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home:mbrugger:branches:RPi5
u-boot
0003-rpi-Use-firmware-provided-device-tr.patch
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File 0003-rpi-Use-firmware-provided-device-tr.patch of Package u-boot
From 4559c9605a9bdf4988d90f4f948fad70b93f5244 Mon Sep 17 00:00:00 2001 From: Guillaume Gardet <guillaume.gardet@arm.com> Date: Fri, 18 Sep 2020 15:27:37 +0200 Subject: [PATCH] rpi: Use firmware provided device tree Currently the firmware generates a device tree for us that we could just use to adjust ourselves. We then on boot throw that away and use our own built-in device tree to configure device access. This is bad for a multitude of reasons. For starters, it breaks overlay support in config.txt, confusing users. Much worse however is that we are stuck with individual U-Boot builds per board. The firmware can easily give us the right DT depending on the target board and revision though. So let's use the firmware provided device tree instead. That way U-Boot as well as payloads loaded by it can automatically adapt to variants of RPi hardware. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Guillaume Gardet <guillaume.gardet@free.fr> --- configs/rpi_0_w_defconfig | 2 +- configs/rpi_2_defconfig | 2 +- configs/rpi_3_32b_defconfig | 2 +- configs/rpi_3_defconfig | 2 +- configs/rpi_defconfig | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/configs/rpi_0_w_defconfig b/configs/rpi_0_w_defconfig index ab6e6bcf29e..a141bc44380 100644 --- a/configs/rpi_0_w_defconfig +++ b/configs/rpi_0_w_defconfig @@ -24,7 +24,7 @@ CONFIG_CMD_GPIO=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y CONFIG_CMD_FS_UUID=y -CONFIG_OF_EMBED=y +CONFIG_OF_BOARD=y CONFIG_ENV_FAT_DEVICE_AND_PART="0:1" CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig index 0dea092f240..46bdbfb5328 100644 --- a/configs/rpi_2_defconfig +++ b/configs/rpi_2_defconfig @@ -25,7 +25,7 @@ CONFIG_CMD_GPIO=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y CONFIG_CMD_FS_UUID=y -CONFIG_OF_EMBED=y +CONFIG_OF_BOARD=y CONFIG_ENV_FAT_DEVICE_AND_PART="0:1" CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y diff --git a/configs/rpi_3_32b_defconfig b/configs/rpi_3_32b_defconfig index 0ccc93d572b..4c912b28f64 100644 --- a/configs/rpi_3_32b_defconfig +++ b/configs/rpi_3_32b_defconfig @@ -24,7 +24,7 @@ CONFIG_CMD_GPIO=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y CONFIG_CMD_FS_UUID=y -CONFIG_OF_EMBED=y +CONFIG_OF_BOARD=y CONFIG_ENV_FAT_DEVICE_AND_PART="0:1" CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y diff --git a/configs/rpi_3_defconfig b/configs/rpi_3_defconfig index 84b61f862a5..210ec949748 100644 --- a/configs/rpi_3_defconfig +++ b/configs/rpi_3_defconfig @@ -23,7 +23,7 @@ CONFIG_CMD_GPIO=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y CONFIG_CMD_FS_UUID=y -CONFIG_OF_EMBED=y +CONFIG_OF_BOARD=y CONFIG_ENV_FAT_DEVICE_AND_PART="0:1" CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig index d049d0fb5c6..adf46bec3d0 100644 --- a/configs/rpi_defconfig +++ b/configs/rpi_defconfig @@ -24,7 +24,7 @@ CONFIG_CMD_GPIO=y CONFIG_CMD_MMC=y CONFIG_CMD_USB=y CONFIG_CMD_FS_UUID=y -CONFIG_OF_EMBED=y +CONFIG_OF_BOARD=y CONFIG_ENV_FAT_DEVICE_AND_PART="0:1" CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
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