riscv-openocd/tcl/board/pxa255_sst.cfg

# SPDX-License-Identifier: GPL-2.0-or-later

# A PXA255 test board with SST 39LF400A flash
#
# At reset the memory map is as follows. Note that
# the memory map changes later on as the application
# starts...
#
# RAM at 0x4000000
# Flash at 0x00000000
#
source [find target/pxa255.cfg]

# Target name is set by above
$_TARGETNAME configure -work-area-phys 0x4000000 -work-area-size 0x4000 -work-area-backup 0

# flash bank <driver> <base> <size> <chip_width> <bus_width> <target> [options]
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME cfi 0x00000000 0x80000 2 2 $_TARGETNAME jedec_probe

proc pxa255_sst_init {} {
	xscale cp15   15      0x00002001  ;#Enable CP0 and CP13 access
	#
	# setup GPIO
	#
	mww    0x40E00018  0x00008000  ;#CPSR0
	sleep   20
	mww    0x40E0001C  0x00000002  ;#GPSR1
	sleep   20
	mww    0x40E00020  0x00000008  ;#GPSR2
	sleep   20
	mww    0x40E0000C  0x00008000  ;#GPDR0
	sleep   20
	mww    0x40E00054  0x80000000  ;#GAFR0_L
	sleep   20
	mww    0x40E00058  0x00188010  ;#GAFR0_H
	sleep   20
	mww    0x40E0005C  0x60908018  ;#GAFR1_L
	sleep   20
	mww    0x40E0000C  0x0280E000  ;#GPDR0
	sleep   20
	mww    0x40E00010  0x821C88B2  ;#GPDR1
	sleep   20
	mww    0x40E00014  0x000F03DB  ;#GPDR2
	sleep   20
	mww    0x40E00000  0x000F03DB  ;#GPLR0
	sleep   20


	mww    0x40F00004  0x00000020  ;#PSSR
	sleep   20

	#
	# setup memory controller
	#
	mww    0x48000008  0x01111998  ;#MSC0
	sleep   20
	mww    0x48000010  0x00047ff0  ;#MSC2
	sleep   20
	mww    0x48000014  0x00000000  ;#MECR
	sleep   20
	mww    0x48000028  0x00010504  ;#MCMEM0
	sleep   20
	mww    0x4800002C  0x00010504  ;#MCMEM1
	sleep   20
	mww    0x48000030  0x00010504  ;#MCATT0
	sleep   20
	mww    0x48000034  0x00010504  ;#MCATT1
	sleep   20
	mww    0x48000038  0x00004715  ;#MCIO0
	sleep   20
	mww    0x4800003C  0x00004715  ;#MCIO1
	sleep   20
	#
	mww    0x48000004  0x03CA4018  ;#MDREF
	sleep   20
	mww    0x48000004  0x004B4018  ;#MDREF
	sleep   20
	mww    0x48000004  0x000B4018  ;#MDREF
	sleep   20
	mww    0x48000004  0x000BC018  ;#MDREF
	sleep   20
	mww    0x48000000  0x00001AC8  ;#MDCNFG
	sleep   20

	sleep   20

	mww    0x48000000  0x00001AC9  ;#MDCNFG
	sleep   20
	mww    0x48000040  0x00000000  ;#MDMRS
	sleep   20
}

$_TARGETNAME configure -event reset-init {pxa255_sst_init}

reset_config trst_and_srst

adapter srst delay 200
jtag_ntrst_delay 200

#xscale debug_handler 0  0xFFFF0800      ;# debug handler base address