diff options
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/c-r3k.c | 6 | ||||
| -rw-r--r-- | arch/mips/mm/page.c | 61 | ||||
| -rw-r--r-- | arch/mips/mm/sc-rm7k.c | 4 |
3 files changed, 37 insertions, 34 deletions
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c index 76935e320214..27a5b466c85c 100644 --- a/arch/mips/mm/c-r3k.c +++ b/arch/mips/mm/c-r3k.c @@ -26,7 +26,7 @@ static unsigned long icache_size, dcache_size; /* Size in bytes */ static unsigned long icache_lsize, dcache_lsize; /* Size in bytes */ -unsigned long __init r3k_cache_size(unsigned long ca_flags) +unsigned long __cpuinit r3k_cache_size(unsigned long ca_flags) { unsigned long flags, status, dummy, size; volatile unsigned long *p; @@ -61,7 +61,7 @@ unsigned long __init r3k_cache_size(unsigned long ca_flags) return size * sizeof(*p); } -unsigned long __init r3k_cache_lsize(unsigned long ca_flags) +unsigned long __cpuinit r3k_cache_lsize(unsigned long ca_flags) { unsigned long flags, status, lsize, i; volatile unsigned long *p; @@ -90,7 +90,7 @@ unsigned long __init r3k_cache_lsize(unsigned long ca_flags) return lsize * sizeof(*p); } -static void __init r3k_probe_cache(void) +static void __cpuinit r3k_probe_cache(void) { dcache_size = r3k_cache_size(ST0_ISC); if (dcache_size) diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c index 1edf0cbbeede..1417c6494858 100644 --- a/arch/mips/mm/page.c +++ b/arch/mips/mm/page.c @@ -235,13 +235,12 @@ static void __cpuinit set_prefetch_parameters(void) } /* * Too much unrolling will overflow the available space in - * clear_space_array / copy_page_array. 8 words sounds generous, - * but a R4000 with 128 byte L2 line length can exceed even that. + * clear_space_array / copy_page_array. */ - half_clear_loop_size = min(8 * clear_word_size, + half_clear_loop_size = min(16 * clear_word_size, max(cache_line_size >> 1, 4 * clear_word_size)); - half_copy_loop_size = min(8 * copy_word_size, + half_copy_loop_size = min(16 * copy_word_size, max(cache_line_size >> 1, 4 * copy_word_size)); } @@ -263,21 +262,23 @@ static inline void __cpuinit build_clear_pref(u32 **buf, int off) if (pref_bias_clear_store) { uasm_i_pref(buf, pref_dst_mode, pref_bias_clear_store + off, A0); - } else if (cpu_has_cache_cdex_s) { - uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); - } else if (cpu_has_cache_cdex_p) { - if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - } + } else if (cache_line_size == (half_clear_loop_size << 1)) { + if (cpu_has_cache_cdex_s) { + uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); + } else if (cpu_has_cache_cdex_p) { + if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + } - if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) - uasm_i_lw(buf, ZERO, ZERO, AT); + if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) + uasm_i_lw(buf, ZERO, ZERO, AT); - uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); - } + uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); + } + } } void __cpuinit build_clear_page(void) @@ -403,20 +404,22 @@ static inline void build_copy_store_pref(u32 **buf, int off) if (pref_bias_copy_store) { uasm_i_pref(buf, pref_dst_mode, pref_bias_copy_store + off, A0); - } else if (cpu_has_cache_cdex_s) { - uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); - } else if (cpu_has_cache_cdex_p) { - if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - uasm_i_nop(buf); - } + } else if (cache_line_size == (half_copy_loop_size << 1)) { + if (cpu_has_cache_cdex_s) { + uasm_i_cache(buf, Create_Dirty_Excl_SD, off, A0); + } else if (cpu_has_cache_cdex_p) { + if (R4600_V1_HIT_CACHEOP_WAR && cpu_is_r4600_v1_x()) { + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + uasm_i_nop(buf); + } - if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) - uasm_i_lw(buf, ZERO, ZERO, AT); + if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) + uasm_i_lw(buf, ZERO, ZERO, AT); - uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); + uasm_i_cache(buf, Create_Dirty_Excl_D, off, A0); + } } } diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c index fc227f3b1199..e3abfb2d7e86 100644 --- a/arch/mips/mm/sc-rm7k.c +++ b/arch/mips/mm/sc-rm7k.c @@ -86,7 +86,7 @@ static void rm7k_sc_inv(unsigned long addr, unsigned long size) /* * This function is executed in uncached address space. */ -static __init void __rm7k_sc_enable(void) +static __cpuinit void __rm7k_sc_enable(void) { int i; @@ -107,7 +107,7 @@ static __init void __rm7k_sc_enable(void) } } -static __init void rm7k_sc_enable(void) +static __cpuinit void rm7k_sc_enable(void) { if (read_c0_config() & RM7K_CONF_SE) return; |