1*6ce89324SYegor Yefremov /* 2*6ce89324SYegor Yefremov * board.h 3*6ce89324SYegor Yefremov * 4*6ce89324SYegor Yefremov * TI AM335x boards information header 5*6ce89324SYegor Yefremov * 6*6ce89324SYegor Yefremov * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ 7*6ce89324SYegor Yefremov * 8*6ce89324SYegor Yefremov * SPDX-License-Identifier: GPL-2.0+ 9*6ce89324SYegor Yefremov */ 10*6ce89324SYegor Yefremov 11*6ce89324SYegor Yefremov #ifndef _BOARD_H_ 12*6ce89324SYegor Yefremov #define _BOARD_H_ 13*6ce89324SYegor Yefremov 14*6ce89324SYegor Yefremov /* 15*6ce89324SYegor Yefremov * TI AM335x parts define a system EEPROM that defines certain sub-fields. 16*6ce89324SYegor Yefremov * We use these fields to in turn see what board we are on, and what 17*6ce89324SYegor Yefremov * that might require us to set or not set. 18*6ce89324SYegor Yefremov */ 19*6ce89324SYegor Yefremov #define HDR_NO_OF_MAC_ADDR 3 20*6ce89324SYegor Yefremov #define HDR_ETH_ALEN 6 21*6ce89324SYegor Yefremov #define HDR_NAME_LEN 8 22*6ce89324SYegor Yefremov 23*6ce89324SYegor Yefremov struct am335x_baseboard_id { 24*6ce89324SYegor Yefremov unsigned int magic; 25*6ce89324SYegor Yefremov char name[HDR_NAME_LEN]; 26*6ce89324SYegor Yefremov char version[4]; 27*6ce89324SYegor Yefremov char serial[12]; 28*6ce89324SYegor Yefremov char config[32]; 29*6ce89324SYegor Yefremov char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN]; 30*6ce89324SYegor Yefremov }; 31*6ce89324SYegor Yefremov 32*6ce89324SYegor Yefremov typedef struct _BSP_VS_HWPARAM // v1.0 33*6ce89324SYegor Yefremov { 34*6ce89324SYegor Yefremov uint32_t Magic; 35*6ce89324SYegor Yefremov uint32_t HwRev; 36*6ce89324SYegor Yefremov uint32_t SerialNumber; 37*6ce89324SYegor Yefremov char PrdDate[11]; // as a string ie. "01.01.2006" 38*6ce89324SYegor Yefremov uint16_t SystemId; 39*6ce89324SYegor Yefremov uint8_t MAC1[6]; // internal EMAC 40*6ce89324SYegor Yefremov uint8_t MAC2[6]; // SMSC9514 41*6ce89324SYegor Yefremov uint8_t MAC3[6]; // WL1271 WLAN 42*6ce89324SYegor Yefremov } __attribute__ ((packed)) BSP_VS_HWPARAM; 43*6ce89324SYegor Yefremov 44*6ce89324SYegor Yefremov static inline int board_is_bone(struct am335x_baseboard_id *header) 45*6ce89324SYegor Yefremov { 46*6ce89324SYegor Yefremov return !strncmp(header->name, "A335BONE", HDR_NAME_LEN); 47*6ce89324SYegor Yefremov } 48*6ce89324SYegor Yefremov 49*6ce89324SYegor Yefremov static inline int board_is_bone_lt(struct am335x_baseboard_id *header) 50*6ce89324SYegor Yefremov { 51*6ce89324SYegor Yefremov return !strncmp(header->name, "A335BNLT", HDR_NAME_LEN); 52*6ce89324SYegor Yefremov } 53*6ce89324SYegor Yefremov 54*6ce89324SYegor Yefremov static inline int board_is_evm_sk(struct am335x_baseboard_id *header) 55*6ce89324SYegor Yefremov { 56*6ce89324SYegor Yefremov return !strncmp("A335X_SK", header->name, HDR_NAME_LEN); 57*6ce89324SYegor Yefremov } 58*6ce89324SYegor Yefremov 59*6ce89324SYegor Yefremov static inline int board_is_idk(struct am335x_baseboard_id *header) 60*6ce89324SYegor Yefremov { 61*6ce89324SYegor Yefremov return !strncmp(header->config, "SKU#02", 6); 62*6ce89324SYegor Yefremov } 63*6ce89324SYegor Yefremov 64*6ce89324SYegor Yefremov static inline int board_is_gp_evm(struct am335x_baseboard_id *header) 65*6ce89324SYegor Yefremov { 66*6ce89324SYegor Yefremov return !strncmp("A33515BB", header->name, HDR_NAME_LEN); 67*6ce89324SYegor Yefremov } 68*6ce89324SYegor Yefremov 69*6ce89324SYegor Yefremov static inline int board_is_evm_15_or_later(struct am335x_baseboard_id *header) 70*6ce89324SYegor Yefremov { 71*6ce89324SYegor Yefremov return (board_is_gp_evm(header) && 72*6ce89324SYegor Yefremov strncmp("1.5", header->version, 3) <= 0); 73*6ce89324SYegor Yefremov } 74*6ce89324SYegor Yefremov 75*6ce89324SYegor Yefremov /* 76*6ce89324SYegor Yefremov * We have three pin mux functions that must exist. We must be able to enable 77*6ce89324SYegor Yefremov * uart0, for initial output and i2c0 to read the main EEPROM. We then have a 78*6ce89324SYegor Yefremov * main pinmux function that can be overridden to enable all other pinmux that 79*6ce89324SYegor Yefremov * is required on the board. 80*6ce89324SYegor Yefremov */ 81*6ce89324SYegor Yefremov void enable_uart0_pin_mux(void); 82*6ce89324SYegor Yefremov void enable_uart1_pin_mux(void); 83*6ce89324SYegor Yefremov void enable_uart2_pin_mux(void); 84*6ce89324SYegor Yefremov void enable_uart3_pin_mux(void); 85*6ce89324SYegor Yefremov void enable_uart4_pin_mux(void); 86*6ce89324SYegor Yefremov void enable_uart5_pin_mux(void); 87*6ce89324SYegor Yefremov void enable_i2c0_pin_mux(void); 88*6ce89324SYegor Yefremov void enable_i2c1_pin_mux(void); 89*6ce89324SYegor Yefremov void enable_board_pin_mux(void); 90*6ce89324SYegor Yefremov #endif 91