diff options
Diffstat (limited to 'roms/u-boot/board/cobra5272/bdm/cobra5272_uboot.gdb')
-rw-r--r-- | roms/u-boot/board/cobra5272/bdm/cobra5272_uboot.gdb | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/roms/u-boot/board/cobra5272/bdm/cobra5272_uboot.gdb b/roms/u-boot/board/cobra5272/bdm/cobra5272_uboot.gdb new file mode 100644 index 00000000..61e778ea --- /dev/null +++ b/roms/u-boot/board/cobra5272/bdm/cobra5272_uboot.gdb @@ -0,0 +1,169 @@ +# +# 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 |