bsps: Move startup files to bsps

Adjust build support files to new directory layout.

This patch is a part of the BSP source reorganization.

Update #3285.

5 files changed, 596 insertions, 0 deletions

diff --git a/bsps/powerpc/ss555/start/bsp_specs b/bsps/powerpc/ss555/start/bsp_specs
new file mode 100644
index 0000000000..2625609327
--- /dev/null
+++ b/bsps/powerpc/ss555/start/bsp_specs
@@ -0,0 +1,9 @@
+%rename endfile old_endfile
+%rename startfile old_startfile
+
+*startfile:
+%{!qrtems: %(old_startfile)} \
+%{!nostdlib: %{qrtems: ecrti%O%s rtems_crti%O%s crtbegin.o%s}}
+
+*endfile:
+%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s ecrtn.o%s}
diff --git a/bsps/powerpc/ss555/start/bspstart.c b/bsps/powerpc/ss555/start/bspstart.c
new file mode 100644
index 0000000000..f47ca7d5be
--- /dev/null
+++ b/bsps/powerpc/ss555/start/bspstart.c
@@ -0,0 +1,97 @@
+/*
+ *  This routine does the bulk of the system initialization.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2007.
+ *  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.org/license/LICENSE.
+ *
+ *  SS555 port sponsored by Defence Research and Development Canada - Suffield
+ *  Copyright (C) 2004, Real-Time Systems Inc. (querbach@realtime.bc.ca)
+ *
+ *  Derived from c/src/lib/libbsp/powerpc/mbx8xx/startup/bspstart.c:
+ *
+ *  Modifications for MBX860:
+ *  Copyright (c) 1999, National Research Council of Canada
+ */
+
+#include <rtems/bspIo.h>
+#include <rtems/counter.h>
+#include <bsp/bootcard.h>
+#include <rtems/powerpc/powerpc.h>
+
+#include <libcpu/cpuIdent.h>
+#include <libcpu/spr.h>
+
+#include <bsp/irq.h>
+#include <bsp.h>
+
+SPR_RW(SPRG1)
+
+extern unsigned long intrStackPtr;
+
+/*
+ *  Driver configuration parameters
+ */
+uint32_t   bsp_clicks_per_usec;
+uint32_t   bsp_clock_speed;	       /* Serial clocks per second */
+
+/*
+ *  bsp_start()
+ *
+ *  Board-specific initialization code. Called from the generic boot_card()
+ *  function defined in rtems/c/src/lib/libbsp/shared/main.c. That function
+ *  does some of the board independent initialization. It is called from the
+ *  SS555 entry point _start() defined in
+ *  rtems/c/src/lib/libbsp/powerpc/ss555/start/start.S
+ *
+ *  _start() has set up a stack, has zeroed the .bss section, has set up the
+ *  .data section from contents stored in ROM, has turned off interrupts,
+ *  and placed the processor in the supervisor mode.  boot_card() has left
+ *  the processor in that state when bsp_start() was called.
+ *
+ *  Input parameters: NONE
+ *
+ *  Output parameters: NONE
+ *
+ *  Return values: NONE
+ */
+void bsp_start(void)
+{
+  register unsigned char* intrStack;
+
+  /*
+   * Get CPU identification dynamically.  Note that the get_ppc_cpu_type()
+   * function stores the result in global variables so that it can be used
+   * later.
+   */
+  get_ppc_cpu_type();
+  get_ppc_cpu_revision();
+
+  /*
+   * Initialize some SPRG registers related to irq handling
+   */
+  intrStack = (((unsigned char*)&intrStackPtr) - PPC_MINIMUM_STACK_FRAME_SIZE);
+  _write_SPRG1((unsigned int)intrStack);
+
+  /*
+   * Install our own set of exception vectors
+   */
+  initialize_exceptions();
+
+  /*
+   *  initialize the device driver parameters
+   */
+  bsp_clicks_per_usec = BSP_CRYSTAL_HZ / 4 / 1000000;
+  bsp_clock_speed     = BSP_CLOCK_HZ;	/* for SCI baud rate generator */
+  rtems_counter_initialize_converter(BSP_CRYSTAL_HZ / 4);
+
+  /*
+   * Initalize RTEMS IRQ system
+   */
+  BSP_rtems_irq_mng_init(0);
+}
diff --git a/bsps/powerpc/ss555/start/iss555.c b/bsps/powerpc/ss555/start/iss555.c
new file mode 100644
index 0000000000..034ae74b1d
--- /dev/null
+++ b/bsps/powerpc/ss555/start/iss555.c
@@ -0,0 +1,148 @@
+/*
+ *  Intec SS555 initialization routines.
