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/serial_core.h>
22 #include <linux/serial_8250.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/platform_device.h>
26 #include <mach/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>
35 #include <mach/time.h>
38 * IQ80321 timer tick configuration.
40 static void __init
iq80321_timer_init(void)
42 /* 33.333 MHz crystal. */
43 iop_init_time(200000000);
46 static struct sys_timer iq80321_timer
= {
47 .init
= iq80321_timer_init
,
54 static struct map_desc iq80321_io_desc
[] __initdata
= {
55 { /* on-board devices */
56 .virtual = IQ80321_UART
,
57 .pfn
= __phys_to_pfn(IQ80321_UART
),
63 void __init
iq80321_map_io(void)
66 iotable_init(iq80321_io_desc
, ARRAY_SIZE(iq80321_io_desc
));
74 iq80321_pci_map_irq(const struct pci_dev
*dev
, u8 slot
, u8 pin
)
78 if ((slot
== 2 || slot
== 6) && pin
== 1) {
80 irq
= IRQ_IOP32X_XINT2
;
81 } else if ((slot
== 2 || slot
== 6) && pin
== 2) {
83 irq
= IRQ_IOP32X_XINT3
;
84 } else if ((slot
== 2 || slot
== 6) && pin
== 3) {
86 irq
= IRQ_IOP32X_XINT0
;
87 } else if ((slot
== 2 || slot
== 6) && pin
== 4) {
89 irq
= IRQ_IOP32X_XINT1
;
90 } else if (slot
== 4 || slot
== 8) {
92 irq
= IRQ_IOP32X_XINT0
;
94 printk(KERN_ERR
"iq80321_pci_map_irq() called for unknown "
95 "device PCI:%d:%d:%d\n", dev
->bus
->number
,
96 PCI_SLOT(dev
->devfn
), PCI_FUNC(dev
->devfn
));
103 static struct hw_pci iq80321_pci __initdata
= {
106 .setup
= iop3xx_pci_setup
,
107 .preinit
= iop3xx_pci_preinit_cond
,
108 .map_irq
= iq80321_pci_map_irq
,
111 static int __init
iq80321_pci_init(void)
113 if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE
) &&
114 machine_is_iq80321())
115 pci_common_init(&iq80321_pci
);
120 subsys_initcall(iq80321_pci_init
);
124 * IQ80321 machine initialisation.
126 static struct physmap_flash_data iq80321_flash_data
= {
130 static struct resource iq80321_flash_resource
= {
133 .flags
= IORESOURCE_MEM
,
136 static struct platform_device iq80321_flash_device
= {
137 .name
= "physmap-flash",
140 .platform_data
= &iq80321_flash_data
,
143 .resource
= &iq80321_flash_resource
,
146 static struct plat_serial8250_port iq80321_serial_port
[] = {
148 .mapbase
= IQ80321_UART
,
149 .membase
= (char *)IQ80321_UART
,
150 .irq
= IRQ_IOP32X_XINT1
,
151 .flags
= UPF_SKIP_TEST
,
159 static struct resource iq80321_uart_resource
= {
160 .start
= IQ80321_UART
,
161 .end
= IQ80321_UART
+ 7,
162 .flags
= IORESOURCE_MEM
,
165 static struct platform_device iq80321_serial_device
= {
166 .name
= "serial8250",
167 .id
= PLAT8250_DEV_PLATFORM
,
169 .platform_data
= iq80321_serial_port
,
172 .resource
= &iq80321_uart_resource
,
175 static void __init
iq80321_init_machine(void)
177 platform_device_register(&iop3xx_i2c0_device
);
178 platform_device_register(&iop3xx_i2c1_device
);
179 platform_device_register(&iq80321_flash_device
);
180 platform_device_register(&iq80321_serial_device
);
181 platform_device_register(&iop3xx_dma_0_channel
);
182 platform_device_register(&iop3xx_dma_1_channel
);
183 platform_device_register(&iop3xx_aau_channel
);
186 MACHINE_START(IQ80321
, "Intel IQ80321")
187 /* Maintainer: Intel Corp. */
188 .atag_offset
= 0x100,
189 .map_io
= iq80321_map_io
,
190 .init_irq
= iop32x_init_irq
,
191 .timer
= &iq80321_timer
,
192 .init_machine
= iq80321_init_machine
,
193 .restart
= iop3xx_restart
,