riscv-openocd/tcl/board/imx27ads.cfg

# The IMX27 ADS eval board has a single IMX27 chip
# Note: tested on IMX27ADS Board REV-2.6 and REV-2.8
source [find target/imx27.cfg]
$_TARGETNAME configure -event gdb-attach { reset init }
$_TARGETNAME configure -event reset-init { imx27ads_init }

# The IMX27 ADS board has a NOR flash on CS0
flash_bank cfi 0xc0000000 0x00200000 2 2 0

proc imx27ads_init { } {
	# This setup puts RAM at 0xA0000000

	# reset the board correctly
	reset run
	reset halt

	mww 0x10000000 0x20040304
	mww 0x10020000 0x00000000
	mww 0x10000004 0xDFFBFCFB
	mww 0x10020004 0xFFFFFFFF

	sleep 100

	# ========================================
	#  Configure DDR on CSD0 -- initial reset
	# ========================================
	mww 0xD8001010 0x00000008

	# ========================================
	#  Configure PSRAM on CS5
	# ========================================
	mww 0xd8002050 0x0000dcf6
	mww 0xd8002054 0x444a4541
	mww 0xd8002058 0x44443302

	#  ========================================
	#         Configure16 bit NorFlash on CS0
	#  ========================================
	mww 0xd8002000 0x0000CC03
	mww 0xd8002004 0xa0330D01
	mww 0xd8002008 0x00220800

	# ========================================
	#  Configure CPLD on CS4
	# ========================================
	mww 0xd8002040 0x0000DCF6
	mww 0xd8002044 0x444A4541
	mww 0xd8002048 0x44443302

	# ========================================
	#  Configure DDR on CSD0 -- wait 5000 cycle
	# ========================================
	mww 0x10027828 0x55555555
	mww 0x10027830 0x55555555
	mww 0x10027834 0x55555555
	mww 0x10027838 0x00005005
	mww 0x1002783C 0x15555555

	mww 0xD8001010 0x00000004

	mww 0xD8001004 0x00795729

	mww 0xD8001000 0x92200000
	mww 0xA0000F00 0x0

	mww 0xD8001000 0xA2200000
	mww 0xA0000F00 0x0
	mww 0xA0000F00 0x0

	mww 0xD8001000 0xB2200000
	mwb 0xA0000033 0xFF
	mwb 0xA1000000 0xAA

	mww 0xD8001000 0x82228085
}