bsps: Move interrupt controller support to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

1 files changed, 0 insertions, 364 deletions

diff --git a/c/src/lib/libbsp/powerpc/shared/irq/irq_init.c b/c/src/lib/libbsp/powerpc/shared/irq/irq_init.c
deleted file mode 100644
index 1a44992a5b..0000000000
--- a/c/src/lib/libbsp/powerpc/shared/irq/irq_init.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/* irq_init.c
- *
- *  This file contains the implementation of rtems initialization
- *  related to interrupt handling.
- *
- *  CopyRight (C) 1999 valette@crf.canon.fr
- *
- * Enhanced by Jay Kulpinski <jskulpin@eng01.gdds.com>
- * to make it valid for MVME2300 Motorola boards.
- *
- * Till Straumann <strauman@slac.stanford.edu>, 12/20/2001:
- * Use the new interface to openpic_init
- *
- *  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 <libcpu/io.h>
-#include <libcpu/spr.h>
-#include <bsp/pci.h>
-#include <bsp/residual.h>
-#include <bsp/irq.h>
-#if BSP_PCI_IRQ_NUMBER > 0
-#include <bsp/openpic.h>
-#endif
-#include <bsp/irq_supp.h>
-#include <bsp.h>
-#include <bsp/motorola.h>
-#include <rtems/bspIo.h>
-
-typedef struct {
-  unsigned char bus;	/* few chance the PCI/ISA bridge is not on first bus but ... */
-  unsigned char device;
-  unsigned char function;
-} pci_isa_bridge_device;
-
-pci_isa_bridge_device* via_82c586 = 0;
-#ifndef qemu
-static pci_isa_bridge_device bridge;
-#endif
-
-/*
- * default methods
- */
-static void nop_hdl(rtems_irq_hdl_param ignored)
-{
-}
-
-static void nop_irq_enable(const struct __rtems_irq_connect_data__*ignored)
-{
-}
-
-static int irq_is_connected(const struct __rtems_irq_connect_data__*ignored)
-{
-  return 0;
-}
-
-
-static rtems_irq_connect_data     	rtemsIrq[BSP_IRQ_NUMBER];
-static rtems_irq_global_settings     	initial_config;
-static rtems_irq_connect_data     	defaultIrq = {
-  0,                /* vector */
-  nop_hdl,          /* hdl */
-  NULL,             /* handle */
-  nop_irq_enable,   /* on */
-  nop_irq_enable,   /* off */
-  irq_is_connected  /* isOn */
-#ifdef BSP_SHARED_HANDLER_SUPPORT
-  , NULL /* next_handler */
-#endif
-};
-static rtems_irq_prio irqPrioTable[BSP_IRQ_NUMBER]={
-  /*
-   * actual priorities for interrupt :
-   *	0   means that only current interrupt is masked
-   *	255 means all other interrupts are masked
-   */
-  /*
-   * ISA interrupts.
-   * The second entry has a priority of 255 because
-   * it is the slave pic entry and should always remain
-   * unmasked.
