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bas_firebee.bdm
executable file
·68 lines (57 loc) · 2.07 KB
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bas_firebee.bdm
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#!/usr/local/bin/bdmctrl -D2 -v9 -d9
#
# firebee board initialization for bdmctrl
#
open $1
reset
sleep 10
# Turn on MBAR at 0xFF00_0000
write-ctrl 0x0C0F 0xFF000000
# set VBR
write-ctrl 0x0801 0x00000000
# Turn on RAMBAR0 at address FF10_0000
write-ctrl 0x0C04 0xFF100007
# Turn on RAMBAR1 at address FF10_1000 (disabled - not mapped by bdm currently)
write-ctrl 0x0C05 0xFF101001
# Init CS0 (BootFLASH @ E000_0000 - E07F_FFFF 8Mbytes)
write 0xFF000500 0xE0000000 4
write 0xFF000508 0x00041180 4
write 0xFF000504 0x007F0001 4
wait
# Init CS1 (Atari I/O address range)
write 0xFF00050C 0xFFF00000 4
write 0xFF000514 0x00002180 4
write 0xFF000510 0x000F0001 4
# Init CS2 (FireBee 32 bit I/O address range)
write 0xFF000518 0xF0000000 4
write 0xFF000520 0x00002100 4
write 0xFF00051C 0x07FF0001 4
# Init CS3 (FireBee 16 bit I/O address range)
write 0xFF000524 0xF8000000 4
write 0xFF00052C 0x00000180 4
write 0xFF000528 0x03FF0001 4
# Init CS4 (FireBee video address range)
write 0xFF000530 0x40000000 4
write 0xFF000538 0x00000018 4
write 0xFF000534 0x003F0001 4
# SDRAM Initialization @ 0000_0000 - 1FFF_FFFF 512Mbytes
write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
write 0xFF000108 0x73622830 4 # SDCFG1
write 0xFF00010C 0x46770000 4 # SDCFG2
write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
sleep 100
write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
sleep 100
load -v firebee/ram.elf
execute
wait