[RFC] mx6cuboxi: Enable OF_CONTROL and DM in SPL

[Walter Lozano]

Make an additional step to add full DM support to mx6cuboxi, including its support for SPL

With this new configuration SPL image is 50 KB, higher than the
38 KB from the previous version, but it still under the 68 KB limit.

Signed-off-by: Walter Lozano <walter.lozano at collabora.com>
---
 arch/arm/dts/imx6qdl-hummingboard2-emmc-som-v15-u-boot.dtsi | 4 ++++
 configs/mx6cuboxi_defconfig                                 | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/arch/arm/dts/imx6qdl-hummingboard2-emmc-som-v15-u-boot.dtsi b/arch/arm/dts/imx6qdl-hummingboard2-emmc-som-v15-u-boot.dtsi
index d302b2e275..b1364a0bbf 100644
--- a/arch/arm/dts/imx6qdl-hummingboard2-emmc-som-v15-u-boot.dtsi
+++ b/arch/arm/dts/imx6qdl-hummingboard2-emmc-som-v15-u-boot.dtsi
@@ -34,3 +34,7 @@
 &usdhc1 {
 	status = "disabled";
 };
+
+&usdhc2 {
+	u-boot,dm-pre-reloc;
+};
diff --git a/configs/mx6cuboxi_defconfig b/configs/mx6cuboxi_defconfig
index 23ce485f43..ae8d920260 100644
--- a/configs/mx6cuboxi_defconfig
+++ b/configs/mx6cuboxi_defconfig
@@ -24,6 +24,7 @@ CONFIG_USE_PREBOOT=y
 CONFIG_PREBOOT="if hdmidet; then usb start; setenv stdin  serial,usbkbd; setenv stdout serial,vga; setenv stderr serial,vga; else setenv stdin  serial; setenv stdout serial; setenv stderr serial; fi;"
 CONFIG_BOUNCE_BUFFER=y
 CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_SPL_SEPARATE_BSS=y
 CONFIG_SPL_FS_EXT4=y
 CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
@@ -36,6 +37,7 @@ CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT4_WRITE=y
 # CONFIG_SPL_PARTITION_UUIDS is not set
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="imx6dl-hummingboard2-emmc-som-v15"
 CONFIG_OF_LIST="imx6dl-hummingboard2-emmc-som-v15 imx6q-hummingboard2-emmc-som-v15"
 CONFIG_MULTI_DTB_FIT=y
@@ -44,6 +46,7 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
+CONFIG_SPL_DM=y
 CONFIG_DWC_AHSATA=y
 CONFIG_DM_GPIO=y
 CONFIG_DM_MMC=y
-- 
2.20.1