Now with kernel moving to all device tree, the default boot command is changed to pass the device tree blob. Also, adding the findfdt command to get the dt-blob based on the board.
Thanks to Tom Rini trini@ti.com for suggesting this.
Acked-by: Nishanth Menon nm@ti.com Signed-off-by: Sricharan R r.sricharan@ti.com Tested-by: Nishanth Menon nm@ti.com --- [V2] Corrected the board file name for omap4 boards in findfdt command [V3] Changed fdtaddr as per Tom Rini's comments
include/configs/omap4_common.h | 13 +++++++++++-- include/configs/omap5_common.h | 11 +++++++++-- 2 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/include/configs/omap4_common.h b/include/configs/omap4_common.h index 6ae6a0f..f34c130 100644 --- a/include/configs/omap4_common.h +++ b/include/configs/omap4_common.h @@ -138,6 +138,7 @@ */
#define CONFIG_BOOTDELAY 3 +#define CONFIG_ENV_VARS_UBOOT_CONFIG
#define CONFIG_ENV_OVERWRITE
@@ -145,6 +146,7 @@ "loadaddr=0x82000000\0" \ "console=ttyO2,115200n8\0" \ "fdt_high=0xffffffff\0" \ + "fdtaddr=0x80f80000\0" \ "usbtty=cdc_acm\0" \ "vram=16M\0" \ "mmcdev=0\0" \ @@ -153,7 +155,9 @@ "mmcargs=setenv bootargs console=${console} " \ "vram=${vram} " \ "root=${mmcroot} " \ - "rootfstype=${mmcrootfstype}\0" \ + "rootfstype=${mmcrootfstype}; " \ + "run findfdt; " \ + "fatload mmc ${mmcdev} ${fdtaddr} ${fdtfile}\0" \ "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \ "source ${loadaddr}\0" \ @@ -163,7 +167,12 @@ "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ "mmcboot=echo Booting from mmc${mmcdev} ...; " \ "run mmcargs; " \ - "bootm ${loadaddr}\0" \ + "bootm ${loadaddr} - ${fdtaddr}\0" \ + "findfdt="\ + "if test $board_name = sdp4430; then " \ + "setenv fdtfile omap4-sdp.dtb; fi; " \ + "if test $board_name = panda; then " \ + "setenv fdtfile omap4-panda-es.dtb; fi\0" \
#define CONFIG_BOOTCOMMAND \ "mmc dev ${mmcdev}; if mmc rescan; then " \ diff --git a/include/configs/omap5_common.h b/include/configs/omap5_common.h index 6d7aa7b..bcbf9cc 100644 --- a/include/configs/omap5_common.h +++ b/include/configs/omap5_common.h @@ -137,6 +137,7 @@ */
#define CONFIG_BOOTDELAY 3 +#define CONFIG_ENV_VARS_UBOOT_CONFIG
#define CONFIG_ENV_OVERWRITE
@@ -144,6 +145,7 @@ "loadaddr=0x82000000\0" \ "console=ttyO2,115200n8\0" \ "fdt_high=0xffffffff\0" \ + "fdtaddr=0x80f80000\0" \ "usbtty=cdc_acm\0" \ "vram=16M\0" \ "mmcdev=0\0" \ @@ -152,7 +154,9 @@ "mmcargs=setenv bootargs console=${console} " \ "vram=${vram} " \ "root=${mmcroot} " \ - "rootfstype=${mmcrootfstype}\0" \ + "rootfstype=${mmcrootfstype}; " \ + "run findfdt; " \ + "fatload mmc ${mmcdev} ${fdtaddr} ${fdtfile}\0" \ "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \ "source ${loadaddr}\0" \ @@ -162,7 +166,10 @@ "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ "mmcboot=echo Booting from mmc${mmcdev} ...; " \ "run mmcargs; " \ - "bootm ${loadaddr}\0" \ + "bootm ${loadaddr} - ${fdtaddr}\0" \ + "findfdt="\ + "if test $board_name = omap5_uevm; then " \ + "setenv fdtfile omap5-uevm.dtb; fi;\0 " \
#define CONFIG_BOOTCOMMAND \ "mmc dev ${mmcdev}; if mmc rescan; then " \