gdb-eval.init

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#
# GDB Init script for the Motorola 5307C3 eval board.
#
# The main purpose of this script is to configure the 
# DRAM controller so code can be loaded.
#  ( Right now, it does not work, so the boot loader is depended on to
#    initialize the board )
#

#
# Define all of the addresses in the system
#
define addresses
set $mbar  = 0x10000001
set $rsr   = $mbar - 1 + 0x000
set $sypcr = $mbar - 1 + 0x001
set $swivr = $mbar - 1 + 0x002
set $swsr  = $mbar - 1 + 0x003
set $simr  = $mbar - 1 + 0x003
set $par   = $mbar - 1 + 0x004
set $irqpar= $mbar - 1 + 0x006
set $pllcr = $mbar - 1 + 0x008
set $mpark = $mbar - 1 + 0x00c
set $ipr   = $mbar - 1 + 0x040
set $imr   = $mbar - 1 + 0x044
set $avr   = $mbar - 1 + 0x04B

set $icr0  = $mbar - 1 + 0x04c
set $icr1  = $mbar - 1 + 0x04d
set $icr2  = $mbar - 1 + 0x04e
set $icr3  = $mbar - 1 + 0x04f
set $icr4  = $mbar - 1 + 0x050
set $icr5  = $mbar - 1 + 0x051
set $icr6  = $mbar - 1 + 0x052
set $icr7  = $mbar - 1 + 0x053
set $icr8  = $mbar - 1 + 0x054
set $icr9  = $mbar - 1 + 0x055
set $icr10 = $mbar - 1 + 0x056
set $icr11 = $mbar - 1 + 0x057

set $csar0 = $mbar - 1 + 0x080
set $csmr0 = $mbar - 1 + 0x084
set $cscr0 = $mbar - 1 + 0x08a

set $csar1 = $mbar - 1 + 0x08c
set $csmr1 = $mbar - 1 + 0x090
set $cscr1 = $mbar - 1 + 0x096

set $csar2 = $mbar - 1 + 0x098
set $csmr2 = $mbar - 1 + 0x09C
set $cscr2 = $mbar - 1 + 0x0A2

set $csar3 = $mbar - 1 + 0x0A4
set $csmr3 = $mbar - 1 + 0x0A8
set $cscr3 = $mbar - 1 + 0x0AE

set $csar4 = $mbar - 1 + 0x0B0
set $csmr4 = $mbar - 1 + 0x0B4
set $cscr4 = $mbar - 1 + 0x0BA

set $csar5 = $mbar - 1 + 0x0BC
set $csmr5 = $mbar - 1 + 0x0C0
set $cscr5 = $mbar - 1 + 0x0C6

set $csar6 = $mbar - 1 + 0x0C8
set $csmr6 = $mbar - 1 + 0x0CC
set $cscr6 = $mbar - 1 + 0x0D2

set $csar7 = $mbar - 1 + 0x0D4
set $csmr7 = $mbar - 1 + 0x0D8
set $cscr7 = $mbar - 1 + 0x0DE

set $dcr   = $mbar - 1 + 0x100
set $dacr0 = $mbar - 1 + 0x108
set $dmr0  = $mbar - 1 + 0x10c
set $dacr1 = $mbar - 1 + 0x110
set $dmr1  = $mbar - 1 + 0x114

set $tmr1  = $mbar - 1 + 0x140
set $trr1  = $mbar - 1 + 0x144
set $tcr1  = $mbar - 1 + 0x148
set $tcn1  = $mbar - 1 + 0x14C
set $ter1  = $mbar - 1 + 0x151
set $tmr2  = $mbar - 1 + 0x180
set $trr2  = $mbar - 1 + 0x184
set $tcr2  = $mbar - 1 + 0x188
set $tcn2  = $mbar - 1 + 0x18C
set $ter2  = $mbar - 1 + 0x191

