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linux-ti-staging: Add extra dtc flags to support dtb overlays

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Added KERNEL_DTB_OVERLAY_SUPPORT to common ti-soc include. This fixes the issue
where the dtbs are build without symbols causing issue with overlays.

Please note this increases the size of the dtb for all platform
derived from ti-soc. So for custom boards disable it from local.conf to
reduce size.

Signed-off-by: Yogesh Siraswar <yogeshs@ti.com>
This commit is contained in:
Yogesh Siraswar
2021-05-21 04:51:08 -05:00
parent 0a7997966f
commit 99cf543ee3
4 changed files with 18 additions and 4 deletions
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1
conf/machine/include/ti-soc.inc
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@@ -1,4 +1,5 @@
# This is a generic TI SOC family. It is a superset of all other SOCs
# and platforms defined in meta-ti to allow BSP-level overrides.
SOC_FAMILY = "ti-soc"
KERNEL_DTB_OVERLAY_SUPPORT ?= "1"
require conf/machine/include/soc-family.inc

6
recipes-kernel/linux/linux-ti-mainline_git.bb
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@@ -8,10 +8,12 @@ inherit kernel
DEFCONFIG_BUILDER = "${WORKDIR}/ti-upstream-tools/config/defconfig_builder.sh"
require recipes-kernel/linux/setup-defconfig.inc
require recipes-kernel/linux/kernel-rdepends.inc
require recipes-kernel/linux/ti-kernel.inc
DEPENDS += "gmp-native"
KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}"
KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT} \
${EXTRA_DTC_ARGS}"
S = "${WORKDIR}/git"
@@ -23,7 +25,7 @@ SRCREV = "9f4ad9e425a1d3b6a34617b8ea226d56a119a717"
PV = "5.12+git${SRCPV}"
# Append to the MACHINE_KERNEL_PR so that a new SRCREV will cause a rebuild
MACHINE_KERNEL_PR_append = "a"
MACHINE_KERNEL_PR_append = "b"
PR = "${MACHINE_KERNEL_PR}"
KERNEL_GIT_URI = "git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git"

6
recipes-kernel/linux/linux-ti-staging_5.10.bb
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@@ -11,11 +11,13 @@ require recipes-kernel/linux/cmem.inc
require recipes-kernel/linux/ti-uio.inc
require recipes-kernel/linux/bundle-devicetree.inc
require recipes-kernel/linux/kernel-rdepends.inc
require recipes-kernel/linux/ti-kernel.inc
# Look in the generic major.minor directory for files
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-5.10:"
KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}"
KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT} \
${EXTRA_DTC_ARGS}"
S = "${WORKDIR}/git"
@@ -25,7 +27,7 @@ SRCREV = "d85aee3e19aa7403bd157d2ae30917e736096a7f"
PV = "5.10.30+git${SRCPV}"
# Append to the MACHINE_KERNEL_PR so that a new SRCREV will cause a rebuild
MACHINE_KERNEL_PR_append = "a"
MACHINE_KERNEL_PR_append = "b"
PR = "${MACHINE_KERNEL_PR}"
KERNEL_GIT_URI = "git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git"

9
recipes-kernel/linux/ti-kernel.inc Normal file
View File

@@ -0,0 +1,9 @@
# Add DTC FLAGS -@ when KERNEL_DTB_OVERLAY_SUPPORT is enabled
def get_extra_dtc_args(d):
if d.getVar('KERNEL_DTB_OVERLAY_SUPPORT') == "1":
return "DTC_FLAGS=-@"
else:
return ""
EXTRA_DTC_ARGS += "${@get_extra_dtc_args(d)}"