-   */
-  0,0,
-  255,
-  0, 0, 0, 0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-#if BSP_PCI_IRQ_NUMBER > 0
-  /*
-   * PCI Interrupts
-   */
-  8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, /* for raven prio 0 means unactive... */
-#endif
-  /*
-   * Processor exceptions handled as interrupts
-   */
-  0
-};
-
-#if BSP_PCI_IRQ_NUMBER > 0
-#if defined(mvme2100)
-static unsigned char mvme2100_openpic_initpolarities[16] = {
-    0,  /* Not used - should be disabled */
-    0,	/* DEC21143 Controller */
-    0,  /* PMC/PC-MIP Type I Slot 0 */
-    0,  /* PC-MIP Type I Slot 1 */
-    0,  /* PC-MIP Type II Slot 0 */
-    0,  /* PC-MIP Type II Slot 1 */
-    0,  /* Not used - should be disabled */
-    0,  /* PCI Expansion Interrupt A/Universe II (LINT0) */
-    0,  /* PCI Expansion Interrupt B/Universe II (LINT1) */
-    0,  /* PCI Expansion Interrupt C/Universe II (LINT2) */
-    0,  /* PCI Expansion Interrupt D/Universe II (LINT3) */
-    0,  /* Not used - should be disabled */
-    0,  /* Not used - should be disabled */
-    1,  /* 16550 UART */
-    0,  /* Front panel Abort Switch */
-    0,  /* RTC IRQ */
-};
-
-static unsigned char mvme2100_openpic_initsenses[] = {
-    0,  /* Not used - should be disabled */
-    1,	/* DEC21143 Controller */
-    1,  /* PMC/PC-MIP Type I Slot 0 */
-    1,  /* PC-MIP Type I Slot 1 */
-    1,  /* PC-MIP Type II Slot 0 */
-    1,  /* PC-MIP Type II Slot 1 */
-    0,  /* Not used - should be disabled */
-    1,  /* PCI Expansion Interrupt A/Universe II (LINT0) */
-    1,  /* PCI Expansion Interrupt B/Universe II (LINT1) */
-    1,  /* PCI Expansion Interrupt C/Universe II (LINT2) */
-    1,  /* PCI Expansion Interrupt D/Universe II (LINT3) */
-    0,  /* Not used - should be disabled */
-    0,  /* Not used - should be disabled */
-    1,  /* 16550 UART */
-    0,  /* Front panel Abort Switch */
-    1,  /* RTC IRQ */
-};
-#else
-static unsigned char mcp750_openpic_initpolarities[16] = {
-    1,  /* 8259 cascade */
-    0,	/* all the rest of them */
-};
-
-static unsigned char mcp750_openpic_initsenses[] = {
-    1,	/* MCP750_INT_PCB(8259) */
-    0,	/* MCP750_INT_FALCON_ECC_ERR */
-    1,	/* MCP750_INT_PCI_ETHERNET */
-    1,	/* MCP750_INT_PCI_PMC */
-    1,	/* MCP750_INT_PCI_WATCHDOG_TIMER1 */
-    1,	/* MCP750_INT_PCI_PRST_SIGNAL */
-    1,	/* MCP750_INT_PCI_FALL_SIGNAL */
-    1,	/* MCP750_INT_PCI_DEG_SIGNAL */
-    1,	/* MCP750_INT_PCI_BUS1_INTA */
-    1,	/* MCP750_INT_PCI_BUS1_INTB */
-    1,	/* MCP750_INT_PCI_BUS1_INTC */
-    1,	/* MCP750_INT_PCI_BUS1_INTD */
-    1,	/* MCP750_INT_PCI_BUS2_INTA */
-    1,	/* MCP750_INT_PCI_BUS2_INTB */
-    1,	/* MCP750_INT_PCI_BUS2_INTC */
-    1,	/* MCP750_INT_PCI_BUS2_INTD */
-};
-#endif
-#endif
-
-#if BSP_ISA_IRQ_NUMBER > 0 && !defined(qemu)
-void VIA_isa_bridge_interrupts_setup(void)
-{
-  pci_isa_bridge_device pci_dev;
-  uint32_t temp;
-  unsigned char tmp;
-  unsigned char maxBus;
-  unsigned found = 0;
-
-  maxBus = pci_bus_count();
-  pci_dev.function 	= 0; /* Assumes the bidge is the first function */
-
-  for (pci_dev.bus = 0; pci_dev.bus < maxBus; pci_dev.bus++) {
-#ifdef SCAN_PCI_PRINT
-    printk("isa_bridge_interrupts_setup: Scanning bus %d\n", pci_dev.bus);
-#endif
-    for (pci_dev.device = 0; pci_dev.device < PCI_MAX_DEVICES; pci_dev.device++) {
-#ifdef SCAN_PCI_PRINT
-      printk("isa_bridge_interrupts_setup: Scanning device %d\n", pci_dev.device);
-#endif
-      pci_read_config_dword(pci_dev.bus, pci_dev.device,  pci_dev.function,
-			       PCI_VENDOR_ID, &temp);
-#ifdef SCAN_PCI_PRINT
-      printk("Vendor/device = %x\n", temp);
-#endif
-      if ((temp == (((unsigned short) PCI_VENDOR_ID_VIA) | (PCI_DEVICE_ID_VIA_82C586_0 << 16)))
-	 ) {
-	bridge = pci_dev;
-	via_82c586 = &bridge;
-#ifdef SHOW_ISA_PCI_BRIDGE_SETTINGS
-	/*
-	 * Should print : bus = 0, device = 11, function = 0 on a MCP750.
