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| author | Alexander Holler <holler@ahsoftware.de> | 2011-04-18 17:25:13 -0400 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2011-04-27 19:38:06 +0200 |
| commit | cf073e49bc3502be1b48a0e3faf0cde9edbb89db (patch) | |
| tree | f6802df1944ab9f1dbd5e354ae05c77b2f18706c | |
| parent | 70d8c9446fe1d99dd4148dc39ceb5dc6ce39a934 (diff) | |
| download | u-boot-imx-cf073e49bc3502be1b48a0e3faf0cde9edbb89db.zip u-boot-imx-cf073e49bc3502be1b48a0e3faf0cde9edbb89db.tar.gz u-boot-imx-cf073e49bc3502be1b48a0e3faf0cde9edbb89db.tar.bz2 | |
omap3_beagle: enable the use of a plain text file
Using the new env import command it is possible to use plain text files instead
of script-images. Plain text files are much easier to handle.
E.g. If your boot.scr contains the following:
-----------------------------------
setenv dvimode 1024x768-16@60
run loaduimage
run mmcboot
-----------------------------------
you could create a file named uEnv.txt and use that instead of boot.scr:
-----------------------------------
dvimode=1024x768-16@60
uenvcmd=run loaduimage; run mmcboot
-----------------------------------
The variable uenvcmd (if existent) will be executed (using run) after uEnv.txt
was loaded. If uenvcmd doesn't exist the default boot sequence will be started,
therefore you could just use
-----------------------------------
dvimode=1024x768-16@60
-----------------------------------
as uEnv.txt because loaduimage and mmcboot is part of the default boot sequence
Signed-off-by: Jason Kridner <jkridner@beagleboard.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
| -rw-r--r-- | include/configs/omap3_beagle.h | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h index c064ae7..bfde910 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -228,9 +228,9 @@ "omapdss.def_disp=${defaultdisplay} " \ "root=${nandroot} " \ "rootfstype=${nandrootfstype}\0" \ - "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ - "bootscript=echo Running bootscript from mmc ...; " \ - "source ${loadaddr}\0" \ + "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \ + "importbootenv=echo Importing environment from mmc ...; " \ + "env import -t $loadaddr $filesize\0" \ "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ "mmcboot=echo Booting from mmc ...; " \ "run mmcargs; " \ @@ -242,15 +242,19 @@ #define CONFIG_BOOTCOMMAND \ "if mmc rescan ${mmcdev}; then " \ - "if run loadbootscript; then " \ - "run bootscript; " \ - "else " \ - "if run loaduimage; then " \ - "run mmcboot; " \ - "else run nandboot; " \ - "fi; " \ - "fi; " \ - "else run nandboot; fi" + "echo SD/MMC found on device ${mmcdev};" \ + "if run loadbootenv; then " \ + "run importbootenv;" \ + "fi;" \ + "if test -n $uenvcmd; then " \ + "echo Running uenvcmd ...;" \ + "run uenvcmd;" \ + "fi;" \ + "if run loaduimage; then " \ + "run mmcboot;" \ + "fi;" \ + "fi;" \ + "run nandboot;" \ #define CONFIG_AUTO_COMPLETE 1 /* |