[U-Boot] [PATCH] ARM: am3517-evm: Migrate to SPL_OF_CONTROL

[Adam Ford]

Like the other Logic PD OMAP35/DM37 boards, this board has device
tree enabled for U-Boot.  This patch converts the board to enable
SPL_OF_CONTROL and further shrinks the device tree in SPL to limit
it to UART3 (console), MMC1, i2c1, and GPIO4 (for mmc1 CD and WP).

There appears to be a bug in minicom so users may need to
switch the minicom terminal emulation to ANSI from VT102 due
to the junk that gets pushed out of the UART on startup.

Signed-off-by: Adam Ford <aford173 at gmail.com>

diff --git a/arch/arm/dts/am3517-evm-u-boot.dtsi b/arch/arm/dts/am3517-evm-u-boot.dtsi
index 59df819f9d..d5a4ce97d1 100644
--- a/arch/arm/dts/am3517-evm-u-boot.dtsi
+++ b/arch/arm/dts/am3517-evm-u-boot.dtsi
@@ -4,20 +4,40 @@
  * Logic PD - http://www.logicpd.com
  */
 
+#include "omap3-u-boot.dtsi"
+
 / {
-	chosen {
-		stdout-path = &uart3;
+	aliases {
+		/delete-property/ serial0;
+		/delete-property/ serial1;
+	};
+
+	ocp at 68000000 {
+		/delete-node/ bandgap at 48002524;
 	};
 };
 
-&uart1 {
-	reg-shift = <2>;
+&gpio1 {
+	/delete-property/ u-boot,dm-spl;
+};
+
+&gpio2 {
+	/delete-property/ u-boot,dm-spl;
+};
+
+&gpio3 {
+	/delete-property/ u-boot,dm-spl;
 };
 
-&uart2 {
-	reg-shift = <2>;
+&gpio5 {
+	/delete-property/ u-boot,dm-spl;
 };
 
-&uart3 {
-	reg-shift = <2>;
+&gpio6 {
+	/delete-property/ u-boot,dm-spl;
 };
+
+/delete-node/ &uart1;
+/delete-node/ &uart2;
+/delete-node/ &mmc2;
+/delete-node/ &mmc3;
diff --git a/configs/am3517_evm_defconfig b/configs/am3517_evm_defconfig
index b9f59f3291..64e62a4205 100644
--- a/configs/am3517_evm_defconfig
+++ b/configs/am3517_evm_defconfig
@@ -1,11 +1,15 @@
 CONFIG_ARM=y
+# CONFIG_SPL_USE_ARCH_MEMCPY is not set
+# CONFIG_TPL_USE_ARCH_MEMCPY is not set
+# CONFIG_SPL_USE_ARCH_MEMSET is not set
+# CONFIG_TPL_USE_ARCH_MEMSET is not set
 CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TI_COMMON_CMD_OPTIONS=y
-# CONFIG_SPL_GPIO_SUPPORT is not set
-CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_TARGET_AM3517_EVM=y
 CONFIG_EMIF4=y
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x3000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
@@ -14,7 +18,10 @@ CONFIG_BOOTDELAY=10
 CONFIG_VERSION_VARIABLE=y
 CONFIG_SPL_TEXT_BASE=0x40200000
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_SEPARATE_BSS=y
+# CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR is not set
 # CONFIG_SPL_FS_EXT4 is not set
+# CONFIG_SPL_I2C_SUPPORT is not set
 CONFIG_SPL_MTD_SUPPORT=y
 CONFIG_SPL_OS_BOOT=y
 CONFIG_SYS_PROMPT="AM3517_EVM # "
@@ -34,9 +41,13 @@ CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1920k(u-boot),256k(u-boot-env),8m(kernel),512k(dtb),-(rootfs)"
 CONFIG_CMD_UBI=y
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="am3517-evm"
 # CONFIG_ENV_IS_IN_FAT is not set
 CONFIG_ENV_IS_IN_NAND=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_DM_PCA953X=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y
@@ -49,7 +60,6 @@ CONFIG_DRIVER_TI_EMAC=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_SINGLE=y
 # CONFIG_TWL4030_POWER is not set
-CONFIG_CONS_INDEX=3
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_OMAP3_SPI=y
@@ -59,3 +69,4 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_AM35X=y
 CONFIG_BCH=y
+CONFIG_SPL_TINY_MEMSET=y
-- 
2.17.1