+ */
+
+/*
+ *  SS555 port sponsored by Defence Research and Development Canada - Suffield
+ *  Copyright (C) 2004, Real-Time Systems Inc. (querbach@realtime.bc.ca)
+ *
+ *  Derived from c/src/lib/libbsp/powerpc/mbx8xx/startup/imbx8xx.c:
+ *
+ *  Copyright (c) 1999, National Research Council of Canada
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+
+SPR_RW(ICTRL);
+SPR_RW(PPC_DEC);
+SPR_RW(TBWU);
+SPR_RW(TBWL);
+SPR_RO(IMMR);
+SPR_RW(MI_GRA);
+SPR_RW(L2U_GRA);
+SPR_RW(BBCMCR);
+
+extern char int_ram_top[];		/* top of internal ram */
+
+/*
+ *  Initialize SS555
+ */
+void _InitSS555 (void)
+{
+  register uint32_t plprcr, msr;
+
+  /*
+   * Initialize the System Protection Control Register (SYPCR).
+   * The SYPCR can only be written once after Reset.
+   */
+  usiu.sypcr =
+      USIU_SYPCR_SWTC(WATCHDOG_TIMEOUT)	/* set watchdog timeout */
+    | USIU_SYPCR_BMT(0xFF) 		/* set bus monitor timeout */
+    | USIU_SYPCR_BME 			/* enable bus monitor */
+    | USIU_SYPCR_SWF			/* watchdog halted in freeze */
+#if WATCHDOG_TIMEOUT != 0xFFFF
+    | USIU_SYPCR_SWE			/* enable watchdog */
+#endif
+    | USIU_SYPCR_SWRI			/* watchdog forces reset */
+    | USIU_SYPCR_SWP;			/* prescale watchdog by 2048 */
+
+  TICKLE_WATCHDOG();			/* restart watchdog timer */
+
+  /*
+   * Re-tune the PLL to the desired system clock frequency.
+   */
+  usiu.plprck = USIU_UNLOCK_KEY;	/* unlock PLPRCR */
+  usiu.plprcr =
+      USIU_PLPRCR_TEXPS			/* assert TEXP always */
+    | USIU_PLPRCR_MF(BSP_CLOCK_HZ / BSP_CRYSTAL_HZ);
+  					/* PLL multiplication factor */
+  usiu.plprck = 0;			/* lock PLPRCR */
+
+  while (((plprcr = usiu.plprcr) & USIU_PLPRCR_SPLS) == 0)
+    ;					/* wait for PLL to re-lock */
+
+  /*
+   * Enable the timebase and decrementer, then initialize decrementer
+   * register to a large value to guarantee that a decrementer interrupt
+   * will not be generated before the kernel is fully initialized.
+   * Initialize the timebase register to zero.
+   */
+  usiu.tbscrk = USIU_UNLOCK_KEY;
+  usiu.tbscr |= USIU_TBSCR_TBE;		/* enable time base and decrementer */
+  usiu.tbscrk = 0;
+
+  usiu.tbk = USIU_UNLOCK_KEY;
+  _write_PPC_DEC(0x7FFFFFFF);
+  _write_TBWU(0x00000000 );
+  _write_TBWL(0x00000000 );
+  usiu.tbk = 0;
+
+  /*
+   * Run the Inter-Module Bus at full speed.
+   */
+  imb.uimb.umcr &= ~UIMB_UMCR_HSPEED;
+
+  /*
+   * Initialize Memory Controller for External RAM
+   *
+   * Initialize the Base and Option Registers (BR0-BR7 and OR0-OR7).  Note
+   * that for all chip selects, ORx should be programmed before BRx.
