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conf: Add extlinux.conf support on some 32bit platforms

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To make use of the "generic distro boot" support in U-Boot, an
extlinux.conf file needs to be generated and reside in the extlinux
directory.  The extlinux.conf file will be parsed by U-Boot and the
"append" line will be evaluated and expanded and used entirely as the
bootargs passed to the kernel.  Our generated extlinux.conf states
that the kernel image and device trees live one level up (so the root
directory) from it, so populate that location with our kernel and device
trees.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Denys Dmytriyenko <denys@konsulko.com>
Signed-off-by: Yogesh Siraswar <yogeshs@ti.com>
Signed-off-by: Denys Dmytriyenko <denys@konsulko.com>
Signed-off-by: Yogesh Siraswar <yogeshs@ti.com>
This commit is contained in:
Tom Rini
2021-11-01 15:32:52 -04:00
committed by Yogesh Siraswar
parent f2d9882e17
commit 993d80764d
3 changed files with 30 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
conf/machine/include/omap-a15.inc
View File

@@ -19,6 +19,15 @@ UBOOT_ARCH = "arm"
UBOOT_ENTRYPOINT = "0x80008000"
UBOOT_LOADADDRESS = "0x80008000"
# Generate an extlinux.conf file
UBOOT_EXTLINUX = "1"
UBOOT_EXTLINUX_ROOT = "root=PARTUUID=${uuid}"
UBOOT_EXTLINUX_BOOT_FILES = " \
extlinux.conf;extlinux/extlinux.conf \
${KERNEL_IMAGETYPE} \
${KERNEL_DEVICETREE} \
"
SPL_BINARY = "MLO"
UBOOT_SUFFIX = "img"
@@ -40,5 +49,5 @@ MACHINE_FEATURES = "kernel26 apm usbgadget usbhost vfat ext2 screen alsa etherne
IMAGE_FSTYPES += "tar.xz wic.xz"
WKS_FILE ?= "sdimage-2part.wks"
IMAGE_BOOT_FILES ?= "${SPL_BINARY} u-boot.${UBOOT_SUFFIX}"
IMAGE_BOOT_FILES ?= "${SPL_BINARY} u-boot.${UBOOT_SUFFIX} ${UBOOT_EXTLINUX_BOOT_FILES}"
do_image_wic[depends] += "u-boot:do_deploy"

11
conf/machine/include/ti33x.inc
View File

@@ -43,6 +43,15 @@ UBOOT_MACHINE = "am335x_evm_config"
UBOOT_ENTRYPOINT = "0x80008000"
UBOOT_LOADADDRESS = "0x80008000"
# Generate an extlinux.conf file
UBOOT_EXTLINUX = "1"
UBOOT_EXTLINUX_ROOT = "root=PARTUUID=${uuid}"
UBOOT_EXTLINUX_BOOT_FILES = " \
extlinux.conf;extlinux/extlinux.conf \
${KERNEL_IMAGETYPE} \
${KERNEL_DEVICETREE} \
"
SPL_BINARY = "MLO"
UBOOT_SUFFIX = "img"
@@ -61,5 +70,5 @@ TI_PDK_LIMIT_BOARDS = "evmAM335x icev2AM335x iceAMIC110 bbbAM335x skAM335x"
IMAGE_FSTYPES += "tar.xz wic.xz"
WKS_FILE ?= "sdimage-2part.wks"
IMAGE_BOOT_FILES ?= "${SPL_BINARY} u-boot.${UBOOT_SUFFIX}"
IMAGE_BOOT_FILES ?= "${SPL_BINARY} u-boot.${UBOOT_SUFFIX} ${UBOOT_EXTLINUX_BOOT_FILES}"
do_image_wic[depends] += "virtual/bootloader:do_deploy"

11
conf/machine/include/ti43x.inc
View File

@@ -40,6 +40,15 @@ UBOOT_MACHINE = "am43xx_evm_config"
UBOOT_ENTRYPOINT = "0x80008000"
UBOOT_LOADADDRESS = "0x80008000"
# Generate an extlinux.conf file
UBOOT_EXTLINUX = "1"
UBOOT_EXTLINUX_ROOT = "root=PARTUUID=${uuid}"
UBOOT_EXTLINUX_BOOT_FILES = " \
extlinux.conf;extlinux/extlinux.conf \
${KERNEL_IMAGETYPE} \
${KERNEL_DEVICETREE} \
"
SPL_BINARY = "MLO"
UBOOT_SUFFIX = "img"
@@ -58,5 +67,5 @@ TI_PDK_LIMIT_BOARDS = "evmAM437x idkAM437x skAM437x"
IMAGE_FSTYPES += "tar.xz wic.xz"
WKS_FILE ?= "sdimage-2part.wks"
IMAGE_BOOT_FILES ?= "${SPL_BINARY} u-boot.${UBOOT_SUFFIX}"
IMAGE_BOOT_FILES ?= "${SPL_BINARY} u-boot.${UBOOT_SUFFIX} ${UBOOT_EXTLINUX_BOOT_FILES}"
do_image_wic[depends] += "u-boot:do_deploy"