4e6519b2a3c46924278ca281f03aadd4819b7f7f
[platform/kernel/linux-rpi.git] / arch / arm / mach-ep93xx / ts72xx.h
1 /*
2  * arch/arm/mach-ep93xx/include/mach/ts72xx.h
3  */
4
5 /*
6  * TS72xx memory map:
7  *
8  * virt         phys            size
9  * febff000     22000000        4K      model number register (bits 0-2)
10  * febfe000     22400000        4K      options register
11  * febfd000     22800000        4K      options register #2
12  */
13
14 #define TS72XX_MODEL_PHYS_BASE          0x22000000
15 #define TS72XX_MODEL_VIRT_BASE          IOMEM(0xfebff000)
16 #define TS72XX_MODEL_SIZE               0x00001000
17
18 #define TS72XX_MODEL_TS7200             0x00
19 #define TS72XX_MODEL_TS7250             0x01
20 #define TS72XX_MODEL_TS7260             0x02
21 #define TS72XX_MODEL_TS7300             0x03
22 #define TS72XX_MODEL_TS7400             0x04
23 #define TS72XX_MODEL_MASK               0x07
24
25
26 #define TS72XX_OPTIONS_PHYS_BASE        0x22400000
27 #define TS72XX_OPTIONS_VIRT_BASE        IOMEM(0xfebfe000)
28 #define TS72XX_OPTIONS_SIZE             0x00001000
29
30 #define TS72XX_OPTIONS_COM2_RS485       0x02
31 #define TS72XX_OPTIONS_MAX197           0x01
32
33
34 #define TS72XX_OPTIONS2_PHYS_BASE       0x22800000
35 #define TS72XX_OPTIONS2_VIRT_BASE       IOMEM(0xfebfd000)
36 #define TS72XX_OPTIONS2_SIZE            0x00001000
37
38 #define TS72XX_OPTIONS2_TS9420          0x04
39 #define TS72XX_OPTIONS2_TS9420_BOOT     0x02
40
41 #ifndef __ASSEMBLY__
42
43 static inline int ts72xx_model(void)
44 {
45         return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
46 }
47
48 static inline int board_is_ts7200(void)
49 {
50         return ts72xx_model() == TS72XX_MODEL_TS7200;
51 }
52
53 static inline int board_is_ts7250(void)
54 {
55         return ts72xx_model() == TS72XX_MODEL_TS7250;
56 }
57
58 static inline int board_is_ts7260(void)
59 {
60         return ts72xx_model() == TS72XX_MODEL_TS7260;
61 }
62
63 static inline int board_is_ts7300(void)
64 {
65         return ts72xx_model()  == TS72XX_MODEL_TS7300;
66 }
67
68 static inline int board_is_ts7400(void)
69 {
70         return ts72xx_model() == TS72XX_MODEL_TS7400;
71 }
72
73 static inline int is_max197_installed(void)
74 {
75         return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
76                                         TS72XX_OPTIONS_MAX197);
77 }
78
79 static inline int is_ts9420_installed(void)
80 {
81         return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
82                                         TS72XX_OPTIONS2_TS9420);
83 }
84 #endif