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| author | Stefan Roese <sr@denx.de> | 2007-10-31 17:55:58 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-10-31 21:21:46 +0100 |
| commit | 9b94ac61d2176185c30adf0793e079ec30e68687 (patch) | |
| tree | f51a4467a3daffa8b5597eb9d783c944692f7d80 /include | |
| parent | 06713773da4ac3d390c63d82641eb553224b27c2 (diff) | |
| download | u-boot-midas-9b94ac61d2176185c30adf0793e079ec30e68687.tar.gz u-boot-midas-9b94ac61d2176185c30adf0793e079ec30e68687.tar.bz2 u-boot-midas-9b94ac61d2176185c30adf0793e079ec30e68687.zip | |
ppc4xx: Rework 4xx cache support
New cache handling functions added and all existing functions
moved from start.S into seperate cache.S.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/cache.h | 21 | ||||
| -rw-r--r-- | include/ppc405.h | 6 | ||||
| -rw-r--r-- | include/ppc440.h | 6 |
3 files changed, 24 insertions, 9 deletions
diff --git a/include/asm-ppc/cache.h b/include/asm-ppc/cache.h index 5befab4d53..e29bfc2a7b 100644 --- a/include/asm-ppc/cache.h +++ b/include/asm-ppc/cache.h @@ -8,15 +8,24 @@ #include <asm/processor.h> /* bytes per L1 cache line */ -#if !defined(CONFIG_8xx) || defined(CONFIG_8260) +#if !(defined(CONFIG_8xx) || defined(CONFIG_IOP480)) #if defined(CONFIG_PPC64BRIDGE) -#define L1_CACHE_BYTES 128 +#define L1_CACHE_SHIFT 7 #else -#define L1_CACHE_BYTES 32 +#define L1_CACHE_SHIFT 5 #endif /* PPC64 */ #else -#define L1_CACHE_BYTES 16 -#endif /* !8xx || 8260 */ +#define L1_CACHE_SHIFT 4 +#endif /* !(8xx || IOP480) */ + +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +/* + * For compatibility reasons support the CFG_CACHELINE_SIZE too + */ +#ifndef CFG_CACHELINE_SIZE +#define CFG_CACHELINE_SIZE L1_CACHE_BYTES +#endif #define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)) #define L1_CACHE_PAGES 8 @@ -35,6 +44,8 @@ extern void flush_dcache_range(unsigned long start, unsigned long stop); extern void clean_dcache_range(unsigned long start, unsigned long stop); extern void invalidate_dcache_range(unsigned long start, unsigned long stop); +extern void flush_dcache(void); +extern void invalidate_dcache(void); #ifdef CFG_INIT_RAM_LOCK extern void unlock_ram_in_cache(void); #endif /* CFG_INIT_RAM_LOCK */ diff --git a/include/ppc405.h b/include/ppc405.h index 97528e88a8..2c5591726c 100644 --- a/include/ppc405.h +++ b/include/ppc405.h @@ -22,6 +22,12 @@ #ifndef __PPC405_H__ #define __PPC405_H__ +#ifndef CONFIG_IOP480 +#define CFG_DCACHE_SIZE (16 << 10) /* For AMCC 405 CPUs */ +#else +#define CFG_DCACHE_SIZE (2 << 10) /* For PLX IOP480 (403) */ +#endif + /*--------------------------------------------------------------------- */ /* Special Purpose Registers */ /*--------------------------------------------------------------------- */ diff --git a/include/ppc440.h b/include/ppc440.h index dc5eb98c90..2f841fa6bc 100644 --- a/include/ppc440.h +++ b/include/ppc440.h @@ -22,6 +22,8 @@ #ifndef __PPC440_H__ #define __PPC440_H__ +#define CFG_DCACHE_SIZE (32 << 10) /* For AMCC 440 CPUs */ + /*--------------------------------------------------------------------- */ /* Special Purpose Registers */ /*--------------------------------------------------------------------- */ @@ -3282,8 +3284,4 @@ static inline void set_mcsr(u32 val) #endif /* _ASMLANGUAGE */ -#define RESET_VECTOR 0xfffffffc -#define CACHELINE_MASK (CFG_CACHELINE_SIZE - 1) /* Address mask for */ - /* cache line aligned data. */ - #endif /* __PPC440_H__ */ |