2 * arch/arm/mach-iop32x/iq80321.c
4 * Board support code for the Intel IQ80321 platform.
6 * Author: Rory Bolt <rorybolt@pacbell.net>
7 * Copyright (C) 2002 Rory Bolt
8 * Copyright (C) 2004 Intel Corp.
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/pci.h>
20 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/serial_core.h>
23 #include <linux/serial_8250.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/platform_device.h>
27 #include <mach/hardware.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/pci.h>
32 #include <asm/mach/time.h>
33 #include <asm/mach-types.h>
35 #include <asm/pgtable.h>
36 #include <mach/time.h>
39 * IQ80321 timer tick configuration.
41 static void __init iq80321_timer_init(void)
43 /* 33.333 MHz crystal. */
44 iop_init_time(200000000);
47 static struct sys_timer iq80321_timer = {
48 .init = iq80321_timer_init,
55 static struct map_desc iq80321_io_desc[] __initdata = {
56 { /* on-board devices */
57 .virtual = IQ80321_UART,
58 .pfn = __phys_to_pfn(IQ80321_UART),
64 void __init iq80321_map_io(void)
67 iotable_init(iq80321_io_desc, ARRAY_SIZE(iq80321_io_desc));
75 iq80321_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
79 if ((slot == 2 || slot == 6) && pin == 1) {
81 irq = IRQ_IOP32X_XINT2;
82 } else if ((slot == 2 || slot == 6) && pin == 2) {
84 irq = IRQ_IOP32X_XINT3;
85 } else if ((slot == 2 || slot == 6) && pin == 3) {
87 irq = IRQ_IOP32X_XINT0;
88 } else if ((slot == 2 || slot == 6) && pin == 4) {
90 irq = IRQ_IOP32X_XINT1;
91 } else if (slot == 4 || slot == 8) {
93 irq = IRQ_IOP32X_XINT0;
95 printk(KERN_ERR "iq80321_pci_map_irq() called for unknown "
96 "device PCI:%d:%d:%d\n", dev->bus->number,
97 PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
104 static struct hw_pci iq80321_pci __initdata = {
105 .swizzle = pci_std_swizzle,
107 .setup = iop3xx_pci_setup,
108 .preinit = iop3xx_pci_preinit_cond,
109 .scan = iop3xx_pci_scan_bus,
110 .map_irq = iq80321_pci_map_irq,
113 static int __init iq80321_pci_init(void)
115 if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) &&
116 machine_is_iq80321())
117 pci_common_init(&iq80321_pci);
122 subsys_initcall(iq80321_pci_init);
126 * IQ80321 machine initialisation.
128 static struct physmap_flash_data iq80321_flash_data = {
132 static struct resource iq80321_flash_resource = {
135 .flags = IORESOURCE_MEM,
138 static struct platform_device iq80321_flash_device = {
139 .name = "physmap-flash",
142 .platform_data = &iq80321_flash_data,
145 .resource = &iq80321_flash_resource,
148 static struct plat_serial8250_port iq80321_serial_port[] = {
150 .mapbase = IQ80321_UART,
151 .membase = (char *)IQ80321_UART,
152 .irq = IRQ_IOP32X_XINT1,
153 .flags = UPF_SKIP_TEST,
161 static struct resource iq80321_uart_resource = {
162 .start = IQ80321_UART,
163 .end = IQ80321_UART + 7,
164 .flags = IORESOURCE_MEM,
167 static struct platform_device iq80321_serial_device = {
168 .name = "serial8250",
169 .id = PLAT8250_DEV_PLATFORM,
171 .platform_data = iq80321_serial_port,
174 .resource = &iq80321_uart_resource,
177 static void __init iq80321_init_machine(void)
179 platform_device_register(&iop3xx_i2c0_device);
180 platform_device_register(&iop3xx_i2c1_device);
181 platform_device_register(&iq80321_flash_device);
182 platform_device_register(&iq80321_serial_device);
183 platform_device_register(&iop3xx_dma_0_channel);
184 platform_device_register(&iop3xx_dma_1_channel);
185 platform_device_register(&iop3xx_aau_channel);
188 MACHINE_START(IQ80321, "Intel IQ80321")
189 /* Maintainer: Intel Corp. */
190 .phys_io = IQ80321_UART,
191 .io_pg_offst = ((IQ80321_UART) >> 18) & 0xfffc,
192 .boot_params = 0xa0000100,
193 .map_io = iq80321_map_io,
194 .init_irq = iop32x_init_irq,
195 .timer = &iq80321_timer,
196 .init_machine = iq80321_init_machine,