| Yegor Yefremov | fa8b71b | 2015-05-29 19:27:29 +0200 | [diff] [blame] | 1 | /* |
| 2 | * board.h |
| 3 | * |
| 4 | * TI AM335x boards information header |
| 5 | * |
| 6 | * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ |
| 7 | * |
| 8 | * SPDX-License-Identifier: GPL-2.0+ |
| 9 | */ |
| 10 | |
| 11 | #ifndef _BOARD_H_ |
| 12 | #define _BOARD_H_ |
| 13 | |
| 14 | /* |
| 15 | * TI AM335x parts define a system EEPROM that defines certain sub-fields. |
| 16 | * We use these fields to in turn see what board we are on, and what |
| 17 | * that might require us to set or not set. |
| 18 | */ |
| 19 | #define HDR_NO_OF_MAC_ADDR 3 |
| 20 | #define HDR_ETH_ALEN 6 |
| 21 | #define HDR_NAME_LEN 8 |
| 22 | |
| 23 | struct am335x_baseboard_id { |
| 24 | unsigned int magic; |
| 25 | char name[HDR_NAME_LEN]; |
| 26 | char version[4]; |
| 27 | char serial[12]; |
| 28 | char config[32]; |
| 29 | char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN]; |
| 30 | }; |
| 31 | |
| 32 | typedef struct _BSP_VS_HWPARAM // v1.0 |
| 33 | { |
| 34 | uint32_t Magic; |
| 35 | uint32_t HwRev; |
| 36 | uint32_t SerialNumber; |
| 37 | char PrdDate[11]; // as a string ie. "01.01.2006" |
| 38 | uint16_t SystemId; |
| 39 | uint8_t MAC1[6]; // internal EMAC |
| 40 | uint8_t MAC2[6]; // SMSC9514 |
| 41 | uint8_t MAC3[6]; // WL1271 WLAN |
| 42 | } __attribute__ ((packed)) BSP_VS_HWPARAM; |
| 43 | |
| 44 | static inline int board_is_bone(struct am335x_baseboard_id *header) |
| 45 | { |
| 46 | return !strncmp(header->name, "A335BONE", HDR_NAME_LEN); |
| 47 | } |
| 48 | |
| 49 | static inline int board_is_bone_lt(struct am335x_baseboard_id *header) |
| 50 | { |
| 51 | return !strncmp(header->name, "A335BNLT", HDR_NAME_LEN); |
| 52 | } |
| 53 | |
| 54 | static inline int board_is_evm_sk(struct am335x_baseboard_id *header) |
| 55 | { |
| 56 | return !strncmp("A335X_SK", header->name, HDR_NAME_LEN); |
| 57 | } |
| 58 | |
| 59 | static inline int board_is_idk(struct am335x_baseboard_id *header) |
| 60 | { |
| 61 | return !strncmp(header->config, "SKU#02", 6); |
| 62 | } |
| 63 | |
| 64 | static inline int board_is_gp_evm(struct am335x_baseboard_id *header) |
| 65 | { |
| 66 | return !strncmp("A33515BB", header->name, HDR_NAME_LEN); |
| 67 | } |
| 68 | |
| 69 | static inline int board_is_evm_15_or_later(struct am335x_baseboard_id *header) |
| 70 | { |
| 71 | return (board_is_gp_evm(header) && |
| 72 | strncmp("1.5", header->version, 3) <= 0); |
| 73 | } |
| 74 | |
| 75 | /* |
| 76 | * We have three pin mux functions that must exist. We must be able to enable |
| 77 | * uart0, for initial output and i2c0 to read the main EEPROM. We then have a |
| 78 | * main pinmux function that can be overridden to enable all other pinmux that |
| 79 | * is required on the board. |
| 80 | */ |
| 81 | void enable_uart0_pin_mux(void); |
| 82 | void enable_uart1_pin_mux(void); |
| 83 | void enable_uart2_pin_mux(void); |
| 84 | void enable_uart3_pin_mux(void); |
| 85 | void enable_uart4_pin_mux(void); |
| 86 | void enable_uart5_pin_mux(void); |
| 87 | void enable_i2c0_pin_mux(void); |
| 88 | void enable_i2c1_pin_mux(void); |
| 89 | void enable_board_pin_mux(void); |
| 90 | #endif |