[Buildroot] [PATCH v3 2/3] configs/andes_nds32_ae3xx: new defconfig

[Yann E. MORIN <yann.morin.1998@free.fr>]

Nylon, All,

On 2019-03-07 10:11 +0800, Nylon Chen spake thusly:
> Add Andes 32-bit defconfig for AE3XX platform.
> 
> Signed-off-by: Che-Wei Chuang <cnoize@andestech.com>
> Signed-off-by: Greentime Hu <greentime@andestech.com>
> Signed-off-by: Nylon Chen <nylon7@andestech.com>

Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

If you were to add a pre-built toolchain package, you could use it in
this defconfig.

Regards,
Yann E. MORIN.

> ---
>  DEVELOPERS                                    |  2 +
>  board/andes/ae3xx/ae3xx.fragment              |  1 +
>  ...0001-nds32-Fix-boot-messages-garbled.patch | 28 +++++++++++
>  board/andes/readme.txt                        | 49 +++++++++++++++++++
>  configs/andes_ae3xx_defconfig                 | 14 ++++++
>  5 files changed, 94 insertions(+)
>  create mode 100644 board/andes/ae3xx/ae3xx.fragment
>  create mode 100644 board/andes/patches/linux/0001-nds32-Fix-boot-messages-garbled.patch
>  create mode 100644 board/andes/readme.txt
>  create mode 100644 configs/andes_ae3xx_defconfig
> 
> diff --git a/DEVELOPERS b/DEVELOPERS
> index 06a20c68b6..71fc8062e7 100644
> --- a/DEVELOPERS
> +++ b/DEVELOPERS
> @@ -1607,6 +1607,8 @@ F:	package/tcf-agent/
>  
>  N:	Nylon Chen <nylon7@andestech.com>
>  F:	arch/Config.in.nds32
> +F:	board/andes
> +F:	configs/andes_ae3xx_defconfig
>  
>  N:	Olaf Rempel <razzor@kopf-tisch.de>
>  F:	package/ctorrent/
> diff --git a/board/andes/ae3xx/ae3xx.fragment b/board/andes/ae3xx/ae3xx.fragment
> new file mode 100644
> index 0000000000..3b13d10740
> --- /dev/null
> +++ b/board/andes/ae3xx/ae3xx.fragment
> @@ -0,0 +1 @@
> +CONFIG_NDS32_BUILTIN_DTB="ae3xx"
> diff --git a/board/andes/patches/linux/0001-nds32-Fix-boot-messages-garbled.patch b/board/andes/patches/linux/0001-nds32-Fix-boot-messages-garbled.patch
> new file mode 100644
> index 0000000000..adb60937bd
> --- /dev/null
> +++ b/board/andes/patches/linux/0001-nds32-Fix-boot-messages-garbled.patch
> @@ -0,0 +1,28 @@
> +From 90d52d180dcc5d1300dc352ca709eb6453894143 Mon Sep 17 00:00:00 2001
> +From: Nylon Chen <nylon7@andestech.com>
> +Date: Wed, 28 Nov 2018 16:26:46 +0800
> +Subject: [PATCH] nds32: Fix boot messages garbled
> +
> +In order to display uart correctly we have to pass the correct setting of uart to kernel by bootarg.
> +This patch will provide such settings to set the correct uart baud rate.
> +
> +Signed-off-by: Nylon Chen <nylon7@andestech.com>
> +---
> + arch/nds32/boot/dts/ae3xx.dts | 1 +
> + 1 file changed, 1 insertion(+)
> +
> +diff --git a/arch/nds32/boot/dts/ae3xx.dts b/arch/nds32/boot/dts/ae3xx.dts
> +index bb39749a6673..aefe2090926a 100644
> +--- a/arch/nds32/boot/dts/ae3xx.dts
> ++++ b/arch/nds32/boot/dts/ae3xx.dts
> +@@ -6,6 +6,7 @@
> + 	interrupt-parent = <&intc>;
> + 
> + 	chosen {
> ++		bootargs = "memblock=debug earlycon console=ttyS0,38400n8 debug loglevel=7";
> + 		stdout-path = &serial0;
> + 	};
> + 
> +-- 
> +2.18.0
> +
> diff --git a/board/andes/readme.txt b/board/andes/readme.txt
> new file mode 100644
> index 0000000000..0f95c65549
> --- /dev/null
> +++ b/board/andes/readme.txt
> @@ -0,0 +1,49 @@
> +Intro
> +=====
> +
> +Andestech(nds32) AE3XX Platform
> +
> +The AE3XX prototype demonstrates the AE3XX example platform on the FPGA. 
> +It is composed of one Andestech(nds32) processor and AE3XX.
> +
> +How to build it
> +===============
> +
> +Configure Buildroot
> +-------------------
> +
> +The andes_ae3xx_defconfig configuration is a sample configuration with
> +all that is required to bring the FPGA Development Board:
> +
> +  $ make andes_ae3xx_defconfig
> +
> +Build everything
> +----------------
> +Note: you will need to have access to the network, since Buildroot will
> +download the packages' sources.
> +
> +  $ make
> +
> +Result of the build
> +-------------------
> +
> +After building, you should obtain this tree:
> +
> +output/images/
> +    +-- vmlinux
> +    +-- rootfs.cpio
> +    +-- rootfs.tar
> +
> +How to run it
> +=============
> +
> +Run
> +---
> +
> +  Setup the Console with the rate 38400/8-N-1.
> +
> +  $ cd output/images
> +  $ ../host/bin/nds32le-linux-gdb vmlinux
> +  $ target remote [your host]
> +  $ lo
> +  $ c 
> diff --git a/configs/andes_ae3xx_defconfig b/configs/andes_ae3xx_defconfig
> new file mode 100644
> index 0000000000..250e3ee157
> --- /dev/null
> +++ b/configs/andes_ae3xx_defconfig
> @@ -0,0 +1,14 @@
> +BR2_nds32=y
> +BR2_GLOBAL_PATCH_DIR="board/andes/patches/"
> +BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
> +BR2_TOOLCHAIN_EXTERNAL_URL="https://github.com/vincentzwc/prebuilt-nds32-toolchain/releases/download/20180521/nds32le-linux-glibc-v3-upstream.tar.gz"
> +BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="nds32le-linux"
> +BR2_TOOLCHAIN_EXTERNAL_GCC_8=y
> +BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_17=y
> +BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
> +BR2_LINUX_KERNEL=y
> +BR2_LINUX_KERNEL_CUSTOM_VERSION=y
> +BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.17"
> +BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
> +BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/andes/ae3xx/ae3xx.fragment"
> +BR2_TARGET_ROOTFS_INITRAMFS=y
> -- 
> 2.18.0
> 
> _______________________________________________
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> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

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