Use linux-yocto kernel from OE-core

Updates all machines to use the linux-yocto kernel from OE-core instead
of maintaining distinct kernels in this repository.

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>

conf/machine/include/rk3288.inc

@@ -7,7 +7,7 @@ require conf/machine/include/tune-cortexa17.inc
 require conf/machine/include/soc-family.inc
 require conf/machine/include/rockchip-defaults.inc
 
-KBUILD_DEFCONFIG = "multi_v7_defconfig"
+KBUILD_DEFCONFIG ?= "multi_v7_defconfig"
 KERNEL_IMAGETYPE = "zImage"
 
 SERIAL_CONSOLES = "115200;ttyS2"

conf/machine/include/rockchip-defaults.inc

@@ -1,7 +1,8 @@
 # meta-rockchip default settings
 
 # kernel
-PREFERRED_PROVIDER_virtual/kernel ?= "linux-stable"
+PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
+KCONFIG_MODE ?= "alldefconfig"
 LINUX_VERSION_EXTENSION ?= "-rockchip"
 
 # xserver

recipes-kernel/linux/files/0001-menuconfig-mconf-cfg-Allow-specification-of-ncurses-.patch

@@ -1,51 +0,0 @@
-From 846b11d8c834af4fa62393dadb490ea8246b332c Mon Sep 17 00:00:00 2001
-From: Bruce Ashfield <bruce.ashfield@windriver.com>
-Date: Mon, 2 Jul 2018 23:10:28 -0400
-Subject: [PATCH] menuconfig,mconf-cfg: Allow specification of ncurses location
-
-In some cross build environments such as the Yocto Project build
-environment it provides an ncurses library that is compiled
-differently than the host's version.  This causes display corruption
-problems when the host's curses includes are used instead of the
-includes from the provided compiler are overridden.  There is a second
-case where there is no curses libraries at all on the host system and
-menuconfig will just fail entirely.
-
-The solution is simply to allow an override variable in
-check-lxdialog.sh for environments such as the Yocto Project.  Adding
-a CROSS_CURSES_LIB and CROSS_CURSES_INC solves the issue and allowing
-compiling and linking against the right headers and libraries.
-
-Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
-cc: Michal Marek <mmarek@suse.cz>
-cc: linux-kbuild@vger.kernel.org
-Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
----
- scripts/kconfig/mconf-cfg.sh | 8 ++++++++
- 1 file changed, 8 insertions(+)
- mode change 100755 => 100644 scripts/kconfig/mconf-cfg.sh
-
-diff --git a/scripts/kconfig/mconf-cfg.sh b/scripts/kconfig/mconf-cfg.sh
-old mode 100755
-new mode 100644
-index c812872d7f9d..65a9b9e5b8a6
---- a/scripts/kconfig/mconf-cfg.sh
-+++ b/scripts/kconfig/mconf-cfg.sh
-@@ -4,6 +4,14 @@
- PKG="ncursesw"
- PKG2="ncurses"
- 
-+if [ "$CROSS_CURSES_LIB" != "" ]; then
-+    echo libs=\'$CROSS_CURSES_LIB\'
-+    if [ x"$CROSS_CURSES_INC" != x ]; then
-+	echo cflags=\'$CROSS_CURSES_INC\'
-+    fi
-+    exit 0
-+fi
-+
- if [ -n "$(command -v pkg-config)" ]; then
- 	if pkg-config --exists $PKG; then
- 		echo cflags=\"$(pkg-config --cflags $PKG)\"
--- 
-2.20.1
-

recipes-kernel/linux/linux-longterm_4.19.bb

@@ -1,9 +0,0 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
-
-LINUX_VERSION ?= "4.19.113"
-KBRANCH ?= "linux-4.19.y"
-SRCREV ?= "54b4fa6d39551639cb10664f6ac78b01993a1d7e"
-
-require linux-mutual.inc
-
-COMPATIBLE_MACHINE = "(firefly-rk3288|marsboard-rk3066|radxarock|rock2-square|^tinker-board$|vyasa-rk3288)"

