Ferdinand Postema <ferdinand@postema.eu> config script for the MMnet1001 module from Propox.

git-svn-id: svn://svn.berlios.de/openocd/trunk@2656 b42882b7-edfa-0310-969c-e2dbd0fdcd60

tcl/board/propox_mmnet1001.cfg

+
+## Chip:
+set CHIPNAME at91sam9260
+set CPUTAPID 0x0792603f
+set ENDIAN little
+source [find target/at91sam9260.cfg]
+
+$_TARGETNAME configure -event reset-init {at91sam_init}
+
+
+proc at91sam_init { } {
+	
+	# at reset chip runs at 32 kHz => 1/8 * 32 kHz = 4 kHz
+	jtag_rclk 4
+
+	# Enable user reset and disable watchdog
+	mww 0xfffffd08 0xa5000501         # RSTC_MR : enable user reset
+	mww 0xfffffd44 0x00008000         # WDT_MR : disable watchdog
+
+	# Oscillator setup
+	mww 0xfffffc20 0x00004001         # CKGR_MOR : enable the main oscillator (18.432 MHz)
+	sleep 20                          # wait 20 ms
+	mww 0xfffffc30 0x00000001         # PMC_MCKR : switch to main oscillator
+	sleep 10                          # wait 10 ms
+
+	# now we are running at 18.432 MHz kHz => 1/8 * 18.432 MHz = 2.304 MHz
+	jtag_rclk 2000
+
+	mww 0xfffffc28 0x2060bf09         # CKGR_PLLAR: Set PLLA Register for 198,656MHz
+	sleep 20                          # wait 20 ms
+	mww 0xfffffc2c 0x207c3f0c         # CKGR_PLLBR: Set PLLB Register for USB usage (USB_CLK = 48 MHz)
+	sleep 10                          # wait 10 ms
+	mww 0xfffffc30 0x00000101         # PMC_MCKR : Select prescaler
+	sleep 10                          # wait 10 ms
+	mww 0xfffffc30 0x00000102         # PMC_MCKR : Clock from PLLA is selected
+	sleep 10                          # wait 10 ms
+
+	# now we are running at 198.656 MHz kHz => full speed jtag
+	jtag_rclk 30000
+
+	arm7_9 dcc_downloads enable       # Enable faster DCC downloads
+
+	# Configure PIO Controller for SDRAM data-lines D16-D31
+	# PC16-PC31 = Peripheral A: D16-D32
+	mww 0xfffff844 0xffff0000	# Interrupt Disable
+	mww 0xfffff854 0xffff0000	# Multi-Drive Disable
+	mww 0xfffff860 0xffff0000	# Pull-Up Disable
+	mww 0xfffff870 0xffff0000	# PIO_ASR : Select peripheral A function for D15..D31
+	mww 0xfffff804 0xffff0000	# PIO_PDR : Disable PIO function for D15..D31 (Peripheral function enable)
+	mww 0xfffffc10 0x00000010	# Enable PIO-C Clock in PMC (PID=4)
+
+	# SD-Ram setup
+	mww 0xffffef1c 0x2			# EBI_CSA : Assign EBI Chip Select 1 to SDRAM
+	mww 0xffffea08 0x85227259	# SDRAMC_CR : Configure SDRAM (IS42S32160A: 4M Words x 32 Bits x 4 Banks (512-Mbit))
+	mww 0xffffea00 0x1			# SDRAMC_MR : issue a NOP command
+	mww 0x20000000 0
+	mww 0xffffea00 0x2			# SDRAMC_MR : issue an 'All Banks Precharge' command
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (1st)
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (2nd)
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (3th)
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (4th)
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (5th)
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (6th)
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (7th)
+	mww 0x20000000 0
+	mww 0xffffea00 0x4			# SDRAMC_MR : issue an 'Auto-Refresh' command (8th)
+	mww 0x20000000 0
+	mww 0xffffea00 0x3			# SDRAMC_MR : issue a 'Load Mode Register' command
+	mww 0x20000000 0
+	mww 0xffffea00 0x0			# SDRAMC_MR : Normal Mode
+	mww 0x20000000 0
+	mww 0xFFFFEA04 0x30d		# SDRAM Refresh Time Register
+								#  datasheet: 8k refresh cycles / 64 ms
+								#  MCLK / (8*1024 / 64e-3) = 100e6 / 128000 = 781 = 0x30d
+
+}