+   *
+   * If booting from internal flash ROM, configure the external RAM to
+   * extend the internal RAM.  If booting from external RAM, leave it at
+   * zero but set it up appropriately.
+   */
+  usiu.memc[0]._or =
+      USIU_MEMC_OR_512K			/* bank size */
+    | USIU_MEMC_OR_SCY(0)		/* wait states in first beat of burst */
+    | USIU_MEMC_OR_BSCY(0);		/* wait states in subsequent beats */
+
+  usiu.memc[0]._br =
+      USIU_MEMC_BR_BA(_read_IMMR() & IMMR_FLEN
+        ? (uint32_t)int_ram_top : 0)	/* base address */
+    | USIU_MEMC_BR_PS32			/* 32-bit data bus */
+    | USIU_MEMC_BR_TBDIP		/* toggle bdip */
+    | USIU_MEMC_BR_V;			/* base register valid */
+
+  /*
+   * Initialize Memory Controller for External CPLD
+   *
+   * The SS555 board includes a CPLD to control on-board features and
+   * off-board devices.  (Configuration taken from Intec's hwhook.c)
+   */
+  usiu.memc[3]._or =
+      USIU_MEMC_OR_16M			/* bank size */
+    | USIU_MEMC_OR_CSNT			/* negate CS/WE early */
+    | USIU_MEMC_OR_ACS_HALF		/* assert CS half cycle after address */
+    | USIU_MEMC_OR_SCY(15)		/* wait states in first beat of burst */
+    | USIU_MEMC_OR_TRLX;		/* relaxed timing */
+
+  usiu.memc[3]._br =
+      USIU_MEMC_BR_BA(&cpld)		/* base address */
+    | USIU_MEMC_BR_PS16			/* 16-bit data bus */
+    | USIU_MEMC_BR_BI			/* inhibit bursting */
+    | USIU_MEMC_BR_V;			/* base register valid */
+
+  /*
+   * Disable show cycles and serialization so that burst accesses will work
+   * properly.  A different value, such as 0x0, may be more appropriate for
+   * debugging, but can be set with the debugger, if needed.
+   */
+  _write_ICTRL(0x00000007);
+
+  /*
+   * Set up Burst Buffer Controller (BBC)
+   */
+  _write_BBCMCR(
+      BBCMCR_ETRE			/* enable exception relocation */
+    | BBCMCR_BE);			/* enable burst accesses */
+  _isync;
+
+  _CPU_MSR_GET(msr);
+  msr |= MSR_IP;		/* set prefix for exception relocation */
+  _CPU_MSR_SET(msr);
+}
diff --git a/bsps/powerpc/ss555/start/linkcmds b/bsps/powerpc/ss555/start/linkcmds
new file mode 100644
index 0000000000..8282d6c605
--- /dev/null
+++ b/bsps/powerpc/ss555/start/linkcmds
@@ -0,0 +1,328 @@
+/*
+ * Linker command file for Intec SS555 board
+ *
+ * When debugging, we assume that the internal flash ROM will be replaced by
+ * the external RAM on the SS555 board.  All sections are stacked starting
+ * at address zero.  Nothing is placed in the internal RAM, since it's not
+ * contiguous with the external SRAM when the external RAM is placed at
+ * zero.
+ *
+ * For final production, we assume that the .text section will be burned
+ * into flash ROM starting at address zero.  The .data, .bss, heap, and
+ * workspace will reside in RAM, starting at the beginning of the internal
+ * RAM.  The system startup code will configure the external RAM to begin
+ * where the internal RAM ends, so as to make one large RAM block.
+ */
+
+OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
+OUTPUT_ARCH(powerpc) 
+ENTRY(start)
+EXTERN(_vectors)
+
+int_ram_org	= 0x003F9800;		/* base of internal RAM */
+int_ram_top	= 0x00400000;		/* top of internal RAM */
+ext_ram_size	= 0x00080000;		/* size of external RAM */
+
+RamBase = DEFINED(_RamBase) ? RamBase : 0x003F9800;
+RamSize = DEFINED(_RamSize) ? RamSize : 0x00486800;
+HeapSize = DEFINED(_HeapSize) ? HeapSize : 0x0;
+
+SECTIONS
+{
+  .vectors 0x0:
+  {
+    /*
+     * For the MPC555, we use the compressed vector table format which puts
+     * all of the exception vectors before 0x100.
