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fvp: Add support for loading Android boot images via semihosting

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FVP now loads an Android boot image named boot.img if available,
otherwise it falls back to the existing code path.

Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Peter Collingbourne 2020-04-03 19:58:24 -07:00 committed by Tom Rini
parent ebfe611be9
commit ec8eef5e71
2 changed files with 21 additions and 9 deletions
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2
configs/vexpress_aemv8a_semi_defconfig
View File

@ -14,6 +14,8 @@ CONFIG_BOOTARGS="console=ttyAMA0 earlycon=pl011,0x1c090000 debug user_debug=31 l
# CONFIG_DISPLAY_CPUINFO is not set
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_SYS_PROMPT="VExpress64# "
CONFIG_ANDROID_BOOT_IMAGE=y
CONFIG_CMD_ABOOTIMG=y
# CONFIG_CMD_CONSOLE is not set
# CONFIG_CMD_XIMG is not set
# CONFIG_CMD_EDITENV is not set

28
include/configs/vexpress_aemv8a.h
View File

@ -177,16 +177,26 @@
"initrd_addr=0x88000000\0" \
"fdtfile=devtree.dtb\0" \
"fdt_addr=0x83000000\0" \
"fdt_high=0xffffffffffffffff\0" \
"initrd_high=0xffffffffffffffff\0"
"boot_name=boot.img\0" \
"boot_addr=0x8007f800\0"
#define CONFIG_BOOTCOMMAND "smhload ${kernel_name} ${kernel_addr}; " \
"smhload ${fdtfile} ${fdt_addr}; " \
"smhload ${initrd_name} ${initrd_addr} "\
"initrd_end; " \
"fdt addr ${fdt_addr}; fdt resize; " \
"fdt chosen ${initrd_addr} ${initrd_end}; " \
"booti $kernel_addr - $fdt_addr"
#define CONFIG_BOOTCOMMAND "if smhload ${boot_name} ${boot_addr}; then " \
" set bootargs; " \
" abootimg addr ${boot_addr}; " \
" abootimg get dtb --index=0 fdt_addr; " \
" bootm ${boot_addr} ${boot_addr} " \
" ${fdt_addr}; " \
"else; " \
" set fdt_high 0xffffffffffffffff; " \
" set initrd_high 0xffffffffffffffff; " \
" smhload ${kernel_name} ${kernel_addr}; " \
" smhload ${fdtfile} ${fdt_addr}; " \
" smhload ${initrd_name} ${initrd_addr} "\
" initrd_end; " \
" fdt addr ${fdt_addr}; fdt resize; " \
" fdt chosen ${initrd_addr} ${initrd_end}; " \
" booti $kernel_addr - $fdt_addr; " \
"fi"
#endif