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#
# Ethernut 3 board configuration file
#
# http://www.ethernut.de/en/hardware/enut3/
# AT91R40008-66AU ARM7TDMI Microcontroller
# 256kB internal RAM
source [find target/at91r40008.cfg]
# AT49BV322A-70TU NOR Flash
# 2M x 16 mode at address 0x10000000
# Common flash interface supported
#
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME cfi 0x10000000 0x400000 2 2 $_TARGETNAME
# Micrel MIC2775-29YM5 Supervisor
# Reset output will remain active for 280ms (maximum)
#
adapter_nsrst_delay 300
jtag_ntrst_delay 300
arm7_9 fast_memory_access enable
arm7_9 dcc_downloads enable
adapter_khz 16000
# Target events
#
$_TARGETNAME configure -event reset-init { board_init }
# Initialize board hardware
#
proc board_init { } {
board_remap
flash probe 0
}
# Memory remap
#
proc board_remap {{VERBOSE 0}} {
# CS0: NOR flash
# 16MB @ 0x10000000
# 16-bit data bus
# 4 wait states
#
mww 0xffe00000 0x1000212d
# CS1: Ethernet controller
# 1MB @ 0x20000000
# 16-bit data bus
# 2 wait states
# Byte select access
#
mww 0xffe00004 0x20003025
# CS2: CPLD registers
# 1MB @ 0x21000000
# 8-bit data bus
# 2 wait states
#
mww 0xffe00008 0x21002026
# CS3: Expansion bus
# 1MB @ 0x22000000
# 8-bit data bus
# 8 wait states
#
mww 0xffe00010 0x22002e3e
# Remap command
#
mww 0xffe00020 0x00000001
if {$VERBOSE != 0} {
puts "0x00000000 RAM"
puts "0x10000000 Flash"
puts "0x20000000 Ethernet"
puts "0x21000000 CPLD"
puts "0x22000000 Expansion"
}
}
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