2 * Copyright 2006 Freescale Semiconductor.
3 * Jeffrey Brown (jeffrey@freescale.com)
4 * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
10 #define EXC_OFF_SYS_RESET 0x0100 /* System reset offset */
13 * l2cr values. Look in config_<BOARD>.h for the actual setup
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 */
27 * BAT settings. Look in config_<BOARD>.h for the actual setup
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
47 #define BATU_VS 0x00000002
48 #define BATU_VP 0x00000001
49 #define BATU_INVALID 0x00000000
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
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
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
67 #define HID0_XBSEN 0x00000100
68 #define HID0_HIGH_BAT_EN 0x00800000
69 #define HID0_XAEN 0x00020000
75 unsigned long freqProcessor;
76 unsigned long freqSystemBus;
79 #define l1icache_enable icache_enable
81 void l2cache_enable(void);
82 void l1dcache_enable(void);
84 static __inline__ unsigned long get_hid0 (void)
87 asm volatile("mfspr %0, 1008" : "=r" (hid0) :);
91 static __inline__ unsigned long get_hid1 (void)
94 asm volatile("mfspr %0, 1009" : "=r" (hid1) :);
98 static __inline__ void set_hid0 (unsigned long hid0)
100 asm volatile("mtspr 1008, %0" : : "r" (hid0));
103 static __inline__ void set_hid1 (unsigned long hid1)
105 asm volatile("mtspr 1009, %0" : : "r" (hid1));
109 static __inline__ unsigned long get_l2cr (void)
111 unsigned long l2cr_val;
112 asm volatile("mfspr %0, 1017" : "=r" (l2cr_val) :);
116 #endif /* _ASMLANGUAGE */
117 #endif /* __MPC86xx_H__ */