Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[linux-2.6-block.git] / arch / arm / mach-ep93xx / ts72xx.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * arch/arm/mach-ep93xx/include/mach/ts72xx.h
4  */
5
6 /*
7  * TS72xx memory map:
8  *
9  * virt         phys            size
10  * febff000     22000000        4K      model number register (bits 0-2)
11  * febfe000     22400000        4K      options register
12  * febfd000     22800000        4K      options register #2
13  */
14
15 #define TS72XX_MODEL_PHYS_BASE          0x22000000
16 #define TS72XX_MODEL_VIRT_BASE          IOMEM(0xfebff000)
17 #define TS72XX_MODEL_SIZE               0x00001000
18
19 #define TS72XX_MODEL_TS7200             0x00
20 #define TS72XX_MODEL_TS7250             0x01
21 #define TS72XX_MODEL_TS7260             0x02
22 #define TS72XX_MODEL_TS7300             0x03
23 #define TS72XX_MODEL_TS7400             0x04
24 #define TS72XX_MODEL_MASK               0x07
25
26
27 #define TS72XX_OPTIONS_PHYS_BASE        0x22400000
28 #define TS72XX_OPTIONS_VIRT_BASE        IOMEM(0xfebfe000)
29 #define TS72XX_OPTIONS_SIZE             0x00001000
30
31 #define TS72XX_OPTIONS_COM2_RS485       0x02
32 #define TS72XX_OPTIONS_MAX197           0x01
33
34
35 #define TS72XX_OPTIONS2_PHYS_BASE       0x22800000
36 #define TS72XX_OPTIONS2_VIRT_BASE       IOMEM(0xfebfd000)
37 #define TS72XX_OPTIONS2_SIZE            0x00001000
38
39 #define TS72XX_OPTIONS2_TS9420          0x04
40 #define TS72XX_OPTIONS2_TS9420_BOOT     0x02
41
42 #ifndef __ASSEMBLY__
43
44 static inline int ts72xx_model(void)
45 {
46         return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
47 }
48
49 static inline int board_is_ts7200(void)
50 {
51         return ts72xx_model() == TS72XX_MODEL_TS7200;
52 }
53
54 static inline int board_is_ts7250(void)
55 {
56         return ts72xx_model() == TS72XX_MODEL_TS7250;
57 }
58
59 static inline int board_is_ts7260(void)
60 {
61         return ts72xx_model() == TS72XX_MODEL_TS7260;
62 }
63
64 static inline int board_is_ts7300(void)
65 {
66         return ts72xx_model()  == TS72XX_MODEL_TS7300;
67 }
68
69 static inline int board_is_ts7400(void)
70 {
71         return ts72xx_model() == TS72XX_MODEL_TS7400;
72 }
73
74 static inline int is_max197_installed(void)
75 {
76         return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
77                                         TS72XX_OPTIONS_MAX197);
78 }
79
80 static inline int is_ts9420_installed(void)
81 {
82         return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
83                                         TS72XX_OPTIONS2_TS9420);
84 }
85 #endif