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wdenk2d1a5372004-02-23 19:30:57 +00001U-BOOT Port for FSForth ModNET50 Board
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3
4author: Thomas Elste <info@elste.org>
wdenkcd0a9de2004-02-23 20:48:38 +00005 IMMS gGmbH <www.imms.de>
wdenk2d1a5372004-02-23 19:30:57 +00006
7The port based upon an early (partial complete)
8armboot-port from Stephan Linz for the ModNET50 Board.
9
10
11Overview:
12
13- board with Netsilicon NET+50 ARM7TDMI CPU without MMU
14- 16 MB SDRAM
15- 2 MB Flash (MBL29LV160BE)
16- 10/100 Ethernet PHY (LXT971A)
17
18
19Current Configuration (include/configs/modnet50.h):
20
21Memory Map: 0x00000000 - 0x00FFFFFF 16M SDRAM
wdenkcd0a9de2004-02-23 20:48:38 +000022 0x10000000 - 0x101FFFFF 2M Flash
wdenk2d1a5372004-02-23 19:30:57 +000023
24The Flash uses a BB-Architectur with 35 sectors
25(0:16K; 1,2:8K; 3:32K; 4-34:64K). U-Boot is located in
26the first 5 sectors.
27
28The environment is located at the end of the 4th Flash
29sector (0x1001C000-0x1001FFFF).
30
31Build:
32
33U-boot should be build by using the ELDK Toolchain (arm-linux-*).
34
35 make modnet50_config
36 make
37
38
39Status:
40
41Everything seems to work fine. Booting images was tested by
42booting uCLinux (with and without a separate ramdisk image) from
43flash.
44
45
46Files:
47
48cpu/arm720t/serial_netarm.c .. serial I/O for the cpu
49
wdenk400558b2005-04-02 23:52:25 +000050board/modnet50/lowlevel_init.S .. memory setup for ModNET50
wdenkcd0a9de2004-02-23 20:48:38 +000051board/modnet50/flash.c .. flash routines
wdenk2d1a5372004-02-23 19:30:57 +000052board/modnet50/modnet50.c .. some board init stuff
53
wdenkcd0a9de2004-02-23 20:48:38 +000054drivers/netarm_eth.c .. ethernet driver for the NET+50 CPU
55drivers/netarm_eth.h .. header for ethernet driver
wdenk2d1a5372004-02-23 19:30:57 +000056
57include/configs/modnet50.h .. configuration file for ModNET50
58
wdenkcd0a9de2004-02-23 20:48:38 +000059include/netarm_*.h .. register and macro definitions for
60 the NETARM CPU family
wdenk2d1a5372004-02-23 19:30:57 +000061
wdenkcd0a9de2004-02-23 20:48:38 +000062doc/README.modnet50 .. this readme