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, 585 insertions, 0 deletions

diff --git a/bsps/powerpc/mvme3100/start/bsp_specs b/bsps/powerpc/mvme3100/start/bsp_specs
new file mode 100644
index 0000000000..2625609327
--- /dev/null
+++ b/bsps/powerpc/mvme3100/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/mvme3100/start/bspstart.c b/bsps/powerpc/mvme3100/start/bspstart.c
new file mode 100644
index 0000000000..27b483332c
--- /dev/null
+++ b/bsps/powerpc/mvme3100/start/bspstart.c
@@ -0,0 +1,440 @@
+/*
+ *  This routine does the bulk of the system initialization.
+ */
+
+/*
+ *  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.org/license/LICENSE.
+ *
+ *  Modified to support the MCP750.
+ *  Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
+ *
+ *  Modified for mvme3100 by T. Straumann
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include <rtems.h>
+#include <bsp.h>
+#include <bsp/bootcard.h>
+#include <rtems/bspIo.h>
+#include <rtems/counter.h>
+#include <rtems/sysinit.h>
+#include <libcpu/spr.h>
+#include <libcpu/io.h>
+#include <libcpu/e500_mmu.h>
+#include <bsp/uart.h>
+#include <bsp/irq.h>
+#include <bsp/pci.h>
+#include <bsp/vpd.h>
+#include <libcpu/cpuIdent.h>
+#include <bsp/vectors.h>
+#include <bsp/VME.h>
+#include <rtems/powerpc/powerpc.h>
+
+#define SHOW_MORE_INIT_SETTINGS
+#undef  DEBUG
+
+#define NumberOf(arr) (sizeof(arr)/sizeof(arr[0]))
+
+#ifdef  DEBUG
+#define STATIC
+#else
+#define STATIC static
+#endif
+
+extern unsigned long __rtems_end[];
+extern unsigned      ppc_exc_lock_std, ppc_exc_gpr3_std;
+
+/*
+ * Copy Additional boot param passed by boot loader
+ */
+#define CMDLINE_BUF_SIZE  2048
+
+static char cmdline_buf[CMDLINE_BUF_SIZE] = {0};
+char *BSP_commandline_string         = cmdline_buf;
+
+/*
+ * Vital Board data Start using DATA RESIDUAL
+ */
+uint32_t bsp_clicks_per_usec         = 0;
+/*
+ * Total memory using RESIDUAL DATA
+ */
+unsigned int BSP_mem_size            = 0;
+/*
+ * PCI Bus Frequency
+ */
+unsigned int BSP_pci_bus_frequency   = 0xdeadbeef;
+/*
+ * PPC Bus Frequency
+ */
+unsigned int BSP_bus_frequency       = 0;
+/*
+ * processor clock frequency
+ */
+unsigned int BSP_processor_frequency = 0;
+/*
+ * Time base divisior (how many tick for 1 second).
+ */
+unsigned int BSP_time_base_divisor   = 8000; /* if external RTC clock unused (HID0) */
+
+/* Board identification string */
+char BSP_productIdent[20]            = {0};
+char BSP_serialNumber[20]            = {0};
+
+/* VPD appends an extra char -- what for ? */
+char BSP_enetAddr0[7]                = {0};
+char BSP_enetAddr1[7]                = {0};
+char BSP_enetAddr2[7]                = {0};
+
+static void
+prether(char *b, int idx)
+{
+int i;
+  printk("Ethernet %i                  %02X", idx, *b++);
+  for ( i=0; i<5; i++ )
+    printk(":%02X",*b++);
+  printk("\n");
+}
+
+BSP_output_char_function_type     BSP_output_char = BSP_output_char_via_serial;
+BSP_polling_getchar_function_type BSP_poll_char = NULL;
+
+char *rtems_progname;
+
+/*
+ *  Use the shared implementations of the following routines
+ */
+char *save_boot_params(
+  void *r3,
+  void *r4,
+  void *r5,
+  char *cmdline_start,
+  char *cmdline_end
+)
+{
+
+  strncpy(cmdline_buf, cmdline_start, CMDLINE_BUF_SIZE);
+  cmdline_buf[CMDLINE_BUF_SIZE - 1] ='\0';
+  return cmdline_buf;
+}
+
+#define CS_CONFIG_CS_EN (1<<31)
+#define CS_BNDS_SA(x)  ((((uint32_t)(x))>>(31-15)) & 0xff)
