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.

4 files changed, 166 insertions, 0 deletions

diff --git a/bsps/powerpc/psim/start/bsp_specs b/bsps/powerpc/psim/start/bsp_specs
new file mode 100644
index 0000000000..2625609327
--- /dev/null
+++ b/bsps/powerpc/psim/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/psim/start/bspstart.c b/bsps/powerpc/psim/start/bspstart.c
new file mode 100644
index 0000000000..3a9809c022
--- /dev/null
+++ b/bsps/powerpc/psim/start/bspstart.c
@@ -0,0 +1,113 @@
+/*
+ *  This set of routines starts the application.  It includes application,
+ *  board, and monitor specific initialization and configuration.
+ *  The generic CPU dependent initialization has been performed
+ *  before any of these are invoked.
+ *
+ *  COPYRIGHT (c) 1989-2008.
+ *  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.
+ */
+
+#include <string.h>
+#include <fcntl.h>
+#include <bsp.h>
+#include <bsp/irq.h>
+#include <psim.h>
+#include <bsp/bootcard.h>
+#include <bsp/linker-symbols.h>
+#include <rtems/bspIo.h>
+#include <rtems/counter.h>
+#include <rtems/powerpc/powerpc.h>
+
+#include <libcpu/cpuIdent.h>
+#include <libcpu/bat.h>
+#include <libcpu/spr.h>
+
+SPR_RW(SPRG1)
+
+/*  On psim, each click of the decrementer register corresponds
+ *  to 1 instruction.  By setting this to 100, we are indicating
+ *  that we are assuming it can execute 100 instructions per
+ *  microsecond.  This corresponds to sustaining 1 instruction
+ *  per cycle at 100 Mhz.  Whether this is a good guess or not
+ *  is anyone's guess.
+ */
+extern int PSIM_INSTRUCTIONS_PER_MICROSECOND[];
+
+/*
+ * PCI Bus Frequency
+ */
+unsigned int BSP_bus_frequency;
+
+/*
+ *  Driver configuration parameters
+ */
+uint32_t   bsp_clicks_per_usec;
+
+/*
+ * Memory on this board.
+ */
+uint32_t BSP_mem_size = (uint32_t)RamSize;
+
+/*
+ * Time base divisior (how many tick for 1 second).
+ */
+unsigned int BSP_time_base_divisor;
+
+extern unsigned long __rtems_end[];
+
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialization.
+ */
+void bsp_start( void )
+{
+  /*
+   * Note we can not get CPU identification dynamically.
+   * PVR has to be set to PPC_PSIM (0xfffe) from the device
+   * file.
+   */
+
+  get_ppc_cpu_type();
+
+  /*
+   *  initialize the device driver parameters
+   */
+  BSP_bus_frequency        = (unsigned int)PSIM_INSTRUCTIONS_PER_MICROSECOND;
+  bsp_clicks_per_usec      = BSP_bus_frequency;
+  BSP_time_base_divisor    = 1;
+  rtems_counter_initialize_converter(bsp_clicks_per_usec * 1000000);
+
+  /*
+   * Initialize default raw exception handlers.
+   */
+  ppc_exc_initialize_with_vector_base(
+    (uintptr_t) bsp_section_work_begin,
+    rtems_configuration_get_interrupt_stack_size(),
+    (void *) 0xfff00000
+  );
+
+  /*
+   * Initalize RTEMS IRQ system
+   */
+  BSP_rtems_irq_mng_init(0);
+
+  /*
+   * Setup BATs and enable MMU
+   */
+  /* Memory */
+  setdbat(0, 0x0<<24, 0x0<<24, 2<<24, _PAGE_RW);
+  setibat(0, 0x0<<24, 0x0<<24, 2<<24,        0);
+  /* PCI    */
+  setdbat(1, 0x8<<24, 0x8<<24, 1<<24,  IO_PAGE);
+  setdbat(2, 0xc<<24, 0xc<<24, 1<<24,  IO_PAGE);
+
+  _write_MSR(_read_MSR() | MSR_DR | MSR_IR);
+  __asm__ volatile("sync; isync");
+
+}
diff --git a/bsps/powerpc/psim/start/device-tree b/bsps/powerpc/psim/start/device-tree
new file mode 100644
index 0000000000..bd2a2a56ef
--- /dev/null
+++ b/bsps/powerpc/psim/start/device-tree
@@ -0,0 +1,4 @@
+#/openprom/init/register/pc 0
+#/openprom/options/smp 2
+#/openprom/options/oea-memory-size 4194304
+/openprom/options/oea-memory-size 8388608
diff --git a/bsps/powerpc/psim/start/linkcmds b/bsps/powerpc/psim/start/linkcmds
new file mode 100644
index 0000000000..ba9319c91d
--- /dev/null
+++ b/bsps/powerpc/psim/start/linkcmds
@@ -0,0 +1,40 @@
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  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.
+ */
+
+EXTERN (__vectors)
+
+MEMORY {
+	RAM       : ORIGIN = 0, LENGTH = 16M
+	EMPTY     : ORIGIN = 0x0, LENGTH = 0
+}
+
+REGION_ALIAS ("REGION_START", RAM);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
+REGION_ALIAS ("REGION_TEXT", RAM);
+REGION_ALIAS ("REGION_TEXT_LOAD", RAM);
+REGION_ALIAS ("REGION_RODATA", RAM);
+REGION_ALIAS ("REGION_RODATA_LOAD", RAM);
+REGION_ALIAS ("REGION_FAST_DATA", RAM);
+REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
+REGION_ALIAS ("REGION_DATA", RAM);
+REGION_ALIAS ("REGION_DATA_LOAD", RAM);
+REGION_ALIAS ("REGION_BSS", RAM);
+REGION_ALIAS ("REGION_RWEXTRA", RAM);
+REGION_ALIAS ("REGION_WORK", RAM);
+REGION_ALIAS ("REGION_STACK", RAM);
+REGION_ALIAS ("REGION_NOCACHE", EMPTY);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", EMPTY);
+REGION_ALIAS ("REGION_NVRAM", EMPTY);
+
+PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000);
+
+PSIM = 0x0c000000;
+
+INCLUDE linkcmds.base