target/xtensa: DAP-based Xtensa config files

- Config files for DAP/JTAG and DAP/SWD systems
- Xtensa core config definitions for NXP RT685 with Xtensa HiFi DSP

Signed-off-by: Ian Thompson <ianst@cadence.com>
Change-Id: I9c3280052073d86e09c7553de661eb8662a95c4a
Reviewed-on: https://review.openocd.org/c/openocd/+/7145
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

4 files changed, 282 insertions, 1 deletions

diff --git a/tcl/board/xtensa-kc705-ext-dap.cfg b/tcl/board/xtensa-kc705-ext-dap.cfg
new file mode 100644
index 0000000..ac92c70
--- /dev/null
+++ b/tcl/board/xtensa-kc705-ext-dap.cfg
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Cadence KC705 FPGA Development Platform for Xtensa targets
+# Can be used with various external adapters that support DAP, e.g. JLink
+#
+
+adapter speed 5000
+
+# KC705 supports DAP/JTAG
+transport select jtag
+set XTENSA_DAP enable
+set XTENSA_DAP_BASE 0x10000
+
+# Create Xtensa target first
+source [find target/xtensa.cfg]
diff --git a/tcl/board/xtensa-rt685-ext.cfg b/tcl/board/xtensa-rt685-ext.cfg
new file mode 100644
index 0000000..03edb8d
--- /dev/null
+++ b/tcl/board/xtensa-rt685-ext.cfg
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# NXP RT6XX Developemnt Platform with Xtensa HiFi DSP
+# Can be used with various external adapters that support DAP, e.g. JLink
+#
+
+adapter speed 10000
+
+# RT6XX supports SWD only
+transport select swd
+set XTENSA_DAP enable
+
+# Create Xtensa target first
+source [find target/xtensa.cfg]
+
+source [find target/xtensa-core-nxp_rt600.cfg]
diff --git a/tcl/target/xtensa-core-nxp_rt600.cfg b/tcl/target/xtensa-core-nxp_rt600.cfg
new file mode 100644
index 0000000..abd961e
--- /dev/null
+++ b/tcl/target/xtensa-core-nxp_rt600.cfg
@@ -0,0 +1,247 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# OpenOCD configuration file for Xtensa HiFi DSP in NXP RT600 target
+
+
+#  Core definition and ABI
+xtensa xtdef	LX
+xtensa xtopt	arnum           	32
+xtensa xtopt	windowed        	1
+
+
+#  Exception/Interrupt Options
+xtensa xtopt	exceptions      	1
+xtensa xtopt	hipriints       	1
+xtensa xtopt	intlevels       	4
+xtensa xtopt	excmlevel       	2
+
+
+#  Cache Options
+xtensa xtmem	icache          	256	32768	4
+xtensa xtmem	dcache          	256	65536	4	1
+
+
+#  Memory Options
+xtensa xtmem	iram            	0x24020000	65536
+xtensa xtmem	dram            	0x24000000	65536
+xtensa xtmem	sram            	0x00000000	603979776
+
+
+#  Memory Protection/Translation Options
+
+
+#  Debug Options
+xtensa xtopt	debuglevel      	4
+xtensa xtopt	ibreaknum       	2
+xtensa xtopt	dbreaknum       	2
+
+
+#  Core Registers
+xtensa xtregs	208
+xtensa xtreg	pc              	0x0020
+xtensa xtreg	ar0             	0x0100
+xtensa xtreg	ar1             	0x0101
+xtensa xtreg	ar2             	0x0102
+xtensa xtreg	ar3             	0x0103
+xtensa xtreg	ar4             	0x0104
+xtensa xtreg	ar5             	0x0105
+xtensa xtreg	ar6             	0x0106
+xtensa xtreg	ar7             	0x0107
+xtensa xtreg	ar8             	0x0108
+xtensa xtreg	ar9             	0x0109
+xtensa xtreg	ar10            	0x010a
+xtensa xtreg	ar11            	0x010b
+xtensa xtreg	ar12            	0x010c
+xtensa xtreg	ar13            	0x010d
+xtensa xtreg	ar14            	0x010e
+xtensa xtreg	ar15            	0x010f
+xtensa xtreg	ar16            	0x0110
+xtensa xtreg	ar17            	0x0111
+xtensa xtreg	ar18            	0x0112
+xtensa xtreg	ar19            	0x0113
+xtensa xtreg	ar20            	0x0114
+xtensa xtreg	ar21            	0x0115
+xtensa xtreg	ar22            	0x0116
+xtensa xtreg	ar23            	0x0117
+xtensa xtreg	ar24            	0x0118
+xtensa xtreg	ar25            	0x0119
+xtensa xtreg	ar26            	0x011a
+xtensa xtreg	ar27            	0x011b
