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Nokia RX-51: Add support for booting kernel in zImage format

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Enable U-Boot bootz command and update env scripts to try loading also
zImage file and to try booting via bootz command.

Update also lowlevel_init.S code for checking validity of zImage magic to
correctly relocate kernel in zImage format.

This change allows U-Boot to directly boot Linux kernel without need for
converting kernel image into U-Boot uImage format.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210618132704.32066-1-pali@kernel.org
This commit is contained in:
Pali Rohár
2021-06-18 15:27:03 +02:00
committed by Lokesh Vutla
parent 149389424f
commit cc434fccba
5 changed files with 91 additions and 19 deletions
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configs/nokia_rx51_defconfig
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@@ -18,6 +18,7 @@ CONFIG_CONSOLE_MUX=y
CONFIG_HUSH_PARSER=y
CONFIG_SYS_PROMPT="Nokia RX-51 # "
# CONFIG_CMD_BDI is not set
CONFIG_CMD_BOOTZ=y
# CONFIG_BOOTM_NETBSD is not set
# CONFIG_BOOTM_PLAN9 is not set
# CONFIG_BOOTM_RTEMS is not set