2010-04-05 Thomas Znidar <t.znidar@embed-it.com>

	* ChangeLog, Makefile.am, README, bsp_specs, configure.ac, gdb-init,
	preinstall.am, clock/clock.c, console/console.c, console/debugio.c,
	include/bsp.h, include/tm27.h, make/custom/mcf5225x.cfg,
	start/start.S, startup/bspclean.c, startup/bspstart.c,
	startup/init5225x.c, startup/linkcmds, timer/timer.c: New files.

4 files changed, 362 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/m68k/mcf5225x/startup/bspclean.c b/c/src/lib/libbsp/m68k/mcf5225x/startup/bspclean.c
new file mode 100644
index 0000000000..1785c71dd3
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/mcf5225x/startup/bspclean.c
@@ -0,0 +1,32 @@
+/*
+ *  SBC5206 bsp_cleanup
+ *
+ *  This routine returns control from RTEMS to the monitor.
+ *
+ *  Author:
+ *    David Fiddes, D.J@fiddes.surfaid.org
+ *    http://www.calm.hw.ac.uk/davidf/coldfire/
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ * 
+ *  http://www.rtems.com/license/LICENSE.
+ * 
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <rtems/bspIo.h>
+
+void  __attribute__((weak)) bsp_cleanup(void)
+{
+  printk("\nRTEMS exited!\n");
+  for (;;) {
+    asm volatile (" nop ");
+    asm volatile (" nop ");
+  }
+}
diff --git a/c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c b/c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c
new file mode 100644
index 0000000000..d485e635de
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c
@@ -0,0 +1,69 @@
+/*
+ *  BSP startup
+ *
+ *  This routine starts the application.  It includes application,
+ *  board, and monitor specific initialization and configuration.
+ *  The generic CPU dependent initialization has been performed
+ *  before this routine is invoked.
+ *
+ *  Author:
+ *    David Fiddes, D.J@fiddes.surfaid.org
+ *    http://www.calm.hw.ac.uk/davidf/coldfire/
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *
+ *  http://www.rtems.com/license/LICENSE.
+ * 
+ *  $Id$
+ */
+
+#include <bsp.h>
+
+/*
+ * Cannot be frozen
+ */
+void _CPU_cache_freeze_data(void) {}
+void _CPU_cache_unfreeze_data(void) {}
+void _CPU_cache_freeze_instruction(void) {}
+void _CPU_cache_unfreeze_instruction(void) {}
+
+/*
+ * Write-through data cache -- flushes are unnecessary
+ */
+void _CPU_cache_flush_1_data_line(const void *d_addr) {}
+void _CPU_cache_flush_entire_data(void) {}
+
+void _CPU_cache_enable_instruction(void) {}
+void _CPU_cache_disable_instruction(void) {}
+void _CPU_cache_invalidate_entire_instruction(void) {}
+void _CPU_cache_invalidate_1_instruction_line(const void *addr) {}
+
+void _CPU_cache_enable_data(void) {}
+void _CPU_cache_disable_data(void) {}
+void _CPU_cache_invalidate_entire_data(void) {}
+void _CPU_cache_invalidate_1_data_line(const void *addr) {}
+
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialisation.
+ */
+void __attribute__((weak)) bsp_start(void)
+{
+}
+
+uint32_t  __attribute__((weak)) bsp_get_CPU_clock_speed(void)
+{
+  #define DEF_CLOCK_SPEED 8000000.0F //8.0 MHz
+  #define MCF_MFD0_2_MASK 0x7000U
+  #define MCF_RFD0_2_MASK 0x0700U
+  #define MCF_MFD0_2_OFFSET 4U
+
+  #define SPEED_BIAS  ((((MCF_CLOCK_SYNCR & MCF_MFD0_2_MASK) >> 11) + MCF_MFD0_2_OFFSET) / (float)(((MCF_CLOCK_SYNCR & MCF_RFD0_2_MASK)>>7) ? : 1.0F))
+
+  return MCF_CLOCK_SYNCR & MCF_CLOCK_SYNCR_PLLEN ? SPEED_BIAS * DEF_CLOCK_SPEED : DEF_CLOCK_SPEED;
+}
diff --git a/c/src/lib/libbsp/m68k/mcf5225x/startup/init5225x.c b/c/src/lib/libbsp/m68k/mcf5225x/startup/init5225x.c
new file mode 100644
index 0000000000..6b6d201d1c
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/mcf5225x/startup/init5225x.c
@@ -0,0 +1,87 @@
+/*
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  This is where the real hardware setup is done. A minimal stack
+ *  has been provided by the start.S code. No normal C or RTEMS
+ *  functions can be called from here.
