diff options
Diffstat (limited to 'board/cm_t35/eeprom.c')
| -rw-r--r-- | board/cm_t35/eeprom.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/board/cm_t35/eeprom.c b/board/cm_t35/eeprom.c index dfa171d..b0af103 100644 --- a/board/cm_t35/eeprom.c +++ b/board/cm_t35/eeprom.c @@ -27,8 +27,7 @@ #define BOARD_SERIAL_OFFSET_LEGACY 8 #define BOARD_REV_OFFSET 0 #define BOARD_REV_OFFSET_LEGACY 6 -#define BOARD_REV_SIZE 4 -#define BOARD_REV_SIZE_LEGACY 2 +#define BOARD_REV_SIZE 2 #define MAC_ADDR_OFFSET 4 #define MAC_ADDR_OFFSET_LEGACY 0 @@ -100,25 +99,32 @@ int cm_t3x_eeprom_read_mac_addr(uchar *buf) } /* - * Routine: get_board_rev - * Description: read system revision + * Routine: cm_t3x_eeprom_get_board_rev + * Description: read system revision from eeprom */ -u32 get_board_rev(void) +u32 cm_t3x_eeprom_get_board_rev(void) { u32 rev = 0; + char str[5]; /* Legacy representation can contain at most 4 digits */ uint offset = BOARD_REV_OFFSET_LEGACY; - int len = BOARD_REV_SIZE_LEGACY; if (eeprom_setup_layout()) return 0; - if (eeprom_layout != LAYOUT_LEGACY) { + if (eeprom_layout != LAYOUT_LEGACY) offset = BOARD_REV_OFFSET; - len = BOARD_REV_SIZE; - } - if (cm_t3x_eeprom_read(offset, (uchar *)&rev, len)) + if (cm_t3x_eeprom_read(offset, (uchar *)&rev, BOARD_REV_SIZE)) return 0; + /* + * Convert legacy syntactic representation to semantic + * representation. i.e. for rev 1.00: 0x100 --> 0x64 + */ + if (eeprom_layout == LAYOUT_LEGACY) { + sprintf(str, "%x", rev); + rev = simple_strtoul(str, NULL, 10); + } + return rev; }; |