+     */ 
+    *(.vectors)
+  }
+
+  .text 0x100:
+  {
+    /* Read-only sections, merged into text segment: */
+    
+    text.start = .;
+
+    /* Entry point is the .entry section */
+    *(.entry)
+    *(.entry2)
+
+    /* Actual code */
+    *(.text*)
+
+    /* C++ constructors/destructors */
+    *(.gnu.linkonce.t*)
+	     
+    /*  Initialization and finalization code.
+     *
+     *  Various files can provide initialization and finalization functions.
+     *  The bodies of these functions are in .init and .fini sections. We
+     *  accumulate the bodies here, and prepend function prologues from
+     *  ecrti.o and function epilogues from ecrtn.o. ecrti.o must be linked
+     *  first; ecrtn.o must be linked last. Because these are wildcards, it
+     *  doesn't matter if the user does not actually link against ecrti.o and
+     *  ecrtn.o; the linker won't look for a file to match a wildcard.  The
+     *  wildcard also means that it doesn't matter which directory ecrti.o
+     *  and ecrtn.o are in. 
+     */
+    PROVIDE (_init = .);
+    *ecrti.o(.init)
+    *(.init)
+    *ecrtn.o(.init)
+    
+    PROVIDE (_fini = .);
+    *ecrti.o(.fini)
+    *(.fini)
+    *ecrtn.o(.init)
+
+    /* 
+     *  C++ constructors and destructors for static objects.
+     *  PowerPC EABI does not use crtstuff yet, so we build "old-style"
+     *  constructor and destructor lists that begin with the list length
+     *  end terminate with a NULL entry.
+     */
+    PROVIDE (__CTOR_LIST__ = .);	     
+    /* LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) */
+    *crtbegin.o(.ctors)
+    *(.ctors)
+    *crtend.o(.ctors)
+    LONG(0)
+    PROVIDE (__CTOR_END__ = .);
+	
+    PROVIDE (__DTOR_LIST__ = .);
+    /* LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) */
+    *crtbegin.o(.dtors)
+    *(.dtors)
+    *crtend.o(.dtors)
+    LONG(0)
+    PROVIDE (__DTOR_END__ = .);
+	
+    /*
+     * Special FreeBSD sysctl sections.
+     */
+    . = ALIGN (16);
+    __start_set_sysctl_set = .;
+    *(set_sysctl_*);
+    __stop_set_sysctl_set = ABSOLUTE(.);
+    *(set_domain_*);
+    *(set_pseudo_*);
+
+    /* Exception frame info */
+    *(.eh_frame)
+
+    /* Miscellaneous read-only data */
+    _rodata_start = . ;
+    *(.gnu.linkonce.r*)
+    *(.lit)
+    *(.shdata)
+    *(.rodata*)
+    *(.rodata1)
+    KEEP (*(SORT(.rtemsroset.*)))
+    *(.descriptors)
+    *(rom_ver)
+    _erodata = .;
+
+    /* Various possible names for the end of the .text section */
+    etext = ALIGN(0x10);
+    _etext = .;
+    _endtext = .;
+    text.end = .;
+    PROVIDE (etext = .);
+    PROVIDE (__etext = .);
+  }
+  text.size = text.end - text.start;
+
+  .tdata : {
+    _TLS_Data_begin = .;
+    *(.tdata .tdata.* .gnu.linkonce.td.*)
+    _TLS_Data_end = .;
+
+    /* 
+     * .data section contents, copied to RAM at system startup. 
+     */
+    . = ALIGN(0x20);
+    data.contents.start = .;
+  }
+  .tbss : {
+    _TLS_BSS_begin = .;
+    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+    _TLS_BSS_end = .;
+  }
+  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+  _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
+  _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
+  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+  _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
+
+  /*
+   * If debugging, stack the read/write sections directly after the text
+   * section.  Otherwise, stack the read/write sections starting at base of
+   * internal RAM.
