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added CACR define bits, added functions to set and retrieve current cache value and removed PC-relative compilation of cache.c

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This commit is contained in:
Markus Fröschle
2013-08-12 17:38:39 +00:00
parent e478d9446c
commit 920e5e6490
3 changed files with 49 additions and 1 deletions
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30
include/cache.h
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@@ -27,6 +27,36 @@
#include <stdint.h>
/*
* CACR Cache Control Register
*/
#define CF_CACR_DEC (0x80000000) /* Data Cache Enable */
#define CF_CACR_DW (0x40000000) /* Data default Write-protect */
#define CF_CACR_DESB (0x20000000) /* Data Enable Store Buffer */
#define CF_CACR_DPI (0x10000000) /* Data Disable CPUSHL Invalidate */
#define CF_CACR_DHLCK (0x08000000) /* 1/2 Data Cache Lock Mode */
#define CF_CACR_DDCM_00 (0x00000000) /* Cacheable writethrough imprecise */
#define CF_CACR_DDCM_01 (0x02000000) /* Cacheable copyback */
#define CF_CACR_DDCM_10 (0x04000000) /* Noncacheable precise */
#define CF_CACR_DDCM_11 (0x06000000) /* Noncacheable imprecise */
#define CF_CACR_DCINVA (0x01000000) /* Data Cache Invalidate All */
#define CF_CACR_DDSP (0x00800000) /* Data default supervisor-protect */
#define CF_CACR_IVO (0x00100000) /* Invalidate only */
#define CF_CACR_BEC (0x00080000) /* Branch Cache Enable */
#define CF_CACR_BCINVA (0x00040000) /* Branch Cache Invalidate All */
#define CF_CACR_IEC (0x00008000) /* Instruction Cache Enable */
#define CF_CACR_SPA (0x00004000) /* Search by Physical Address */
#define CF_CACR_DNFB (0x00002000) /* Default cache-inhibited fill buf */
#define CF_CACR_IDPI (0x00001000) /* Instr Disable CPUSHL Invalidate */
#define CF_CACR_IHLCK (0x00000800) /* 1/2 Instruction Cache Lock Mode */
#define CF_CACR_IDCM (0x00000400) /* Noncacheable Instr default mode */
#define CF_CACR_ICINVA (0x00000100) /* Instr Cache Invalidate All */
#define CF_CACR_IDSP (0x00000080) /* Ins default supervisor-protect */
#define CF_CACR_EUSP (0x00000020) /* Switch stacks in user mode */
extern void flush_and_invalidate_caches(void);
extern uint32_t cacr_get(void);
extern void cacr_set(uint32_t);
#endif /* _CACHE_H_ */