[U-Boot] [PATCH 3/3] ARM: am57xx_evm: enable DFU support

[Sekhar Nori]

AM57xx GP EVM has USB2 port of the SoC exposed as
USB client port.

It is useful to be able to use this port for USB
DFU downloads.

Enable USB DFU support. Tested on AM57x GP EVM Rev
A3 using DFU to download to connected SD card, on
board eMMC and to the RAM.

Also tested to make sure connected mass storage
device to USB1 (host) port continues to get
enumerated.

configs for HS version of the AM57x EVM are
included in the patch but not really tested.

Signed-off-by: Sekhar Nori <nsekhar at ti.com>
---
 configs/am57xx_evm_defconfig    | 10 +++++++++
 configs/am57xx_hs_evm_defconfig | 10 +++++++++
 include/configs/am57xx_evm.h    | 46 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 66 insertions(+)

diff --git a/configs/am57xx_evm_defconfig b/configs/am57xx_evm_defconfig
index c95f45aca8b5..698c489552df 100644
--- a/configs/am57xx_evm_defconfig
+++ b/configs/am57xx_evm_defconfig
@@ -17,6 +17,7 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_DFU=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
@@ -36,6 +37,15 @@ CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GADGET=y
+CONFIG_USB_DWC3_OMAP=y
+CONFIG_USB_DWC3_PHY_OMAP=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Texas Instruments"
+CONFIG_G_DNL_VENDOR_NUM=0x0451
+CONFIG_G_DNL_PRODUCT_NUM=0xd022
 CONFIG_FIT=y
 CONFIG_SPL_OF_LIBFDT=y
 CONFIG_SPL_LOAD_FIT=y
diff --git a/configs/am57xx_hs_evm_defconfig b/configs/am57xx_hs_evm_defconfig
index a4bfdd594e26..a7288bce51b8 100644
--- a/configs/am57xx_hs_evm_defconfig
+++ b/configs/am57xx_hs_evm_defconfig
@@ -18,6 +18,7 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_DFU=y
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
@@ -37,6 +38,15 @@ CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GADGET=y
+CONFIG_USB_DWC3_OMAP=y
+CONFIG_USB_DWC3_PHY_OMAP=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Texas Instruments"
+CONFIG_G_DNL_VENDOR_NUM=0x0451
+CONFIG_G_DNL_PRODUCT_NUM=0xd022
 CONFIG_FIT=y
 CONFIG_SPL_OF_LIBFDT=y
 CONFIG_SPL_LOAD_FIT=y
diff --git a/include/configs/am57xx_evm.h b/include/configs/am57xx_evm.h
index 46e8d4cfd715..3d5ae1ae1d54 100644
--- a/include/configs/am57xx_evm.h
+++ b/include/configs/am57xx_evm.h
@@ -41,6 +41,47 @@
 	"uuid_disk=${uuid_gpt_disk};" \
 	"name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}"
 
+#define DFU_ALT_INFO_MMC \
+	"dfu_alt_info_mmc=" \
+	"boot part 0 1;" \
+	"rootfs part 0 2;" \
+	"MLO fat 0 1;" \
+	"MLO.raw raw 0x100 0x100;" \
+	"u-boot.img.raw raw 0x300 0x400;" \
+	"spl-os-args.raw raw 0x80 0x80;" \
+	"spl-os-image.raw raw 0x900 0x2000;" \
+	"spl-os-args fat 0 1;" \
+	"spl-os-image fat 0 1;" \
+	"u-boot.img fat 0 1;" \
+	"uEnv.txt fat 0 1\0"
+
+#define DFU_ALT_INFO_EMMC \
+	"dfu_alt_info_emmc=" \
+	"rawemmc raw 0 3751936;" \
+	"boot part 1 1;" \
+	"rootfs part 1 2;" \
+	"MLO fat 1 1;" \
+	"MLO.raw raw 0x100 0x100;" \
+	"u-boot.img.raw raw 0x300 0x400;" \
+	"spl-os-args.raw raw 0x80 0x80;" \
+	"spl-os-image.raw raw 0x900 0x2000;" \
+	"spl-os-args fat 1 1;" \
+	"spl-os-image fat 1 1;" \
+	"u-boot.img fat 1 1;" \
+	"uEnv.txt fat 1 1\0"
+
+#define DFU_ALT_INFO_RAM \
+	"dfu_alt_info_ram=" \
+	"kernel ram 0x80200000 0x4000000;" \
+	"fdt ram 0x80f80000 0x80000;" \
+	"ramdisk ram 0x81000000 0x4000000\0"
+
+#define DFUARGS \
+	"dfu_bufsiz=0x10000\0" \
+	DFU_ALT_INFO_MMC \
+	DFU_ALT_INFO_EMMC \
+	DFU_ALT_INFO_RAM \
+
 #include <configs/ti_omap5_common.h>
 
 /* Enhance our eMMC support / experience. */
@@ -70,6 +111,11 @@
 #define CONFIG_OMAP_USB_PHY
 #define CONFIG_OMAP_USB3PHY1_HOST
 
+/* USB Device Firmware Update support */
+#define CONFIG_USB_FUNCTION_DFU
+#define CONFIG_DFU_RAM
+#define CONFIG_DFU_MMC
+
 /* SATA */
 #define CONFIG_BOARD_LATE_INIT
 #define CONFIG_SCSI
-- 
2.9.0