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Diffstat (limited to 'include/mpc86xx.h')
| -rw-r--r-- | include/mpc86xx.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/include/mpc86xx.h b/include/mpc86xx.h new file mode 100644 index 0000000..61b5279 --- /dev/null +++ b/include/mpc86xx.h @@ -0,0 +1,119 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * Jeffrey Brown (jeffrey@freescale.com) + * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) + */ + +#ifndef __MPC86xx_H__ +#define __MPC86xx_H__ + +#define EXC_OFF_SYS_RESET 0x0100 /* System reset offset */ + +/*---------------------------------------------------------------- + * l2cr values. Look in config_<BOARD>.h for the actual setup + */ +#define l2cr 1017 + +#define L2CR_L2E 0x80000000 /* bit 0 - enable */ +#define L2CR_L2PE 0x40000000 /* bit 1 - data parity */ +#define L2CR_L2I 0x00200000 /* bit 10 - global invalidate bit */ +#define L2CR_L2CTL 0x00100000 /* bit 11 - l2 ram control */ +#define L2CR_L2DO 0x00010000 /* bit 15 - data-only mode */ +#define L2CR_REP 0x00001000 /* bit 19 - l2 replacement alg */ +#define L2CR_HWF 0x00000800 /* bit 20 - hardware flush */ +#define L2CR_L2IP 0x00000001 /* global invalidate in progress */ + +/*---------------------------------------------------------------- + * BAT settings. Look in config_<BOARD>.h for the actual setup + */ + +#define BATU_BL_128K 0x00000000 +#define BATU_BL_256K 0x00000004 +#define BATU_BL_512K 0x0000000c +#define BATU_BL_1M 0x0000001c +#define BATU_BL_2M 0x0000003c +#define BATU_BL_4M 0x0000007c +#define BATU_BL_8M 0x000000fc +#define BATU_BL_16M 0x000001fc +#define BATU_BL_32M 0x000003fc +#define BATU_BL_64M 0x000007fc +#define BATU_BL_128M 0x00000ffc +#define BATU_BL_256M 0x00001ffc +#define BATU_BL_512M 0x00003ffc +#define BATU_BL_1G 0x00007ffc +#define BATU_BL_2G 0x0000fffc +#define BATU_BL_4G 0x0001fffc + +#define BATU_VS 0x00000002 +#define BATU_VP 0x00000001 +#define BATU_INVALID 0x00000000 + +#define BATL_WRITETHROUGH 0x00000040 +#define BATL_CACHEINHIBIT 0x00000020 +#define BATL_MEMCOHERENCE 0x00000010 +#define BATL_GUARDEDSTORAGE 0x00000008 +#define BATL_NO_ACCESS 0x00000000 + +#define BATL_PP_MSK 0x00000003 +#define BATL_PP_00 0x00000000 /* No access */ +#define BATL_PP_01 0x00000001 /* Read-only */ +#define BATL_PP_10 0x00000002 /* Read-write */ +#define BATL_PP_11 0x00000003 + +#define BATL_PP_NO_ACCESS BATL_PP_00 +#define BATL_PP_RO BATL_PP_01 +#define BATL_PP_RW BATL_PP_10 + +#define HID0_XBSEN 0x00000100 +#define HID0_HIGH_BAT_EN 0x00800000 +#define HID0_XAEN 0x00020000 + +#ifndef __ASSEMBLY__ + +typedef struct +{ + unsigned long freqProcessor; + unsigned long freqSystemBus; +} MPC86xx_SYS_INFO; + +#define l1icache_enable icache_enable + +void l2cache_enable(void); +void l1dcache_enable(void); + +static __inline__ unsigned long get_hid0 (void) +{ + unsigned long hid0; + asm volatile("mfspr %0, 1008" : "=r" (hid0) :); + return hid0; +} + +static __inline__ unsigned long get_hid1 (void) +{ + unsigned long hid1; + asm volatile("mfspr %0, 1009" : "=r" (hid1) :); + return hid1; +} + +static __inline__ void set_hid0 (unsigned long hid0) +{ + asm volatile("mtspr 1008, %0" : : "r" (hid0)); +} + +static __inline__ void set_hid1 (unsigned long hid1) +{ + asm volatile("mtspr 1009, %0" : : "r" (hid1)); +} + + +static __inline__ unsigned long get_l2cr (void) +{ + unsigned long l2cr_val; + asm volatile("mfspr %0, 1017" : "=r" (l2cr_val) :); + return l2cr_val; +} + +#endif /* _ASMLANGUAGE */ +#endif /* __MPC86xx_H__ */ + + |