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| author | Thomas Chou <thomas@wytron.com.tw> | 2015-11-11 07:59:31 +0800 |
|---|---|---|
| committer | Thomas Chou <thomas@wytron.com.tw> | 2015-11-12 08:26:59 +0800 |
| commit | 9f301294dd5b3ad0d2937e0ade537c4f2506f0bd (patch) | |
| tree | 49087067749c9db53343c2f8842e7792e1a017ce /doc | |
| parent | 479accb6054c87d78c81c9299210d208435a0d6f (diff) | |
| download | talos-obmc-uboot-9f301294dd5b3ad0d2937e0ade537c4f2506f0bd.tar.gz talos-obmc-uboot-9f301294dd5b3ad0d2937e0ade537c4f2506f0bd.zip | |
nios2: change README.nios2 to use 10m50 as template
The 10m50 devboard becomes the new golden reference design of
Nios II Linux. So change README.nios2 to use 10m50 as template.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.nios2 | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/README.nios2 b/doc/README.nios2 index 2dab7d12e4..46c704e628 100644 --- a/doc/README.nios2 +++ b/doc/README.nios2 @@ -30,12 +30,12 @@ http://www.alterawiki.com/wiki/Sopc2dts $ java -jar sopc2dts.jar --force-altr -i mysystem.sopcinfo -o mysystem.dts You will need to add additional properties to the dts. Please find an -example at, arch/nios2/dts/3c120_devboard.dts. +example at, arch/nios2/dts/10m50_devboard.dts. 1. Add "stdout-path=..." property with your serial path to the chosen node, like this, chosen { - stdout-path = &jtag_uart; + stdout-path = &uart_0; }; 2. If you use SPI/EPCS or I2C, you will need to add aliases to number @@ -45,9 +45,9 @@ the sequence of these devices, like this, }; Next, you will need a default config file. You may start with -nios2-generic_defconfig, modify the options and save it. +10m50_defconfig, modify the options and save it. -$ make nios2-generic_defconfig +$ make 10m50_defconfig $ make menuconfig $ make savedefconfig $ cp defconfig configs/mysystem_defconfig @@ -72,15 +72,15 @@ copies all the u-boot-dtb.bin, not just u-boot.bin. binary. This is handy for development, eg, using gdb or nios2-download. The last thing, legacy board header file describes those config options -not covered in Kconfig yet. You may copy it from nios2-generic.h. +not covered in Kconfig yet. You may copy it from 10m50_devboard.h. -$ cp include/configs/nios2-generic.h include/configs/mysystem.h +$ cp include/configs/10m50_devboard.h include/configs/mysystem.h Please change the SDRAM base and size to match your board. The base should be cached virtual address, for Nios II with MMU it is 0xCxxx_xxxx to 0xDxxx_xxxx. -#define CONFIG_SYS_SDRAM_BASE 0xD0000000 +#define CONFIG_SYS_SDRAM_BASE 0xc8000000 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 You will need to change the environment variables location and setting, |
