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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d1109b7529
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/*
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* Support PCI IO workaround
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*
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* (C) Copyright 2007-2008 TOSHIBA CORPORATION
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _IO_WORKAROUNDS_H
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#define _IO_WORKAROUNDS_H
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#include <linux/io.h>
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#include <asm/pci-bridge.h>
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/* Bus info */
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struct iowa_bus {
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struct pci_controller *phb;
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struct ppc_pci_io *ops;
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void *private;
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};
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void __devinit iowa_register_bus(struct pci_controller *, struct ppc_pci_io *,
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int (*)(struct iowa_bus *, void *), void *);
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struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR);
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struct iowa_bus *iowa_pio_find_bus(unsigned long);
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extern struct ppc_pci_io spiderpci_ops;
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extern int spiderpci_iowa_init(struct iowa_bus *, void *);
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#define SPIDER_PCI_REG_BASE 0xd000
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#define SPIDER_PCI_REG_SIZE 0x1000
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#define SPIDER_PCI_VCI_CNTL_STAT 0x0110
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#define SPIDER_PCI_DUMMY_READ 0x0810
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#define SPIDER_PCI_DUMMY_READ_BASE 0x0814
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#endif /* _IO_WORKAROUNDS_H */
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