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am335x, guardian: update boot mechanism

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- Add a boot logic in the distro boot command
  - Add fallback mechanism in alternate boot command
  - Keep single boot target -> ubifs0

Signed-off-by: Moses Christopher <BollavarapuMoses.Christopher@in.bosch.com>
This commit is contained in:
Moses Christopher 2020-03-25 06:45:48 +00:00 committed by Lokesh Vutla
parent a31216772a
commit 360ced61bd
1 changed files with 19 additions and 5 deletions
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24
include/configs/am335x_guardian.h
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@ -34,9 +34,7 @@
"ramdisk_addr_r=0x88080000\0" \
#define BOOT_TARGET_DEVICES(func) \
func(UBIFS, ubifs, 0) \
func(PXE, pxe, na) \
func(DHCP, dhcp, na)
func(UBIFS, ubifs, 0)
#define AM335XX_BOARD_FDTFILE "fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0"
@ -60,9 +58,25 @@
BOOTENV \
GUARDIAN_DEFAULT_PROD_ENV \
"bootubivol=rootfs\0" \
"distro_bootcmd=" \
"setenv autoload no; " \
"setenv rootflags \"bulk_read,chk_data_crc\"; " \
"setenv ethact usb_ether; " \
"if test \"${swi_status}\" -eq 1; then " \
"setenv extrabootargs \"swi_attached\"; " \
"if dhcp; then " \
"sleep 1; " \
"if tftp \"${tftp_load_addr}\" \"bootscript.scr\"; then " \
"source \"${tftp_load_addr}\"; " \
"fi; " \
"fi; " \
"fi;" \
"run bootcmd_ubifs0;\0" \
"altbootcmd=" \
"setenv boot_config \"extlinux-rollback.conf\"; " \
"run distro_bootcmd\0"
"setenv boot_syslinux_conf \"extlinux/extlinux-rollback.conf\"; " \
"run distro_bootcmd; " \
"setenv boot_syslinux_conf \"extlinux/extlinux.conf\"; " \
"run bootcmd_ubifs0;\0"
#endif /* ! CONFIG_SPL_BUILD */