am335x_evm: Add more variables and switch to DT booting.
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 ${fdtaddr}
and make the mmc section of bootcmd run loadfdt.
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index fc14c90..92daff5 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -56,7 +56,8 @@
"fdtaddr=0x80F80000\0" \
"fdt_high=0xffffffff\0" \
"rdaddr=0x81000000\0" \
- "bootfile=/boot/uImage\0" \
+ "bootdir=/boot\0" \
+ "bootfile=uImage\0" \
"fdtfile=\0" \
"console=ttyO0,115200n8\0" \
"optargs=\0" \
@@ -105,10 +106,11 @@
"root=${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 " \