1/* 2 * iq81340sc board support 3 * Copyright (c) 2005-2006, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 16 * Place - Suite 330, Boston, MA 02111-1307 USA. 17 * 18 */ 19#include <linux/pci.h> 20 21#include <mach/hardware.h> 22#include <asm/irq.h> 23#include <asm/mach/pci.h> 24#include <asm/mach-types.h> 25#include <asm/mach/arch.h> 26#include <mach/pci.h> 27#include <asm/mach/time.h> 28#include <mach/time.h> 29 30extern int init_atu; 31 32static int __init 33iq81340sc_atux_map_irq(struct pci_dev *dev, u8 idsel, u8 pin) 34{ 35 WARN_ON(idsel < 1 || idsel > 2); 36 37 switch (idsel) { 38 case 1: 39 switch (pin) { 40 case 1: return ATUX_INTB; 41 case 2: return ATUX_INTC; 42 case 3: return ATUX_INTD; 43 case 4: return ATUX_INTA; 44 default: return -1; 45 } 46 case 2: 47 switch (pin) { 48 case 1: return ATUX_INTC; 49 case 2: return ATUX_INTC; 50 case 3: return ATUX_INTC; 51 case 4: return ATUX_INTC; 52 default: return -1; 53 } 54 default: return -1; 55 } 56} 57 58static struct hw_pci iq81340sc_pci __initdata = { 59 .swizzle = pci_std_swizzle, 60 .nr_controllers = 0, 61 .setup = iop13xx_pci_setup, 62 .scan = iop13xx_scan_bus, 63 .map_irq = iq81340sc_atux_map_irq, 64 .preinit = iop13xx_pci_init 65}; 66 67static int __init iq81340sc_pci_init(void) 68{ 69 iop13xx_atu_select(&iq81340sc_pci); 70 pci_common_init(&iq81340sc_pci); 71 iop13xx_map_pci_memory(); 72 73 return 0; 74} 75 76static void __init iq81340sc_init(void) 77{ 78 iop13xx_platform_init(); 79 iq81340sc_pci_init(); 80 iop13xx_add_tpmi_devices(); 81} 82 83static void __init iq81340sc_timer_init(void) 84{ 85 unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio(); 86 printk(KERN_DEBUG "%s: bus frequency: %lu\n", __func__, bus_freq); 87 iop_init_time(bus_freq); 88} 89 90static struct sys_timer iq81340sc_timer = { 91 .init = iq81340sc_timer_init, 92}; 93 94MACHINE_START(IQ81340SC, "Intel IQ81340SC") 95 /* Maintainer: Dan Williams <dan.j.williams@intel.com> */ 96 .phys_io = IOP13XX_PMMR_PHYS_MEM_BASE, 97 .io_pg_offst = (IOP13XX_PMMR_VIRT_MEM_BASE >> 18) & 0xfffc, 98 .boot_params = 0x00000100, 99 .map_io = iop13xx_map_io, 100 .init_irq = iop13xx_init_irq, 101 .timer = &iq81340sc_timer, 102 .init_machine = iq81340sc_init, 103MACHINE_END 104