Files
operating-system/buildroot-external/patches/uboot/2020.07/0020-config-Enable-support-for-the-XHCI-controller-on-RPI.patch
Stefan Agner 78152db78f Add boot from USB mass storage device support for RPi 4 (#746) (#776)
* Backport USB PCIe/XHCI patches to U-Boot 2020.07

Backport relevant patches required to make PCIe/USB XHCI work.

* Backport/integrate PCIe device tree changes from upstream Linux

U-Boot uses the device tree provided by upstream Linux. Make sure the
device tree has the relevant chanages to make VL805 USB controller
reset work.

* Document RPi 4 USB mass storage support (#746)
2020-07-19 13:59:10 +02:00

72 lines
2.3 KiB
Diff

From 52d942897bcf2c775c3c5dff9f811e1a28f3fd7d Mon Sep 17 00:00:00 2001
Message-Id: <52d942897bcf2c775c3c5dff9f811e1a28f3fd7d.1595101389.git.stefan@agner.ch>
In-Reply-To: <040a141f84f2f84bf8be18f85b4cdb34bf066df0.1595101389.git.stefan@agner.ch>
References: <040a141f84f2f84bf8be18f85b4cdb34bf066df0.1595101389.git.stefan@agner.ch>
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Wed, 3 Jun 2020 14:43:45 +0200
Subject: [PATCH 20/20] config: Enable support for the XHCI controller on RPI4
board
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 their environment if it
is already configured to get this feature working out of the box.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
configs/rpi_4_32b_defconfig | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig
index 0df5c17d6e..db7b781976 100644
--- a/configs/rpi_4_32b_defconfig
+++ b/configs/rpi_4_32b_defconfig
@@ -6,6 +6,8 @@ CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_ENV_SIZE=0x4000
CONFIG_DISTRO_DEFAULTS=y
CONFIG_OF_BOARD_SETUP=y
+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
@@ -13,6 +15,8 @@ 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_DEVICE_AND_PART="0:1"
@@ -26,6 +30,9 @@ CONFIG_MMC_SDHCI_SDMA=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_DM_RESET=y
@@ -33,6 +40,8 @@ CONFIG_DM_RESET=y
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
@@ -45,4 +54,6 @@ CONFIG_DM_VIDEO=y
CONFIG_SYS_WHITE_ON_BLACK=y
CONFIG_CONSOLE_SCROLL_LINES=10
CONFIG_PHYS_TO_BUS=y
+CONFIG_ADDR_MAP=y
+CONFIG_SYS_NUM_ADDR_MAP=2
CONFIG_OF_LIBFDT_OVERLAY=y
--
2.27.0