From 9472bc2b504603716fe79360e917a1b2aaf456ae Mon Sep 17 00:00:00 2001 From: Sam Protsenko Date: Wed, 9 Jul 2025 17:29:24 -0500 Subject: [PATCH] configs: e850-96: Enable USB gadget and fastboot Now that USB phy and dwc3 glue layer was added for Exynos850, USB gadget is functional on E850-96 board. Enable next features to make it useful: - Exynos850 USB PHY driver (needed for all USB functions) - dwc3 generic driver - USB gadget - CONFIG_DM_USB_GADGET: needed for DWC3 glue layer to instantiate the peripheral driver, i.e. dwc3_generic_peripheral_probe() - USB VID and PID - DFU - Fastboot (including flashing to eMMC boot partitions) As all Exynos firmware binaries (including U-Boot) are contained in eMMC boot partition A (mmc0boot0), because that's where Boot ROM code jumps, it might be useful to be able to flash that area with fastboot. Other more fine grained choices for updating the firmware would be DFU and EFI Capsule Update mechanism. Signed-off-by: Sam Protsenko Signed-off-by: Minkyu Kang --- configs/e850-96_defconfig | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/configs/e850-96_defconfig b/configs/e850-96_defconfig index 375805b3e5c..96e91959f16 100644 --- a/configs/e850-96_defconfig +++ b/configs/e850-96_defconfig @@ -15,7 +15,6 @@ CONFIG_SYS_LOAD_ADDR=0x80000000 CONFIG_ENV_OFFSET_REDUND=0x10000 # CONFIG_PSCI_RESET is not set CONFIG_EFI_SET_TIME=y -CONFIG_ANDROID_BOOT_IMAGE=y CONFIG_BOOTSTD_FULL=y CONFIG_DEFAULT_FDT_FILE="exynos850-e850-96.dtb" # CONFIG_DISPLAY_CPUINFO is not set @@ -24,6 +23,7 @@ CONFIG_CMD_BOOTEFI_SELFTEST=y CONFIG_CMD_ABOOTIMG=y CONFIG_CMD_NVEDIT_EFI=y CONFIG_CMD_CLK=y +CONFIG_CMD_DFU=y CONFIG_CMD_GPT=y CONFIG_CMD_MMC=y CONFIG_CMD_EFIDEBUG=y @@ -39,8 +39,18 @@ CONFIG_ENV_RELOC_GD_ENV_ADDR=y CONFIG_ENV_MMC_EMMC_HW_PARTITION=2 CONFIG_NO_NET=y CONFIG_CLK_EXYNOS850=y +CONFIG_DFU_MMC=y +CONFIG_USB_FUNCTION_FASTBOOT=y +CONFIG_FASTBOOT_BUF_ADDR=0x8a000000 +CONFIG_FASTBOOT_BUF_SIZE=0x30000000 +CONFIG_FASTBOOT_FLASH=y +CONFIG_FASTBOOT_FLASH_MMC_DEV=0 +CONFIG_FASTBOOT_MMC_BOOT_SUPPORT=y +CONFIG_FASTBOOT_CMD_OEM_FORMAT=y CONFIG_SUPPORT_EMMC_BOOT=y CONFIG_MMC_DW=y +CONFIG_PHY=y +CONFIG_PHY_EXYNOS_USBDRD=y CONFIG_DM_RTC=y CONFIG_RTC_EMULATION=y CONFIG_SOC_SAMSUNG=y @@ -48,3 +58,11 @@ CONFIG_EXYNOS_PMU=y CONFIG_EXYNOS_USI=y CONFIG_SYSRESET=y CONFIG_SYSRESET_SYSCON=y +CONFIG_USB=y +CONFIG_DM_USB_GADGET=y +CONFIG_USB_DWC3=y +CONFIG_USB_DWC3_GENERIC=y +CONFIG_USB_GADGET=y +CONFIG_USB_GADGET_MANUFACTURER="Samsung" +CONFIG_USB_GADGET_VENDOR_NUM=0x18d1 +CONFIG_USB_GADGET_PRODUCT_NUM=0x0002 -- 2.47.2