-	 */
-	printk("Via PCI/ISA bridge found at bus = %d, device = %d, function = %d\n",
-	       via_82c586->bus,
-	       via_82c586->device,
-	       via_82c586->function);
-#endif
-	found = 1;
-	goto loop_exit;
-
-      }
-    }
-  }
-loop_exit:
-  if (!found) rtems_panic("VIA_82C586 PCI/ISA bridge not found!n");
-
-  tmp = inb(0x810);
-  if  ( !(tmp & 0x2)) {
-#ifdef SHOW_ISA_PCI_BRIDGE_SETTINGS
-    printk("This is a second generation MCP750 board\n");
-    printk("We must reprogram the PCI/ISA bridge...\n");
-#endif
-    pci_read_config_byte(via_82c586->bus, via_82c586->device, via_82c586->function,
-			 0x47,  &tmp);
-#ifdef SHOW_ISA_PCI_BRIDGE_SETTINGS
-    printk(" PCI ISA bridge control2 = %x\n", (unsigned) tmp);
-#endif
-    /*
-     * Enable 4D0/4D1 ISA interrupt level/edge config registers
-     */
-    tmp |= 0x20;
-    pci_write_config_byte(via_82c586->bus, via_82c586->device, via_82c586->function,
-			  0x47, tmp);
-    /*
-     * Now program the ISA interrupt edge/level
-     */
-    tmp = ELCRS_INT9_LVL | ELCRS_INT10_LVL | ELCRS_INT11_LVL;
-    outb(tmp, ISA8259_S_ELCR);
-    tmp = ELCRM_INT5_LVL;
-    outb(tmp, ISA8259_M_ELCR);
-    /*
-     * Set the Interrupt inputs to non-inverting level interrupt
-     */
-    pci_read_config_byte(via_82c586->bus, via_82c586->device, via_82c586->function,
-			    0x54, &tmp);
-#ifdef SHOW_ISA_PCI_BRIDGE_SETTINGS
-    printk(" PCI ISA bridge PCI/IRQ Edge/Level Select = %x\n", (unsigned) tmp);
-#endif
-    tmp = 0;
-    pci_write_config_byte(via_82c586->bus, via_82c586->device, via_82c586->function,
-			  0x54, tmp);
-  }
-  else {
-#ifdef SHOW_ISA_PCI_BRIDGE_SETTINGS
-    printk("This is a first generation MCP750 board\n");
-    printk("We just show the actual value used by PCI/ISA bridge\n");
-#endif
-    pci_read_config_byte(via_82c586->bus, via_82c586->device, via_82c586->function,
-			 0x47,  &tmp);
-#ifdef SHOW_ISA_PCI_BRIDGE_SETTINGS
-    printk(" PCI ISA bridge control2 = %x\n", (unsigned) tmp);
-#endif
-    /*
-     * Show the Interrupt inputs inverting/non-inverting level status
-     */
-    pci_read_config_byte(via_82c586->bus, via_82c586->device, via_82c586->function,
-			 0x54, &tmp);
-#ifdef SHOW_ISA_PCI_BRIDGE_SETTINGS
-    printk(" PCI ISA bridge PCI/IRQ Edge/Level Select = %x\n", (unsigned) tmp);
-#endif
-  }
-}
-#endif
-
-  /*
-   * This code assumes the exceptions management setup has already
-   * been done. We just need to replace the exceptions that will
-   * be handled like interrupt. On mcp750/mpc750 and many PPC processors
-   * this means the decrementer exception and the external exception.
