xref: /openbmc/linux/arch/arm/mach-ep93xx/ts72xx.h (revision 9cfc5c90)
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  * febf9000	10800000	4K	TS-5620 RTC index register
13  * febf8000	11700000	4K	TS-5620 RTC data register
14  */
15 
16 #define TS72XX_MODEL_PHYS_BASE		0x22000000
17 #define TS72XX_MODEL_VIRT_BASE		IOMEM(0xfebff000)
18 #define TS72XX_MODEL_SIZE		0x00001000
19 
20 #define TS72XX_MODEL_TS7200		0x00
21 #define TS72XX_MODEL_TS7250		0x01
22 #define TS72XX_MODEL_TS7260		0x02
23 #define TS72XX_MODEL_TS7300		0x03
24 #define TS72XX_MODEL_TS7400		0x04
25 #define TS72XX_MODEL_MASK		0x07
26 
27 
28 #define TS72XX_OPTIONS_PHYS_BASE	0x22400000
29 #define TS72XX_OPTIONS_VIRT_BASE	IOMEM(0xfebfe000)
30 #define TS72XX_OPTIONS_SIZE		0x00001000
31 
32 #define TS72XX_OPTIONS_COM2_RS485	0x02
33 #define TS72XX_OPTIONS_MAX197		0x01
34 
35 
36 #define TS72XX_OPTIONS2_PHYS_BASE	0x22800000
37 #define TS72XX_OPTIONS2_VIRT_BASE	IOMEM(0xfebfd000)
38 #define TS72XX_OPTIONS2_SIZE		0x00001000
39 
40 #define TS72XX_OPTIONS2_TS9420		0x04
41 #define TS72XX_OPTIONS2_TS9420_BOOT	0x02
42 
43 
44 #define TS72XX_RTC_INDEX_VIRT_BASE	IOMEM(0xfebf9000)
45 #define TS72XX_RTC_INDEX_PHYS_BASE	0x10800000
46 #define TS72XX_RTC_INDEX_SIZE		0x00001000
47 
48 #define TS72XX_RTC_DATA_VIRT_BASE	IOMEM(0xfebf8000)
49 #define TS72XX_RTC_DATA_PHYS_BASE	0x11700000
50 #define TS72XX_RTC_DATA_SIZE		0x00001000
51 
52 #define TS72XX_WDT_CONTROL_PHYS_BASE	0x23800000
53 #define TS72XX_WDT_FEED_PHYS_BASE	0x23c00000
54 
55 #ifndef __ASSEMBLY__
56 
57 static inline int ts72xx_model(void)
58 {
59 	return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
60 }
61 
62 static inline int board_is_ts7200(void)
63 {
64 	return ts72xx_model() == TS72XX_MODEL_TS7200;
65 }
66 
67 static inline int board_is_ts7250(void)
68 {
69 	return ts72xx_model() == TS72XX_MODEL_TS7250;
70 }
71 
72 static inline int board_is_ts7260(void)
73 {
74 	return ts72xx_model() == TS72XX_MODEL_TS7260;
75 }
76 
77 static inline int board_is_ts7300(void)
78 {
79 	return ts72xx_model()  == TS72XX_MODEL_TS7300;
80 }
81 
82 static inline int board_is_ts7400(void)
83 {
84 	return ts72xx_model() == TS72XX_MODEL_TS7400;
85 }
86 
87 static inline int is_max197_installed(void)
88 {
89 	return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
90 					TS72XX_OPTIONS_MAX197);
91 }
92 
93 static inline int is_ts9420_installed(void)
94 {
95 	return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
96 					TS72XX_OPTIONS2_TS9420);
97 }
98 #endif
99