forked from Minki/linux
c04dc9a6bf
Convert shark to use the fixed i/o mapping and remove io.h. This shrinks the mapping from 256MB to 1MB, but nothing is using that much space AFAICT. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
/*
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* linux/arch/arm/mach-shark/pci.c
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*
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* PCI bios-type initialisation for PCI machines
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*
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* Bits taken from various places.
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*/
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <video/vga.h>
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#include <asm/irq.h>
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#include <asm/mach/pci.h>
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#include <asm/mach-types.h>
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#define IO_START 0x40000000
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static int __init shark_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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if (dev->bus->number == 0)
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if (dev->devfn == 0)
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return 255;
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else
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return 11;
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else
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return 255;
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}
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extern void __init via82c505_preinit(void);
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static struct hw_pci shark_pci __initdata = {
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.setup = via82c505_setup,
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.map_irq = shark_map_irq,
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.nr_controllers = 1,
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.ops = &via82c505_ops,
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.preinit = via82c505_preinit,
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};
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static int __init shark_pci_init(void)
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{
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if (!machine_is_shark())
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return;
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pcibios_min_io = 0x6000;
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pcibios_min_mem = 0x50000000;
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vga_base = 0xe8000000;
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pci_ioremap_io(0, IO_START);
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pci_common_init(&shark_pci);
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return 0;
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}
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subsys_initcall(shark_pci_init);
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