xref: /openbmc/u-boot/include/mpc86xx.h (revision e4430779)
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 #include <asm/fsl_lbc.h>
11 
12 #define EXC_OFF_SYS_RESET	0x0100	/* System reset	offset */
13 #define _START_OFFSET		EXC_OFF_SYS_RESET
14 
15 /*
16  * platform register addresses
17  */
18 
19 #define GUTS_SVR	(CONFIG_SYS_CCSRBAR + 0xE00A4)
20 #define MCM_ABCR	(CONFIG_SYS_CCSRBAR + 0x01000)
21 #define MCM_DBCR	(CONFIG_SYS_CCSRBAR + 0x01008)
22 
23 /*
24  * l2cr values.  Look in config_<BOARD>.h for the actual setup
25  */
26 #define l2cr		 1017
27 
28 #define L2CR_L2E         0x80000000 /* bit 0 - enable */
29 #define L2CR_L2PE        0x40000000 /* bit 1 - data parity */
30 #define L2CR_L2I         0x00200000 /* bit 10 - global invalidate bit */
31 #define L2CR_L2CTL       0x00100000 /* bit 11 - l2 ram control */
32 #define L2CR_L2DO        0x00010000 /* bit 15 - data-only mode */
33 #define L2CR_REP         0x00001000 /* bit 19 - l2 replacement alg */
34 #define L2CR_HWF         0x00000800 /* bit 20 - hardware flush */
35 #define L2CR_L2IP        0x00000001 /* global invalidate in progress */
36 
37 /*
38  * BAT settings.  Look in config_<BOARD>.h for the actual setup
39  */
40 
41 #define BATU_BL_128K            0x00000000
42 #define BATU_BL_256K            0x00000004
43 #define BATU_BL_512K            0x0000000c
44 #define BATU_BL_1M              0x0000001c
45 #define BATU_BL_2M              0x0000003c
46 #define BATU_BL_4M              0x0000007c
47 #define BATU_BL_8M              0x000000fc
48 #define BATU_BL_16M             0x000001fc
49 #define BATU_BL_32M             0x000003fc
50 #define BATU_BL_64M             0x000007fc
51 #define BATU_BL_128M            0x00000ffc
52 #define BATU_BL_256M            0x00001ffc
53 #define BATU_BL_512M            0x00003ffc
54 #define BATU_BL_1G              0x00007ffc
55 #define BATU_BL_2G              0x0000fffc
56 #define BATU_BL_4G              0x0001fffc
57 
58 #define BATU_VS                 0x00000002
59 #define BATU_VP                 0x00000001
60 #define BATU_INVALID            0x00000000
61 
62 #define BATL_WRITETHROUGH       0x00000040
63 #define BATL_CACHEINHIBIT       0x00000020
64 #define BATL_MEMCOHERENCE	0x00000010
65 #define BATL_GUARDEDSTORAGE     0x00000008
66 #define BATL_NO_ACCESS		0x00000000
67 
68 #define BATL_PP_MSK		0x00000003
69 #define BATL_PP_00		0x00000000 /* No access */
70 #define BATL_PP_01		0x00000001 /* Read-only */
71 #define BATL_PP_10		0x00000002 /* Read-write */
72 #define BATL_PP_11		0x00000003
73 
74 #define BATL_PP_NO_ACCESS	BATL_PP_00
75 #define BATL_PP_RO		BATL_PP_01
76 #define BATL_PP_RW		BATL_PP_10
77 
78 #define HID0_XBSEN              0x00000100
79 #define HID0_HIGH_BAT_EN        0x00800000
80 #define HID0_XAEN               0x00020000
81 
82 #ifndef __ASSEMBLY__
83 
84 typedef struct {
85 	unsigned long freqProcessor;
86 	unsigned long freqSystemBus;
87 	unsigned long freqLocalBus;
88 } MPC86xx_SYS_INFO;
89 
90 #define l1icache_enable	icache_enable
91 
92 void l2cache_enable(void);
93 void l1dcache_enable(void);
94 
95 static __inline__ unsigned long get_hid0 (void)
96 {
97 	unsigned long hid0;
98 	asm volatile("mfspr %0, 1008" : "=r" (hid0) :);
99 	return hid0;
100 }
101 
102 static __inline__ unsigned long get_hid1 (void)
103 {
104 	unsigned long hid1;
105 	asm volatile("mfspr %0, 1009" : "=r" (hid1) :);
106 	return hid1;
107 }
108 
109 static __inline__ void set_hid0 (unsigned long hid0)
110 {
111 	asm volatile("mtspr 1008, %0" : : "r" (hid0));
112 }
113 
114 static __inline__ void set_hid1 (unsigned long hid1)
115 {
116 	asm volatile("mtspr 1009, %0" : : "r" (hid1));
117 }
118 
119 
120 static __inline__ unsigned long get_l2cr (void)
121 {
122    unsigned long l2cr_val;
123    asm volatile("mfspr %0, 1017" : "=r" (l2cr_val) :);
124    return l2cr_val;
125 }
126 
127 #endif  /* _ASMLANGUAGE */
128 #endif	/* __MPC86xx_H__ */
129