[RFC PATCH 9/9] config: Enable support for the XHCI controller on RPI4 board

[Nicolas Saenz Julienne]

On Tue, 2020-04-21 at 18:50 +0200, Sylwester Nawrocki wrote:
> From: Marek Szyprowski <m.szyprowski at samsung.com>
> 
> This requires enabling BRCMSTB PCIe and XHCI_PCI drivers as well as PCI
> and USB commands. To get it working one has to call the following commands:
> "pci enum; usb start;", thus such commands have been added to the default
> "preboot" environment variable. One has to update his environment if it is
> already configured to get this feature working out of the box.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> ---

Would you mind enabling USB keyboard support too? It's useful for people using
u-boot/UEFI.

If not I don't mind sending a separate patch.

Regards,
Nicolas

>  configs/rpi_4_32b_defconfig |  9 +++++++++
>  configs/rpi_4_defconfig     | 10 ++++++++++
>  configs/rpi_arm64_defconfig |  9 ++++++++-
>  3 files changed, 27 insertions(+), 1 deletion(-)
> 
> diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig
> index 72cda5d..0dd763f 100644
> --- a/configs/rpi_4_32b_defconfig
> +++ b/configs/rpi_4_32b_defconfig
> @@ -8,6 +8,8 @@ CONFIG_NR_DRAM_BANKS=2
>  CONFIG_DISTRO_DEFAULTS=y
>  CONFIG_OF_BOARD_SETUP=y
>  # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
> +CONFIG_USE_PREBOOT=y
> +CONFIG_PREBOOT="pci enum; usb start;"
>  CONFIG_MISC_INIT_R=y
>  # CONFIG_DISPLAY_CPUINFO is not set
>  # CONFIG_DISPLAY_BOARDINFO is not set
> @@ -15,6 +17,8 @@ CONFIG_SYS_PROMPT="U-Boot> "
>  CONFIG_CMD_DFU=y
>  CONFIG_CMD_GPIO=y
>  CONFIG_CMD_MMC=y
> +CONFIG_CMD_PCI=y
> +CONFIG_CMD_USB=y
>  CONFIG_CMD_FS_UUID=y
>  CONFIG_OF_BOARD=y
>  CONFIG_ENV_FAT_INTERFACE="mmc"
> @@ -28,12 +32,17 @@ CONFIG_MMC_SDHCI=y
>  CONFIG_MMC_SDHCI_BCM2835=y
>  CONFIG_DM_ETH=y
>  CONFIG_BCMGENET=y
> +CONFIG_PCI=y
> +CONFIG_DM_PCI=y
> +CONFIG_PCI_BRCMSTB=y
>  CONFIG_PINCTRL=y
>  # CONFIG_PINCTRL_GENERIC is not set
>  # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
>  CONFIG_USB=y
>  CONFIG_DM_USB=y
>  CONFIG_DM_USB_GADGET=y
> +CONFIG_USB_XHCI_HCD=y
> +CONFIG_USB_XHCI_PCI=y
>  CONFIG_USB_GADGET=y
>  CONFIG_USB_GADGET_MANUFACTURER="FSL"
>  CONFIG_USB_GADGET_VENDOR_NUM=0x0525
> diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig
> index 6d148da..f80e5da 100644
> --- a/configs/rpi_4_defconfig
> +++ b/configs/rpi_4_defconfig
> @@ -8,6 +8,8 @@ CONFIG_NR_DRAM_BANKS=2
>  CONFIG_DISTRO_DEFAULTS=y
>  CONFIG_OF_BOARD_SETUP=y
>  # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
> +CONFIG_USE_PREBOOT=y
> +CONFIG_PREBOOT="pci enum; usb start;"
>  CONFIG_MISC_INIT_R=y
>  # CONFIG_DISPLAY_CPUINFO is not set
>  # CONFIG_DISPLAY_BOARDINFO is not set
> @@ -15,6 +17,8 @@ CONFIG_SYS_PROMPT="U-Boot> "
>  CONFIG_CMD_DFU=y
>  CONFIG_CMD_GPIO=y
>  CONFIG_CMD_MMC=y
> +CONFIG_CMD_PCI=y
> +CONFIG_CMD_USB=y
>  CONFIG_CMD_FS_UUID=y
>  CONFIG_OF_BOARD=y
>  CONFIG_ENV_FAT_INTERFACE="mmc"
> @@ -28,12 +32,18 @@ CONFIG_MMC_SDHCI=y
>  CONFIG_MMC_SDHCI_BCM2835=y
>  CONFIG_DM_ETH=y
>  CONFIG_BCMGENET=y
> +CONFIG_PCI=y
> +CONFIG_DM_PCI=y
> +CONFIG_PCI_BRCMSTB=y
>  CONFIG_PINCTRL=y
>  # CONFIG_PINCTRL_GENERIC is not set
>  # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
>  CONFIG_USB=y
>  CONFIG_DM_USB=y
>  CONFIG_DM_USB_GADGET=y
> +CONFIG_USB_XHCI_HCD=y
> +CONFIG_XHCI_64BIT_DWORD_ACCESS_ONLY=y
> +CONFIG_USB_XHCI_PCI=y
>  CONFIG_USB_GADGET=y
>  CONFIG_USB_GADGET_MANUFACTURER="FSL"
>  CONFIG_USB_GADGET_VENDOR_NUM=0x0525
> diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig
> index fea86be..926dfc3 100644
> --- a/configs/rpi_arm64_defconfig
> +++ b/configs/rpi_arm64_defconfig
> @@ -7,13 +7,14 @@ CONFIG_NR_DRAM_BANKS=2
>  CONFIG_DISTRO_DEFAULTS=y
>  CONFIG_OF_BOARD_SETUP=y
>  CONFIG_USE_PREBOOT=y
> -CONFIG_PREBOOT="usb start"
> +CONFIG_PREBOOT="pci enum; usb start;"
>  CONFIG_MISC_INIT_R=y
>  # CONFIG_DISPLAY_CPUINFO is not set
>  # CONFIG_DISPLAY_BOARDINFO is not set
>  CONFIG_SYS_PROMPT="U-Boot> "
>  CONFIG_CMD_GPIO=y
>  CONFIG_CMD_MMC=y
> +CONFIG_CMD_PCI=y
>  CONFIG_CMD_USB=y
>  CONFIG_CMD_FS_UUID=y
>  CONFIG_OF_BOARD=y
> @@ -26,11 +27,17 @@ CONFIG_MMC_SDHCI=y
>  CONFIG_MMC_SDHCI_BCM2835=y
>  CONFIG_DM_ETH=y
>  CONFIG_BCMGENET=y
> +CONFIG_PCI=y
> +CONFIG_DM_PCI=y
> +CONFIG_PCI_BRCMSTB=y
>  CONFIG_PINCTRL=y
>  # CONFIG_PINCTRL_GENERIC is not set
>  # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
>  CONFIG_USB=y
>  CONFIG_DM_USB=y
> +CONFIG_USB_XHCI_HCD=y
> +CONFIG_XHCI_64BIT_DWORD_ACCESS_ONLY=y
> +CONFIG_USB_XHCI_PCI=y
>  CONFIG_USB_DWC2=y
>  CONFIG_USB_KEYBOARD=y
>  CONFIG_USB_HOST_ETHER=y

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