From 3cc30d0726d258ac336283bcde66a8ab58283b61 Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Mon, 11 Apr 2011 21:25:01 +0000 Subject: powerpc/pci: Move IO workarounds to the common kernel dir Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Michael Ellerman Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/io-workarounds.h | 49 +++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 arch/powerpc/include/asm/io-workarounds.h (limited to 'arch/powerpc/include') diff --git a/arch/powerpc/include/asm/io-workarounds.h b/arch/powerpc/include/asm/io-workarounds.h new file mode 100644 index 00000000000..6efc7782ebf --- /dev/null +++ b/arch/powerpc/include/asm/io-workarounds.h @@ -0,0 +1,49 @@ +/* + * Support PCI IO workaround + * + * (C) Copyright 2007-2008 TOSHIBA CORPORATION + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _IO_WORKAROUNDS_H +#define _IO_WORKAROUNDS_H + +#include +#include + +/* Bus info */ +struct iowa_bus { + struct pci_controller *phb; + struct ppc_pci_io *ops; + void *private; +}; + +void __devinit io_workaround_init(void); +void __devinit iowa_register_bus(struct pci_controller *, struct ppc_pci_io *, + int (*)(struct iowa_bus *, void *), void *); +struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR); +struct iowa_bus *iowa_pio_find_bus(unsigned long); + +extern struct ppc_pci_io spiderpci_ops; +extern int spiderpci_iowa_init(struct iowa_bus *, void *); + +#define SPIDER_PCI_REG_BASE 0xd000 +#define SPIDER_PCI_REG_SIZE 0x1000 +#define SPIDER_PCI_VCI_CNTL_STAT 0x0110 +#define SPIDER_PCI_DUMMY_READ 0x0810 +#define SPIDER_PCI_DUMMY_READ_BASE 0x0814 + +#endif /* _IO_WORKAROUNDS_H */ -- cgit v1.2.3