+#define CS_BNDS_EA(x)  ((((uint32_t)(x))>>(31-31)) & 0xff)
+
+static inline uint32_t
+_ccsr_rd32(uint32_t off)
+{
+  return in_be32( (volatile uint32_t *)(BSP_8540_CCSR_BASE + off) );
+}
+
+static inline void
+_ccsr_wr32(uint32_t off, uint32_t val)
+{
+  out_be32( (volatile uint32_t *)(BSP_8540_CCSR_BASE + off), val );
+}
+
+
+STATIC uint32_t
+BSP_get_mem_size( void )
+{
+  int i;
+  uint32_t  cs_bnds, cs_config;
+  uint32_t  memsz=0;
+  uint32_t  v;
+
+  for ( cs_bnds = 0x2000, cs_config=0x2080, i=0; i<4; i++, cs_bnds+=8, cs_config+=4 ) {
+    if ( CS_CONFIG_CS_EN & _ccsr_rd32( cs_config ) ) {
+      v = _ccsr_rd32( cs_bnds );
+
+      memsz += CS_BNDS_EA(v) - CS_BNDS_SA(v) + 1;
+    }
+  }
+  return memsz << 24;
+}
+
+STATIC void
+BSP_calc_freqs( void )
+{
+  uint32_t  porpllsr   = _ccsr_rd32( 0xe0000 );
+  unsigned  plat_ratio = (porpllsr >> (31-30)) & 0x1f;
+  unsigned    e500_ratio = (porpllsr >> (31-15)) & 0x3f;
+
+  switch ( plat_ratio ) {
+    case  2: case  3: case  4: case  5: case  6:
+    case  8: case  9: case 10: case 12: case 16:
+    /* supported ratios */
+      BSP_bus_frequency = BSP_pci_bus_frequency * plat_ratio;
+    break;
+
+    default:
+      rtems_panic("Unknown PLL sys-clock ratio; something's wrong here");
+  }
+
+  switch ( e500_ratio ) {
+    case 4: case 5: case 6: case 7:
+      BSP_processor_frequency = (BSP_pci_bus_frequency * e500_ratio) >> 1;
+    break;
+
+    default:
+      rtems_panic("Unknown PLL e500-clock ratio; something's wrong here");
+  }
+
+  printk("Core Complex Bus (CCB) Clock Freq: %10u Hz\n", BSP_bus_frequency);
+  printk("CPU Clock Freq:                    %10u Hz\n", BSP_processor_frequency);
+}
+
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialization.
+ */
+
+#include <libcpu/spr.h>
+
+SPR_RW(HID1)
+
+void bsp_start( void )
+{
+  unsigned char       *stack;
+  uintptr_t            intrStackStart;
+  uintptr_t            intrStackSize;
+  char                *chpt;
+  int                  i;
+  ppc_cpu_id_t         myCpu;
+  ppc_cpu_revision_t   myCpuRevision;
+  E500_tlb_va_cache_t *tlb;
+
+VpdBufRec          vpdData [] = {
+ { key: ProductIdent, instance: 0, buf: BSP_productIdent, buflen: sizeof(BSP_productIdent) - 1 },
+ { key: SerialNumber, instance: 0, buf: BSP_serialNumber, buflen: sizeof(BSP_serialNumber) - 1 },
+ { key: BusClockHz,   instance: 0, buf: &BSP_pci_bus_frequency, buflen: sizeof(BSP_pci_bus_frequency)  },
+ { key: EthernetAddr, instance: 0, buf: BSP_enetAddr0, buflen: sizeof(BSP_enetAddr0) },
+ { key: EthernetAddr, instance: 1, buf: BSP_enetAddr1, buflen: sizeof(BSP_enetAddr1) },
+ { key: EthernetAddr, instance: 2, buf: BSP_enetAddr2, buflen: sizeof(BSP_enetAddr2) },
+ VPD_END
+};
+
+  /* Intersperse messages with actions to help locate problems */
+  printk("-----------------------------------------\n");
+
+  /*
+   * Get CPU identification dynamically. Note that the get_ppc_cpu_type()
+   * function store the result in global variables so that it can be used
+   * later...
+   */
+  myCpu = get_ppc_cpu_type();
+  myCpuRevision = get_ppc_cpu_revision();
+
+  printk("Welcome to %s\n", _RTEMS_version);
+  printk("BSP: %s, CVS Release ($Name$)\n", "mvme3100");
+
+  /*
+   * the initial stack  has aready been set to this value in start.S
+   * so there is no need to set it in r1 again... It is just for info
+   * so that It can be printed without accessing R1.