+xtensa xtreg	ar28            	0x011c
+xtensa xtreg	ar29            	0x011d
+xtensa xtreg	ar30            	0x011e
+xtensa xtreg	ar31            	0x011f
+xtensa xtreg	lbeg            	0x0200
+xtensa xtreg	lend            	0x0201
+xtensa xtreg	lcount          	0x0202
+xtensa xtreg	sar             	0x0203
+xtensa xtreg	prefctl         	0x0228
+xtensa xtreg	windowbase      	0x0248
+xtensa xtreg	windowstart     	0x0249
+xtensa xtreg	configid0       	0x02b0
+xtensa xtreg	configid1       	0x02d0
+xtensa xtreg	ps              	0x02e6
+xtensa xtreg	threadptr       	0x03e7
+xtensa xtreg	br              	0x0204
+xtensa xtreg	scompare1       	0x020c
+xtensa xtreg	acclo           	0x0210
+xtensa xtreg	acchi           	0x0211
+xtensa xtreg	m0              	0x0220
+xtensa xtreg	m1              	0x0221
+xtensa xtreg	m2              	0x0222
+xtensa xtreg	m3              	0x0223
+xtensa xtreg	expstate        	0x03e6
+xtensa xtreg	f64r_lo         	0x03ea
+xtensa xtreg	f64r_hi         	0x03eb
+xtensa xtreg	f64s            	0x03ec
+xtensa xtreg	ae_ovf_sar      	0x03f0
+xtensa xtreg	ae_bithead      	0x03f1
+xtensa xtreg	ae_ts_fts_bu_bp 	0x03f2
+xtensa xtreg	ae_cw_sd_no     	0x03f3
+xtensa xtreg	ae_cbegin0      	0x03f6
+xtensa xtreg	ae_cend0        	0x03f7
+xtensa xtreg	ae_cbegin1      	0x03f8
+xtensa xtreg	ae_cend1        	0x03f9
+xtensa xtreg	aed0            	0x1010
+xtensa xtreg	aed1            	0x1011
+xtensa xtreg	aed2            	0x1012
+xtensa xtreg	aed3            	0x1013
+xtensa xtreg	aed4            	0x1014
+xtensa xtreg	aed5            	0x1015
+xtensa xtreg	aed6            	0x1016
+xtensa xtreg	aed7            	0x1017
+xtensa xtreg	aed8            	0x1018
+xtensa xtreg	aed9            	0x1019
+xtensa xtreg	aed10           	0x101a
+xtensa xtreg	aed11           	0x101b
+xtensa xtreg	aed12           	0x101c
+xtensa xtreg	aed13           	0x101d
+xtensa xtreg	aed14           	0x101e
+xtensa xtreg	aed15           	0x101f
+xtensa xtreg	u0              	0x1020
+xtensa xtreg	u1              	0x1021
+xtensa xtreg	u2              	0x1022
+xtensa xtreg	u3              	0x1023
+xtensa xtreg	aep0            	0x1024
+xtensa xtreg	aep1            	0x1025
+xtensa xtreg	aep2            	0x1026
+xtensa xtreg	aep3            	0x1027
+xtensa xtreg	fcr_fsr         	0x1029
+xtensa xtreg	mmid            	0x0259
+xtensa xtreg	ibreakenable    	0x0260
+xtensa xtreg	memctl          	0x0261
+xtensa xtreg	atomctl         	0x0263
+xtensa xtreg	ddr             	0x0268
+xtensa xtreg	ibreaka0        	0x0280
+xtensa xtreg	ibreaka1        	0x0281
+xtensa xtreg	dbreaka0        	0x0290
+xtensa xtreg	dbreaka1        	0x0291
+xtensa xtreg	dbreakc0        	0x02a0
+xtensa xtreg	dbreakc1        	0x02a1
+xtensa xtreg	epc1            	0x02b1
+xtensa xtreg	epc2            	0x02b2
+xtensa xtreg	epc3            	0x02b3
+xtensa xtreg	epc4            	0x02b4
+xtensa xtreg	epc5            	0x02b5
+xtensa xtreg	depc            	0x02c0
+xtensa xtreg	eps2            	0x02c2
+xtensa xtreg	eps3            	0x02c3
+xtensa xtreg	eps4            	0x02c4
+xtensa xtreg	eps5            	0x02c5
+xtensa xtreg	excsave1        	0x02d1
+xtensa xtreg	excsave2        	0x02d2
+xtensa xtreg	excsave3        	0x02d3
+xtensa xtreg	excsave4        	0x02d4
+xtensa xtreg	excsave5        	0x02d5
+xtensa xtreg	cpenable        	0x02e0
+xtensa xtreg	interrupt       	0x02e2
+xtensa xtreg	intset          	0x02e2
+xtensa xtreg	intclear        	0x02e3
+xtensa xtreg	intenable       	0x02e4
+xtensa xtreg	vecbase         	0x02e7
+xtensa xtreg	exccause        	0x02e8
+xtensa xtreg	debugcause      	0x02e9
+xtensa xtreg	ccount          	0x02ea
+xtensa xtreg	prid            	0x02eb
+xtensa xtreg	icount          	0x02ec
+xtensa xtreg	icountlevel     	0x02ed
+xtensa xtreg	excvaddr        	0x02ee
