Patch by Florian Schlote, 08 Sep 2004:

Add support for SenTec-COBRA5272-board (Coldfire).

4 files changed, 175 insertions, 0 deletions

diff --git a/board/cobra5272/bdm/cobra5272_uboot.gdb b/board/cobra5272/bdm/cobra5272_uboot.gdb
new file mode 100644
index 0000000..61e778e
--- /dev/null
+++ b/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
diff --git a/board/cobra5272/bdm/gdbinit.reset b/board/cobra5272/bdm/gdbinit.reset
new file mode 100644
index 0000000..5f1e482
--- /dev/null
+++ b/board/cobra5272/bdm/gdbinit.reset
@@ -0,0 +1,2 @@
+target bdm /dev/bdmcf0
+q
diff --git a/board/cobra5272/bdm/load-cobra_uboot b/board/cobra5272/bdm/load-cobra_uboot
new file mode 100644
index 0000000..933c7e7
--- /dev/null
+++ b/board/cobra5272/bdm/load-cobra_uboot
@@ -0,0 +1,2 @@
+m68k-bdm-elf-gdb -n -x board/cobra5272/bdm/cobra5272_uboot.gdb u-boot
+
diff --git a/board/cobra5272/bdm/reset b/board/cobra5272/bdm/reset
new file mode 100644
index 0000000..8bef00b
--- /dev/null
+++ b/board/cobra5272/bdm/reset
@@ -0,0 +1,2 @@
+m68k-bdm-elf-gdb -n -x bdm/gdbinit.reset
+