diff options
Diffstat (limited to 'board/matrix_vision/mvblx/sys_eeprom.c')
| -rw-r--r-- | board/matrix_vision/mvblx/sys_eeprom.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/board/matrix_vision/mvblx/sys_eeprom.c b/board/matrix_vision/mvblx/sys_eeprom.c index 945a36dfe..15269c6d7 100644 --- a/board/matrix_vision/mvblx/sys_eeprom.c +++ b/board/matrix_vision/mvblx/sys_eeprom.c @@ -326,10 +326,28 @@ int do_mac(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } +static inline int is_portrait(void) +{ + int i; + unsigned int orient_index = 0; /* idx of char which determines orientation */ + + for (i = sizeof(e.id)/sizeof(*e.id) - 1; i>=0; i--) { + if (e.id[i] == '-') { + orient_index = i+1; + break; + } + } + + return (orient_index && + (e.id[orient_index] >= '5') && (e.id[orient_index] <= '8')); +} + int mac_read_from_eeprom(void) { u32 crc, crc_offset = offsetof(struct eeprom, crc); u32 *crcp; /* Pointer to the CRC in the data read from the EEPROM */ +#define FILENAME_LANDSCAPE "mvBlueLynx_X.rbf" +#define FILENAME_PORTRAIT "mvBlueLynx_X_sensor_cd.rbf" if (read_eeprom()) { printf("EEPROM Read failed.\n"); @@ -374,6 +392,12 @@ int mac_read_from_eeprom(void) setenv("serial#", serial_num); } + /* decide which fpga file to load depending on orientation */ + if (is_portrait()) + setenv("fpgafilename", FILENAME_PORTRAIT); + else + setenv("fpgafilename", FILENAME_LANDSCAPE); + /* TODO should I calculate CRC here? */ return 0; } |