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set $IPSBAR = 0x40000000
set $DCR = $IPSBAR + 0x000040
set $DACR0 = $IPSBAR + 0x000048
set $DMR0 = $IPSBAR + 0x00004C
set $CSAR0 = $IPSBAR + 0x000080
set $CSMR0 = $IPSBAR + 0x000084
set $CSCR0 = $IPSBAR + 0x00008A
set $PAR_SDRAM = $IPSBAR + 0x100046
set $PAR_AD = $IPSBAR + 0x100040
set $WCR = $IPSBAR + 0x140000
define delay
set $delay = 0
while ($delay < 20000)
set $delay += 1
end
end
define delay_memsync
set $delay = 0
while ($delay < 10000)
set $delay += 1
end
end
define setup-cs
# 2MB FLASH on CS0 at 0x80000000
set *(unsigned short *)$CSAR0 = 0x00008000
set *(unsigned long *)$CSMR0 = 0x001F0101
set *(unsigned short *)$CSCR0 = 0x00001980
end
define setup-sdram
# Set PAR_SDRAM to allow SDRAM signals to be enable
set *(unsigned char *)$PAR_SDRAM = 0x3F
# Set PAR_AD to allow 32-bit SDRAM if the external boot device is 16-bit
set *(unsigned char *)$PAR_AD = 0xE1
# SDRAM
set *(unsigned short *)$DCR = 0x0446
set *(unsigned long *)$DACR0 = 0x00001300
set *(unsigned long *)$DMR0 = 0x00FC0001
# Set IP in DACR and init precharge.
set *(unsigned long *)$DACR0 |= 0x00000008
set *(0x00000000) = 0xAA55AA55
delay
# Set RE in DACR
set *(unsigned long *)$DACR0 |= 0x00008000
# Issue IMRS
set *(unsigned long *)$DACR0 |= 0x00000040
set *(0x00000400) = 0xAA55AA55
delay
end
define setup-other
# Turn Off WCR
set *(unsigned char *)$WCR = 0x00
end
define setup-and-load
bdm-reset
# Set VBR to the vector table.
set $vbr = 0x00000000
# Set internal SRAM to start at 0x20000000
set $rambar = 0x20000001
setup-other
setup-cs
setup-sdram
end
define debug-sramtest
set $srambase = 0x20000000
set $sramsize = 0x00010000
set $j = 0
printf "Testing SRAM : 0x%08X - 0x%08X\n", $srambase, ($srambase + $sramsize)
set $i = $srambase
while $i < ($srambase + $sramsize)
set *(unsigned long *)($i) = 0xAA55AA55
delay_memsync
if 0xAA55AA55 != *(unsigned long *)$i
printf " 0x%08X = FAIL\n", $i
else
printf " 0x%08X = OK", $i
if $j % 4 == 3
printf "\n"
end
set $j = $j + 1
end
set $i = $i + 0x400
end
en
define debug-ramtest
set $sdrambase = 0x00000000
set $sdramsize = 0x01000000
set $j = 0
printf "Testing SDRAM : 0x%08X - 0x%08X\n", $sdrambase, ($sdrambase + $sdramsize)
set $i = $sdrambase
while $i < ($sdrambase + $sdramsize)
set *(unsigned long *)($i) = 0xAA55AA55
delay_memsync
if 0xAA55AA55 != *(unsigned long *)$i
printf " 0x%08X = FAIL\n", $i
else
printf " 0x%08X = OK", $i
if $j % 4 == 3
printf "\n"
end
set $j = $j + 1
end
set $i = $i + 0x10000
end
printf "\n"
end
define execute
set $pc = *(long *)0x00000004
tbreak main
tk gdbtk_update
end
define debug-printexception
printf "vector: %d", *(unsigned short *)$sp >> 2 &0x1F
printf "old pc: 0x%08x", *(unsigned long *)($sp + 4)
printf "old sr: 0x%02x", *(unsigned short *)($sp + 2)
end
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