verdin-am62: add DFU, USB and UUU fastboot support

Enable USB host as well as USB gadget and DFU support for a53 and r5
configs. Also, enable UUU fastboot support to download files with
the UUU tool from a53.

Additionally, configure usb0 to peripheral mode and add extra
environment for DFU use.

Signed-off-by: Vitor Soares <vitor.soares@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>

arch/arm/dts/k3-am625-verdin-wifi-dev-u-boot.dtsi

@@ -173,6 +173,17 @@
 	status = "disabled";
 };
 
+&usb0 {
+	dr_mode = "peripheral";
+	/* Since role switching is not supported in U-Boot */
+	/delete-property/ extcon;
+	bootph-pre-ram;
+};
+
+&usbss0 {
+	bootph-pre-ram;
+};
+
 /* Verdin UART_2 */
 &wkup_uart0 {
 	bootph-all;

configs/verdin-am62_a53_defconfig

@@ -73,12 +73,15 @@ CONFIG_MD5SUM_VERIFY=y
 CONFIG_CMD_MEMTEST=y
 CONFIG_CMD_BCB=y
 CONFIG_CMD_CLK=y
+CONFIG_CMD_DFU=y
 CONFIG_CMD_DM=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_READ=y
 CONFIG_CMD_REMOTEPROC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
 CONFIG_CMD_BOOTCOUNT=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
@@ -115,8 +118,15 @@ CONFIG_BOOTCOUNT_ENV=y
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
 CONFIG_CLK_TI_SCI=y
+CONFIG_DFU_RAM=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x5000
+CONFIG_SYS_DFU_MAX_FILE_SIZE=0x800000
 CONFIG_DMA_CHANNELS=y
 CONFIG_TI_K3_NAVSS_UDMA=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0xC0000000
+CONFIG_FASTBOOT_BUF_SIZE=0x2F000000
+CONFIG_FASTBOOT_UUU_SUPPORT=y
 CONFIG_TI_SCI_PROTOCOL=y
 CONFIG_GPIO_HOG=y
 CONFIG_SPL_GPIO_HOG=y
@@ -178,5 +188,22 @@ CONFIG_SYSRESET=y
 CONFIG_SPL_SYSRESET=y
 CONFIG_SYSRESET_TI_SCI=y
 CONFIG_DM_THERMAL=y
+CONFIG_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_SPL_USB_DWC3_GENERIC=y
+CONFIG_SPL_USB_DWC3_AM62=y
+CONFIG_USB_DWC3_AM62=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_USB_HOST_ETHER=y
+CONFIG_USB_GADGET=y
+CONFIG_SPL_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="Toradex"
+CONFIG_USB_GADGET_VENDOR_NUM=0x1b67
+CONFIG_USB_GADGET_PRODUCT_NUM=0x4000
+CONFIG_SPL_DFU=y
 CONFIG_FS_FAT_MAX_CLUSTSIZE=16384
 CONFIG_HEXDUMP=y

configs/verdin-am62_r5_defconfig

@@ -43,6 +43,7 @@ CONFIG_SPL_SYS_MALLOC_SIZE=0x1000000
 CONFIG_SPL_EARLY_BSS=y
 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x400
+CONFIG_SPL_ENV_SUPPORT=y
 CONFIG_SPL_I2C=y
 CONFIG_SPL_DM_MAILBOX=y
 CONFIG_SPL_DM_RESET=y
@@ -68,19 +69,22 @@ CONFIG_SPL_DM=y
 CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_REGMAP=y
 CONFIG_SPL_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_SPL_SYSCON=y
 CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
 CONFIG_SPL_CLK_CCF=y
 CONFIG_SPL_CLK_K3_PLL=y
 CONFIG_SPL_CLK_K3=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x5000
 CONFIG_TI_SCI_PROTOCOL=y
 CONFIG_DA8XX_GPIO=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_OMAP24XX=y
 CONFIG_DM_MAILBOX=y
 CONFIG_K3_SEC_PROXY=y
-CONFIG_SPL_MISC=y
+CONFIG_MISC=y
 CONFIG_ESM_K3=y
 CONFIG_SPL_MMC_HS200_SUPPORT=y
 CONFIG_MMC_SDHCI=y
@@ -105,5 +109,19 @@ CONFIG_SOC_TI=y
 CONFIG_TIMER=y
 CONFIG_SPL_TIMER=y
 CONFIG_OMAP_TIMER=y
+CONFIG_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_SPL_USB_DWC3_GENERIC=y
+CONFIG_SPL_USB_DWC3_AM62=y
+CONFIG_USB_GADGET=y
+CONFIG_SPL_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="Toradex"
+CONFIG_USB_GADGET_VENDOR_NUM=0x1b67
+CONFIG_USB_GADGET_PRODUCT_NUM=0x4000
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_SPL_DFU=y
 CONFIG_LIB_RATIONAL=y
 CONFIG_SPL_LIB_RATIONAL=y

include/configs/verdin-am62.h

@@ -35,9 +35,18 @@
 	""
 #endif /* CONFIG_TARGET_VERDIN_AM62_A53 */
 
+#define EXTRA_ENV_DFUARGS \
+	"dfu_alt_info_ram=" \
+	"tispl.bin ram 0x80080000 0x200000;" \
+	"u-boot.img ram 0x81000000 0x400000;" \
+	"loadaddr ram " __stringify(CONFIG_SYS_LOAD_ADDR) " 0x80000;" \
+	"scriptaddr ram " __stringify(SCRIPTADDR) " 0x80000;" \
+	"ramdisk_addr_r ram " __stringify(RAMDISK_ADDR_R) " 0x8000000\0"
+
 /* Incorporate settings into the U-Boot environment */
 #define CFG_EXTRA_ENV_SETTINGS \
 	BOOTENV \
+	EXTRA_ENV_DFUARGS \
 	MEM_LAYOUT_ENV_SETTINGS \
 	"boot_script_dhcp=boot.scr\0" \
 	"console=ttyS2\0" \