+ *
+ *  $Id$
+ */
+
+#include <stdint.h>
+
+extern void _wr_vbr(uint32_t);
+extern int boot_card(int, char **, char **);
+
+extern long _d0_reset,_d1_reset,_M68kSpuriousInterruptCount;
+
+/*
+ * From linkcmds
+ */
+
+extern uint8_t _VBR[];
+extern uint8_t _INTERRUPT_VECTOR[];
+
+extern uint8_t _clear_start[];
+extern uint8_t _clear_end[];
+
+extern uint8_t _data_src_start[];
+extern uint8_t _data_dest_start[];
+extern uint8_t _data_dest_end[];
+
+void Init5225x(void)
+{
+  register uint32_t i;
+  register uint32_t *dp, *sp;
+  register uint8_t *dbp, *sbp;
+
+  /* 
+   * Copy the vector table to RAM 
+   */
+
+  if (_VBR != _INTERRUPT_VECTOR) {
+    sp = (uint32_t *) _INTERRUPT_VECTOR;
+    dp = (uint32_t *) _VBR;
+    for (i = 0; i < 256; i++) {
+      *dp++ = *sp++;
+    }
+  }
+
+  /* 
+   * Move initialized data from ROM to RAM. 
+   */
+  if (_data_src_start != _data_dest_start) {
+    dbp = (uint8_t *) _data_dest_start;
+    sbp = (uint8_t *) _data_src_start;
+    i = _data_dest_end - _data_dest_start;
+    while (i--)
+      *dbp++ = *sbp++;
+  }
+
+	asm __volatile__ ("move.l %%d5,%0\n\t":"=r" (_d0_reset));
+	asm __volatile__ ("move.l %%d6,%0\n\t":"=r" (_d1_reset));
+  
+  /* 
+   * Zero uninitialized data 
+   */
+
+  if (_clear_start != _clear_end) {
+    sbp = _clear_start;
+    dbp = _clear_end;
+    i = dbp - sbp;
+    while (i--)
+      *sbp++ = 0;
+  }
+
+//_wr_vbr((uint32_t) _VBR);
+	asm volatile("move.l %0,%%d7;movec %%d7,%%vbr\n\t"::"i"(_VBR): "cc");
+
+  /*
+   * We have to call some kind of RTEMS function here!
+   */
+
+  boot_card(0, 0, 0);
+  for (;;) ;
+}
diff --git a/c/src/lib/libbsp/m68k/mcf5225x/startup/linkcmds b/c/src/lib/libbsp/m68k/mcf5225x/startup/linkcmds
new file mode 100644
index 0000000000..fd0c741679
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/mcf5225x/startup/linkcmds
@@ -0,0 +1,174 @@
+/*
+ *  This file contains directives for the GNU linker which are specific
+ *  to the Freescale ColdFire mcf52258
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.e
+ *
+ *  $Id$
+ */
+
+/*
+ * Declare some sizes.
+ */
+RamBase = DEFINED(RamBase) ? RamBase : 0x20000000;
+RamSize = DEFINED(RamSize) ? RamSize : 64K;
+HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
+_StackSize = DEFINED(_StackSize) ? _StackSize : 0x400;
+_FlashBase = DEFINED(_FlashBase) ? _FlashBase : 0x00000000;
+
+_VBR = 0x20000000;
+
+ENTRY(start)
+
+MEMORY
+{
+    sram : ORIGIN = 0x20000000, LENGTH = 64K
+    flash : ORIGIN = 0x00000000, LENGTH = 512K
+}
+
+SECTIONS
+{
+    /*
+    * Text, data and bss segments
+    */
+    .text : {
+
+        *(.text*)
+        *(.ram_code)
+
+        /*
+        * C++ constructors/destructors
+        */
+        *(.gnu.linkonce.t.*)
+
+        /*
+        * Initialization and finalization code.
