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 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 #ifndef _BOARD_H_ 20 #define _BOARD_H_ 21 22 /* 23 * TI AM335x parts define a system EEPROM that defines certain sub-fields. 24 * We use these fields to in turn see what board we are on, and what 25 * that might require us to set or not set. 26 */ 27 #define HDR_NO_OF_MAC_ADDR 3 28 #define HDR_ETH_ALEN 6 29 #define HDR_NAME_LEN 8 30 31 struct am335x_baseboard_id { 32 unsigned int magic; 33 char name[HDR_NAME_LEN]; 34 char version[4]; 35 char serial[12]; 36 char config[32]; 37 char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN]; 38 }; 39 40 /* 41 * We have three pin mux functions that must exist. We must be able to enable 42 * uart0, for initial output and i2c0 to read the main EEPROM. We then have a 43 * main pinmux function that can be overridden to enable all other pinmux that 44 * is required on the board. 45 */ 46 void enable_uart0_pin_mux(void); 47 void enable_i2c0_pin_mux(void); 48 void enable_board_pin_mux(struct am335x_baseboard_id *header); 49 #endif 50