FreeBSD/Linux Kernel Cross Reference
sys/arm/mv/orion/db88f5xxx.c

     /*-
      * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
      * All rights reserved.
      *
      * Developed by Semihalf.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of MARVELL nor the names of contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/10.0/sys/arm/mv/orion/db88f5xxx.c 209131 2010-06-13 13:28:53Z raj $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/kernel.h>
    
    #include <vm/vm.h>
    #include <vm/pmap.h>
    
    #include <machine/bus.h>
    #include <machine/intr.h>
    #include <machine/pte.h>
    #include <machine/pmap.h>
    #include <machine/vmparam.h>
    
    #include <arm/mv/mvreg.h>
    #include <arm/mv/mvvar.h>
    #include <arm/mv/mvwin.h>
    
    /*
     * Virtual address space layout:
     * -----------------------------
     * 0x0000_0000 - 0xbfff_ffff    : user process
     *
     * 0xc040_0000 - virtual_avail  : kernel reserved (text, data, page tables
     *                              : structures, ARM stacks etc.)
     * virtual_avail - 0xefff_ffff  : KVA (virtual_avail is typically < 0xc0a0_0000)
     * 0xf000_0000 - 0xf0ff_ffff    : no-cache allocation area (16MB)
     * 0xf100_0000 - 0xf10f_ffff    : SoC integrated devices registers range (1MB)
     * 0xf110_0000 - 0xf11f_ffff    : PCI-Express I/O space (1MB)
     * 0xf120_0000 - 0xf12f_ffff    : PCI I/O space (1MB)
     * 0xf130_0000 - 0xf52f_ffff    : PCI-Express memory space (64MB)
     * 0xf530_0000 - 0xf92f_ffff    : PCI memory space (64MB)
     * 0xf930_0000 - 0xfffe_ffff    : unused (~108MB)
     * 0xffff_0000 - 0xffff_0fff    : 'high' vectors page (4KB)
     * 0xffff_1000 - 0xffff_1fff    : ARM_TP_ADDRESS/RAS page (4KB)
     * 0xffff_2000 - 0xffff_ffff    : unused (~55KB)
     */
    
    
    #if 0
    int platform_pci_get_irq(u_int bus, u_int slot, u_int func, u_int pin);
    
    /* Static device mappings. */
    const struct pmap_devmap pmap_devmap[] = {
            /*
             * Map the on-board devices VA == PA so that we can access them
             * with the MMU on or off.
             */
            { /* SoC integrated peripherals registers range */
                    MV_BASE,
                    MV_PHYS_BASE,
                    MV_SIZE,
                    VM_PROT_READ | VM_PROT_WRITE,
                    PTE_NOCACHE,
            },
            { /* PCIE I/O */
                    MV_PCIE_IO_BASE,
                    MV_PCIE_IO_PHYS_BASE,
                    MV_PCIE_IO_SIZE,
                    VM_PROT_READ | VM_PROT_WRITE,
                    PTE_NOCACHE,
            },
            { /* PCIE Memory */
                    MV_PCIE_MEM_BASE,
                    MV_PCIE_MEM_PHYS_BASE,
                   MV_PCIE_MEM_SIZE,
                   VM_PROT_READ | VM_PROT_WRITE,
                   PTE_NOCACHE,
           },
           { /* PCI I/O */
                   MV_PCI_IO_BASE,
                   MV_PCI_IO_PHYS_BASE,
                   MV_PCI_IO_SIZE,
                   VM_PROT_READ | VM_PROT_WRITE,
                   PTE_NOCACHE,
           },
           { /* PCI Memory */
                   MV_PCI_MEM_BASE,
                   MV_PCI_MEM_PHYS_BASE,
                   MV_PCI_MEM_SIZE,
                   VM_PROT_READ | VM_PROT_WRITE,
                   PTE_NOCACHE,
           },
           { /* 7-seg LED */
                   MV_DEV_CS0_BASE,
                   MV_DEV_CS0_PHYS_BASE,
                   MV_DEV_CS0_SIZE,
                   VM_PROT_READ | VM_PROT_WRITE,
                   PTE_NOCACHE,
           },
           { 0, 0, 0, 0, 0, }
   };
   
   /*
    * The pci_irq_map table consists of 3 columns:
    * - PCI slot number (less than zero means ANY).
    * - PCI IRQ pin (less than zero means ANY).
    * - PCI IRQ (less than zero marks end of table).
    *
    * IRQ number from the first matching entry is used to configure PCI device
    */
   
   /* PCI IRQ Map for DB-88F5281 */
   const struct obio_pci_irq_map pci_irq_map[] = {
           { 7, -1, GPIO2IRQ(12) },
           { 8, -1, GPIO2IRQ(13) },
           { 9, -1, GPIO2IRQ(13) },
           { -1, -1, -1 }
   };
   
   /* PCI IRQ Map for DB-88F5182 */
   const struct obio_pci_irq_map pci_irq_map[] = {
           { 7, -1, GPIO2IRQ(0) },
           { 8, -1, GPIO2IRQ(1) },
           { 9, -1, GPIO2IRQ(1) },
           { -1, -1, -1 }
   };
   #endif
   
   #if 0
   /*
    * mv_gpio_config row structure:
    *      <GPIO number>, <GPIO flags>, <GPIO mode>
    *
    * - GPIO pin number (less than zero marks end of table)
    * - GPIO flags:
    *      MV_GPIO_BLINK
    *      MV_GPIO_POLAR_LOW
    *      MV_GPIO_EDGE
    *      MV_GPIO_LEVEL
    * - GPIO mode:
    *      1       - Output, set to HIGH.
    *      0       - Output, set to LOW.
    *      -1      - Input.
    */
   
   /* GPIO Configuration for DB-88F5281 */
   const struct gpio_config mv_gpio_config[] = {
           { 12, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
           { 13, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
           { -1, -1, -1 }
   };
   
   #if 0
   /* GPIO Configuration for DB-88F5182 */
   const struct gpio_config mv_gpio_config[] = {
           { 0, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
           { 1, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
           { -1, -1, -1 }
   };
   #endif
   
   #endif

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