set $paddr = $mbar - 1 + 0x244
set $padat = $mbar - 1 + 0x248
end

#
#  Setup RAMBAR for the internal SRAM.
#
define setup-sram
set $rambar  = 0x20000001
end


#
#  Setup DRAM.
#  This is the thing that is not working right now...
#
define setup-dram1
set *((unsigned long *) $acr0) = 0x0
set *((unsigned long *) $acr0) = 0x0
set *((unsigned long *) $cacr) = 0x0

set *((unsigned short *) $dcr) =  0x822A

set *((unsigned long *) $dacr0) = 0x001300
set *((unsigned long *) $dmr0) =  0xfC0001
set *((unsigned long *) $dacr0) = 0x001308
set *((unsigned long *) 0x000400 ) = 0xA5A59696
set *((unsigned long *) $dacr0) =  0x0009300

set *((unsigned long *) $dacr1) =  0x1001300
set *((unsigned long *) $dmr1) =   0xfC0001
set *((unsigned long *) $dacr1) =  0x1001308

set *((unsigned long *) 0x400400 ) = 0xA5A59696
set *((unsigned long *) $dacr1) =  0x1009300

end

#
#  Setup DRAM. part 2
#
define setup-dram2
set *((unsigned long *) $dacr0) = 0x009304
# set *((unsigned long *) $dacr0) = 0x009340
set *((unsigned long *) 0x000400 ) = 0xa5a59696
set *((unsigned long *) $dacr1) = 0x1009304
set *((unsigned long *) 0x400400 ) = 0xa5a59696
end

#
#  disable cache 
#
define disable-cache
set *((unsigned long *) $cacr) = 0x01000000
end


#
#
#	Setup Parallel I/O ports...
#
define setup-pp
set *((unsigned short *) $par) = 0x0
set *((unsigned short *) $paddr) = 0x0
set *((unsigned short *) $padat) = 0x0
end


#
#  Setup chip selects...
#
define setup-cs
# CS1 -- Nothing
set *((unsigned short *) $csar1) = 0x080
set *((unsigned long *) $csmr1)  = 0x800000
set *((unsigned short *) $cscr1) = 0x3000

# CS2 - SRAM - Not installed
# set *((unsigned short *) $csar2)  = 0xFE
set *((unsigned short *) $cscr2) = 0x100
set *((unsigned short *) $csmr2) = 0x70001

# CS3 - Ethernet device 
set *((unsigned short *) $csar3) = 0x4000
set *((unsigned short *) $cscr3) = 0x080
set *((unsigned short *) $csmr3) = 0xF0001

# CS4 
set *((unsigned short *) $csar4) = 0x0
set *((unsigned short *) $csmr4)  = 0x80
set *((unsigned short *) $cscr4) = 0x0

# CS5 
set *((unsigned short *) $csar5) = 0x0
set *((unsigned short *) $csmr5)  = 0x0
set *((unsigned short *) $cscr5) = 0x100

# CS6 
set *((unsigned short *) $csar6) = 0x0
set *((unsigned short *) $csmr6)  = 0x0
set *((unsigned short *) $cscr6) = 0x100

# CS7
set *((unsigned short *) $csar7) = 0x0
set *((unsigned short *) $csmr7)  = 0x0
set *((unsigned short *) $cscr7) = 0x100

# CS0 - 
set *((unsigned short *) $csar0)  = 0xffe0
set *((unsigned short *) $cscr0) = 0x1180
set *((unsigned short *) $csmr0) = 0xf0001
end

#
# call Loadapp to load the application
#
define loadapp
  load 
  set $pc  = start 
  select-frame 0
end

#
#	Init for 5307C3 ColdFire target...
#
target bdm /dev/bdmcf2

# bdm_setdebug 1
# bdm_reset 

addresses
disable-cache
setup-sram
setup-dram1
setup-cs
setup-dram2
setup-pp

echo \n
echo 1. Hit the Red Reset button.\n
echo 2. Type 'loadapp' to download the code\n
echo 3. Type 'c' to start it.\n
echo \n
echo Type "ctrl-c" to stop the code and debug\n

set print pretty
set print asm-demangle