47 lines
2.0 KiB
INI
47 lines
2.0 KiB
INI
# SPDX-License-Identifier: GPL-2.0-or-later
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# Common setup for the LPC2xxx parts
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# parameters:
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# - chip_name - name of the chip, e.g. lpc2103
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# - cputapids - TAP IDs of the core, should be quoted if more than one, e.g. 0x4f1f0f0f or "0x3f0f0f0f 0x4f1f0f0f"
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# - flash_size - size of on-chip flash (available for code, not including the bootloader) in bytes, e.g. 0x8000
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# - flash_variant - "type" of LPC2xxx device, lpc2000_v1 (LPC22xx and older LPC21xx) or lpc2000_v2 (LPC213x, LPC214x, LPC210[123], LPC23xx and LPC24xx)
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# - workarea_size - size of work-area in RAM for flashing procedures, must not exceed the size of RAM available at 0x40000000, e.g. 0x2000
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# - core_freq_khz - frequency of core in kHz during flashing, usually equal to connected crystal or internal oscillator, e.g. 12000
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# - adapter_freq_khz - frequency of debug adapter in kHz, should be 8x slower than core_freq_khz, e.g. 1000
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proc setup_lpc2xxx {chip_name cputapids flash_size flash_variant workarea_size core_freq_khz adapter_freq_khz} {
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reset_config trst_and_srst
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# reset delays
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adapter srst delay 100
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jtag_ntrst_delay 100
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adapter speed $adapter_freq_khz
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foreach i $cputapids {
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append expected_ids "-expected-id " $i " "
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}
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eval "jtag newtap $chip_name cpu -irlen 4 -ircapture 0x1 -irmask 0xf $expected_ids"
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global _TARGETNAME
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set _TARGETNAME $chip_name.cpu
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target create $_TARGETNAME arm7tdmi -chain-position $_TARGETNAME
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$_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size $workarea_size -work-area-backup 0
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if { $flash_size > 0 } {
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# flash bank <name> lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc checksum]
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set _FLASHNAME $chip_name.flash
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flash bank $_FLASHNAME lpc2000 0x0 $flash_size 0 0 $_TARGETNAME $flash_variant $core_freq_khz calc_checksum
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}
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}
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proc init_targets {} {
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# FIX!!! read out CPUTAPID here and choose right setup. In addition to the
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# CPUTAPID some querying of the target would be required.
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return -error "This is a generic LPC2xxx configuration file, use a specific target file."
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}
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