xref: /rk3399_rockchip-uboot/include/mpc86xx.h (revision 72ed528a948b151e7be5ce03ed3d2b88a229dd0a)
1 /*
2  * Copyright 2006 Freescale Semiconductor.
3  * Jeffrey Brown (jeffrey@freescale.com)
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 {
75   unsigned long freqProcessor;
76   unsigned long freqSystemBus;
77 } MPC86xx_SYS_INFO;
78 
79 #define l1icache_enable	icache_enable
80 
81 void l2cache_enable(void);
82 void l1dcache_enable(void);
83 
84 static __inline__ unsigned long get_hid0 (void)
85 {
86 	unsigned long hid0;
87 	asm volatile("mfspr %0, 1008" : "=r" (hid0) :);
88 	return hid0;
89 }
90 
91 static __inline__ unsigned long get_hid1 (void)
92 {
93 	unsigned long hid1;
94 	asm volatile("mfspr %0, 1009" : "=r" (hid1) :);
95 	return hid1;
96 }
97 
98 static __inline__ void set_hid0 (unsigned long hid0)
99 {
100 	asm volatile("mtspr 1008, %0" : : "r" (hid0));
101 }
102 
103 static __inline__ void set_hid1 (unsigned long hid1)
104 {
105 	asm volatile("mtspr 1009, %0" : : "r" (hid1));
106 }
107 
108 
109 static __inline__ unsigned long get_l2cr (void)
110 {
111    unsigned long l2cr_val;
112    asm volatile("mfspr %0, 1017" : "=r" (l2cr_val) :);
113    return l2cr_val;
114 }
115 
116 #endif  /* _ASMLANGUAGE */
117 #endif	/* __MPC86xx_H__ */
118 
119 
120