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am335x_evm: Add more variables and switch to DT booting.

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Make bootcmd run findfdt so that we know what dtb file to load.  Add a
loadfdt command to load this file in.  Make mmcboot pass in ${fdtaddr}
and make the mmc section of bootcmd run loadfdt.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Koen Kooi 2013-03-14 05:55:21 +00:00 committed by Tom Rini
parent 73a27a84e5
commit 951d582778
1 changed files with 10 additions and 5 deletions
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15
include/configs/am335x_evm.h
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@ -56,7 +56,8 @@
"fdtaddr=0x80F80000\0" \
"fdt_high=0xffffffff\0" \
"rdaddr=0x81000000\0" \
"bootfile=/boot/uImage\0" \
"bootdir=/boot\0" \
"bootfile=uImage\0" \
"fdtfile=\0" \
"console=ttyO0,115200n8\0" \
"optargs=\0" \
@ -105,10 +106,11 @@
"root=${ramroot} " \
"rootfstype=${ramrootfstype}\0" \
"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
"loaduimage=load mmc ${bootpart} ${loadaddr} ${bootfile}\0" \
"loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"bootm ${loadaddr}\0" \
"bootm ${loadaddr} - ${fdtaddr}\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
"nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
@ -122,11 +124,12 @@
"setenv autoload no; " \
"dhcp; " \
"tftp ${loadaddr} ${bootfile}; " \
"tftp ${fdtaddr} ${fdtfile}; " \
"run netargs; " \
"bootm ${loadaddr}\0" \
"bootm ${loadaddr} - ${fdtaddr}\0" \
"ramboot=echo Booting from ramdisk ...; " \
"run ramargs; " \
"bootm ${loadaddr}\0" \
"bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
"findfdt="\
"if test $board_name = A335BONE; then " \
"setenv fdtfile am335x-bone.dtb; fi; " \
@ -140,6 +143,7 @@
#endif
#define CONFIG_BOOTCOMMAND \
"run findfdt; " \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
"if run loadbootenv; then " \
@ -151,6 +155,7 @@
"run uenvcmd;" \
"fi;" \
"if run loaduimage; then " \
"run loadfdt;" \
"run mmcboot;" \
"fi;" \
"else " \