-   */
-void BSP_rtems_irq_mng_init(unsigned cpuId)
-{
-#if BSP_ISA_IRQ_NUMBER > 0 && !defined(mvme2100)
-  int known_cpi_isa_bridge = 0;
-#endif
-  int i;
-
-  /*
-   * First initialize the Interrupt management hardware
-   */
-#if defined(mvme2100)
-#ifdef TRACE_IRQ_INIT
-  printk("Going to initialize EPIC interrupt controller (openpic compliant)\n");
-#endif
-  /* EPIC sources don't start at the regular place; define appropriate offset
-   * prior to initializing the PIC.
-   */
-  openpic_init(1, mvme2100_openpic_initpolarities, mvme2100_openpic_initsenses, 16, 16, BSP_bus_frequency);
-#else
-#if BSP_PCI_IRQ_NUMBER > 0
-#ifdef TRACE_IRQ_INIT
-  printk("Going to initialize raven interrupt controller (openpic compliant)\n");
-#endif
-  openpic_init(1, mcp750_openpic_initpolarities, mcp750_openpic_initsenses, 0, 0, 0);
-#ifdef TRACE_IRQ_INIT
-  printk("Going to initialize the PCI/ISA bridge IRQ related setting (VIA 82C586)\n");
-#endif
-#endif
-
-#if BSP_ISA_IRQ_NUMBER > 0
-  if ( currentBoard == MESQUITE ) {
-#ifndef qemu
-    VIA_isa_bridge_interrupts_setup();
-#endif
-    known_cpi_isa_bridge = 1;
-  }
-  if ( currentBoard == MVME_2300 ) {
-    /* nothing to do for W83C553 bridge */
-    known_cpi_isa_bridge = 1;
-  }
-  if ( currentBoard == MTX_WO_PP || currentBoard == MTX_W_PP ) {
-     /* W83C554, don't to anything at the moment.  gregm 11/6/2002 */
-     known_cpi_isa_bridge = 1;
-  }
-
-  if (!known_cpi_isa_bridge) {
-    printk("Please add code for PCI/ISA bridge init to libbsp/powerpc/shared/irq/irq_init.c\n");
-    printk("If your card works correctly please add a test and set known_cpi_isa_bridge to true\n");
-    printk("currentBoard = %i\n", currentBoard);
-  }
-#ifdef TRACE_IRQ_INIT
-  printk("Going to initialize the ISA PC legacy IRQ management hardware\n");
-#endif
-  BSP_i8259s_init();
-#endif
-
-#endif
-
-  /*
-   * Initialize RTEMS management interrupt table
-   */
-    /*
-     * re-init the rtemsIrq table
-     */
-    for (i = 0; i < BSP_IRQ_NUMBER; i++) {
-      rtemsIrq[i]      = defaultIrq;
-      rtemsIrq[i].name = i;
-    }
-    /*
-     * Init initial Interrupt management config
-     */
-    initial_config.irqNb 	= BSP_IRQ_NUMBER;
-    initial_config.defaultEntry = defaultIrq;
-    initial_config.irqHdlTbl	= rtemsIrq;
-    initial_config.irqBase	= BSP_LOWEST_OFFSET;
-    initial_config.irqPrioTbl	= irqPrioTable;
-
-    if (!BSP_rtems_irq_mngt_set(&initial_config)) {
-      /*
-       * put something here that will show the failure...
-       */
-      rtems_panic("Unable to initialize RTEMS interrupt Management!!! System locked\n");
-    }
-
-#ifdef TRACE_IRQ_INIT
-    printk("RTEMS IRQ management is now operational\n");
-#endif
-}