[PATCH v5 4/6] configs: am62x_evm_*: Enable USB and DFU support

[Jon Humphreys]

Martyn Welch <martyn.welch at collabora.com> writes:

> From: Sjoerd Simons <sjoerd at collabora.com>
>
> Provide config fragments to enable USB host as well as USB gadget and DFU
> support for a53 and r5. This relevant fragment is included into the
> am62x EVM a53 defconfig. For the r5, due to the smaller available size,
> the config fragment also disables support for persistent storage to free
> up space for USB support. This fragment needs to be included is DFU
> booting is desired.
>
> The CONFIG_DFU_SF option is placed in the defconfig rather than the
> fragment as this is known not to be supported on all boards that can
> support DFU.
>
> Signed-off-by: Sjoerd Simons <sjoerd at collabora.com>
> Signed-off-by: Martyn Welch <martyn.welch at collabora.com>
> ---
> Changes in v5:
> - Switch to config fragment for a53 most DFU configuration
>
> 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_a53_usbdfu.config | 30 ++++++++++++++++++++++++++++++
>  configs/am62x_evm_a53_defconfig |  2 ++
>  configs/am62x_r5_usbdfu.config  | 28 ++++++++++++++++++++++++++++
>  3 files changed, 60 insertions(+)
>  create mode 100644 configs/am62x_a53_usbdfu.config
>  create mode 100644 configs/am62x_r5_usbdfu.config
>
> diff --git a/configs/am62x_a53_usbdfu.config b/configs/am62x_a53_usbdfu.config
> new file mode 100644
> index 0000000000..3a19cf2328
> --- /dev/null
> +++ b/configs/am62x_a53_usbdfu.config
> @@ -0,0 +1,29 @@
> +CONFIG_SYS_MALLOC_LEN=0x2000000
> +CONFIG_SPL_ENV_SUPPORT=y
> +CONFIG_SPL_RAM_SUPPORT=y
> +CONFIG_SPL_RAM_DEVICE=y
> +CONFIG_SPL_USB_GADGET=y
> +CONFIG_SPL_DFU=y
> +CONFIG_CMD_DFU=y
> +CONFIG_CMD_USB=y
> +CONFIG_SYSCON=y
> +CONFIG_SPL_SYSCON=y
> +CONFIG_DFU_MMC=y
> +CONFIG_DFU_RAM=y
> +CONFIG_SYS_DFU_DATA_BUF_SIZE=0x5000
> +CONFIG_SYS_DFU_MAX_FILE_SIZE=0x800000
> +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
> diff --git a/configs/am62x_evm_a53_defconfig b/configs/am62x_evm_a53_defconfig
> index 6c708dcb05..16294a6a79 100644
> --- a/configs/am62x_evm_a53_defconfig
> +++ b/configs/am62x_evm_a53_defconfig
> @@ -68,6 +68,7 @@ CONFIG_SPL_OF_TRANSLATE=y
>  CONFIG_CLK=y
>  CONFIG_SPL_CLK=y
>  CONFIG_CLK_TI_SCI=y
> +CONFIG_DFU_SF=y
>  CONFIG_DMA_CHANNELS=y
>  CONFIG_TI_K3_NAVSS_UDMA=y
>  CONFIG_TI_SCI_PROTOCOL=y
> @@ -111,3 +112,5 @@ CONFIG_SPL_SYSRESET=y
>  CONFIG_SYSRESET_TI_SCI=y
>  CONFIG_FS_FAT_MAX_CLUSTSIZE=16384
>  CONFIG_EFI_SET_TIME=y
> +
> +#include <configs/am62x_a53_usbdfu.config>
> diff --git a/configs/am62x_r5_usbdfu.config b/configs/am62x_r5_usbdfu.config
> new file mode 100644
> index 0000000000..772bb2ab93
> --- /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
> +# 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
> -- 
> 2.43.0

Hi all, it appears that this patch breaks OSPI DFU on the board.  In
particular, changing the CONFIG_SYS_DFU_DATA_BUF_SIZE seems to be the
culprit.

I see the error as a DFU timeout when applying capsules.

  SF: Detected s28hs512t with page size 256 Bytes, erase size 256 KiB, total 64 MiB
  ############jedec_spi_nor flash at 0: flash operation timed out
  #DFU write failed

Jon