Bring in the 'boot_fdt' environment variable that i.MX boards use to try and load a device tree when booting.
Signed-off-by: Tom Rini trini@ti.com --- include/configs/am335x_evm.h | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index 7d755f1..85c4632 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -84,6 +84,7 @@ "loadaddr=0x80200000\0" \ "fdtaddr=0x80F80000\0" \ "fdt_high=0xffffffff\0" \ + "boot_fdt=try\0" \ "rdaddr=0x81000000\0" \ "bootdir=/boot\0" \ "bootfile=uImage\0" \ @@ -131,6 +132,20 @@ "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ + "mmcloados=run mmcargs; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if run loadfdt; then " \ + "bootm ${loadaddr} - ${fdtaddr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootm; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootm; " \ + "fi;\0" \ "mmcboot=mmc dev ${mmcdev}; " \ "if mmc rescan; then " \ "echo SD/MMC found on device ${mmcdev};" \ @@ -142,11 +157,7 @@ "echo Running uenvcmd ...;" \ "run uenvcmd;" \ "fi;" \ - "if run loaduimage; then " \ - "run loadfdt;" \ - "run mmcargs; " \ - "bootm ${loadaddr} - ${fdtaddr};" \ - "fi;" \ + "run mmcloados;" \ "fi;\0" \ "spiboot=echo Booting from spi ...; " \ "run spiargs; " \