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openocd/tcl/board/atmel_at91sam9rl-ek.cfg
Antonio Borneo 4157732bd8 tcl/board: add SPDX tag
For historical reasons, no license information was added to the
tcl files. This makes trivial adding the SPDX tag through script:
	fgrep -rL SPDX tcl/board | while read a;do \
	sed -i '1{i# SPDX-License-Identifier: GPL-2.0-or-later\n
	}' $a;done

With no specific license information from the author, let's extend
the OpenOCD project license GPL-2.0-or-later to the files.

Change-Id: Ibcf7da62e842aafd036a78db9ea2b9f11f79af16
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7028
Tested-by: jenkins
Reviewed-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
2022-06-24 21:53:49 +00:00

78 lines
3.0 KiB
INI

# SPDX-License-Identifier: GPL-2.0-or-later
################################################################################
#
# Generated for Atmel AT91SAM9RL-EK evaluation board using Atmel SAM-ICE (J-Link) V6
#
# Atmel AT91SAM9RL : PLL = 200 MHz, MCK = 100 MHz
# OSCSEL configured for external 32.768 kHz crystal
#
# 32-bit SDRAM : 2 x Micron MT48LC16M16A2, 4M x 16Bit x 4 Banks
#
################################################################################
# We add to the minimal configuration.
source [find target/at91sam9rl.cfg]
$_TARGETNAME configure -event reset-start {
# At reset CPU runs at 32.768 kHz.
# JTAG Frequency must be 6 times slower if RCLK is not supported.
jtag_rclk 5
halt
# RSTC_MR : enable user reset, MMU may be enabled... use physical address
mww phys 0xfffffd08 0xa5000501
}
$_TARGETNAME configure -event reset-init {
mww 0xfffffd44 0x00008000 ;# WDT_MR : disable watchdog
mww 0xfffffc20 0x00004001 ;# CKGR_MOR : enable the main oscillator
sleep 20 ;# wait 20 ms
mww 0xfffffc30 0x00000001 ;# PMC_MCKR : switch to main oscillator
sleep 10 ;# wait 10 ms
mww 0xfffffc28 0x2031bf03 ;# CKGR_PLLR: Set PLL Register for 200 MHz
sleep 20 ;# wait 20 ms
mww 0xfffffc30 0x00000101 ;# PMC_MCKR : Select prescaler (divide by 2)
sleep 10 ;# wait 10 ms
mww 0xfffffc30 0x00000102 ;# PMC_MCKR : Clock from PLL is selected (100 MHz)
sleep 10 ;# wait 10 ms
# Increase JTAG Speed to 6 MHz if RCLK is not supported
jtag_rclk 6000
arm7_9 dcc_downloads enable ;# Enable faster DCC downloads
mww 0xfffff670 0xffff0000 ;# PIO_ASR : Select peripheral function for D16..D31 (PIOB)
mww 0xfffff604 0xffff0000 ;# PIO_PDR : Disable PIO function for D16..D31 (PIOB)
mww 0xffffef20 0x00010002 ;# EBI_CSA : Assign EBI Chip Select 1 to SDRAM, VDDIOMSEL set for +3V3 memory
mww 0xffffea08 0x85227259 ;# SDRAMC_CR : Configure SDRAM (2 x Micron MT48LC16M16A2 : 4M x 16Bit x 4 Banks)
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 8 x 'Auto-Refresh' Command
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
mww 0x20000000 0
mww 0xffffea00 0x4
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 0x2b6 ;# SDRAMC_TR : Set refresh timer count to 7us
}