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 that will be generated by default assumes
that the kernel image and device trees live one level up (so the root
directory) and that in addition to the normally documented variables
being set, we can get the correct rootfs by having "uuid" be set in the
environment.
Signed-off-by: Tom Rini <tr...@konsulko.com>
---
conf/machine/include/ti33x.inc | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/conf/machine/include/ti33x.inc b/conf/machine/include/ti33x.inc
index 6dfda754e9dd..35e057d57497 100644
--- a/conf/machine/include/ti33x.inc
+++ b/conf/machine/include/ti33x.inc
@@ -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"
--
2.17.1
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