This commit updates the environment variables to be able to boot with a device tree. The expected partition layout on the SD card is: - partition 1: type 0xDA, contains u-boot.bin - partition 2: type 0xC (fat), contains zImage and device tree - partition 3: type 0x83, root filesystem.
Signed-off-by: Damien Riegel damien.riegel@savoirfairelinux.com --- include/configs/ts4800.h | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/include/configs/ts4800.h b/include/configs/ts4800.h index fcc9d80..8722797 100644 --- a/include/configs/ts4800.h +++ b/include/configs/ts4800.h @@ -102,23 +102,32 @@
#define CONFIG_BOOTDELAY 1
-#define CONFIG_LOADADDR 0x91000000 /* loadaddr env var */ +#define CONFIG_LOADADDR 0x90008000 /* loadaddr env var */
#define CONFIG_EXTRA_ENV_SETTINGS \ "script=boot.scr\0" \ - "image=uImage\0" \ + "image=zImage\0" \ + "fdt_file=imx51-ts4800.dtb\0" \ + "fdt_addr=0x91000000\0" \ "mmcdev=0\0" \ - "mmcpart=1\0" \ - "mmcargs=setenv bootargs root=/dev/mmcblk0p2 rootwait rw\0" \ + "mmcpart=2\0" \ + "mmcroot=/dev/mmcblk0p3 rootwait rw\0" \ + "mmcargs=setenv bootargs root=${mmcroot}\0" \ "addtty=setenv bootargs ${bootargs} console=ttymxc0,${baudrate}\0" \ "loadbootscript=" \ "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ "bootscript=echo Running bootscript from mmc ...; " \ "source\0" \ "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image};\0" \ + "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ "mmcboot=echo Booting from mmc ...; " \ "run mmcargs addtty; " \ - "bootm; " + "if run loadfdt; then " \ + "bootz ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "echo ERR: cannot load FDT; " \ + "fi; " +
#define CONFIG_BOOTCOMMAND \ "mmc dev ${mmcdev}; if mmc rescan; then " \