1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * board.c 4 * 5 * Board functions for Birdland Audio BAV335x Network Processor 6 * 7 * Copyright (c) 2012-2014, Birdland Audio - http://birdland.com/oem 8 * 9 */ 10 11 #ifndef _BOARD_H_ 12 #define _BOARD_H_ 13 14 /* Serial MagicE: AA 55 BA BE */ 15 #define BOARD_MAGIC 0xBEBA55AA 16 enum board_type {UNKNOWN, BAV335A, BAV335B}; 17 18 19 /* 20 * The BAV335x may use a built-in read-only serial EEProm. 21 * The Evaluation board, disables the write-protect so the Serial-EE 22 * Can be programmed during manufacturing to store fields such as 23 * a board serial number, ethernet mac address and other user fields. 24 * Additionally, the Serial-EE can store the specific version of the 25 * board it runs on, and overwrite the defaults in _defconfig 26 */ 27 #define HDR_NO_OF_MAC_ADDR 3 28 #define HDR_ETH_ALEN 6 29 #define HDR_NAME_LEN 8 30 31 struct board_eeconfig { 32 unsigned int magic; 33 char name[HDR_NAME_LEN]; /* BAV3354 */ 34 char version[4]; /* 0B20 - Rev.B2 */ 35 char serial[16]; 36 char config[32]; 37 char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN]; 38 }; 39 40 enum board_type get_board_type(bool verbose_debug_output); 41 42 43 /* 44 * We have three pin mux functions that must exist. We must be able to enable 45 * uart0, for initial output and i2c0 to read the main EEPROM. We then have a 46 * main pinmux function that can be overridden to enable all other pinmux that 47 * is required on the board. 48 */ 49 void enable_uart0_pin_mux(void); 50 void enable_uart1_pin_mux(void); 51 void enable_uart2_pin_mux(void); 52 void enable_uart3_pin_mux(void); 53 void enable_uart4_pin_mux(void); 54 void enable_uart5_pin_mux(void); 55 void enable_i2c0_pin_mux(void); 56 void enable_board_pin_mux(enum board_type board); 57 58 #endif 59