93 lines
2.9 KiB
Plaintext
Executable File
93 lines
2.9 KiB
Plaintext
Executable File
#!/usr/local/bin/bdmctrl
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#
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# m548x board initialization for bdmctrl
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#
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open $1
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reset
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wait
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# set VBR
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write-ctrl 0x0801 0x00000000
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dump-register VBR
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# Turn on MBAR at 0xFF00_0000
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write-ctrl 0x0C0F 0xFF000000
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dump-register MBAR
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# Turn on RAMBAR0 at address FF10_0000
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write-ctrl 0x0C04 0xFF100007
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# Turn on RAMBAR1 at address FF10_1000 (disabled - not mapped by bdm currently)
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write-ctrl 0x0C05 0xFF101001
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#
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# Init CS0 (BootFLASH @ E000_0000 - E03F_FFFF 4Mbytes)
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write 0xFF000500 0xE0000000 4
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#write 0xFF000508 0x00041180 4
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write 0xFF000508 0x00100D80 4
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write 0xFF000504 0x003F0001 4
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# SDRAM Initialization @ 0000_0000 - 03FF_FFFF 64 Mbytes
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write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
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write 0xFF000020 0x00000019 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
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write 0xFF000024 0x08000000 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
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write 0xFF000028 0x10000000 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
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write 0xFF00002C 0x18000000 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
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write 0xFF000108 0x73711630 4 # SDCFG1
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write 0xFF00010C 0x46370000 4 # SDCFG2
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write 0xFF000104 0xE10B0002 4 # SDCR + IPALL
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write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
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write 0xFF000100 0x058D0000 4 # SDMR (write to LMR)
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sleep 100
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write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
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write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
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write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
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write 0xFF000100 0x018D0000 4 # SDMR (write to LMR)
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write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
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sleep 10
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# use system sdram as flashlib scratch area.
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# TODO: plugin flashing seems to work o.k. now for smaller binaries, while it doesn't for larger ones (EmuTOS) yet.
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# This seems to be related to large flash buffers and PC-relative adressing of the plugin
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#flash-plugin 0x1000 0xf000 flash29.plugin
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# notify flashlib that we have flash at address 0xE0000000, length 0x7FFFFF, plugin is flash29
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flash 0xE0000000
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flash-plugin 0x1000 0xf000 flashintelc3.plugin
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# Erase flash from 0xE0000000 to 0xE00FFFFF (reserved space for bas)
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#
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# Caution: sector offset numbers need to be the ones from the x16 address range
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# column and they vary in size - needs to be exactly as in the data sheet (p. 9)
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#
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# contrary to documentation, it seems we need to erase-wait after each sector
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erase 0xE0000000 0
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erase 0xE0000000 1
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erase 0xE0000000 2
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erase 0xE0000000 3
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erase 0xE0000000 4
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erase 0xE0000000 5
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erase 0xE0000000 6
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erase 0xE0000000 7
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erase 0xE0000000 8
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erase 0xE0000000 9
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erase 0xE0000000 10
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erase 0xE0000000 11
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erase 0xE0000000 12
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erase 0xE0000000 13
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#erase 0xE0000000 0x2000
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#erase 0xE0000000 0x3000
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#erase 0xE0000000 0x4000
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#erase 0xE0000000 0x5000
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#erase 0xE0000000 0x00006000
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#erase 0xE0000000 0x00007000
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#erase 0xE0000000 0x00008000
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#erase 0xE0000000 0x00009000
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#erase 0xE0000000 0x0000a000
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#erase 0xE0000000 0x0000b000
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#erase-wait 0xe0000000
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load -v ../m5484lite/bas.elf
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wait
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