view makefile-frags/ram-link-steps @ 680:ee3ac8c617cb

armio.c: set GPIO2 output high initially On TI-canonical platforms GPIO2 is DCD modem control output. In TI's original code the AI_InitIOConfig() function called from Init_Target() would configure GPIO2 as an output and set the initial output value to low, but then the init code in uartfax.c called from Init_Serial_Flows() would immediately change it to high, corresponding to DCD not asserted. The result is a momentary asserted-state glitch on the DCD output. The present change eliminates this glitch, setting DCD output to not-asserted initially like it should be.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Jun 2020 03:17:43 +0000
parents 9432dd63626b
children
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ram:	ramimage.srec

link_ram.cmd:	${RAM_LINK_SCRIPT_SRC} Makefile lcfgen
	perl ../scripts/ti/make_cmd.pl lcfgen $@ 0 ${RAM_LINK_SCRIPT_SRC} \
		${SPECIAL_LINK_LIBS}

ramimage.out:	${LIBS} build_date.obj str2ind.obj link_ram.cmd
	../toolwrap/vlnk470 -farcall -x -o $@ -m ramimage.map $^

ramimage.m0:	ramimage.out
	../toolwrap/hex470 -m -memwidth 16 -romwidth 16 $<

ramimage.srec:	ramimage.m0
	../helpers/srec4ram $< $@