recipes-kernel/linux/linux-longterm_5.4.bb

@@ -1,7 +0,0 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
-
-LINUX_VERSION ?= "5.4.28"
-KBRANCH ?= "linux-5.4.y"
-SRCREV ?= "462afcd6e7ea94a7027a96a3bb12d0140b0b4216"
-
-require linux-mutual.inc

recipes-kernel/linux/linux-mainline_5.6.bb

@@ -1,9 +0,0 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
-
-LINUX_VERSION ?= "5.6-rc7"
-KBRANCH ?= "master"
-SRCREV ?= "16fbf79b0f83bc752cee8589279f1ebfe57b3b6e"
-
-require linux-mutual.inc
-
-LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"

recipes-kernel/linux/linux-mutual.inc

@@ -1,18 +0,0 @@
-DESCRIPTION = "Linux Kernel"
-SECTION = "kernel"
-LICENSE = "GPLv2"
-
-LIC_FILES_CHKSUM = "file://COPYING;md5=bbea815ee2795b2f4230826c0c6b8814"
-
-SRC_URI = " \
-    git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git;branch=${KBRANCH} \
-    file://0001-menuconfig-mconf-cfg-Allow-specification-of-ncurses-.patch \
-    "
-
-inherit kernel
-require recipes-kernel/linux/linux-yocto.inc
-
-PV = "${LINUX_VERSION}+git${SRCPV}"
-
-KCONF_BSP_AUDIT_LEVEL = "0"
-deltask kernel_configme

recipes-kernel/linux/linux-stable_5.5.bb

@@ -1,7 +0,0 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
-
-LINUX_VERSION ?= "5.5.13"
-KBRANCH ?= "linux-5.5.y"
-SRCREV ?= "fe5ae687d01e74854ed33666c932a9c11e22139c"
-
-require linux-mutual.inc

recipes-kernel/linux/linux-yocto/0001-ARM-dts-rockchip-Keep-rk3288-tinker-SD-card-IO-power.patch

@@ -0,0 +1,31 @@
+From 04ab2a1f052f363985b373f07ea71840918378d2 Mon Sep 17 00:00:00 2001
+From: Joshua Watt <JPEWhacker@gmail.com>
+Date: Wed, 19 Feb 2020 13:10:32 -0600
+Subject: [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered
+ during reboot
+
+IO voltage regulator for the SD card must be kept on all the time,
+otherwise when the board reboots the SD card can't be read by the
+bootloader.
+
+Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
+Upstream-Status: Accepted in 5.7
+---
+ arch/arm/boot/dts/rk3288-tinker.dtsi | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/arch/arm/boot/dts/rk3288-tinker.dtsi b/arch/arm/boot/dts/rk3288-tinker.dtsi
+index 312582c1bd37..acfaa12ec239 100644
+--- a/arch/arm/boot/dts/rk3288-tinker.dtsi
++++ b/arch/arm/boot/dts/rk3288-tinker.dtsi
+@@ -276,6 +276,7 @@
+ 			};
+ 
+ 			vccio_sd: LDO_REG5 {
++				regulator-always-on;
+ 				regulator-boot-on;
+ 				regulator-min-microvolt = <1800000>;
+ 				regulator-max-microvolt = <3300000>;
+-- 
+2.17.1
+

recipes-kernel/linux/linux-yocto_%.bbappend

@@ -0,0 +1,2 @@
+COMPATIBLE_MACHINE .= "|firefly-rk3288|marsboard-rk3066|radxarock|rock-pi-4|rock2-square|tinker-board-s|tinker-board|vyasa-rk3288"
+

recipes-kernel/linux/linux-yocto_5.4.bbappend

@@ -0,0 +1,5 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+
+# tinker-board and tinker-board-s. rk3288 covers both
+SRC_URI_append_rk3288 = " file://0001-ARM-dts-rockchip-Keep-rk3288-tinker-SD-card-IO-power.patch"
+