From ab92e6c301adf29e5091ed263e6ef589f15e33d4 Mon Sep 17 00:00:00 2001 From: Mikhail Yushkovskiy Date: Wed, 27 Sep 2017 23:37:46 +0300 Subject: [PATCH] Added bus blaster (http://dangerousprototypes.com/docs/Bus_Blaster) configuration for AT91SAM7S512 support in openocd. --- tools/at91sam7s512-busblaster.cfg | 54 +++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 tools/at91sam7s512-busblaster.cfg diff --git a/tools/at91sam7s512-busblaster.cfg b/tools/at91sam7s512-busblaster.cfg new file mode 100644 index 00000000..6555936b --- /dev/null +++ b/tools/at91sam7s512-busblaster.cfg @@ -0,0 +1,54 @@ +## General OpenOCD configuration +# Ports +telnet_port 4444 +gdb_port 3333 + +## Interface configuration section +# Interface + +# you can use +#source [find interface/ftdi/dp_busblaster.cfg] +# or + +interface ftdi +ftdi_device_desc "Dual RS232-HS" +ftdi_vid_pid 0x0403 0x6010 + +ftdi_layout_init 0x0c08 0x0f1b +ftdi_layout_signal nTRST -data 0x0100 -noe 0x0400 +ftdi_layout_signal nSRST -data 0x0200 -noe 0x0800 + +adapter_khz 1000 + +## Chipset configuration section +# use combined on interfaces or targets that can't set TRST/SRST separately +reset_config srst_only srst_pulls_trst + +jtag newtap sam7x cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id 0x3f0f0f0f + +target create sam7x.cpu arm7tdmi -endian little -chain-position sam7x.cpu + +sam7x.cpu configure -event reset-init { + soft_reset_halt + mww 0xfffffd00 0xa5000004 # RSTC_CR: Reset peripherals + mww 0xfffffd44 0x00008000 # WDT_MR: disable watchdog + mww 0xfffffd08 0xa5000001 # RSTC_MR enable user reset + mww 0xfffffc20 0x00005001 # CKGR_MOR : enable the main oscillator + sleep 10 + mww 0xfffffc2c 0x000b1c02 # CKGR_PLLR: 16MHz * 12/2 = 96MHz + sleep 10 + mww 0xfffffc30 0x00000007 # PMC_MCKR : MCK = PLL / 2 = 48 MHz + sleep 10 + mww 0xffffff60 0x00480100 # MC_FMR: flash mode (FWS=1,FMCN=72) + sleep 100 + +} + +# GDB can also flash my flash! +gdb_memory_map enable +gdb_breakpoint_override hard +#armv4_5 core_state arm + +sam7x.cpu configure -work-area-virt 0 -work-area-phys 0x00200000 -work-area-size 0x10000 -work-area-backup 0 +flash bank sam7x512.flash.0 at91sam7 0 0 0 0 sam7x.cpu 0 0 0 0 0 0 0 18432 +flash bank sam7x512.flash.1 at91sam7 0 0 0 0 sam7x.cpu 1 0 0 0 0 0 0 18432 -- 2.39.2