target: add Espressif ESP32-S2 basic support

[openocd.git] / tcl / target / ar71xx.cfg

diff --git a/tcl/target/ar71xx.cfg b/tcl/target/ar71xx.cfg
index 20383315cdbc43ca32b4eaee2328515513acdafc..57833f41855005a4a0ae8bf47b841c03013c0e25 100644 (file)
--- a/tcl/target/ar71xx.cfg
+++ b/tcl/target/ar71xx.cfg
@@ -1,7 +1,7 @@
 # Atheros AR71xx MIPS 24Kc SoC.
 # tested on PB44 refererence board
 
-jtag_nsrst_delay 100
+adapter srst delay 100
 jtag_ntrst_delay 100
 
 reset_config trst_and_srst
@@ -10,48 +10,47 @@ set CHIPNAME ar71xx
 
 jtag newtap $CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id 1
 
-set TARGETNAME $CHIPNAME.cpu
-target create $TARGETNAME mips_m4k -endian big -chain-position $TARGETNAME
+set _TARGETNAME $CHIPNAME.cpu
+target create $_TARGETNAME mips_m4k -endian big -chain-position $_TARGETNAME
 
-$TARGETNAME configure -event reset-halt-post {
+$_TARGETNAME configure -event reset-halt-post {
        #setup PLL to lowest common denominator 300/300/150 setting
-       mww 0xb8050000 0x000f40a3       # reset val + CPU:3 DDR:3 AHB:0
-       mww 0xb8050000 0x800f40a3       # send to PLL
+       mww 0xb8050000 0x000f40a3       ;# reset val + CPU:3 DDR:3 AHB:0
+       mww 0xb8050000 0x800f40a3       ;# send to PLL
 
        #next command will reset for PLL changes to take effect
-       mww 0xb8050008 3                # set reset_switch and clock_switch (resets SoC)
+       mww 0xb8050008 3                ;# set reset_switch and clock_switch (resets SoC)
 }
 
-$TARGETNAME configure -event reset-init {
+$_TARGETNAME configure -event reset-init {
        #complete pll initialization
-       mww 0xb8050000 0x800f0080       # set sw_update bit
-       mww 0xb8050008 0                # clear reset_switch bit
-       mww 0xb8050000 0x800f00e8       # clr pwrdwn & bypass
-       mww 0xb8050008 1                # set clock_switch bit
-       sleep 1                         # wait for lock
+       mww 0xb8050000 0x800f0080       ;# set sw_update bit
+       mww 0xb8050008 0                ;# clear reset_switch bit
+       mww 0xb8050000 0x800f00e8       ;# clr pwrdwn & bypass
+       mww 0xb8050008 1                ;# set clock_switch bit
+       sleep 1                         ;# wait for lock
 
        # Setup DDR config and flash mapping
-       mww 0xb8000000 0xefbc8cd0       # DDR cfg cdl val (rst: 0x5bfc8d0)
-       mww 0xb8000004 0x8e7156a2       # DDR cfg2 cdl val (rst: 0x80d106a8)
-
-       mww 0xb8000010 8                # force precharge all banks
-       mww 0xb8000010 1                # force EMRS update cycle
-       mww 0xb800000c 0                # clr ext. mode register
-       mww 0xb8000010 2                # force auto refresh all banks
-       mww 0xb8000010 8                # force precharge all banks
-       mww 0xb8000008 0x31             # set DDR mode value CAS=3
-       mww 0xb8000010 1                # force EMRS update cycle
-       mww 0xb8000014 0x461b           # DDR refresh value
-       mww 0xb8000018 0xffff           # DDR Read Data This Cycle value (16bit: 0xffff)
-       mww 0xb800001c 0x7              # delay added to the DQS line (normal = 7)
+       mww 0xb8000000 0xefbc8cd0       ;# DDR cfg cdl val (rst: 0x5bfc8d0)
+       mww 0xb8000004 0x8e7156a2       ;# DDR cfg2 cdl val (rst: 0x80d106a8)
+
+       mww 0xb8000010 8                ;# force precharge all banks
+       mww 0xb8000010 1                ;# force EMRS update cycle
+       mww 0xb800000c 0                ;# clr ext. mode register
+       mww 0xb8000010 2                ;# force auto refresh all banks
+       mww 0xb8000010 8                ;# force precharge all banks
+       mww 0xb8000008 0x31             ;# set DDR mode value CAS=3
+       mww 0xb8000010 1                ;# force EMRS update cycle
+       mww 0xb8000014 0x461b           ;# DDR refresh value
+       mww 0xb8000018 0xffff           ;# DDR Read Data This Cycle value (16bit: 0xffff)
+       mww 0xb800001c 0x7              ;# delay added to the DQS line (normal = 7)
        mww 0xb8000020 0
        mww 0xb8000024 0
        mww 0xb8000028 0
 }
 
 # setup working area somewhere in RAM
-$TARGETNAME configure -work-area-phys 0xa0600000 -work-area-size 0x20000
+$_TARGETNAME configure -work-area-phys 0xa0600000 -work-area-size 0x20000
 
 # serial SPI capable flash
 # flash bank <driver> <base> <size> <chip_width> <bus_width>
-