1/* 2 * arch/arm/mach-iop33x/iq80331.c 3 * 4 * Board support code for the Intel IQ80331 platform. 5 * 6 * Author: Dave Jiang <dave.jiang@intel.com> 7 * Copyright (C) 2003 Intel Corp. 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the 11 * Free Software Foundation; either version 2 of the License, or (at your 12 * option) any later version. 13 */ 14 15#include <linux/mm.h> 16#include <linux/init.h> 17#include <linux/kernel.h> 18#include <linux/pci.h> 19#include <linux/string.h> 20#include <linux/serial_core.h> 21#include <linux/serial_8250.h> 22#include <linux/mtd/physmap.h> 23#include <linux/platform_device.h> 24#include <linux/io.h> 25#include <mach/hardware.h> 26#include <asm/irq.h> 27#include <asm/mach/arch.h> 28#include <asm/mach/map.h> 29#include <asm/mach/pci.h> 30#include <asm/mach/time.h> 31#include <asm/mach-types.h> 32#include <asm/page.h> 33#include <asm/pgtable.h> 34#include <mach/time.h> 35 36/* 37 * IQ80331 timer tick configuration. 38 */ 39static void __init iq80331_timer_init(void) 40{ 41 /* D-Step parts run at a higher internal bus frequency */ 42 if (*IOP3XX_ATURID >= 0xa) 43 iop_init_time(333000000); 44 else 45 iop_init_time(266000000); 46} 47 48static struct sys_timer iq80331_timer = { 49 .init = iq80331_timer_init, 50}; 51 52 53/* 54 * IQ80331 PCI. 55 */ 56static int __init 57iq80331_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) 58{ 59 int irq; 60 61 if (slot == 1 && pin == 1) { 62 /* PCI-X Slot INTA */ 63 irq = IRQ_IOP33X_XINT1; 64 } else if (slot == 1 && pin == 2) { 65 /* PCI-X Slot INTB */ 66 irq = IRQ_IOP33X_XINT2; 67 } else if (slot == 1 && pin == 3) { 68 /* PCI-X Slot INTC */ 69 irq = IRQ_IOP33X_XINT3; 70 } else if (slot == 1 && pin == 4) { 71 /* PCI-X Slot INTD */ 72 irq = IRQ_IOP33X_XINT0; 73 } else if (slot == 2) { 74 /* GigE */ 75 irq = IRQ_IOP33X_XINT2; 76 } else { 77 printk(KERN_ERR "iq80331_pci_map_irq() called for unknown " 78 "device PCI:%d:%d:%d\n", dev->bus->number, 79 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); 80 irq = -1; 81 } 82 83 return irq; 84} 85 86static struct hw_pci iq80331_pci __initdata = { 87 .swizzle = pci_std_swizzle, 88 .nr_controllers = 1, 89 .setup = iop3xx_pci_setup, 90 .preinit = iop3xx_pci_preinit_cond, 91 .scan = iop3xx_pci_scan_bus, 92 .map_irq = iq80331_pci_map_irq, 93}; 94 95static int __init iq80331_pci_init(void) 96{ 97 if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) && 98 machine_is_iq80331()) 99 pci_common_init(&iq80331_pci); 100 101 return 0; 102} 103 104subsys_initcall(iq80331_pci_init); 105 106 107/* 108 * IQ80331 machine initialisation. 109 */ 110static struct physmap_flash_data iq80331_flash_data = { 111 .width = 1, 112}; 113 114static struct resource iq80331_flash_resource = { 115 .start = 0xc0000000, 116 .end = 0xc07fffff, 117 .flags = IORESOURCE_MEM, 118}; 119 120static struct platform_device iq80331_flash_device = { 121 .name = "physmap-flash", 122 .id = 0, 123 .dev = { 124 .platform_data = &iq80331_flash_data, 125 }, 126 .num_resources = 1, 127 .resource = &iq80331_flash_resource, 128}; 129 130static void __init iq80331_init_machine(void) 131{ 132 platform_device_register(&iop3xx_i2c0_device); 133 platform_device_register(&iop3xx_i2c1_device); 134 platform_device_register(&iop33x_uart0_device); 135 platform_device_register(&iop33x_uart1_device); 136 platform_device_register(&iq80331_flash_device); 137 platform_device_register(&iop3xx_dma_0_channel); 138 platform_device_register(&iop3xx_dma_1_channel); 139 platform_device_register(&iop3xx_aau_channel); 140} 141 142MACHINE_START(IQ80331, "Intel IQ80331") 143 /* Maintainer: Intel Corp. */ 144 .phys_io = 0xfefff000, 145 .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, 146 .boot_params = 0x00000100, 147 .map_io = iop3xx_map_io, 148 .init_irq = iop33x_init_irq, 149 .timer = &iq80331_timer, 150 .init_machine = iq80331_init_machine, 151MACHINE_END 152