2005-02-24 Jay Monkman <jtm@lopingdog.com>

	* acinclude.m4: Added csb350 to list of BSPs.
	* csb350/Makefile.am, csb350/README, csb350/bsp_specs,
	csb350/configure.ac, csb350/times, csb350/clock/clockdrv.c,
	csb350/console/console-io.c, csb350/include/bsp.h,
	csb350/include/tm27.h, csb350/network/network.c, csb350/start/regs.S,
	csb350/start/start.S, csb350/startup/bspclean.c,
	csb350/startup/bspstart.c, csb350/startup/linkcmds,
	csb350/timer/timer.c: New BSP.

3 files changed, 370 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/mips/csb350/startup/bspclean.c b/c/src/lib/libbsp/mips/csb350/startup/bspclean.c
new file mode 100644
index 0000000000..783c60f92c
--- /dev/null
+++ b/c/src/lib/libbsp/mips/csb350/startup/bspclean.c
@@ -0,0 +1,30 @@
+/*
+ *  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.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+#include <rtems.h>
+#include <libcpu/au1x00.h>
+
+void bsp_cleanup( void )
+{
+    void (*reset_func)(void);
+  
+    reset_func = (void *)0xbfc00000;
+
+    mips_set_sr( 0x00200000 ); /* all interrupts off, boot exception vectors */
+
+    printk("\nEXECUTIVE SHUTDOWN! Any key to reboot...");
+    while (console_inbyte_nonblocking(0) < 0) {
+        continue;
+    }
+
+    /* Try to restart bootloader */
+    reset_func();
+
+}
diff --git a/c/src/lib/libbsp/mips/csb350/startup/bspstart.c b/c/src/lib/libbsp/mips/csb350/startup/bspstart.c
new file mode 100644
index 0000000000..d17cf943b0
--- /dev/null
+++ b/c/src/lib/libbsp/mips/csb350/startup/bspstart.c
@@ -0,0 +1,128 @@
+/*
+ *  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.
+ *
+ *  COPYRIGHT (c) 1989-2000.
+ *  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.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <string.h>
+
+#include <bsp.h>
+#include <libcpu/au1x00.h>
+#include <rtems/libio.h>
+#include <rtems/libcsupport.h>
+
+/*
+ *  The original table from the application and our copy of it with
+ *  some changes.
+ */
+
+extern void            *_sdram_size;
+extern void            *_sdram_base;
+extern void            *_bss_free_start;
+
+unsigned long           free_mem_start;
+unsigned long           free_mem_end;
+
+extern rtems_configuration_table Configuration;
+
+rtems_configuration_table  BSP_Configuration;
+
+rtems_cpu_table Cpu_table;
+
+char *rtems_progname;
+
+au1x00_uart_t *uart0 = (au1x00_uart_t *)AU1X00_UART0_ADDR;
+au1x00_uart_t *uart3 = (au1x00_uart_t *)AU1X00_UART3_ADDR;
+
+/*
+ *  Use the shared implementations of the following routines
+ */
+ 
+void bsp_postdriver_hook(void);
+void bsp_libc_init( void *, unsigned32, int );
+
+/*
+ *  Function:   bsp_pretasking_hook
+ *  Created:    95/03/10
+ *
+ *  Description:
+ *      BSP pretasking hook.  Called just before drivers are initialized.
+ *      Used to setup libc and install any BSP extensions.
+ *
+ *  NOTES:
+ *      Must not use libc (to do io) from here, since drivers are
+ *      not yet initialized.
+ *
+ */
+ 
+void bsp_pretasking_hook(void)
+{
+    unsigned32 heap_start;
+    unsigned32 heap_size;
+
+    /* 
+     * Set up the heap. 
+     */
+    heap_start =  free_mem_start;
+    heap_size = free_mem_end - free_mem_start;
+
+	/* call rtems lib init - malloc stuff */
+    bsp_libc_init((void *)heap_start, heap_size, 0);
+
+#ifdef RTEMS_DEBUG
+    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
+#endif
+
+}
+ 
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialization.
+ */
+
+void bsp_start( void )
+{
+  extern void mips_install_isr_entries(void);
+  unsigned int compare = 0; 
+  /* Configure Number of Register Caches */
+
+  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
+  Cpu_table.postdriver_hook = bsp_postdriver_hook;
+  Cpu_table.interrupt_stack_size = 8192;
+
+  /* Place RTEMS workspace at beginning of free memory. */
+  BSP_Configuration.work_space_start = (void *)&_bss_free_start;
+  
+  free_mem_start = ((unsigned32)&_bss_free_start + 
+                    BSP_Configuration.work_space_size);
+  
+  free_mem_end = ((unsigned32)&_sdram_base + (unsigned32)&_sdram_size);
+  
+  mips_set_sr( 0x7f00 );  /* all interrupts unmasked but globally off */
+                          /* depend on the IRC to take care of things */
+  asm volatile ("mtc0 %0, $11\n" :: "r" (compare));
+  mips_install_isr_entries();
+}
+
+
+/* These replace the ones in newlib. I'm not sure why the newlib ones
+ * don't work.
