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configs: Enable distroboot on am625

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TI boards use a custom (though faily common to TI boards) mechanism for
booting Linux. We would like to use the "distroboot" approach.

Enable distroboot as a further option to use for booting on am625 should
the existing options fail.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
This commit is contained in:
Martyn Welch 2022-12-20 18:38:19 +00:00 committed by Tom Rini
parent 7c34b71a42
commit 83f5195e32
2 changed files with 26 additions and 2 deletions
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2
configs/am62x_evm_a53_defconfig
View File

@ -23,7 +23,7 @@ CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x80480000
# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
CONFIG_SPL_LOAD_FIT=y CONFIG_SPL_LOAD_FIT=y
CONFIG_SPL_LOAD_FIT_ADDRESS=0x81000000 CONFIG_SPL_LOAD_FIT_ADDRESS=0x81000000
CONFIG_BOOTCOMMAND="run findfdt; run envboot; run init_${boot}; run get_kern_${boot}; run get_fdt_${boot}; run get_overlay_${boot}; run run_kern" CONFIG_BOOTCOMMAND="run findfdt; run envboot; run init_${boot}; run get_kern_${boot}; run get_fdt_${boot}; run get_overlay_${boot}; run run_kern; setenv fdtfile ti/${name_fdt}; run distro_bootcmd"
CONFIG_SPL_MAX_SIZE=0x58000 CONFIG_SPL_MAX_SIZE=0x58000
CONFIG_SPL_HAS_BSS_LINKER_SECTION=y CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
CONFIG_SPL_BSS_START_ADDR=0x80a00000 CONFIG_SPL_BSS_START_ADDR=0x80a00000

26
include/configs/am62x_evm.h
View File

@ -15,6 +15,29 @@
/* DDR Configuration */ /* DDR Configuration */
#define CFG_SYS_SDRAM_BASE1 0x880000000 #define CFG_SYS_SDRAM_BASE1 0x880000000
#ifdef CONFIG_CMD_MMC
#define DISTRO_BOOT_DEV_MMC(func) func(MMC, mmc, 0) func(MMC, mmc, 1)
#else
#define DISTRO_BOOT_DEV_MMC(func)
#endif
#ifdef CONFIG_CMD_PXE
#define DISTRO_BOOT_DEV_PXE(func) func(PXE, pxe, na)
#else
#define DISTRO_BOOT_DEV_PXE(func)
#endif
#ifdef CONFIG_CMD_DHCP
#define DISTRO_BOOT_DEV_DHCP(func) func(DHCP, dhcp, na)
#else
#define DISTRO_BOOT_DEV_DHCP(func)
#endif
#define BOOT_TARGET_DEVICES(func) \
DISTRO_BOOT_DEV_MMC(func) \
DISTRO_BOOT_DEV_PXE(func) \
DISTRO_BOOT_DEV_DHCP(func)
#define PARTS_DEFAULT \ #define PARTS_DEFAULT \
/* Linux partitions */ \ /* Linux partitions */ \
"name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0" "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
@ -59,7 +82,8 @@
DEFAULT_LINUX_BOOT_ENV \ DEFAULT_LINUX_BOOT_ENV \
DEFAULT_MMC_TI_ARGS \ DEFAULT_MMC_TI_ARGS \
EXTRA_ENV_AM625_BOARD_SETTINGS \ EXTRA_ENV_AM625_BOARD_SETTINGS \
EXTRA_ENV_AM625_BOARD_SETTINGS_MMC EXTRA_ENV_AM625_BOARD_SETTINGS_MMC \
BOOTENV
/* Now for the remaining common defines */ /* Now for the remaining common defines */
#include <configs/ti_armv7_common.h> #include <configs/ti_armv7_common.h>