Rather than load the FPGA file from the FAT partition, look at entry in system EEPROM to decide which file to retrieve directly from the EXT3 partition.
Signed-off-by: Michael Jones michael.jones@matrix-vision.de --- board/matrix_vision/mvblx/sys_eeprom.c | 24 ++++++++++++++++++++++++ include/configs/omap3_mvblx.h | 6 +++--- 2 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/board/matrix_vision/mvblx/sys_eeprom.c b/board/matrix_vision/mvblx/sys_eeprom.c index 945a36d..15269c6 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; } diff --git a/include/configs/omap3_mvblx.h b/include/configs/omap3_mvblx.h index 99f0d4b..7bb05ca 100644 --- a/include/configs/omap3_mvblx.h +++ b/include/configs/omap3_mvblx.h @@ -170,9 +170,9 @@ "vram=12M\0" \ "dvimode=1024x768-24@60\0" \ "defaultdisplay=dvi\0" \ - "fpgafilename=mvbluelynx_x.rbf\0" \ - "loadfpga=if fatload mmc ${mmcdev} ${loadaddr} ${fpgafilename}; then " \ - "fpga load 0 ${loadaddr} ${filesize}; " \ + "loadfpga=if ext2load mmc ${mmcdev}:2 ${loadaddr} "\ + "/lib/firmware/mvblx/${fpgafilename}; then " \ + "fpga load 0 ${loadaddr} ${filesize}; " \ "fi;\0" \ "mmcdev=0\0" \ "mmcroot=/dev/mmcblk0p2 rw\0" \