2 * arch/arm/mach-iop33x/iq80331.c
4 * Board support code for the Intel IQ80331 platform.
6 * Author: Dave Jiang <dave.jiang@intel.com>
7 * Copyright (C) 2003 Intel Corp.
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.
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/pci.h>
19 #include <linux/string.h>
20 #include <linux/slab.h>
21 #include <linux/serial_core.h>
22 #include <linux/serial_8250.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/platform_device.h>
25 #include <asm/hardware.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/mach/pci.h>
31 #include <asm/mach/time.h>
32 #include <asm/mach-types.h>
34 #include <asm/pgtable.h>
37 * IQ80331 timer tick configuration.
39 static void __init iq80331_timer_init(void)
41 /* D-Step parts run at a higher internal bus frequency */
42 if (*IOP3XX_ATURID >= 0xa)
43 iop3xx_init_time(333000000);
45 iop3xx_init_time(266000000);
48 static struct sys_timer iq80331_timer = {
49 .init = iq80331_timer_init,
50 .offset = iop3xx_gettimeoffset,
57 static inline int __init
58 iq80331_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
62 if (slot == 1 && pin == 1) {
64 irq = IRQ_IOP33X_XINT1;
65 } else if (slot == 1 && pin == 2) {
67 irq = IRQ_IOP33X_XINT2;
68 } else if (slot == 1 && pin == 3) {
70 irq = IRQ_IOP33X_XINT3;
71 } else if (slot == 1 && pin == 4) {
73 irq = IRQ_IOP33X_XINT0;
74 } else if (slot == 2) {
76 irq = IRQ_IOP33X_XINT2;
78 printk(KERN_ERR "iq80331_pci_map_irq() called for unknown "
79 "device PCI:%d:%d:%d\n", dev->bus->number,
80 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
87 static struct hw_pci iq80331_pci __initdata = {
88 .swizzle = pci_std_swizzle,
90 .setup = iop3xx_pci_setup,
91 .preinit = iop3xx_pci_preinit,
92 .scan = iop3xx_pci_scan_bus,
93 .map_irq = iq80331_pci_map_irq,
96 static int __init iq80331_pci_init(void)
98 if (machine_is_iq80331())
99 pci_common_init(&iq80331_pci);
104 subsys_initcall(iq80331_pci_init);
108 * IQ80331 machine initialisation.
110 static struct physmap_flash_data iq80331_flash_data = {
114 static struct resource iq80331_flash_resource = {
117 .flags = IORESOURCE_MEM,
120 static struct platform_device iq80331_flash_device = {
121 .name = "physmap-flash",
124 .platform_data = &iq80331_flash_data,
127 .resource = &iq80331_flash_resource,
130 static void __init iq80331_init_machine(void)
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);
139 MACHINE_START(IQ80331, "Intel IQ80331")
140 /* Maintainer: Intel Corp. */
141 .phys_io = 0xfefff000,
142 .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc,
143 .boot_params = 0x00000100,
144 .map_io = iop3xx_map_io,
145 .init_irq = iop33x_init_irq,
146 .timer = &iq80331_timer,
147 .init_machine = iq80331_init_machine,