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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)
- #
- jtag_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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