[U-Boot] [Patch v2 8/9] [omap3][overo] Allow overo to boot with device tree
Ash Charles
ashcharles at gmail.com
Wed May 21 23:04:54 CEST 2014
Update the board configuration for Gumstix Overo. In particular,
add support for zImage and DTB files on boot.
Signed-off-by: Ash Charles <ashcharles at gmail.com>
---
include/configs/omap3_overo.h | 58 ++++++++++++++++++++++++++++---------------
1 file changed, 38 insertions(+), 20 deletions(-)
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index 1e4dfcf..48cadbb 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -39,6 +39,7 @@
#define CONFIG_REVISION_TAG
#define CONFIG_OF_LIBFDT
+#define CONFIG_CMD_BOOTZ
/*
* Size of malloc() pool
@@ -92,7 +93,7 @@
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_EXT2 /* EXT2 Support */
#define CONFIG_CMD_FAT /* FAT support */
-#define CONFIG_CMD_JFFS2 /* JFFS2 Support */
+#define CONFIG_CMD_FS_GENERIC
#define CONFIG_CMD_I2C /* I2C serial bus support */
#define CONFIG_CMD_MMC /* MMC support */
@@ -165,8 +166,13 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
"loadaddr=0x82000000\0" \
+ "dtbaddr=0x81600000\0" \
+ "dtbfile=overo.dtb\0" \
+ "bootdir=/boot\0" \
+ "bootfile=zImage\0" \
+ "usbtty=cdc_acm\0" \
"console=ttyO2,115200n8\0" \
- "mpurate=500\0" \
+ "mpurate=auto\0" \
"optargs=\0" \
"vram=12M\0" \
"dvimode=1024x768MR-16 at 60\0" \
@@ -193,16 +199,21 @@
"omapdss.def_disp=${defaultdisplay} " \
"root=${nandroot} " \
"rootfstype=${nandrootfstype}\0" \
- "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
- "bootscript=echo Running bootscript from mmc ...; " \
+ "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+ "bootscript=echo Running boot script from mmc ...; " \
"source ${loadaddr}\0" \
- "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
- "importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
+ "loadbootenv=load 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 ...; " \
+ "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
+ "mmcboot=echo Booting from mmc...; " \
"run mmcargs; " \
"bootm ${loadaddr}\0" \
+ "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
+ "loadfdt=load mmc ${mmcdev}:2 ${dtbaddr} ${bootdir}/${dtbfile}\0" \
+ "mmcbootfdt=echo Booting with DT from mmc ...; " \
+ "run mmcargs; " \
+ "bootz ${loadaddr} - ${dtbaddr}\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
"nand read ${loadaddr} linux; " \
@@ -212,20 +223,27 @@
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
- "else " \
- "if run loadbootenv; then " \
- "run importbootenv; " \
- "if test -n ${uenvcmd}; then " \
- "echo Running uenvcmd ...;" \
- "run uenvcmd;" \
+ "fi;" \
+ "if run loadbootenv; then " \
+ "echo Loaded environment from ${bootenv};" \
+ "run importbootenv;" \
+ "fi;" \
+ "if test -n $uenvcmd; then " \
+ "echo Running uenvcmd ...;" \
+ "run uenvcmd;" \
+ "fi;" \
+ "if run loaduimage; then " \
+ "run mmcboot;" \
+ "fi;" \
+ "if run loadzimage; then " \
+ "if test -n $dtbfile; then " \
+ "if run loadfdt; then " \
+ "run mmcbootfdt;" \
"fi;" \
"fi;" \
- "if run loaduimage; then " \
- "run mmcboot; " \
- "else run nandboot; " \
- "fi; " \
- "fi; " \
- "else run nandboot; fi"
+ "fi;" \
+ "fi;" \
+ "run nandboot; " \
#define CONFIG_AUTO_COMPLETE 1
/*
--
1.8.3.2
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