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