mpserv_startupscriptm55800a.dbs

基本的几个引用程序,来看卡发的有用程序,别错过了

#--------------------------------------------------------------------------------------
#      ATMEL Microcontroller Software Support  -  ROUSSET  -
#--------------------------------------------------------------------------------------
# The software is delivered "AS IS" without warranty or condition of any
# kind, either express, implied or statutory. This includes without
# limitation any warranty or condition with respect to merchantability or
# fitness for any particular purpose, or against the infringements of
# intellectual property rights of others.
#--------------------------------------------------------------------------------------
# File Name           : mpserv_eb55.dbs
# Object              : Setup script for the Ateml AT91 board EB55 (Green Hills probes) 
#			with specifc board initialisation
#				- PLL
#				- EBI
#
# 1.0 21/Oct/02 JPP   : Creation from ocd file 
# 1.1 05/Feb/03 SC    : Set the APMC_CGMR in known state before all.
#			Modification a APMC Level => add "while" loop to check the Oscillator
#		        and PLL startup. Set
#--------------------------------------------------------------------------------------

# Setup script for the Atmel AT91 board,

# Firstly, we decrease the JTAG clock frequency to avoid bad reading if processor is working
# at 32 kHz
set clock 10000

# jr: Reset the JTAG TAP controller. This step is necessary to set the TAP controller in
# a known state
jr

#Reset the Application
#tr

# --------------------------------------------------------
# From 32 kHz Clock Frequency to 32MHz PLL output        -
# --------------------------------------------------------
#Before all, set the APMC in default State without to know the initial value:
#The APMC_CGMR modification must be performed according to the
#data written already. This script set the APMC_CGMR in the default state
#i.e. 0x0.

# => CSS=01
m 0xffff4020=0x032f4102
m 0xffff4020
print Swith to the Main Oscillator

# => MUL=0
m 0xffff4020=0x032f4002
m 0xffff4020
print Stop the PLL

#  => CSS=0
m 0xffff4020=0x032f0002
m 0xffff4020
print Swith to the Low Frequency Oscillator

# APMC_CGMR = 0x0 
m 0xffff4020=0x0
m 0xffff4020
print The APMC_CGMR register has the reset value i.e. 0x0


# This script is to speed up the System Frequency to run at 32MHz
# Enable the main oscillator (16Mhz) / MOSCEN = 1, OSCOUNT = 47  (1.4ms/30祍)
m 0xffff4020=0x002F0002
m 0xffff4020
#-------------
# Wait for Main oscillator stabilization. Wait for APMC_MOSCS Bit in APMC_SR equals 1.
#-------------
moscs_checking=m 0xffff4030

while (moscs_checking != 1)
print The Main Oscillator is not ready !
moscs_checking=m 0xffff4030
endwhile
print OK, the Main Oscillator is ready now
print 

# Switch from the Slow Clock source to the Main Oscillator (32K to 16Mhz)
m 0xffff4020=0x002F4002

#-------------
#Setup the PLL / MUL = 1, PLLCOUNT = 3, CSS = 1
#-------------
m 0xffff4020=0x032F4102

# Wait for the PLL is stabilized. Wait for APMC_PLL_LOCK Bit in APMC_SR equals 1
lock_checking=m 0xffff4030

while (lock_checking != 3)
print PLL is not ready
lock_checking=m 0xffff4030
endwhile
print OK, the PLL is ready now
print 

# Switch from the Main Oscillator (16Mhz) to PLL output (32MHz) / CSS = 2, MUL = 1
m 0xffff4020=0x032F8102

# --------------------------------------------------------
# Now the Master clock is the output of PLL @ 32MHz 
# EBI Setting
# --------------------------------------------------------
#if (m 0xffe00000 == 0x0000203d)
#print AT91 reset
#endif

#print set the EBI value for load application
# EBI_CSR0 connected to the flash memory.
# Settings : EBI_BA=0x01000000 / EBI_CSEN / EBI_BAT_BYTE_WRITE / EBI_TDF_2 / EBI_PAGES_16M / EBI_NWS_3 / EBI_DBW_16
#m 0xffe00000=0x01002529

# EBI_CSR1 connected to the External SRAM memory.
# Settings : EBI_BA=0x02000000 / EBI_CSEN / EBI_BAT_BYTE_WRITE / EBI_TDF_0 / EBI_PAGES_16M / EBI_NWS_1 / EBI_DBW_16
#m 0xffe00004=0x02002121

# AT91 REMAP Done
#m 0xffe00020=0x00000001

# 2M bytes per Chip Select
#m 0xffe00024=0x00000006
print 

# Get the Chip ID
print Chip ID
m 0xfff00000

print 
# Get the Lists all breakpoints.
print Get the Lists all breakpoints.
bl
print Display current target status information.
ti

#set All register for RESET
reg r0 0x0
reg r1 0x0
reg r2 0x0
reg r3 0x0
reg r4 0x0
reg r5 0x0
reg r6 0x0
reg r7 0x0
reg r8 0x0
reg r9 0x0
reg r10 0x0
reg r11 0x0
reg r12 0x0
reg sp 0x0
reg lr 0x0
reg pc 0x0

# Set the mode register
reg cpsr 0xd3