board/ti/am335x/board.h

   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_uart1_pin_mux(void);
  48 void enable_uart2_pin_mux(void);
  49 void enable_uart3_pin_mux(void);
  50 void enable_uart4_pin_mux(void);
  51 void enable_uart5_pin_mux(void);
  52 void enable_i2c0_pin_mux(void);
  53 void enable_board_pin_mux(struct am335x_baseboard_id *header);
  54 #endif