X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=tcl%2Ftarget%2Fat91sam4lXX.cfg;h=46c38aef2dd998d566a8a8f86e6f1cc7c5d843ec;hp=67759bc693773b73a9c3b9468f7bd79a9747bbe0;hb=f3b1405fddf0b32af27ad3894841f7d1702d8e5a;hpb=67f664a068238b106249bf33a77a67531bbf3b75 diff --git a/tcl/target/at91sam4lXX.cfg b/tcl/target/at91sam4lXX.cfg index 67759bc693..46c38aef2d 100644 --- a/tcl/target/at91sam4lXX.cfg +++ b/tcl/target/at91sam4lXX.cfg @@ -3,4 +3,25 @@ source [find target/at91sam4XXX.cfg] -# no flash defined yet +set _FLASHNAME $_CHIPNAME.flash +flash bank $_FLASHNAME at91sam4l 0x00000000 0 1 1 $_TARGETNAME + +# SAM4L SMAP will hold the CPU in reset if TCK is low when RESET_N +# deasserts (see datasheet 42023E-SAM-07/2013 sec 8.11.3). +# +# smap_reset_deassert configures whether we want to run or halt out of reset, +# then instruct the SMAP to let us out of reset. +$_TARGETNAME configure -event reset-deassert-post "at91sam4l smap_reset_deassert" + +# SRST (wired to RESET_N) resets debug circuitry +# srst_pulls_trst is not configured here to avoid an error raised in reset halt +reset_config srst_gates_jtag + +# SAM4L starts from POR with SYSCLK set to 115kHz RCSYS, needs slow JTAG speed. +# Datasheet does not specify SYSCLK to JTAG/SWD clock ratio. +# Usually used SYSCLK/6 is hell slow, testing shows that debugging can work @ SYSCLK/2 +# but your mileage may vary. +adapter_khz 50 + +# System RC oscillator RCSYS starts in 3 cycles +adapter_nsrst_delay 0