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Diffstat (limited to 'board/ti/am335x/board.h')
-rw-r--r-- | board/ti/am335x/board.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/board/ti/am335x/board.h b/board/ti/am335x/board.h new file mode 100644 index 0000000..48e112e --- /dev/null +++ b/board/ti/am335x/board.h @@ -0,0 +1,54 @@ +/* + * board.h + * + * TI AM335x boards information header + * + * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _BOARD_H_ +#define _BOARD_H_ + +/* + * TI AM335x parts define a system EEPROM that defines certain sub-fields. + * We use these fields to in turn see what board we are on, and what + * that might require us to set or not set. + */ +#define HDR_NO_OF_MAC_ADDR 3 +#define HDR_ETH_ALEN 6 +#define HDR_NAME_LEN 8 + +struct am335x_baseboard_id { + unsigned int magic; + char name[HDR_NAME_LEN]; + char version[4]; + char serial[12]; + char config[32]; + char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN]; +}; + +/* + * We have three pin mux functions that must exist. We must be able to enable + * uart0, for initial output and i2c0 to read the main EEPROM. We then have a + * main pinmux function that can be overridden to enable all other pinmux that + * is required on the board. + */ +void enable_uart0_pin_mux(void); +void enable_uart1_pin_mux(void); +void enable_uart2_pin_mux(void); +void enable_uart3_pin_mux(void); +void enable_uart4_pin_mux(void); +void enable_uart5_pin_mux(void); +void enable_i2c0_pin_mux(void); +void enable_board_pin_mux(struct am335x_baseboard_id *header); +#endif |