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  * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
    3  * All rights reserved.
    4  *
    5  * Developed by Semihalf.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of MARVELL nor the names of contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD: releng/10.0/sys/arm/mv/orion/db88f5xxx.c 209131 2010-06-13 13:28:53Z raj $");
   34 
   35 #include <sys/param.h>
   36 #include <sys/systm.h>
   37 #include <sys/bus.h>
   38 #include <sys/kernel.h>
   39 
   40 #include <vm/vm.h>
   41 #include <vm/pmap.h>
   42 
   43 #include <machine/bus.h>
   44 #include <machine/intr.h>
   45 #include <machine/pte.h>
   46 #include <machine/pmap.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 pmap_devmap pmap_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                 VM_PROT_READ | VM_PROT_WRITE,
   88                 PTE_NOCACHE,
   89         },
   90         { /* PCIE I/O */
   91                 MV_PCIE_IO_BASE,
   92                 MV_PCIE_IO_PHYS_BASE,
   93                 MV_PCIE_IO_SIZE,
   94                 VM_PROT_READ | VM_PROT_WRITE,
   95                 PTE_NOCACHE,
   96         },
   97         { /* PCIE Memory */
   98                 MV_PCIE_MEM_BASE,
   99                 MV_PCIE_MEM_PHYS_BASE,
  100                 MV_PCIE_MEM_SIZE,
  101                 VM_PROT_READ | VM_PROT_WRITE,
  102                 PTE_NOCACHE,
  103         },
  104         { /* PCI I/O */
  105                 MV_PCI_IO_BASE,
  106                 MV_PCI_IO_PHYS_BASE,
  107                 MV_PCI_IO_SIZE,
  108                 VM_PROT_READ | VM_PROT_WRITE,
  109                 PTE_NOCACHE,
  110         },
  111         { /* PCI Memory */
  112                 MV_PCI_MEM_BASE,
  113                 MV_PCI_MEM_PHYS_BASE,
  114                 MV_PCI_MEM_SIZE,
  115                 VM_PROT_READ | VM_PROT_WRITE,
  116                 PTE_NOCACHE,
  117         },
  118         { /* 7-seg LED */
  119                 MV_DEV_CS0_BASE,
  120                 MV_DEV_CS0_PHYS_BASE,
  121                 MV_DEV_CS0_SIZE,
  122                 VM_PROT_READ | VM_PROT_WRITE,
  123                 PTE_NOCACHE,
  124         },
  125         { 0, 0, 0, 0, 0, }
  126 };
  127 
  128 /*
  129  * The pci_irq_map table consists of 3 columns:
  130  * - PCI slot number (less than zero means ANY).
  131  * - PCI IRQ pin (less than zero means ANY).
  132  * - PCI IRQ (less than zero marks end of table).
  133  *
  134  * IRQ number from the first matching entry is used to configure PCI device
  135  */
  136 
  137 /* PCI IRQ Map for DB-88F5281 */
  138 const struct obio_pci_irq_map pci_irq_map[] = {
  139         { 7, -1, GPIO2IRQ(12) },
  140         { 8, -1, GPIO2IRQ(13) },
  141         { 9, -1, GPIO2IRQ(13) },
  142         { -1, -1, -1 }
  143 };
  144 
  145 /* PCI IRQ Map for DB-88F5182 */
  146 const struct obio_pci_irq_map pci_irq_map[] = {
  147         { 7, -1, GPIO2IRQ(0) },
  148         { 8, -1, GPIO2IRQ(1) },
  149         { 9, -1, GPIO2IRQ(1) },
  150         { -1, -1, -1 }
  151 };
  152 #endif
  153 
  154 #if 0
  155 /*
  156  * mv_gpio_config row structure:
  157  *      <GPIO number>, <GPIO flags>, <GPIO mode>
  158  *
  159  * - GPIO pin number (less than zero marks end of table)
  160  * - GPIO flags:
  161  *      MV_GPIO_BLINK
  162  *      MV_GPIO_POLAR_LOW
  163  *      MV_GPIO_EDGE
  164  *      MV_GPIO_LEVEL
  165  * - GPIO mode:
  166  *      1       - Output, set to HIGH.
  167  *      0       - Output, set to LOW.
  168  *      -1      - Input.
  169  */
  170 
  171 /* GPIO Configuration for DB-88F5281 */
  172 const struct gpio_config mv_gpio_config[] = {
  173         { 12, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  174         { 13, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  175         { -1, -1, -1 }
  176 };
  177 
  178 #if 0
  179 /* GPIO Configuration for DB-88F5182 */
  180 const struct gpio_config mv_gpio_config[] = {
  181         { 0, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  182         { 1, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 },
  183         { -1, -1, -1 }
  184 };
  185 #endif
  186 
  187 #endif

Cache object: 64b8ece80d73e6ea205f06b6b9aae234


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