+ */
+void _init(void)
+{
+}
+
+void _fini(void)
+{
+}
diff --git a/c/src/lib/libbsp/mips/csb350/startup/linkcmds b/c/src/lib/libbsp/mips/csb350/startup/linkcmds
new file mode 100644
index 0000000000..4d598a2684
--- /dev/null
+++ b/c/src/lib/libbsp/mips/csb350/startup/linkcmds
@@ -0,0 +1,212 @@
+/*
+ *  Linker script for CSB350 AU1100 based board
+ *
+ *  $Id$
+ */
+
+/*    . = 0x80020000; */
+
+/*
+ * Declare some sizes.
+ */
+
+_StackSize = DEFINED(_StackSize) ? _StackSize : 0x4000;
+
+_sdram_base = DEFINED(_sdram_base) ? _sdram_base : 0x80400000;
+_sdram_size = DEFINED(_sdram_size) ? _sdram_size : 12M;
+
+
+MEMORY
+{
+   ram      : ORIGIN = 0x80400000, LENGTH = 4M
+}
+
+SECTIONS
+{ 
+    .text : 
+    { 
+       _ftext = . ;
+
+      */start.o(.text)
+
+      *(.text)
+      *(.text.*)
+      *(.gnu.linkonce.t*)
+      *(.mips16.fn.*)
+      *(.mips16.call.*)
+      PROVIDE (__runtime_reloc_start = .);
+      *(.rel.sdata)
+      *(.rel.dyn)
+      PROVIDE (__runtime_reloc_stop = .);
+
+      /*
+       * Special FreeBSD sysctl sections.
+       */
+      . = ALIGN (16);
+      __start_set_sysctl_set = .;
+      *(set_sysctl_*);
+      __stop_set_sysctl_set = ABSOLUTE(.);
+      *(set_domain_*);
+      *(set_pseudo_*);
+
+      *(.gcc_except_table)
+      *(.eh_frame_hdr)
+      *(.eh_frame)
+    } >ram  
+
+  .init :
+  {
+     KEEP(*(.init))
+
+  } > ram
+
+  .fini :
+  {
+     KEEP(*(.fini))
+
+  }  >ram 
+
+
+  .ctors    : 
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, 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.  */
+
+    KEEP (*crtbegin.o(.ctors))
+
+    /* We don't want to include the .ctor section from
+       from the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  } >ram  
+
+  .dtors    : 
+  {
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+
+    etext  =  .;
+    _etext  =  .;
+  } >ram  
+
+
+
+  .rdata : 
+  {
+    *(.rdata)
+    *(.rodata)
+    *(.rodata.*)
+    *(.gnu.linkonce.r*)
+  } >ram  
+
+  .data : 
+  {
+    _fdata = ALIGN(16);
+
+    *(.data)
+    *(.data.*)
+    *(.gnu.linkonce.d*)
+  } >ram  
+
+  .jcr : 
+  {
+    . = ALIGN(8);
+    KEEP (*(.jcr))
+
+    _gp = ALIGN(16) + 0x7440;
+    __global = _gp;
+  } >ram
+
+  .lit8 : 
+  {
+    *(.lit8)
+  } >ram  
+
+  .lit4 : 
+  {
+    *(.lit4)
+  } >ram   
+
+  .sdata :   
+  {
+    *(.sdata)
+    *(.sdata.*)
+    *(.gnu.linkonce.s*)
+  } >ram  
+
+  .sbss : 
+  {
+   edata  =  .;
+   _edata  =  .;
+   _fbss = .;
+    *(.sbss)
+    *(.scommon)
+  } >ram   
+
+
+  .bss : 
+  {
+    _bss_start = . ;
+    *(.bss)
+    *(.reginfo)
+    *(COMMON)
+    . = ALIGN (64);
+    _stack_limit = .;
+    . += _StackSize;
+    __stack = .;
+    _stack_init = .;
+    _clear_end = .;
+    end = .;
+    _end = .;
+    . = ALIGN (1024);
+    _bss_free_start = .;
+    
+  } >ram   
+
+
+/* 
+** DWARF debug sections.
+** Symbols in the DWARF debugging sections are relative to
+** the beginning of the section so we begin them at 0.  
+*/
+
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) } 
+  .line           0 : { *(.line) } 
+
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) } 
+  .debug_sfnames  0 : { *(.debug_sfnames) } 
+
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) } 
+  .debug_pubnames 0 : { *(.debug_pubnames) } 
+
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }    
+  .debug_abbrev   0 : { *(.debug_abbrev) }  
+  .debug_line     0 : { *(.debug_line) }    
+  .debug_frame    0 : { *(.debug_frame)}    
+  .debug_str      0 : { *(.debug_str) }     
+  .debug_loc      0 : { *(.debug_loc) }     
+  .debug_macinfo  0 : { *(.debug_macinfo) } 
+
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) } 
+  .debug_funcnames 0 : { *(.debug_funcnames) } 
+  .debug_typenames 0 : { *(.debug_typenames) } 
+  .debug_varnames  0 : { *(.debug_varnames) }  
+}