12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- /*
- * Bit definitions for the MCF54xx ACR and CACR registers.
- */
- #ifndef m54xxacr_h
- #define m54xxacr_h
- /*
- * Define the Cache register flags.
- */
- #define CACR_DEC 0x80000000 /* Enable data cache */
- #define CACR_DWP 0x40000000 /* Data write protection */
- #define CACR_DESB 0x20000000 /* Enable data store buffer */
- #define CACR_DDPI 0x10000000 /* Disable invalidation by CPUSHL */
- #define CACR_DHCLK 0x08000000 /* Half data cache lock mode */
- #define CACR_DDCM_WT 0x00000000 /* Write through cache*/
- #define CACR_DDCM_CP 0x02000000 /* Copyback cache */
- #define CACR_DDCM_P 0x04000000 /* No cache, precise */
- #define CACR_DDCM_IMP 0x06000000 /* No cache, imprecise */
- #define CACR_DCINVA 0x01000000 /* Invalidate data cache */
- #define CACR_BEC 0x00080000 /* Enable branch cache */
- #define CACR_BCINVA 0x00040000 /* Invalidate branch cache */
- #define CACR_IEC 0x00008000 /* Enable instruction cache */
- #define CACR_DNFB 0x00002000 /* Inhibited fill buffer */
- #define CACR_IDPI 0x00001000 /* Disable CPUSHL */
- #define CACR_IHLCK 0x00000800 /* Intruction cache half lock */
- #define CACR_IDCM 0x00000400 /* Intruction cache inhibit */
- #define CACR_ICINVA 0x00000100 /* Invalidate instr cache */
- #define ACR_BASE_POS 24 /* Address Base */
- #define ACR_MASK_POS 16 /* Address Mask */
- #define ACR_ENABLE 0x00008000 /* Enable address */
- #define ACR_USER 0x00000000 /* User mode access only */
- #define ACR_SUPER 0x00002000 /* Supervisor mode only */
- #define ACR_ANY 0x00004000 /* Match any access mode */
- #define ACR_CM_WT 0x00000000 /* Write through mode */
- #define ACR_CM_CP 0x00000020 /* Copyback mode */
- #define ACR_CM_OFF_PRE 0x00000040 /* No cache, precise */
- #define ACR_CM_OFF_IMP 0x00000060 /* No cache, imprecise */
- #define ACR_CM 0x00000060 /* Cache mode mask */
- #define ACR_WPROTECT 0x00000004 /* Write protect */
- #endif /* m54xxacr_h */
|