mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 17:10:11 +00:00
169 lines
3.6 KiB
Text
169 lines
3.6 KiB
Text
#
|
|
# GDB Init script for the Coldfire 5272 processor.
|
|
#
|
|
# The main purpose of this script is to configure the
|
|
# DRAM controller so code can be loaded.
|
|
#
|
|
# This file was changed to suite the senTec COBRA5272 board.
|
|
#
|
|
|
|
define addresses
|
|
|
|
set $mbar = 0x10000001
|
|
set $scr = $mbar - 1 + 0x004
|
|
set $spr = $mbar - 1 + 0x006
|
|
set $pmr = $mbar - 1 + 0x008
|
|
set $apmr = $mbar - 1 + 0x00e
|
|
set $dir = $mbar - 1 + 0x010
|
|
set $icr1 = $mbar - 1 + 0x020
|
|
set $icr2 = $mbar - 1 + 0x024
|
|
set $icr3 = $mbar - 1 + 0x028
|
|
set $icr4 = $mbar - 1 + 0x02c
|
|
set $isr = $mbar - 1 + 0x030
|
|
set $pitr = $mbar - 1 + 0x034
|
|
set $piwr = $mbar - 1 + 0x038
|
|
set $pivr = $mbar - 1 + 0x03f
|
|
set $csbr0 = $mbar - 1 + 0x040
|
|
set $csor0 = $mbar - 1 + 0x044
|
|
set $csbr1 = $mbar - 1 + 0x048
|
|
set $csor1 = $mbar - 1 + 0x04c
|
|
set $csbr2 = $mbar - 1 + 0x050
|
|
set $csor2 = $mbar - 1 + 0x054
|
|
set $csbr3 = $mbar - 1 + 0x058
|
|
set $csor3 = $mbar - 1 + 0x05c
|
|
set $csbr4 = $mbar - 1 + 0x060
|
|
set $csor4 = $mbar - 1 + 0x064
|
|
set $csbr5 = $mbar - 1 + 0x068
|
|
set $csor5 = $mbar - 1 + 0x06c
|
|
set $csbr6 = $mbar - 1 + 0x070
|
|
set $csor6 = $mbar - 1 + 0x074
|
|
set $csbr7 = $mbar - 1 + 0x078
|
|
set $csor7 = $mbar - 1 + 0x07c
|
|
set $pacnt = $mbar - 1 + 0x080
|
|
set $paddr = $mbar - 1 + 0x084
|
|
set $padat = $mbar - 1 + 0x086
|
|
set $pbcnt = $mbar - 1 + 0x088
|
|
set $pbddr = $mbar - 1 + 0x08c
|
|
set $pbdat = $mbar - 1 + 0x08e
|
|
set $pcddr = $mbar - 1 + 0x094
|
|
set $pcdat = $mbar - 1 + 0x096
|
|
set $pdcnt = $mbar - 1 + 0x098
|
|
set $sdcr = $mbar - 1 + 0x180
|
|
set $sdtr = $mbar - 1 + 0x184
|
|
set $wrrr = $mbar - 1 + 0x280
|
|
set $wirr = $mbar - 1 + 0x283
|
|
set $wcr = $mbar - 1 + 0x288
|
|
set $wer = $mbar - 1 + 0x28c
|
|
|
|
end
|
|
|
|
|
|
#
|
|
# Setup system configuration
|
|
#
|
|
define setup-sys
|
|
set *((unsigned short *) $scr) = 0x0003
|
|
set *((unsigned short *) $spr) = 0xffff
|
|
set *((unsigned char *) $pivr) = 0x4f
|
|
end
|
|
|
|
|
|
#
|
|
# Setup Chip Selects (as per Motorola M5272C3 board)
|
|
#
|
|
define setup-cs
|
|
|
|
# CS0 -- FLASH
|
|
set *((unsigned long *) $csbr0) = 0xffe00201
|
|
set *((unsigned long *) $csor0) = 0xffe00014
|
|
|
|
# CS1 -- external bus test
|
|
set *((unsigned long *) $csbr1) = 0x0
|
|
set *((unsigned long *) $csor1) = 0x0
|
|
|
|
# CS2 -- Optional FSRAM
|
|
set *((unsigned long *) $csbr2) = 0x30000001
|
|
set *((unsigned long *) $csor2) = 0xfff80000
|
|
|
|
# CS3 -- not used
|
|
set *((unsigned long *) $csbr3) = 0x0
|
|
set *((unsigned long *) $csor3) = 0x0
|
|
|
|
# CS4 -- not used
|
|
set *((unsigned long *) $csbr4) = 0x0
|
|
set *((unsigned long *) $csor4) = 0x0
|
|
|
|
# CS5 -- PLI socket0
|
|
set *((unsigned long *) $csbr5) = 0x0
|
|
set *((unsigned long *) $csor5) = 0x0
|
|
|
|
# CS6 -- PLI socket1
|
|
set *((unsigned long *) $csbr6) = 0x0
|
|
set *((unsigned long *) $csor6) = 0x0
|
|
|
|
# CS7 -- SDRAM
|
|
set *((unsigned long *) $csbr7) = 0x00000701
|
|
set *((unsigned long *) $csor7) = 0xff00007c
|
|
|
|
end
|
|
|
|
|
|
#
|
|
# Setup the DRAM controller.
|
|
#
|
|
|
|
define setup-dram
|
|
set *((unsigned long *) $sdtr) = 0x0000f539
|
|
set *((unsigned long *) $sdcr) = 0x00004211
|
|
|
|
# Dummy write to start SDRAM
|
|
set *((unsigned long *) 0) = 0
|
|
end
|
|
|
|
|
|
#
|
|
# Setup for GPIO pins
|
|
#
|
|
define setup-ppio
|
|
|
|
# PORT A -- the LED's
|
|
set *((unsigned long *) $pacnt) = 0x00000000
|
|
# lower 8 bits for output:
|
|
set *((unsigned short *) $paddr) = 0xff
|
|
# LED's off:
|
|
set *((unsigned short *) $padat) = 0xff
|
|
|
|
# PORT B
|
|
set *((unsigned long *) $pbcnt) = 0x55554155
|
|
set *((unsigned short *) $pbddr) = 0x0000
|
|
set *((unsigned short *) $pbdat) = 0x17ea
|
|
|
|
# PORT C
|
|
#set *((unsigned short *) $pcddr) = 0x0000
|
|
#set *((unsigned short *) $pcdat) = 0x1898
|
|
|
|
# PORT D
|
|
set *((unsigned long *) $pdcnt) = 0x00000000
|
|
|
|
end
|
|
|
|
|
|
#
|
|
# Added for uClinux-coldfire target...
|
|
#
|
|
target bdm /dev/bdm
|
|
|
|
addresses
|
|
setup-sys
|
|
setup-cs
|
|
setup-dram
|
|
setup-ppio
|
|
set print pretty
|
|
set print asm-demangle
|
|
display/i $pc
|
|
|
|
|
|
#
|
|
load u-boot
|
|
set $pc=0x20000
|
|
c
|