The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
    5  * All rights reserved.
    6  *
    7  * Developed by Semihalf.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. Neither the name of MARVELL nor the names of contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  */
   33 
   34 #include <sys/cdefs.h>
   35 __FBSDID("$FreeBSD: head/sys/arm/mv/orion/db88f5xxx.c 326023 2017-11-20 19:43:44Z pfg $");
   36 
   37 #include <sys/param.h>
   38 #include <sys/systm.h>
   39 #include <sys/bus.h>
   40 #include <sys/kernel.h>
   41 
   42 #include <vm/vm.h>
   43 #include <vm/pmap.h>
   44 
   45 #include <machine/bus.h>
   46 #include <machine/intr.h>
   47 #include <machine/vmparam.h>
   48 
   49 #include <arm/mv/mvreg.h>
   50 #include <arm/mv/mvvar.h>
   51 #include <arm/mv/mvwin.h>
   52 
   53 /*
   54  * Virtual address space layout:
   55  * -----------------------------
   56  * 0x0000_0000 - 0xbfff_ffff    : user process
   57  *
   58  * 0xc040_0000 - virtual_avail  : kernel reserved (text, data, page tables
   59  *                              : structures, ARM stacks etc.)
   60  * virtual_avail - 0xefff_ffff  : KVA (virtual_avail is typically < 0xc0a0_0000)
   61  * 0xf000_0000 - 0xf0ff_ffff    : no-cache allocation area (16MB)
   62  * 0xf100_0000 - 0xf10f_ffff    : SoC integrated devices registers range (1MB)
   63  * 0xf110_0000 - 0xf11f_ffff    : PCI-Express I/O space (1MB)
   64  * 0xf120_0000 - 0xf12f_ffff    : PCI I/O space (1MB)
   65  * 0xf130_0000 - 0xf52f_ffff    : PCI-Express memory space (64MB)
   66  * 0xf530_0000 - 0xf92f_ffff    : PCI memory space (64MB)
   67  * 0xf930_0000 - 0xfffe_ffff    : unused (~108MB)
   68  * 0xffff_0000 - 0xffff_0fff    : 'high' vectors page (4KB)
   69  * 0xffff_1000 - 0xffff_1fff    : ARM_TP_ADDRESS/RAS page (4KB)
   70  * 0xffff_2000 - 0xffff_ffff    : unused (~55KB)
   71  */
   72 
   73 
   74 #if 0
   75 int platform_pci_get_irq(u_int bus, u_int slot, u_int func, u_int pin);
   76 
   77 /* Static device mappings. */
   78 const struct devmap_entry db88f5xxx_devmap[] = {
   79         /*
   80          * Map the on-board devices VA == PA so that we can access them
   81          * with the MMU on or off.
   82          */
   83         { /* SoC integrated peripherals registers range */
   84                 MV_BASE,
   85                 MV_PHYS_BASE,
   86                 MV_SIZE,
   87         },
   88         { /* PCIE I/O */
   89                 MV_PCIE_IO_BASE,
   90                 MV_PCIE_IO_PHYS_BASE,
   91                 MV_PCIE_IO_SIZE,
   92         },
   93         { /* PCIE Memory */
   94                 MV_PCIE_MEM_BASE,
   95                 MV_PCIE_MEM_PHYS_BASE,
   96                 MV_PCIE_MEM_SIZE,
   97         },
   98         { /* PCI I/O */
   99                 MV_PCI_IO_BASE,
  100                 MV_PCI_IO_PHYS_BASE,
  101                 MV_PCI_IO_SIZE,
  102         },
  103         { /* PCI Memory */
  104                 MV_PCI_MEM_BASE,
  105                 MV_PCI_MEM_PHYS_BASE,
  106                 MV_PCI_MEM_SIZE,
  107         },
  108         { /* 7-seg LED */
  109                 MV_DEV_CS0_BASE,
  110                 MV_DEV_CS0_PHYS_BASE,
  111                 MV_DEV_CS0_SIZE,
  112         },
  113         { 0, 0, 0, }
  114 };
  115 
  116 /*
  117  * The pci_irq_map table consists of 3 columns:
  118  * - PCI slot number (less than zero means ANY).
  119  * - PCI IRQ pin (less than zero means ANY).
  120  * - PCI IRQ (less than zero marks end of table).
  121  *
  122  * IRQ number from the first matching entry is used to configure PCI device
  123  */
  124 
  125 /* PCI IRQ Map for DB-88F5281 */
  126 const struct obio_pci_irq_map pci_irq_map[] = {
  127         { 7, -1, GPIO2IRQ(12) },
  128         { 8, -1, GPIO2IRQ(13) },
  129         { 9, -1, GPIO2IRQ(13) },
  130         { -1, -1, -1 }
  131 };
  132 
  133 /* PCI IRQ Map for DB-88F5182 */
  134 const struct obio_pci_irq_map pci_irq_map[] = {
  135         { 7, -1, GPIO2IRQ(0) },
  136         { 8, -1, GPIO2IRQ(1) },
  137         { 9, -1, GPIO2IRQ(1) },
  138         { -1, -1, -1 }
  139 };
  140 #endif
  141 
  142 #if 0
  143 /*
  144  * mv_gpio_config row structure:
  145  *      <GPIO number>, <GPIO flags>, <GPIO mode>
  146  *
  147  * - GPIO pin number (less than zero marks end of table)
  148  * - GPIO flags:
  149  *      MV_GPIO_BLINK
  150  *      MV_GPIO_POLAR_LOW
  151  *      MV_GPIO_EDGE
  152  *      MV_GPIO_LEVEL
  153  * - GPIO mode:
  154  *      1       - Output, set to HIGH.
  155  *      0       - Output, set to LOW.
  156  *      -1      - Input.
  157  */
  158 
  159 /* GPIO Configuration for DB-88F5281 */
  160 const struct gpio_config mv_gpio_config[] = {
  161         { 12, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  162         { 13, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  163         { -1, -1, -1 }
  164 };
  165 
  166 #if 0
  167 /* GPIO Configuration for DB-88F5182 */
  168 const struct gpio_config mv_gpio_config[] = {
  169         { 0, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  170         { 1, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  171         { -1, -1, -1 }
  172 };
  173 #endif
  174 
  175 #endif

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