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("$FreeBSD$"); 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/vmparam.h> 47 48 #include <arm/mv/mvreg.h> 49 #include <arm/mv/mvvar.h> 50 #include <arm/mv/mvwin.h> 51 52 /* 53 * Virtual address space layout: 54 * ----------------------------- 55 * 0x0000_0000 - 0xbfff_ffff : user process 56 * 57 * 0xc040_0000 - virtual_avail : kernel reserved (text, data, page tables 58 * : structures, ARM stacks etc.) 59 * virtual_avail - 0xefff_ffff : KVA (virtual_avail is typically < 0xc0a0_0000) 60 * 0xf000_0000 - 0xf0ff_ffff : no-cache allocation area (16MB) 61 * 0xf100_0000 - 0xf10f_ffff : SoC integrated devices registers range (1MB) 62 * 0xf110_0000 - 0xf11f_ffff : PCI-Express I/O space (1MB) 63 * 0xf120_0000 - 0xf12f_ffff : PCI I/O space (1MB) 64 * 0xf130_0000 - 0xf52f_ffff : PCI-Express memory space (64MB) 65 * 0xf530_0000 - 0xf92f_ffff : PCI memory space (64MB) 66 * 0xf930_0000 - 0xfffe_ffff : unused (~108MB) 67 * 0xffff_0000 - 0xffff_0fff : 'high' vectors page (4KB) 68 * 0xffff_1000 - 0xffff_1fff : ARM_TP_ADDRESS/RAS page (4KB) 69 * 0xffff_2000 - 0xffff_ffff : unused (~55KB) 70 */ 71 72 73 #if 0 74 int platform_pci_get_irq(u_int bus, u_int slot, u_int func, u_int pin); 75 76 /* Static device mappings. */ 77 const struct pmap_devmap pmap_devmap[] = { 78 /* 79 * Map the on-board devices VA == PA so that we can access them 80 * with the MMU on or off. 81 */ 82 { /* SoC integrated peripherals registers range */ 83 MV_BASE, 84 MV_PHYS_BASE, 85 MV_SIZE, 86 VM_PROT_READ | VM_PROT_WRITE, 87 PTE_DEVICE, 88 }, 89 { /* PCIE I/O */ 90 MV_PCIE_IO_BASE, 91 MV_PCIE_IO_PHYS_BASE, 92 MV_PCIE_IO_SIZE, 93 VM_PROT_READ | VM_PROT_WRITE, 94 PTE_DEVICE, 95 }, 96 { /* PCIE Memory */ 97 MV_PCIE_MEM_BASE, 98 MV_PCIE_MEM_PHYS_BASE, 99 MV_PCIE_MEM_SIZE, 100 VM_PROT_READ | VM_PROT_WRITE, 101 PTE_DEVICE, 102 }, 103 { /* PCI I/O */ 104 MV_PCI_IO_BASE, 105 MV_PCI_IO_PHYS_BASE, 106 MV_PCI_IO_SIZE, 107 VM_PROT_READ | VM_PROT_WRITE, 108 PTE_DEVICE, 109 }, 110 { /* PCI Memory */ 111 MV_PCI_MEM_BASE, 112 MV_PCI_MEM_PHYS_BASE, 113 MV_PCI_MEM_SIZE, 114 VM_PROT_READ | VM_PROT_WRITE, 115 PTE_DEVICE, 116 }, 117 { /* 7-seg LED */ 118 MV_DEV_CS0_BASE, 119 MV_DEV_CS0_PHYS_BASE, 120 MV_DEV_CS0_SIZE, 121 VM_PROT_READ | VM_PROT_WRITE, 122 PTE_DEVICE, 123 }, 124 { 0, 0, 0, 0, 0, } 125 }; 126 127 /* 128 * The pci_irq_map table consists of 3 columns: 129 * - PCI slot number (less than zero means ANY). 130 * - PCI IRQ pin (less than zero means ANY). 131 * - PCI IRQ (less than zero marks end of table). 132 * 133 * IRQ number from the first matching entry is used to configure PCI device 134 */ 135 136 /* PCI IRQ Map for DB-88F5281 */ 137 const struct obio_pci_irq_map pci_irq_map[] = { 138 { 7, -1, GPIO2IRQ(12) }, 139 { 8, -1, GPIO2IRQ(13) }, 140 { 9, -1, GPIO2IRQ(13) }, 141 { -1, -1, -1 } 142 }; 143 144 /* PCI IRQ Map for DB-88F5182 */ 145 const struct obio_pci_irq_map pci_irq_map[] = { 146 { 7, -1, GPIO2IRQ(0) }, 147 { 8, -1, GPIO2IRQ(1) }, 148 { 9, -1, GPIO2IRQ(1) }, 149 { -1, -1, -1 } 150 }; 151 #endif 152 153 #if 0 154 /* 155 * mv_gpio_config row structure: 156 * <GPIO number>, <GPIO flags>, <GPIO mode> 157 * 158 * - GPIO pin number (less than zero marks end of table) 159 * - GPIO flags: 160 * MV_GPIO_BLINK 161 * MV_GPIO_POLAR_LOW 162 * MV_GPIO_EDGE 163 * MV_GPIO_LEVEL 164 * - GPIO mode: 165 * 1 - Output, set to HIGH. 166 * 0 - Output, set to LOW. 167 * -1 - Input. 168 */ 169 170 /* GPIO Configuration for DB-88F5281 */ 171 const struct gpio_config mv_gpio_config[] = { 172 { 12, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 }, 173 { 13, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 }, 174 { -1, -1, -1 } 175 }; 176 177 #if 0 178 /* GPIO Configuration for DB-88F5182 */ 179 const struct gpio_config mv_gpio_config[] = { 180 { 0, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 }, 181 { 1, MV_GPIO_POLAR_LOW | MV_GPIO_LEVEL, -1 }, 182 { -1, -1, -1 } 183 }; 184 #endif 185 186 #endif 187