Merge from bittboy/buildroot@db180c0

board/asus/tinker/extlinux.conf

@@ -0,0 +1,4 @@
+label Tinker linux-next
+  kernel /boot/uImage
+  devicetree /boot/rk3288-tinker.dtb
+  append console=ttyS2,115200n8 root=/dev/mmcblk0p1 rootwait

board/asus/tinker/genimage.cfg

@@ -0,0 +1,15 @@
+image sdcard.img {
+	hdimage {
+	}
+
+	partition u-boot-spl-dtb {
+		in-partition-table = "no"
+		image = "u-boot-spl-dtb.img"
+		offset = 32K
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+	}
+}

board/asus/tinker/patches/uboot/0001-include-configs-Increase-CONFIG_SYS_BOOTM_LEN-to-16M.patch

@@ -0,0 +1,35 @@
+From 8ee2b03039cccf64402a72dea2185d7fe1972729 Mon Sep 17 00:00:00 2001
+From: Shyam Saini <shyam.saini@amarulasolutions.com>
+Date: Mon, 15 Apr 2019 16:16:16 +0530
+Subject: [PATCH] include: configs: Increase CONFIG_SYS_BOOTM_LEN to 16MB
+
+The default value of CONFIG_SYS_BOOTM_LEN is 0x800000 i.e, 8MB which
+causes board reset because of larger uImage size.
+
+Error log snippet:
+   Booting using the fdt blob at 0x1f00000
+   Loading Kernel Image ... Image too large: increase CONFIG_SYS_BOOTM_LEN
+Must RESET board to recover
+resetting ...
+
+Signed-off-by: Shyam Saini <shyam.saini@amarulasolutions.com>
+---
+ include/configs/rk3288_common.h | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h
+index 72a54bc0ab..eab7cf4d86 100644
+--- a/include/configs/rk3288_common.h
++++ b/include/configs/rk3288_common.h
+@@ -9,6 +9,8 @@
+ #include <asm/arch/hardware.h>
+ #include "rockchip-common.h"
+ 
++#define CONFIG_SYS_BOOTM_LEN (16 << 20) /* 16MB */
++
+ #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY
+ #define CONFIG_SYS_MALLOC_LEN		(32 << 20)
+ #define CONFIG_SYS_CBSIZE		1024
+-- 
+2.11.0
+

board/asus/tinker/post-build.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+MKIMAGE=$HOST_DIR/bin/mkimage
+BOARD_DIR="$(dirname $0)"
+
+$MKIMAGE -n rk3288 -T rksd -d $BINARIES_DIR/u-boot-spl-dtb.bin $BINARIES_DIR/u-boot-spl-dtb.img
+cat $BINARIES_DIR/u-boot-dtb.bin >> $BINARIES_DIR/u-boot-spl-dtb.img
+
+install -m 0644 -D $BOARD_DIR/extlinux.conf $TARGET_DIR/boot/extlinux/extlinux.conf

board/asus/tinker/readme.txt

@@ -0,0 +1,37 @@
+Tinker RK3288
+=============
+
+Tinker Board is a Single Board Computer (SBC) in an ultra-small form
+factor that offers class-leading performance while leveraging outstanding
+mechanical compatibility.
+
+Tinker link:
+https://www.asus.com/in/Single-Board-Computer/Tinker-Board/
+
+Wiki link:
+https://openedev.amarulasolutions.com/display/ODWIKI/Tinker+RK3288
+
+How to build it
+===============
+
+  $ make asus_tinker_rk3288_defconfig
+
+Then you can edit the build options using
+
+  $ make menuconfig
+
+Compile all and build rootfs image:
+
+  $ make
+
+Prepare your SDCard
+===================
+
+Buildroot generates a ready-to-use SD card image that you can flash directly to
+the card. The image will be in output/images/sdcard.img.
+You can write this image directly to an SD card device (i.e. /dev/xxx):
+
+  $ sudo dd if=output/images/sdcard.img of=/dev/xxx
+  $ sudo sync
+
+Finally, you can insert the SD card to the Tinker RK3288 board and boot it.