xref: /openbmc/linux/arch/arm/mach-ep93xx/ts72xx.h (revision c8cee359)
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  * febfc000     23400000        4K      CPLD version register
14  */
15 
16 #ifndef __TS72XX_H_
17 #define __TS72XX_H_
18 
19 #define TS72XX_MODEL_PHYS_BASE		0x22000000
20 #define TS72XX_MODEL_VIRT_BASE		IOMEM(0xfebff000)
21 #define TS72XX_MODEL_SIZE		0x00001000
22 
23 #define TS72XX_MODEL_TS7200		0x00
24 #define TS72XX_MODEL_TS7250		0x01
25 #define TS72XX_MODEL_TS7260		0x02
26 #define TS72XX_MODEL_TS7300		0x03
27 #define TS72XX_MODEL_TS7400		0x04
28 #define TS72XX_MODEL_MASK		0x07
29 
30 
31 #define TS72XX_OPTIONS_PHYS_BASE	0x22400000
32 #define TS72XX_OPTIONS_VIRT_BASE	IOMEM(0xfebfe000)
33 #define TS72XX_OPTIONS_SIZE		0x00001000
34 
35 #define TS72XX_OPTIONS_COM2_RS485	0x02
36 #define TS72XX_OPTIONS_MAX197		0x01
37 
38 
39 #define TS72XX_OPTIONS2_PHYS_BASE	0x22800000
40 #define TS72XX_OPTIONS2_VIRT_BASE	IOMEM(0xfebfd000)
41 #define TS72XX_OPTIONS2_SIZE		0x00001000
42 
43 #define TS72XX_OPTIONS2_TS9420		0x04
44 #define TS72XX_OPTIONS2_TS9420_BOOT	0x02
45 
46 #define TS72XX_CPLDVER_PHYS_BASE	0x23400000
47 #define TS72XX_CPLDVER_VIRT_BASE	IOMEM(0xfebfc000)
48 #define TS72XX_CPLDVER_SIZE		0x00001000
49 
50 #ifndef __ASSEMBLY__
51 
ts72xx_model(void)52 static inline int ts72xx_model(void)
53 {
54 	return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
55 }
56 
board_is_ts7200(void)57 static inline int board_is_ts7200(void)
58 {
59 	return ts72xx_model() == TS72XX_MODEL_TS7200;
60 }
61 
board_is_ts7250(void)62 static inline int board_is_ts7250(void)
63 {
64 	return ts72xx_model() == TS72XX_MODEL_TS7250;
65 }
66 
board_is_ts7260(void)67 static inline int board_is_ts7260(void)
68 {
69 	return ts72xx_model() == TS72XX_MODEL_TS7260;
70 }
71 
board_is_ts7300(void)72 static inline int board_is_ts7300(void)
73 {
74 	return ts72xx_model()  == TS72XX_MODEL_TS7300;
75 }
76 
board_is_ts7400(void)77 static inline int board_is_ts7400(void)
78 {
79 	return ts72xx_model() == TS72XX_MODEL_TS7400;
80 }
81 
is_max197_installed(void)82 static inline int is_max197_installed(void)
83 {
84 	return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
85 					TS72XX_OPTIONS_MAX197);
86 }
87 
is_ts9420_installed(void)88 static inline int is_ts9420_installed(void)
89 {
90 	return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
91 					TS72XX_OPTIONS2_TS9420);
92 }
93 #endif
94 #endif /* __TS72XX_H_ */
95