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- added target and event script for the eir-sam7se512 target

git-svn-id: svn://svn.berlios.de/openocd/trunk@712 b42882b7-edfa-0310-969c-e2dbd0fdcd60
tags/v0.1.0
mifi 16 years ago
parent
commit
1c429d9ce7
2 changed files with 111 additions and 0 deletions
  1. +87
    -0
      src/target/event/eir-sam7se512_reset.script
  2. +24
    -0
      src/target/target/eir-sam7se512.cfg

+ 87
- 0
src/target/event/eir-sam7se512_reset.script View File

@@ -0,0 +1,87 @@
# WDT_MR, disable watchdog
mww 0xFFFFFD44 0x00008000

# RSTC_MR, enable user reset
mww 0xfffffd08 0xa5000001

# CKGR_MOR
mww 0xFFFFFC20 0x00000601
sleep 10

# CKGR_PLLR
mww 0xFFFFFC2C 0x00481c0e
sleep 10

# PMC_MCKR
mww 0xFFFFFC30 0x00000007
sleep 10

# PMC_IER
mww 0xFFFFFF60 0x00480100

#
# Enable SDRAM interface.
#

# Enable SDRAM control at PIO A.
mww 0xfffff474 0x3f800000 # PIO_BSR_OFF
mww 0xfffff404 0x3f800000 # PIO_PDR_OFF

# Enable address bus (A0, A2-A11, A13-A17) at PIO B
mww 0xfffff674 0x0003effd # PIO_BSR_OFF
mww 0xfffff604 0x0003effd # PIO_PDR_OFF

# Enable 16 bit data bus at PIO C
mww 0xfffff870 0x0000ffff # PIO_ASR_OFF
mww 0xfffff804 0x0000ffff # PIO_PDR_OFF

# Enable SDRAM chip select
mww 0xffffff80 0x00000002 # EBI_CSA_OFF

# Set SDRAM characteristics in configuration register.
# Hard coded values for MT48LC32M16A2 with 48MHz CPU.
mww 0xffffffb8 0x2192215a # SDRAMC_CR_OFF
sleep 10

# Issue 16 bit SDRAM command: NOP
mww 0xffffffb0 0x00000011 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000

# Issue 16 bit SDRAM command: Precharge all
mww 0xffffffb0 0x00000012 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000

# Issue 8 auto-refresh cycles
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000
mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF
mww 0x20000000 0x00000000

# Issue 16 bit SDRAM command: Set mode register
mww 0xffffffb0 0x00000013 # SDRAMC_MR_OFF
mww 0x20000014 0xcafedede

# Set refresh rate count ???
mww 0xffffffb4 0x00000013 # SDRAMC_TR_OFF

# Issue 16 bit SDRAM command: Normal mode
mww 0xffffffb0 0x00000010 # SDRAMC_MR_OFF
mww 0x20000000 0x00000180

#
# Enable external reset key.
#
mww 0xfffffd08 0xa5000001


+ 24
- 0
src/target/target/eir-sam7se512.cfg View File

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#use combined on interfaces or targets that can't set TRST/SRST separately
reset_config srst_only srst_pulls_trst

#jtag scan chain
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
jtag_device 4 0x1 0xf 0xe

#target configuration
daemon_startup reset

#target <type> <startup mode>
#target arm7tdmi <reset mode> <chainpos> <endianness> <variant>
target arm7tdmi little run_and_init 0 arm7tdmi
run_and_halt_time 0 30

target_script 0 reset event/eir-sam7se512_reset.script

working_area 0 0x00200000 0x4000 nobackup

#flash bank <driver> <base> <size> <chip_width> <bus_width>
flash bank at91sam7 0 0 0 0 0

# For more information about the configuration files, take a
# look at the "Open On-Chip Debugger (openocd)" documentation.

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