+xtensa xtreg	ccompare0       	0x02f0
+xtensa xtreg	ccompare1       	0x02f1
+xtensa xtreg	misc0           	0x02f4
+xtensa xtreg	misc1           	0x02f5
+xtensa xtreg	pwrctl          	0x2024
+xtensa xtreg	pwrstat         	0x2025
+xtensa xtreg	eristat         	0x2026
+xtensa xtreg	cs_itctrl       	0x2027
+xtensa xtreg	cs_claimset     	0x2028
+xtensa xtreg	cs_claimclr     	0x2029
+xtensa xtreg	cs_lockaccess   	0x202a
+xtensa xtreg	cs_lockstatus   	0x202b
+xtensa xtreg	cs_authstatus   	0x202c
+xtensa xtreg	pmg             	0x203b
+xtensa xtreg	pmpc            	0x203c
+xtensa xtreg	pm0             	0x203d
+xtensa xtreg	pm1             	0x203e
+xtensa xtreg	pmctrl0         	0x203f
+xtensa xtreg	pmctrl1         	0x2040
+xtensa xtreg	pmstat0         	0x2041
+xtensa xtreg	pmstat1         	0x2042
+xtensa xtreg	ocdid           	0x2043
+xtensa xtreg	ocd_dcrclr      	0x2044
+xtensa xtreg	ocd_dcrset      	0x2045
+xtensa xtreg	ocd_dsr         	0x2046
+xtensa xtreg	a0              	0x0000
+xtensa xtreg	a1              	0x0001
+xtensa xtreg	a2              	0x0002
+xtensa xtreg	a3              	0x0003
+xtensa xtreg	a4              	0x0004
+xtensa xtreg	a5              	0x0005
+xtensa xtreg	a6              	0x0006
+xtensa xtreg	a7              	0x0007
+xtensa xtreg	a8              	0x0008
+xtensa xtreg	a9              	0x0009
+xtensa xtreg	a10             	0x000a
+xtensa xtreg	a11             	0x000b
+xtensa xtreg	a12             	0x000c
+xtensa xtreg	a13             	0x000d
+xtensa xtreg	a14             	0x000e
+xtensa xtreg	a15             	0x000f
+xtensa xtreg	b0              	0x0010
+xtensa xtreg	b1              	0x0011
+xtensa xtreg	b2              	0x0012
+xtensa xtreg	b3              	0x0013
+xtensa xtreg	b4              	0x0014
+xtensa xtreg	b5              	0x0015
+xtensa xtreg	b6              	0x0016
+xtensa xtreg	b7              	0x0017
+xtensa xtreg	b8              	0x0018
+xtensa xtreg	b9              	0x0019
+xtensa xtreg	b10             	0x001a
+xtensa xtreg	b11             	0x001b
+xtensa xtreg	b12             	0x001c
+xtensa xtreg	b13             	0x001d
+xtensa xtreg	b14             	0x001e
+xtensa xtreg	b15             	0x001f
+xtensa xtreg	psintlevel      	0x2006
+xtensa xtreg	psum            	0x2007
+xtensa xtreg	pswoe           	0x2008
+xtensa xtreg	psexcm          	0x2009
+xtensa xtreg	pscallinc       	0x200a
+xtensa xtreg	psowb           	0x200b
+xtensa xtreg	acc             	0x200c
+xtensa xtreg	dbnum           	0x2011
+xtensa xtreg	ae_overflow     	0x2014
+xtensa xtreg	ae_sar          	0x2015
+xtensa xtreg	ae_cwrap        	0x2016
+xtensa xtreg	ae_bitptr       	0x2017
+xtensa xtreg	ae_bitsused     	0x2018
+xtensa xtreg	ae_tablesize    	0x2019
+xtensa xtreg	ae_first_ts     	0x201a
+xtensa xtreg	ae_nextoffset   	0x201b
+xtensa xtreg	ae_searchdone   	0x201c
+xtensa xtreg	roundmode       	0x201d
+xtensa xtreg	invalidflag     	0x201e
+xtensa xtreg	divzeroflag     	0x201f
+xtensa xtreg	overflowflag    	0x2020
+xtensa xtreg	underflowflag   	0x2021
+xtensa xtreg	inexactflag     	0x2022
diff --git a/tcl/target/xtensa.cfg b/tcl/target/xtensa.cfg
index ef594f9..101e135 100644
--- a/tcl/target/xtensa.cfg
+++ b/tcl/target/xtensa.cfg
@@ -34,7 +34,12 @@ if { [info exists XTENSA_DAP] } {
 	dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
 
 	set _TARGETNAME $_CHIPNAME.cpu
-	target create $_TARGETNAME xtensa -dap $_CHIPNAME.dap
+	if { [info exists XTENSA_DAP_BASE] } {
+		# Specify fixed offset for accessing XDM via APB behind a DAP interface
+		target create $_TARGETNAME xtensa -dap $_CHIPNAME.dap -dbgbase $XTENSA_DAP_BASE
+	} else {
+		target create $_TARGETNAME xtensa -dap $_CHIPNAME.dap
+	}
 } else {
 	# JTAG direct (without DAP)
 	eval jtag newtap $_CHIPNAME $_CPU0NAME -irlen 5 $_CPUTAPARGLIST