lsize = cpu_dcache_line_size();
-
R4600_HIT_CACHEOP_WAR_IMPL;
- a = addr & ~(dc_lsize - 1);
- end = (addr + size - 1) & ~(dc_lsize - 1);
- while (1) {
- flush_dcache_line(a); /* Hit_Writeback_Inv_D */
- if (a == end)
- break;
- a += dc_lsize;
- }
+ blast_dcache_range(addr, addr + size);
}
bc_wback_inv(addr, size);
@@ -669,44 +615,22 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
{
- unsigned long end, a;
-
/* Catch bad driver code */
BUG_ON(size == 0);
if (cpu_has_subset_pcaches) {
- unsigned long sc_lsize = cpu_scache_line_size();
-
- if (size >= scache_size) {
+ if (size >= scache_size)
r4k_blast_scache();
- return;
- }
-
- a = addr & ~(sc_lsize - 1);
- end = (addr + size - 1) & ~(sc_lsize - 1);
- while (1) {
- flush_scache_line(a); /* Hit_Writeback_Inv_SD */
- if (a == end)
- break;
- a += sc_lsize;
- }
+ else
+ blast_scache_range(addr, addr + size);
return;
}
if (size >= dcache_size) {
r4k_blast_dcache();
} else {
- unsigned long dc_lsize = cpu_dcache_line_size();
-
R4600_HIT_CACHEOP_WAR_IMPL;
- a = addr & ~(dc_lsize - 1);
- end = (addr + size - 1) & ~(dc_lsize - 1);
- while (1) {
- flush_dcache_line(a); /* Hit_Writeback_Inv_D */
- if (a == end)
- break;
- a += dc_lsize;
- }
+ blast_dcache_range(addr, addr + size);
}
bc_inv(addr, size);
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index 0a97a9434eb..7c572bea4a9 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -44,8 +44,6 @@ __asm__ __volatile__( \
/* TX39H-style cache flush routines. */
static void tx39h_flush_icache_all(void)
{
- unsigned long start = KSEG0;
- unsigned long end = (start + icache_size);
unsigned long flags, config;
/* disable icache (set ICE#) */
@@ -53,33 +51,18 @@ static void tx39h_flush_icache_all(void)
config = read_c0_conf();
write_c0_conf(config & ~TX39_CONF_ICE);
TX39_STOP_STREAMING();
-
- /* invalidate icache */
- while (start < end) {
- cache16_unroll32(start, Index_Invalidate_I);
- start += 0x200;
- }
-
+ blast_icache16();
write_c0_conf(config);
local_irq_restore(flags);
}
static void tx39h_dma_cache_wback_inv(unsigned long addr, unsigned long size)
{
- unsigned long end, a;
- unsigned long dc_lsize = current_cpu_data.dcache.linesz;
-
/* Catch bad driver code */
BUG_ON(size == 0);
iob();
- a = addr & ~(dc_lsize - 1);
- end = (addr + size - 1) & ~(dc_lsize - 1);
- while (1) {
- invalidate_dcache_line(a); /* Hit_Invalidate_D */
- if (a == end) break;
- a += dc_lsize;
- }
+ blast_inv_dcache_range(addr, addr + size);
}
@@ -241,42 +224,21 @@ static void tx39_flush_data_cache_page(unsigned long addr)
static void tx39_flush_icache_range(unsigned long start, unsigned long end)
{
- unsigned long dc_lsize = current_cpu_data.dcache.linesz;
- unsigned long addr, aend;
-
if (end - start > dcache_size)
tx39_blast_dcache();
- else {
- addr = start & ~(dc_lsize - 1);
- aend = (end - 1) & ~(dc_lsize - 1);
-
- while (1) {
- /* Hit_Writeback_Inv_D */
- protected_writeback_dcache_line(addr);
- if (addr == aend)
- break;
- addr += dc_lsize;
- }
- }
+ else
+ protected_blast_dcache_range(start, end);
if (end - start > icache_size)
tx39_blast_icache();
else {
unsigned long flags, config;
- addr = start & ~(dc_lsize - 1);
- aend = (end - 1) & ~(dc_lsize - 1);
/* disable icache (set ICE#) */
local_irq_save(flags);
config = read_c0_conf();
write_c0_conf(config & ~TX39_CONF_ICE);
TX39_STOP_STREAMING();
- while (1) {
- /* Hit_Invalidate_I */
- protected_flush_icache_line(addr);
- if (addr == aend)
- break;
- addr += dc_lsize;
- }
+ protected_blast_icache_range(start, end);
write_c0_conf(config);
local_irq_restore(flags);
}
@@ -311,7 +273,7 @@ static void tx39_flush_icache_page(struct vm_area_struct *vma, struct page *page
static void tx39_dma_cache_wback_inv(unsigned long addr, unsigned long size)
{
- unsigned long end, a;
+ unsigned long end;
if (((size | addr) & (PAGE_SIZE - 1)) == 0) {
end = addr + size;
@@ -322,20 +284,13 @@ static void tx39_dma_cache_wback_inv(unsigned long addr, unsigned long size)
} else if (size > dcache_size) {
tx39_blast_dcache();
} else {
- unsigned long dc_lsize = current_cpu_data.dcache.linesz;
- a = addr & ~(dc_lsize - 1);
- end = (addr + size - 1) & ~(dc_lsize - 1);
- while (1) {
- flush_dcache_line(a); /* Hit_Writeback_Inv_D */
- if (a == end) break;
- a += dc_lsize;
- }
+ blast_dcache_range(addr, addr + size);
}
}
static void tx39_dma_cache_inv(unsigned long addr, unsigned long size)
{
- unsigned long end, a;
+ unsigned long end;
if (((size | addr) & (PAGE_SIZE - 1)) == 0) {
end = addr + size;
@@ -346,14 +301,7 @@ static void tx39_dma_cache_inv(unsigned long addr, unsigned long size)
} else if (size > dcache_size) {
tx39_blast_dcache();
} else {
- unsigned long dc_lsize = current_cpu_data.dcache.linesz;
- a = addr & ~(dc_lsize - 1);
- end = (addr + size - 1) & ~(dc_lsize - 1);
- while (1) {
- invalidate_dcache_line(a); /* Hit_Invalidate_D */
- if (a == end) break;
- a += dc_lsize;
- }
+ blast_inv_dcache_range(addr, addr + size);
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 14:06:02 +0000