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