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 86