+   */
+  asm volatile("mr %0, 1":"=r"(stack));
+
+  /* tag the bottom */
+  *((uint32_t*)stack) = 0;
+
+  /*
+   * Initialize the interrupt related settings.
+   */
+  intrStackStart = (uintptr_t) __rtems_end;
+  intrStackSize = rtems_configuration_get_interrupt_stack_size();
+
+  /*
+   * Initialize default raw exception handlers.
+   */
+  ppc_exc_initialize(intrStackStart, intrStackSize);
+
+  printk("CPU 0x%x - rev 0x%x\n", myCpu, myCpuRevision);
+
+#ifdef SHOW_MORE_INIT_SETTINGS
+  printk("Additionnal boot options are %s\n", BSP_commandline_string);
+  printk("Initial system stack at %" PRIxPTR "\n", (uintptr_t) stack);
+  printk("Software IRQ stack starts at %x with size %u\n", intrStackStart, intrStackSize);
+#endif
+
+#ifdef SHOW_MORE_INIT_SETTINGS
+  printk("Going to start PCI buses scanning and initialization\n");
+#endif
+
+  BSP_mem_size            = BSP_get_mem_size();
+
+  {
+    /* memory-select errors were disabled in 'start.S';
+     * motload has all TLBs mapping a possible larger area as
+     * memory (not-guarded, caching-enabled) than actual physical
+     * memory is available.
+     * In case of speculative loads this may cause 'memory-select' errors
+     * which seem to raise 'core_fault_in' (found no description in
+     * the manual but I experienced this problem).
+     * Such errors (if HID1[RFXE] is clear) may *stall* execution
+     * leading to mysterious 'hangs'.
+     *
+     * Here we remove all mappings, re-enable memory-select
+     * errors and make sure we enable HID1[RFXE] to avoid
+     * stalls (since we don't implement handling individual
+     * error-handling interrupts).
+     */
+
+    /* enable machine check for bad bus errors */
+    _write_HID1( _read_HID1() | 0x20000 );
+
+    rtems_e500_initlb();
+
+    for ( i=0, tlb=rtems_e500_tlb_va_cache; i<NumberOf(rtems_e500_tlb_va_cache); i++, tlb++ ) {
+      /* disable TLBs for caching-enabled, non-guarded areas
+       * beyond physical memory
+       */
+      if (    tlb->att.v
+          &&  0xa != (tlb->att.wimge & 0xa)
+        &&  (tlb->va.va_epn<<12) >= BSP_mem_size ) {
+        rtems_e500_clrtlb( E500_SELTLB_1 | i );
+      }
+    }
+
+    /* clear all pending memory errors */
+    _ccsr_wr32(0x2e40, 0xffffffff);
+    /* enable checking for memory-select errors */
+    _ccsr_wr32(0x2e44, _ccsr_rd32(0x2e44) & ~1 );
+  }
+
+  BSP_vpdRetrieveFields( vpdData );
+
+  printk("Board Type: %s (S/N %s)\n",
+      BSP_productIdent[0] ? BSP_productIdent : "n/a",
+      BSP_serialNumber[0] ? BSP_serialNumber : "n/a");
+
+  printk("External (=PCI Bus) Clock Freq   ");
+  if ( 0xdeadbeef == BSP_pci_bus_frequency ) {
+    BSP_pci_bus_frequency  = 66666666;
+    printk(" NOT FOUND in VPD; using %10u Hz\n",
+        BSP_pci_bus_frequency);
+  } else {
+    printk(": %10u Hz\n",
+        BSP_pci_bus_frequency);
+  }
+
+  /* Calculate CPU and CCB bus freqs */
+  BSP_calc_freqs();
+
+  pci_initialize();
+
+  prether(BSP_enetAddr0, 0);
+  prether(BSP_enetAddr1, 1);
+  prether(BSP_enetAddr2, 2);
+
+  /* need to tweak the motload setup */
+  BSP_motload_pci_fixup();
+
+#ifdef SHOW_MORE_INIT_SETTINGS
+  printk("Number of PCI buses found is : %d\n", pci_bus_count());
+  {
+    BSP_pciConfigDump_early();
+  }
+#endif
+
