sunxi: activate SPI flash support in kernel

This adds the MTD subsystem and all the options needed to load a root
file system from a SPI flash.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/target/linux/sunxi/config-4.14 b/target/linux/sunxi/config-4.14
index 9f15b902ae0267616e13d9009971db3fea82e152..e0dafe17e4a70af1606972abeb57d285c07d4df6 100644 (file)
--- a/target/linux/sunxi/config-4.14
+++ b/target/linux/sunxi/config-4.14
@@ -365,7 +365,11 @@ CONFIG_MMC_SUNXI=y
 CONFIG_MMU_NOTIFIER=y
 CONFIG_MODULES_TREE_LOOKUP=y
 CONFIG_MODULES_USE_ELF_REL=y
-# CONFIG_MTD is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_M25P80=y
+CONFIG_MTD_SPI_NOR=y
+CONFIG_MTD_SPLIT_FIRMWARE=y
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
 CONFIG_MULTI_IRQ_HANDLER=y
 CONFIG_MUTEX_SPIN_ON_OWNER=y
 CONFIG_NEED_DMA_MAP_STATE=y