From 51a95551159461e52f204cf6153ca52954438b4d Mon Sep 17 00:00:00 2001 From: Vicente Olivert Riera Date: Fri, 28 Nov 2014 16:43:29 +0000 Subject: [PATCH] Add a defconfig for MIPS Creator CI20 MIPS Creator CI20 is a Linux and Android development system from MIPS/Imagination Technologies. It incorporates an Ingenic JZ4780 SoC which includes a 1.2GHz dual core MIPS32 processor and Imagination PowerVR SGX540 GPU. More information can be found at: http://elinux.org/MIPS_Creator_CI20 Signed-off-by: Vicente Olivert Riera Signed-off-by: Peter Korsgaard --- board/ci20/readme.txt | 42 ++++++++++++++++++++++++++++++++++++++++++ configs/ci20_defconfig | 18 ++++++++++++++++++ 2 files changed, 60 insertions(+) create mode 100644 board/ci20/readme.txt create mode 100644 configs/ci20_defconfig diff --git a/board/ci20/readme.txt b/board/ci20/readme.txt new file mode 100644 index 0000000000..ca7bb52917 --- /dev/null +++ b/board/ci20/readme.txt @@ -0,0 +1,42 @@ +********************* +* MIPS Creator CI20 * +********************* + +The 'ci20_defconfig' will create a root filesystem and a kernel image +under the 'output/images/' directory. This document will try to explain how +to use them in order to run Buildroot in the MIPS Creator CI20 board. + +Assuming you are at the U-Boot prompt of the MIPS Creator CI20, you have to +load the generated kernel image by using the 'tftpboot' command. In +order to do that, you will need to get the network working. Here you +have the instructions to set the ip address, netmask and gateway: + + setenv ipaddr x.x.x.x + setenv netmask x.x.x.x + setenv gatewayip x.x.x.x + +Now you have to set the ip for the TFTP server you are going to load the +kernel image from, and also the name of the kernel image file (we use +'uImage' as a filename in this example): + + setenv serverip x.x.x.x + setenv bootfile uImage + +And finally load the kernel image: + + tftpboot + +Now you have to extract the generated root filesystem into a USB drive +or SD-Card. Here you have the instructions to boot from the two of them. +You have to choose the one your prefer: + +From USB + setenv bootargs console=ttyS4,115200 console=tty0 mem=256M@0x0 +mem=768M@0x30000000 root=/dev/sda1 + +From SD-Card + setenv bootargs console=ttyS4,115200 console=tty0 mem=256M@0x0 +mem=768M@0x30000000 root=/dev/mmcblk0p1 + +And finally run this command to boot the board: + bootm diff --git a/configs/ci20_defconfig b/configs/ci20_defconfig new file mode 100644 index 0000000000..7f1bf878b6 --- /dev/null +++ b/configs/ci20_defconfig @@ -0,0 +1,18 @@ +# architecture +BR2_mipsel=y +BR2_mips_32r2=y +# BR2_MIPS_SOFT_FLOAT is not set + +# system +BR2_KERNEL_HEADERS_VERSION=y +BR2_DEFAULT_KERNEL_VERSION="3.0.8" +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_0=y +BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV=y +BR2_TARGET_GENERIC_GETTY_PORT="ttyS4" + +# kernel +BR2_LINUX_KERNEL=y +BR2_LINUX_KERNEL_CUSTOM_GIT=y +BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/MIPS/CI20_linux.git" +BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="ba11adc7ac8792b0eb7415a1cc9c0968604a6fac" +BR2_LINUX_KERNEL_DEFCONFIG="ci20" -- 2.30.2