satip-axe/kernel/arch/sh/boards/mach-mb360/mach.c

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/*
* linux/arch/sh/boards/mb360/mach.c
*
* Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
* Machine vector for the STMicroelectronics STB1 HARP and compatible boards
*/
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/machvec.h>
#include <asm/led.h>
#include <asm/io_generic.h>
#include <mach/epld.h>
#include "../../../drivers/pci/pci-st40.h"
unsigned long stb1eval_isa_port2addr(unsigned long offset)
{
#ifdef CONFIG_PCI
/* This is something of a hack, to avoid problems with the IDE
* driver trying to access non-existant memory. So we only
* return valid addresses for PCI, and redirect everything else
* to somewhere safe.
*/
if ((offset >= PCIBIOS_MIN_IO) &&
(offset < ((64 * 1024) - PCIBIOS_MIN_IO + 1))) {
return offset + ST40PCI_IO_ADDRESS;
}
#endif
/* However picking somewhere safe isn't as easy as you might think.
* I used to use external ROM, but that can cause problems if you are
* in the middle of updating Flash. So I'm now using the processor core
* version register, which is guaranted to be available, and non-writable.
*/
return CCN_PVR;
}
static struct sh_machine_vector mv_stb1eval __initmv = {
.mv_nr_irqs = NR_IRQS,
.mv_isa_port2addr = stb1eval_isa_port2addr,
#ifdef CONFIG_PCI
.mv_init_irq = harp_init_irq,
#endif
#ifdef CONFIG_HEARTBEAT
.mv_heartbeat = heartbeat_heart,
#endif
};