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
52static inline int ts72xx_model(void)
53{
54 return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
55}
56
57static inline int board_is_ts7200(void)
58{
59 return ts72xx_model() == TS72XX_MODEL_TS7200;
60}
61
62static inline int board_is_ts7250(void)
63{
64 return ts72xx_model() == TS72XX_MODEL_TS7250;
65}
66
67static inline int board_is_ts7260(void)
68{
69 return ts72xx_model() == TS72XX_MODEL_TS7260;
70}
71
72static inline int board_is_ts7300(void)
73{
74 return ts72xx_model() == TS72XX_MODEL_TS7300;
75}
76
77static inline int board_is_ts7400(void)
78{
79 return ts72xx_model() == TS72XX_MODEL_TS7400;
80}
81
82static inline int is_max197_installed(void)
83{
84 return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
85 TS72XX_OPTIONS_MAX197);
86}
87
88static 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

source code of linux/arch/arm/mach-ep93xx/ts72xx.h