[PATCH v4 5/7] configs: am62x_evm_*: Enable USB and DFU support

[Roger Quadros]

Hi Sjoerd,

On 12/01/2024 10:52, Sjoerd Simons wrote:
> Enable USB host as well as USB gadget and DFU support for a53; For the
> r5 due to the smaller available size create a config fragment for DFU
> supports which disables support for persistent storage to free up space
> for USB support
> 
> Signed-off-by: Sjoerd Simons <sjoerd at collabora.com>
> 
> ---
> 
> Changes in v4:
> - Move R5 dfu config to a config fragment rather then a full defconfig
> - Don't enable XHCI for the R5 SPL, unneeded
> 
> Changes in v3:
> - Run savedefconfig to adjust to more recent u-boot
> 
> Changes in v2:
> - Create a seperate defconfig for R5
> 
>  configs/am62x_evm_a53_defconfig | 30 ++++++++++++++++++++++++++++++
>  configs/am62x_r5_usbdfu.config  | 28 ++++++++++++++++++++++++++++
>  2 files changed, 58 insertions(+)
>  create mode 100644 configs/am62x_r5_usbdfu.config
> 
> diff --git a/configs/am62x_evm_a53_defconfig b/configs/am62x_evm_a53_defconfig
> index aa96c1b3125..f335eb11e63 100644
> --- a/configs/am62x_evm_a53_defconfig
> +++ b/configs/am62x_evm_a53_defconfig
> @@ -1,5 +1,6 @@
>  CONFIG_ARM=y
>  CONFIG_ARCH_K3=y
> +CONFIG_SYS_MALLOC_LEN=0x2000000
>  CONFIG_SYS_MALLOC_F_LEN=0x8000
>  CONFIG_SPL_LIBCOMMON_SUPPORT=y
>  CONFIG_SPL_LIBGENERIC_SUPPORT=y
> @@ -41,16 +42,23 @@ CONFIG_SPL_SYS_MALLOC_SIMPLE=y
>  CONFIG_SPL_STACK_R=y
>  CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
>  CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x1400
> +CONFIG_SPL_ENV_SUPPORT=y
>  CONFIG_SPL_FS_LOAD_PAYLOAD_NAME="u-boot.img"
>  CONFIG_SPL_DM_MAILBOX=y
>  CONFIG_SPL_DM_SPI_FLASH=y
>  CONFIG_SPL_POWER_DOMAIN=y
> +CONFIG_SPL_RAM_SUPPORT=y
> +CONFIG_SPL_RAM_DEVICE=y
>  # CONFIG_SPL_SPI_FLASH_TINY is not set
>  CONFIG_SPL_SPI_FLASH_SFDP_SUPPORT=y
>  CONFIG_SPL_SPI_LOAD=y
>  CONFIG_SYS_SPI_U_BOOT_OFFS=0x280000
> +CONFIG_SPL_USB_GADGET=y
> +CONFIG_SPL_DFU=y
>  CONFIG_SPL_YMODEM_SUPPORT=y
> +CONFIG_CMD_DFU=y
>  CONFIG_CMD_MMC=y
> +CONFIG_CMD_USB=y
>  CONFIG_OF_CONTROL=y
>  CONFIG_SPL_OF_CONTROL=y
>  CONFIG_MULTI_DTB_FIT=y
> @@ -61,10 +69,17 @@ 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_CLK_TI_SCI=y
> +CONFIG_DFU_MMC=y
> +CONFIG_DFU_RAM=y
> +CONFIG_DFU_SF=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_TI_SCI_PROTOCOL=y
> @@ -103,4 +118,19 @@ CONFIG_CADENCE_QSPI=y
>  CONFIG_SYSRESET=y
>  CONFIG_SPL_SYSRESET=y
>  CONFIG_SYSRESET_TI_SCI=y
> +CONFIG_USB=y
> +CONFIG_DM_USB_GADGET=y
> +CONFIG_SPL_DM_USB_GADGET=y
> +CONFIG_USB_XHCI_HCD=y
> +CONFIG_USB_XHCI_DWC3=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_GADGET=y
> +CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
> +CONFIG_USB_GADGET_VENDOR_NUM=0x0451
> +CONFIG_USB_GADGET_PRODUCT_NUM=0x6165
> +CONFIG_USB_GADGET_DOWNLOAD=y
>  CONFIG_FS_FAT_MAX_CLUSTSIZE=16384
> diff --git a/configs/am62x_r5_usbdfu.config b/configs/am62x_r5_usbdfu.config
> new file mode 100644
> index 00000000000..772bb2ab935
> --- /dev/null
> +++ b/configs/am62x_r5_usbdfu.config
> @@ -0,0 +1,28 @@
> +CONFIG_SPL_ENV_SUPPORT=y
> +CONFIG_SYSCON=y
> +CONFIG_SPL_SYSCON=y
> +CONFIG_SYS_DFU_DATA_BUF_SIZE=0x5000
> +CONFIG_MISC=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="Texas Instruments"
> +CONFIG_USB_GADGET_VENDOR_NUM=0x0451
> +CONFIG_USB_GADGET_PRODUCT_NUM=0x6165
> +CONFIG_USB_GADGET_DOWNLOAD=y
> +CONFIG_SPL_DFU=y

Why do we need USB DFU support at R5 SPL stage?
What is the use case?

> +# CONFIG_SPL_MMC is not set
> +# CONFIG_SPL_FS_FAT is not set
> +# CONFIG_SPL_LIBDISK_SUPPORT is not set
> +# CONFIG_SPL_SPI is not set
> +# CONFIG_SPL_SYS_MALLOC is not set
> +# CONFIG_CMD_GPT is not set
> +# CONFIG_CMD_MMC is not set
> +# CONFIG_CMD_FAT is not set
> +# CONFIG_MMC_SDHCI is not set

-- 
cheers,
-roger