+  if ( (chpt = strstr(BSP_commandline_string,"MEMSZ=")) ) {
+    char    *endp;
+    uint32_t   sz;
+    chpt+=6 /* strlen("MEMSZ=") */;
+    sz = strtoul(chpt, &endp, 0);
+    if ( endp != chpt )
+      BSP_mem_size = sz;
+  }
+
+  printk("Memory:                            %10u bytes\n", BSP_mem_size);
+
+  BSP_bus_frequency       = 333333333;
+  BSP_processor_frequency = 833333333;
+  BSP_time_base_divisor   = 8000; /* if external RTC clock unused (HID0) */
+
+  /* clear hostbridge errors but leave MCP disabled -
+   * PCI config space scanning code will trip otherwise :-(
+   */
+  _BSP_clear_hostbridge_errors(0 /* enableMCP */, 0/*quiet*/);
+
+  bsp_clicks_per_usec = BSP_bus_frequency/(BSP_time_base_divisor * 1000);
+  rtems_counter_initialize_converter(
+    BSP_bus_frequency / (BSP_time_base_divisor / 1000)
+  );
+
+  /*
+   * Initalize RTEMS IRQ system
+   */
+  BSP_rtems_irq_mng_init(0);
+
+  if (1) {
+    int i;
+    unsigned msr,tcr;
+    asm volatile("mfmsr %0":"=r"(msr));
+    asm volatile("mftcr %0":"=r"(tcr));
+    printk("MSR is 0x%08x, TCR 0x%08x\n",msr,tcr);
+    asm volatile("mttcr %0"::"r"(0));
+    if (0) {
+      asm volatile("mtmsr %0"::"r"(msr|0x8000));
+      for (i=0; i<12; i++)
+        BSP_enable_irq_at_pic(i);
+      printk("IRQS enabled\n");
+    }
+  }
+
+  if (0) {
+    unsigned x;
+    asm volatile("mfivpr %0":"=r"(x));
+    printk("IVPR: 0x%08x\n",x);
+    asm volatile("mfivor8 %0":"=r"(x));
+    printk("IVOR8: 0x%08x\n",x);
+    printk("0x%08x\n",*(unsigned *)0xc00);
+    printk("0x%08x\n",*(unsigned *)0xc04);
+    printk("0x%08x\n",*(unsigned *)0xc08);
+    printk("0x%08x\n\n\n",*(unsigned *)0xc0c);
+    if (0) {
+      *(unsigned *)0xc08 = 0x4c000064;
+      asm volatile("dcbf 0, %0; icbi 0, %0; sync; isync"::"r"(0xc00));
+    }
+
+    printk("0x%08x\n", ppc_exc_lock_std);
+    printk("0x%08x\n", ppc_exc_gpr3_std);
+
+    asm volatile("sc");
+
+    printk("0x%08x\n", ppc_exc_lock_std);
+    printk("0x%08x\n", ppc_exc_gpr3_std);
+  }
+
+  printk("-----------------------------------------\n");
+
+#ifdef SHOW_MORE_INIT_SETTINGS
+  printk("Exit from bspstart\n");
+#endif
+}
+
+static void mvme3100_i2c_initialize(void)
+{
+  BSP_i2c_initialize();
+}
+
+RTEMS_SYSINIT_ITEM(
+  mvme3100_i2c_initialize,
+  RTEMS_SYSINIT_BSP_PRE_DRIVERS,
+  RTEMS_SYSINIT_ORDER_MIDDLE
+);
+
+RTEMS_SYSINIT_ITEM(
+  BSP_vme_config,
+  RTEMS_SYSINIT_BSP_PRE_DRIVERS,
+  RTEMS_SYSINIT_ORDER_MIDDLE
+);
diff --git a/bsps/powerpc/mvme3100/start/linkcmds b/bsps/powerpc/mvme3100/start/linkcmds
new file mode 100644
index 0000000000..b30fb91277
--- /dev/null
+++ b/bsps/powerpc/mvme3100/start/linkcmds
@@ -0,0 +1,5 @@
+STARTUP(motld_start.o)
+ENTRY(__rtems_entry_point)
+EXTERN(__vectors)
+
+INCLUDE linkcmds.share
diff --git a/bsps/powerpc/mvme3100/start/misc.c b/bsps/powerpc/mvme3100/start/misc.c
new file mode 100644
index 0000000000..3a15397480
--- /dev/null
+++ b/bsps/powerpc/mvme3100/start/misc.c
@@ -0,0 +1,131 @@
+/* Miscellaneous small BSP routines; reboot, board CSR, ... */
+
+/*
+ * Authorship
+ * ----------
+ * This software ('mvme3100' RTEMS BSP) was created by
+ *
+ *     Till Straumann <strauman@slac.stanford.edu>, 2005-2007,
+ * 	   Stanford Linear Accelerator Center, Stanford University.
