1 /* 2 * Copyright 2006 Freescale Semiconductor. 3 * Jeffrey Brown 4 * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) 5 */ 6 7 #ifndef __MPC86xx_H__ 8 #define __MPC86xx_H__ 9 10 #define EXC_OFF_SYS_RESET 0x0100 /* System reset offset */ 11 12 /* 13 * l2cr values. Look in config_<BOARD>.h for the actual setup 14 */ 15 #define l2cr 1017 16 17 #define L2CR_L2E 0x80000000 /* bit 0 - enable */ 18 #define L2CR_L2PE 0x40000000 /* bit 1 - data parity */ 19 #define L2CR_L2I 0x00200000 /* bit 10 - global invalidate bit */ 20 #define L2CR_L2CTL 0x00100000 /* bit 11 - l2 ram control */ 21 #define L2CR_L2DO 0x00010000 /* bit 15 - data-only mode */ 22 #define L2CR_REP 0x00001000 /* bit 19 - l2 replacement alg */ 23 #define L2CR_HWF 0x00000800 /* bit 20 - hardware flush */ 24 #define L2CR_L2IP 0x00000001 /* global invalidate in progress */ 25 26 /* 27 * BAT settings. Look in config_<BOARD>.h for the actual setup 28 */ 29 30 #define BATU_BL_128K 0x00000000 31 #define BATU_BL_256K 0x00000004 32 #define BATU_BL_512K 0x0000000c 33 #define BATU_BL_1M 0x0000001c 34 #define BATU_BL_2M 0x0000003c 35 #define BATU_BL_4M 0x0000007c 36 #define BATU_BL_8M 0x000000fc 37 #define BATU_BL_16M 0x000001fc 38 #define BATU_BL_32M 0x000003fc 39 #define BATU_BL_64M 0x000007fc 40 #define BATU_BL_128M 0x00000ffc 41 #define BATU_BL_256M 0x00001ffc 42 #define BATU_BL_512M 0x00003ffc 43 #define BATU_BL_1G 0x00007ffc 44 #define BATU_BL_2G 0x0000fffc 45 #define BATU_BL_4G 0x0001fffc 46 47 #define BATU_VS 0x00000002 48 #define BATU_VP 0x00000001 49 #define BATU_INVALID 0x00000000 50 51 #define BATL_WRITETHROUGH 0x00000040 52 #define BATL_CACHEINHIBIT 0x00000020 53 #define BATL_MEMCOHERENCE 0x00000010 54 #define BATL_GUARDEDSTORAGE 0x00000008 55 #define BATL_NO_ACCESS 0x00000000 56 57 #define BATL_PP_MSK 0x00000003 58 #define BATL_PP_00 0x00000000 /* No access */ 59 #define BATL_PP_01 0x00000001 /* Read-only */ 60 #define BATL_PP_10 0x00000002 /* Read-write */ 61 #define BATL_PP_11 0x00000003 62 63 #define BATL_PP_NO_ACCESS BATL_PP_00 64 #define BATL_PP_RO BATL_PP_01 65 #define BATL_PP_RW BATL_PP_10 66 67 #define HID0_XBSEN 0x00000100 68 #define HID0_HIGH_BAT_EN 0x00800000 69 #define HID0_XAEN 0x00020000 70 71 #ifndef __ASSEMBLY__ 72 73 typedef struct { 74 unsigned long freqProcessor; 75 unsigned long freqSystemBus; 76 } MPC86xx_SYS_INFO; 77 78 #define l1icache_enable icache_enable 79 80 void l2cache_enable(void); 81 void l1dcache_enable(void); 82 83 static __inline__ unsigned long get_hid0 (void) 84 { 85 unsigned long hid0; 86 asm volatile("mfspr %0, 1008" : "=r" (hid0) :); 87 return hid0; 88 } 89 90 static __inline__ unsigned long get_hid1 (void) 91 { 92 unsigned long hid1; 93 asm volatile("mfspr %0, 1009" : "=r" (hid1) :); 94 return hid1; 95 } 96 97 static __inline__ void set_hid0 (unsigned long hid0) 98 { 99 asm volatile("mtspr 1008, %0" : : "r" (hid0)); 100 } 101 102 static __inline__ void set_hid1 (unsigned long hid1) 103 { 104 asm volatile("mtspr 1009, %0" : : "r" (hid1)); 105 } 106 107 108 static __inline__ unsigned long get_l2cr (void) 109 { 110 unsigned long l2cr_val; 111 asm volatile("mfspr %0, 1017" : "=r" (l2cr_val) :); 112 return l2cr_val; 113 } 114 115 #endif /* _ASMLANGUAGE */ 116 #endif /* __MPC86xx_H__ */ 117