diff options
| author | Tom Rini <trini@ti.com> | 2013-08-09 11:22:16 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-08-15 18:38:35 -0400 |
| commit | bc6fff9ac7145fc067b8b2de4457d7af98209ec0 (patch) | |
| tree | aa4263e8d98b20b06fea2ef924cf5947de7274b8 /include | |
| parent | ec101fdb8d419975c7722c1d23470d9674350c3c (diff) | |
| download | talos-obmc-uboot-bc6fff9ac7145fc067b8b2de4457d7af98209ec0.tar.gz talos-obmc-uboot-bc6fff9ac7145fc067b8b2de4457d7af98209ec0.zip | |
am335x_evm: Bring in 'boot_fdt' logic from i.MX
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/am335x_evm.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index d6ccf265f0..d236a89601 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -85,6 +85,7 @@ "loadaddr=0x80200000\0" \ "fdtaddr=0x80F80000\0" \ "fdt_high=0xffffffff\0" \ + "boot_fdt=try\0" \ "rdaddr=0x81000000\0" \ "bootdir=/boot\0" \ "bootfile=uImage\0" \ @@ -132,6 +133,20 @@ "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};" \ @@ -143,11 +158,7 @@ "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; " \ |