+ *
+ * Acknowledgement of sponsorship
+ * ------------------------------
+ * The 'mvme3100' BSP was produced by
+ *     the Stanford Linear Accelerator Center, Stanford University,
+ * 	   under Contract DE-AC03-76SFO0515 with the Department of Energy.
+ *
+ * Government disclaimer of liability
+ * ----------------------------------
+ * Neither the United States nor the United States Department of Energy,
+ * nor any of their employees, makes any warranty, express or implied, or
+ * assumes any legal liability or responsibility for the accuracy,
+ * completeness, or usefulness of any data, apparatus, product, or process
+ * disclosed, or represents that its use would not infringe privately owned
+ * rights.
+ *
+ * Stanford disclaimer of liability
+ * --------------------------------
+ * Stanford University makes no representations or warranties, express or
+ * implied, nor assumes any liability for the use of this software.
+ *
+ * Stanford disclaimer of copyright
+ * --------------------------------
+ * Stanford University, owner of the copyright, hereby disclaims its
+ * copyright and all other rights in this software.  Hence, anyone may
+ * freely use it for any purpose without restriction.
+ *
+ * Maintenance of notices
+ * ----------------------
+ * In the interest of clarity regarding the origin and status of this
+ * SLAC software, this and all the preceding Stanford University notices
+ * are to remain affixed to any copy or derivative of this software made
+ * or distributed by the recipient and are to be affixed to any copy of
+ * software made or distributed by the recipient that contains a copy or
+ * derivative of this software.
+ *
+ * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+
+void
+bsp_reset(void)
+{
+uint8_t v;
+	/*
+	 * AFAIK, the hardest reset available; cleared
+	 * some errors a VME-bus reset wouldn't (hung
+	 * i2c bus)...
+	 */
+	v  = in_8( BSP_MVME3100_SYS_CR );
+	v &= ~BSP_MVME3100_SYS_CR_RESET_MSK;
+	v |=  BSP_MVME3100_SYS_CR_RESET;
+	out_8( BSP_MVME3100_SYS_CR, v );
+}
+
+uint8_t
+BSP_setSysReg(volatile uint8_t *r, uint8_t mask)
+{
+uint8_t               v;
+rtems_interrupt_level l;
+
+	if ( !mask )
+		return in_8( r );
+
+	rtems_interrupt_disable(l);
+		v = in_8( r );
+		if ( mask ) {
+			out_8( r,  v | mask );
+		}
+	rtems_interrupt_enable(l);
+	return v;
+}
+
+uint8_t
+BSP_clrSysReg(volatile uint8_t *r, uint8_t mask)
+{
+uint8_t               v;
+rtems_interrupt_level l;
+
+	if ( !mask )
+		return in_8( r );
+
+	rtems_interrupt_disable(l);
+		v = in_8( r );
+		if ( mask ) {
+			out_8( r,  v & ~mask );
+		}
+	rtems_interrupt_enable(l);
+	return v;
+}
+
+uint8_t
+BSP_setLEDs(uint8_t mask)
+{
+	return BSP_setSysReg( BSP_MVME3100_SYS_IND_REG, mask );
+}
+
+uint8_t
+BSP_clrLEDs(uint8_t mask)
+{
+	return BSP_clrSysReg( BSP_MVME3100_SYS_IND_REG, mask );
+}
+
+uint8_t
+BSP_eeprom_write_protect(void)
+{
+uint8_t           m = BSP_MVME3100_SYS_CR_EEPROM_WP;
+volatile uint8_t *r = BSP_MVME3100_SYS_CR;
+
+	return m & BSP_setSysReg( r, m );
+}
+
+uint8_t
+BSP_eeprom_write_enable(void)
+{
+uint8_t           m = BSP_MVME3100_SYS_CR_EEPROM_WP;
+volatile uint8_t *r = BSP_MVME3100_SYS_CR;
+
+	return m & BSP_clrSysReg( r, m );
+}