+   */
+  . = DEFINED(RTEMS_DEBUG) ? . : int_ram_org;
+ 
+  .data : AT (data.contents.start)
+  {
+    data.start = .;
+    
+    *(.data)
+    *(.data.*)
+    KEEP (*(SORT(.rtemsrwset.*)))
+    *(.data1)
+    
+    PROVIDE (__SDATA_START__ = .);
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+    PROVIDE (__SDATA_END__ = .);
+    
+    PROVIDE (__EXCEPT_START__ = .);
+    *(.gcc_except_table*)
+    PROVIDE (__EXCEPT_END__ = .);
+    
+    PROVIDE(__GOT_START__ = .);
+    *(.got.plt) 
+    *(.got)
+    PROVIDE(__GOT_END__ = .);
+	
+    *(.got1)
+    
+    PROVIDE (__GOT2_START__ = .);
+    PROVIDE (_GOT2_START_ = .);
+    *(.got2)
+    PROVIDE (__GOT2_END__ = .);
+    PROVIDE (_GOT2_END_ = .);
+	
+    PROVIDE (__FIXUP_START__ = .);
+    PROVIDE (_FIXUP_START_ = .);
+    *(.fixup)
+    PROVIDE (_FIXUP_END_ = .);
+    PROVIDE (__FIXUP_END__ = .);
+
+    /*  We want the small data sections together, so single-instruction
+     *   offsets can access them all.
+     */
+    PROVIDE (__SDATA2_START__ = .);
+    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+    *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
+    PROVIDE (__SDATA2_END__ = .);
+
+    data.end = .;
+  }
+  data.size = data.end - data.start;
+
+  bss.start = .;
+  .sbss          :
+  {
+    PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
+    *(.dynsbss)
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+    PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
+  }
+  .bss :
+  {
+    *(.dynbss)	
+    *(.bss .bss* .gnu.linkonce.b*)
+    *(COMMON)
+    . = ALIGN(4);
+  }
+  bss.end = .;
+  bss.size = bss.end - bss.start;
+
+  PROVIDE(_end = bss.end);
+
+  /*
+   * Initialization stack
+   */
+  InitStack_start = ALIGN(0x10);
+  . += 0x1000;
+  initStack = .;
+  PROVIDE(initStackPtr = initStack);
+
+  /*
+   * Interrupt stack
+   */
+  IntrStack_start = ALIGN(0x10);
+  . += 0x4000;
+  intrStack = .;
+  PROVIDE(intrStackPtr = intrStack);
+
+  /*
+   * Work Area
+   *
+   * The Work Area is configured at run-time to use all available memory.  It
+   * begins just after the end of the Workspace and continues to the end of
+   * the external RAM.
+   */
+  . = DEFINED(RTEMS_DEBUG) ? 0 + ext_ram_size : int_ram_top + ext_ram_size;
+  WorkAreaBase = .;
+
+ 
+  /* 
+   * Internal I/O devices 
+   */
+  .usiu 0x002FC000:		/* unified system interface unit */
+  {
+    usiu = .;
+  }
+
+  .imb 0x00300000:		/* inter-module bus and devices */
+  {
+    imb = .;
+  }
+
+  .sram 0x00380000:		/* internal SRAM control registers */
+  {
+    sram = .;
+  }
+
+  /*
+   * SS555 external devices managed by on-board CPLD
+   */
+  .cpld 0xFF000000:		/* SS555 external CPLD devices */
+  {
+    cpld = .;
+  }
+
+
+  /* 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) }
+  
+  /* 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) }
+  /* These must appear regardless of  .  */
+}
diff --git a/bsps/powerpc/ss555/start/tm27supp.c b/bsps/powerpc/ss555/start/tm27supp.c
new file mode 100644
index 0000000000..4c1660ff70
--- /dev/null
+++ b/bsps/powerpc/ss555/start/tm27supp.c
@@ -0,0 +1,14 @@
+/*
+ *  Support routines for TM27
+ */
+
+#include <bsp.h>
+
+rtems_irq_connect_data tm27IrqData = {
+  CPU_USIU_EXT_IRQ_7,
+  (rtems_irq_hdl)0,
+  NULL,
+  NULL,
+  NULL
+};
+