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colibri_t20: add update_uboot wrapper 

Add universal update_uboot wrapper that helps to update
U-Boot image on internal storage(NAND).

Create an proper tegra image:
$ cbootimage -s tegra20 colibri_t20-512-v12-nand.img.cfg colibri_t20.img

Flash in U-boot shell:
> tftpboot ${loadaddr} ${board_name}/${board_name}.img
> run update_uboot

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
This commit is contained in:
Igor Opaniuk 2020-03-27 12:15:47 +02:00 committed by Tom Warren
parent 195b48367f
commit a63dd98400
1 changed files with 6 additions and 2 deletions
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8
include/configs/colibri_t20.h
View File

@ -27,10 +27,14 @@
#define CONFIG_TEGRA_NAND
#define CONFIG_SYS_MAX_NAND_DEVICE 1
/* Environment in NAND, 64K is a bit excessive but erase block is 512K anyway */
#define UBOOT_UPDATE \
"update_uboot=nand erase.part u-boot && " \
"nand write ${loadaddr} u-boot ${filesize}\0" \
/* Environment in NAND, 64K is a bit excessive but erase block is 512K anyway */
#define BOARD_EXTRA_ENV_SETTINGS \
"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0"
"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
UBOOT_UPDATE
/* Increase console I/O buffer size */
#undef CONFIG_SYS_CBSIZE