153 lines
3.6 KiB
C
153 lines
3.6 KiB
C
/*
|
|
* arch/arm/mach-iop33x/iq80332.c
|
|
*
|
|
* Board support code for the Intel IQ80332 platform.
|
|
*
|
|
* Author: Dave Jiang <dave.jiang@intel.com>
|
|
* Copyright (C) 2004 Intel Corp.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
|
|
#include <linux/mm.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/string.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/serial_core.h>
|
|
#include <linux/serial_8250.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/pci.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/page.h>
|
|
#include <asm/pgtable.h>
|
|
#include <mach/time.h>
|
|
|
|
/*
|
|
* IQ80332 timer tick configuration.
|
|
*/
|
|
static void __init iq80332_timer_init(void)
|
|
{
|
|
/* D-Step parts and the iop333 run at a higher internal bus frequency */
|
|
if (*IOP3XX_ATURID >= 0xa || *IOP3XX_ATUDID == 0x374)
|
|
iop_init_time(333000000);
|
|
else
|
|
iop_init_time(266000000);
|
|
}
|
|
|
|
static struct sys_timer iq80332_timer = {
|
|
.init = iq80332_timer_init,
|
|
.offset = iop_gettimeoffset,
|
|
};
|
|
|
|
|
|
/*
|
|
* IQ80332 PCI.
|
|
*/
|
|
static int __init
|
|
iq80332_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
|
|
{
|
|
int irq;
|
|
|
|
if (slot == 4 && pin == 1) {
|
|
/* PCI-X Slot INTA */
|
|
irq = IRQ_IOP33X_XINT0;
|
|
} else if (slot == 4 && pin == 2) {
|
|
/* PCI-X Slot INTB */
|
|
irq = IRQ_IOP33X_XINT1;
|
|
} else if (slot == 4 && pin == 3) {
|
|
/* PCI-X Slot INTC */
|
|
irq = IRQ_IOP33X_XINT2;
|
|
} else if (slot == 4 && pin == 4) {
|
|
/* PCI-X Slot INTD */
|
|
irq = IRQ_IOP33X_XINT3;
|
|
} else if (slot == 6) {
|
|
/* GigE */
|
|
irq = IRQ_IOP33X_XINT2;
|
|
} else {
|
|
printk(KERN_ERR "iq80332_pci_map_irq() called for unknown "
|
|
"device PCI:%d:%d:%d\n", dev->bus->number,
|
|
PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
|
|
irq = -1;
|
|
}
|
|
|
|
return irq;
|
|
}
|
|
|
|
static struct hw_pci iq80332_pci __initdata = {
|
|
.swizzle = pci_std_swizzle,
|
|
.nr_controllers = 1,
|
|
.setup = iop3xx_pci_setup,
|
|
.preinit = iop3xx_pci_preinit_cond,
|
|
.scan = iop3xx_pci_scan_bus,
|
|
.map_irq = iq80332_pci_map_irq,
|
|
};
|
|
|
|
static int __init iq80332_pci_init(void)
|
|
{
|
|
if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) &&
|
|
machine_is_iq80332())
|
|
pci_common_init(&iq80332_pci);
|
|
|
|
return 0;
|
|
}
|
|
|
|
subsys_initcall(iq80332_pci_init);
|
|
|
|
|
|
/*
|
|
* IQ80332 machine initialisation.
|
|
*/
|
|
static struct physmap_flash_data iq80332_flash_data = {
|
|
.width = 1,
|
|
};
|
|
|
|
static struct resource iq80332_flash_resource = {
|
|
.start = 0xc0000000,
|
|
.end = 0xc07fffff,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device iq80332_flash_device = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &iq80332_flash_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &iq80332_flash_resource,
|
|
};
|
|
|
|
static void __init iq80332_init_machine(void)
|
|
{
|
|
platform_device_register(&iop3xx_i2c0_device);
|
|
platform_device_register(&iop3xx_i2c1_device);
|
|
platform_device_register(&iop33x_uart0_device);
|
|
platform_device_register(&iop33x_uart1_device);
|
|
platform_device_register(&iq80332_flash_device);
|
|
platform_device_register(&iop3xx_dma_0_channel);
|
|
platform_device_register(&iop3xx_dma_1_channel);
|
|
platform_device_register(&iop3xx_aau_channel);
|
|
}
|
|
|
|
MACHINE_START(IQ80332, "Intel IQ80332")
|
|
/* Maintainer: Intel Corp. */
|
|
.phys_io = 0xfefff000,
|
|
.io_pg_offst = ((0xfffff000) >> 18) & 0xfffc,
|
|
.boot_params = 0x00000100,
|
|
.map_io = iop3xx_map_io,
|
|
.init_irq = iop33x_init_irq,
|
|
.timer = &iq80332_timer,
|
|
.init_machine = iq80332_init_machine,
|
|
MACHINE_END
|