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nios2: change README.nios2 to use 10m50 as template

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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>
This commit is contained in:
Thomas Chou 2015-11-11 07:59:31 +08:00
parent 479accb605
commit 9f301294dd
1 changed files with 7 additions and 7 deletions
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14
doc/README.nios2
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@ -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,