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README.dk1s10
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README.dk1s10
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Nios Development Kit
Startix Editions
Last Update: January 28, 2004
====================================================================
This file contains information regarding U-Boot and the Altera
Nios Development Kit, Startix Edition (DK-1S10). For general Nios
information see doc/README.nios.
Most stuff of this file was borrowed and based on README.dk1c20,
the DK-1C20 related information file.
For those interested in contributing ... see HELP WANTED section
in doc/README.nios.
Contents:
1. Files
2. Memory Organization
3. CPU Variations
4. Examples
5. Programming U-Boot into FLASH with GERMS
====================================================================
1. Files
=========
board/altera/dk1s10/*
include/configs/DK1S10.h
2. Memory Organization
=======================
-The heap is placed below the monitor (U-Boot code).
-Global data is placed below the heap.
-The stack is placed below global data (&grows down).
3. CPU Variations
=================
There are more than one NIOS CPU variation for the DK-1S10. U-Boot
supports the following CPU configurations:
- Altera Standard 32 (make DK1S10_standard_32_config)
- Microtronix LDK 2.0 (make DK1S10_mtx_ldk_20_config)
4. Examples
============
The hello_world example was never tested on DK-1S10. Neverthelse
it should work as far as possible, because the DK-1S10 port is
more than ninetieth percents equal to the DK-1C20 port and at
this platform the hello_world example was already tested
successfully (see README.dk1c20).
5. Programming U-Boot into FLASH with GERMS
============================================
The current version of the DK-1S10 port with the default
configuration settings occupies about 78 KBytes of flash.
A minimal configuration occupies less than 60 KByte
(network support disabled).
To program U-Boot into the DK-1S10 flash using GERMS do the
following:
1. From the command line, download U-Boot using the nios-run:
$ nios-run -r u-boot.srec
This takes about 45 seconds (GERMS is not very speedy here).
After u-boot is downloaded it will be executed. You should
see the following:
U-Boot 1.0.2 (Jan 28 2004 - 19:02:30)
CPU: Nios-32 Rev. 3.3 (0x3038)
Reg file size: 256 LO_LIMIT/HI_LIMIT: 2/14
Board: Altera Nios 1S10 Development Kit
In: serial
Out: serial
Err: serial
DK1S10 >
2. Quit nios-run and start your terminal application (e.g. start
Hyperterminal or minicom).
3. Download the u-boot code to RAM. When using Hyperterminal, do the
following:
a. From the u-boot command prompt start a binary download to
SRAM / SDRAM:
at the Altera Standard 32 to SRAM:
==> loadb 800000
at the Microtronix LDK 2.0 to SDRAM:
==> loadb 1010000
b. Download u-boot.bin using kermit.
4. From the U-Boot command prompt, erase flash:
at the Altera Standard 32 from 0x40000 to 0x5ffff:
==> erase 1:4-5
at the Microtronix LDK 2.0 from 0x8000000 to 0x81ffff:
==> erase 1:0-1
5. Copy the binary image from SRAM / SDRAM to flash:
at the Altera Standard 32 to SRAM:
==> cp.b 800000 40000 ${filesize}
at the Microtronix LDK 2.0 to SDRAM:
==> cp.b 1010000 8000000 ${filesize}
U-Boot will now automatically start when the board is powered on or
reset using the Standard-32 configuration. To start U-Boot with the
Safe-32 configuration, enter the following GERMS command:
+ g 40000