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drivers/vdebug: add support for DAP level interface

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This patch adds support for DAP interface to Cadence vdebug driver.
It implements a new transport layer for dapdirect_swd.

Change-Id: I64b02a9e1ce91e552e07fca692879655496f88b6
Signed-off-by: Jacek Wuwer <jacekmw8@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6965
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Jacek Wuwer
2022-05-04 10:15:57 +02:00
committed by Antonio Borneo
parent 49cf334e98
commit f97915f248
10 changed files with 488 additions and 146 deletions
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26
tcl/board/vd_m4_dap.cfg Normal file
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# SPDX-License-Identifier: GPL-2.0-or-later
# Cadence virtual debug interface
# Arm Cortex m4 through DAP
source [find interface/vdebug.cfg]
set _CHIPNAME m4
set _MEMSTART 0x00000000
set _MEMSIZE 0x10000
# vdebug select transport
transport select dapdirect_swd
adapter speed 25000
adapter srst delay 5
# BFM hierarchical path and input clk period
vdebug bfm_path tbench.u_vd_swdp_bfm 20ns
# DMA Memories to access backdoor (up to 4)
vdebug mem_path tbench.u_mcu.u_sys.u_rom.rom $_MEMSTART $_MEMSIZE
source [find target/swj-dp.tcl]
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf
source [find target/vd_cortex_m.cfg]