| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 | #define TS72XX_WDT_CONTROL_PHYS_BASE 0x23800000 |
| 43 | #define TS72XX_WDT_FEED_PHYS_BASE 0x23c00000 |
| 44 | |
| 45 | #ifndef __ASSEMBLY__ |
| 46 | |
| 47 | static inline int ts72xx_model(void) |
| 48 | { |
| 49 | return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK; |
| 50 | } |
| 51 | |
| 52 | static inline int board_is_ts7200(void) |
| 53 | { |
| 54 | return ts72xx_model() == TS72XX_MODEL_TS7200; |
| 55 | } |
| 56 | |
| 57 | static inline int board_is_ts7250(void) |
| 58 | { |
| 59 | return ts72xx_model() == TS72XX_MODEL_TS7250; |
| 60 | } |
| 61 | |
| 62 | static inline int board_is_ts7260(void) |
| 63 | { |
| 64 | return ts72xx_model() == TS72XX_MODEL_TS7260; |
| 65 | } |
| 66 | |
| 67 | static inline int board_is_ts7300(void) |
| 68 | { |
| 69 | return ts72xx_model() == TS72XX_MODEL_TS7300; |
| 70 | } |
| 71 | |
| 72 | static inline int board_is_ts7400(void) |
| 73 | { |
| 74 | return ts72xx_model() == TS72XX_MODEL_TS7400; |
| 75 | } |
| 76 | |
| 77 | static inline int is_max197_installed(void) |
| 78 | { |
| 79 | return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) & |
| 80 | TS72XX_OPTIONS_MAX197); |
| 81 | } |
| 82 | |
| 83 | static inline int is_ts9420_installed(void) |
| 84 | { |
| 85 | return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) & |
| 86 | TS72XX_OPTIONS2_TS9420); |
| 87 | } |
| 88 | #endif |