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Diffstat (limited to 'u-boot/doc/README.modnet50')
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diff --git a/u-boot/doc/README.modnet50 b/u-boot/doc/README.modnet50 new file mode 100644 index 0000000..2ac3c8f --- /dev/null +++ b/u-boot/doc/README.modnet50 @@ -0,0 +1,62 @@ +U-BOOT Port for FSForth ModNET50 Board +-------------------------------------- + +author: Thomas Elste <info@elste.org> + IMMS gGmbH <www.imms.de> + +The port based upon an early (partial complete) +armboot-port from Stephan Linz for the ModNET50 Board. + + +Overview: + +- board with Netsilicon NET+50 ARM7TDMI CPU without MMU +- 16 MB SDRAM +- 2 MB Flash (MBL29LV160BE) +- 10/100 Ethernet PHY (LXT971A) + + +Current Configuration (include/configs/modnet50.h): + +Memory Map: 0x00000000 - 0x00FFFFFF 16M SDRAM + 0x10000000 - 0x101FFFFF 2M Flash + +The Flash uses a BB-Architectur with 35 sectors +(0:16K; 1,2:8K; 3:32K; 4-34:64K). U-Boot is located in +the first 5 sectors. + +The environment is located at the end of the 4th Flash +sector (0x1001C000-0x1001FFFF). + +Build: + +U-boot should be build by using the ELDK Toolchain (arm-linux-*). + + make modnet50_config + make + + +Status: + +Everything seems to work fine. Booting images was tested by +booting uCLinux (with and without a separate ramdisk image) from +flash. + + +Files: + +arch/arm/cpu/arm720t/serial_netarm.c .. serial I/O for the cpu + +board/modnet50/lowlevel_init.S .. memory setup for ModNET50 +board/modnet50/flash.c .. flash routines +board/modnet50/modnet50.c .. some board init stuff + +drivers/net/netarm_eth.c .. ethernet driver for the NET+50 CPU +drivers/net/netarm_eth.h .. header for ethernet driver + +include/configs/modnet50.h .. configuration file for ModNET50 + +include/netarm_*.h .. register and macro definitions for + the NETARM CPU family + +doc/README.modnet50 .. this readme |