configs: add a DT-enabled Raspberry Pi defconfig
This is an example of a Device-Tree-enabled Raspberry Pi defconfig.
We have to use a 3.18-based kernel for that, but there are a few
limitations:
- we can not use the minimalist RPi defconfig bundled with the kernel,
namely bcmrpi_quick_defconfig, because it is not DT-enabled, and
sets CONFIG_ARM_PATCH_PHYS_VIRT to 'n', which prompts a value for
CONFIG_PHYS_OFFSET, as it as no default for the bcm familly;
- most importantly, the rpi-3.18.y branch is constantly rebased, so
there is no guarantee that the sha1 I use today will still be usable
in the long term. Using the name of hte branch is not better either.
So, we bundle our own DT-enabled linux defconfig that is based on
bcmrpi_quick_defconfig, with just CONFIG_ARM_PATCH_PHYS_VIRT set and the
Device TRee enabled.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-01-10 14:14:57 +01:00
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BR2_arm=y
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BR2_arm1176jzf_s=y
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BR2_TARGET_GENERIC_GETTY_PORT="tty1"
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BR2_LINUX_KERNEL=y
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BR2_LINUX_KERNEL_CUSTOM_GIT=y
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BR2_LINUX_KERNEL_CUSTOM_REPO_URL="git://github.com/raspberrypi/linux.git"
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2015-02-11 04:06:13 +01:00
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BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="03d0d9c73c17f74a7afa64ed9f022565e89b8dd5"
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configs: add a DT-enabled Raspberry Pi defconfig
This is an example of a Device-Tree-enabled Raspberry Pi defconfig.
We have to use a 3.18-based kernel for that, but there are a few
limitations:
- we can not use the minimalist RPi defconfig bundled with the kernel,
namely bcmrpi_quick_defconfig, because it is not DT-enabled, and
sets CONFIG_ARM_PATCH_PHYS_VIRT to 'n', which prompts a value for
CONFIG_PHYS_OFFSET, as it as no default for the bcm familly;
- most importantly, the rpi-3.18.y branch is constantly rebased, so
there is no guarantee that the sha1 I use today will still be usable
in the long term. Using the name of hte branch is not better either.
So, we bundle our own DT-enabled linux defconfig that is based on
bcmrpi_quick_defconfig, with just CONFIG_ARM_PATCH_PHYS_VIRT set and the
Device TRee enabled.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-01-10 14:14:57 +01:00
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BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
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BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/raspberrypi/linux-3.18-rpi-dt.defconfig"
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BR2_LINUX_KERNEL_ZIMAGE=y
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BR2_PACKAGE_RPI_FIRMWARE=y
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BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTBS=y
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