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 --- v3 use 10m50 as template.
doc/README.nios2 | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/doc/README.nios2 b/doc/README.nios2 index 2dab7d1..46c704e 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,