From 9f1a8cd33fec83c5e04c8d1103fb3ee2857ff2f0 Mon Sep 17 00:00:00 2001 From: Sekhar Nori Date: Tue, 10 Dec 2013 15:02:15 +0530 Subject: ARM: AM43XX: board: add support for reading onboard EEPROM Add support for reading onboard EEPROM to enable board detection. Signed-off-by: Sekhar Nori Signed-off-by: Lokesh Vutla --- board/ti/am43xx/board.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'board/ti/am43xx/board.h') diff --git a/board/ti/am43xx/board.h b/board/ti/am43xx/board.h index 8ca098b..9268895 100644 --- a/board/ti/am43xx/board.h +++ b/board/ti/am43xx/board.h @@ -12,6 +12,38 @@ #ifndef _BOARD_H_ #define _BOARD_H_ +#include + +static char *const am43xx_board_name = (char *)AM4372_BOARD_NAME_START; + +/* + * TI AM437x EVMs 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 am43xx_board_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]; +}; + +static inline int board_is_eposevm(void) +{ + return !strncmp(am43xx_board_name, "AM43EPOS", HDR_NAME_LEN); +} + +static inline int board_is_gpevm(void) +{ + return !strncmp(am43xx_board_name, "AM43__GP", HDR_NAME_LEN); +} + void enable_uart0_pin_mux(void); void enable_board_pin_mux(void); #endif -- cgit v1.1