+        *
+        * Various files can provide initialization and finalization
+        * functions.  crtbegin.o and crtend.o are two instances. The
+        * body of these functions are in .init and .fini sections. We
+        * accumulate the bodies here, and prepend function prologues
+        * from crti.o and function epilogues from crtn.o. crti.o must
+        * be linked first; crtn.o must be linked last.  Because these
+        * are wildcards, it doesn't matter if the user does not
+        * actually link against crti.o and crtn.o; the linker won't
+        * look for a file to match a wildcard.  The wildcard also
+        * means that it doesn't matter which directory crti.o and
+        * crtn.o are in. 
+        */
+        PROVIDE (_init = .);
+        *crti.o(.init)
+        *(.init)
+        *crtn.o(.init)
+        PROVIDE (_fini = .);
+        *crti.o(.fini)
+        *(.fini)
+        *crtn.o(.fini)
+
+        /*
+            * Special FreeBSD sysctl sections.
+            */
+        . = ALIGN (16);
+        __start_set_sysctl_set = .;
+        *(set_sysctl_*);
+        __stop_set_sysctl_set = ABSOLUTE(.);
+        *(set_domain_*);
+        *(set_pseudo_*);
+
+        /*
+        * C++ constructors/destructors
+        *
+        * gcc uses crtbegin.o to find the start of the constructors
+        * and destructors so we make sure it is first.  Because this
+        * is a wildcard, it doesn't matter if the user does not
+        * actually link against crtbegin.o; the linker won't look for
+        * a file to match a wildcard.  The wildcard also means that
+        * it doesn't matter which directory crtbegin.o is in. The
+        * constructor and destructor list are terminated in
+        * crtend.o.  The same comments apply to it.
+        */
+        . = ALIGN (16);
+        *crtbegin.o(.ctors)
+        *(.ctors)
+        *crtend.o(.ctors)
+        *crtbegin.o(.dtors)
+        *(.dtors)
+        *crtend.o(.dtors)
+
+        /*
+        * Exception frame info
+        */
+        . = ALIGN (16);
+        *(.eh_frame)
+
+        /*
+        * Read-only data
+        */
+        . = ALIGN (16);
+        _rodata_start = . ;
+        *(.rodata*)
+        *(.gnu.linkonce.r*)
+
+        . = ALIGN (16);
+
+        *(.console_gdb_xfer)
+        *(.bootstrap_data)
+        . = ALIGN(16);
+        _estuff = .;
+        PROVIDE (_etext = .);
+    } >flash
+
+    .data 0x20000400 : AT (_estuff)
+    {
+        PROVIDE( _data_dest_start = . );
+        PROVIDE( _copy_start = .);
+        *(.data)
+        *(.gnu.linkonce.d*)
+        *(.gcc_except_table*)
+        *(.jcr)
+        . = ALIGN (16);
+        PROVIDE (_edata = .);
+        PROVIDE (_copy_end = .);
+        PROVIDE (_data_dest_end = . );
+    } >sram
+
+    _data_src_start = _estuff;
+    _data_src_end = _data_dest_start + SIZEOF(.data);
+
+    .bss : 
+    {
+        PROVIDE (_clear_start = .);
+        *(.bss*)
+        *(COMMON)
+        . = ALIGN (16);
+        PROVIDE (_end = .);
+        PROVIDE (_clear_end = .);
+    } >sram
+
+    .stack : 
+    {
+        /*
+         * Starting Stack
+         */ 
+        . += _StackSize;
+        . = ALIGN (16);
+        PROVIDE(_StackInit = .);
+        PROVIDE(WorkAreaBase = .);
+    } >sram
+
+    /* Stabs debugging sections.  */
+    .stab 0 : { *(.stab) }
+    .stabstr 0 : { *(.stabstr) }
+    .stab.excl 0 : { *(.stab.excl) }
+    .stab.exclstr 0 : { *(.stab.exclstr) }
+    .stab.index 0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment 0 : { *(.comment) }
+
+    PROVIDE (end_of_all = .);
+}