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ARM: OMAP4/5: Change the default boot command to work with device tree

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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.

Signed-off-by: Sricharan R <r.sricharan@ti.com>
This commit is contained in:
SRICHARAN R 2013-04-04 23:39:27 +00:00 committed by Tom Rini
parent 78fd004107
commit 143070df8e
2 changed files with 36 additions and 6 deletions
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22
include/configs/omap4_common.h
View file

@ -138,6 +138,10 @@
*/
#define CONFIG_BOOTDELAY 3
#define CONFIG_ENV_VARS_UBOOT_CONFIG
#define CONFIG_CMD_FS_GENERIC
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_EXT4
#define CONFIG_ENV_OVERWRITE
@ -145,6 +149,10 @@
"loadaddr=0x82000000\0" \
"console=ttyO2,115200n8\0" \
"fdt_high=0xffffffff\0" \
"fdtaddr=0x80f80000\0" \
"bootpart=0:2\0" \
"bootdir=/boot\0" \
"bootfile=uImage\0" \
"usbtty=cdc_acm\0" \
"vram=16M\0" \
"mmcdev=0\0" \
@ -160,12 +168,19 @@
"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
"importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
"env import -t ${loadaddr} ${filesize}\0" \
"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\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" \
"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
#define CONFIG_BOOTCOMMAND \
"run findfdt; " \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
"if run loadbootscript; then " \
@ -179,7 +194,8 @@
"run uenvcmd;" \
"fi;" \
"fi;" \
"if run loaduimage; then " \
"if run loadimage; then " \
"run loadfdt;" \
"run mmcboot; " \
"fi; " \
"fi"

20
include/configs/omap5_common.h
View file

@ -137,6 +137,10 @@
*/
#define CONFIG_BOOTDELAY 3
#define CONFIG_ENV_VARS_UBOOT_CONFIG
#define CONFIG_CMD_FS_GENERIC
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_EXT4
#define CONFIG_ENV_OVERWRITE
@ -144,6 +148,10 @@
"loadaddr=0x82000000\0" \
"console=ttyO2,115200n8\0" \
"fdt_high=0xffffffff\0" \
"fdtaddr=0x80f80000\0" \
"bootpart=0:2\0" \
"bootdir=/boot\0" \
"bootfile=uImage\0" \
"usbtty=cdc_acm\0" \
"vram=16M\0" \
"mmcdev=0\0" \
@ -159,12 +167,17 @@
"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
"importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
"env import -t ${loadaddr} ${filesize}\0" \
"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\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 " \
"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile};\0" \
#define CONFIG_BOOTCOMMAND \
"run findfdt; " \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
@ -177,7 +190,8 @@
"run uenvcmd;" \
"fi;" \
"fi;" \
"if run loaduimage; then " \
"if run loadimage; then " \
"run loadfdt; " \
"run mmcboot; " \
"fi; " \
"fi"