diff options
Diffstat (limited to 'arch/ia64/sn/kernel/iomv.c')
| -rw-r--r-- | arch/ia64/sn/kernel/iomv.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c index 7ce3cdad627..c77ebdf9811 100644 --- a/arch/ia64/sn/kernel/iomv.c +++ b/arch/ia64/sn/kernel/iomv.c @@ -1,12 +1,13 @@ -/* +/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2000-2003 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2000-2003, 2006 Silicon Graphics, Inc. All rights reserved. */ #include <linux/module.h> +#include <linux/acpi.h> #include <asm/io.h> #include <asm/delay.h> #include <asm/vga.h> @@ -15,6 +16,7 @@ #include <asm/sn/pda.h> #include <asm/sn/sn_cpuid.h> #include <asm/sn/shub_mmr.h> +#include <asm/sn/acpi.h> #define IS_LEGACY_VGA_IOPORT(p) \ (((p) >= 0x3b0 && (p) <= 0x3bb) || ((p) >= 0x3c0 && (p) <= 0x3df)) @@ -24,18 +26,22 @@ * @port: port to convert * * Legacy in/out instructions are converted to ld/st instructions - * on IA64. This routine will convert a port number into a valid + * on IA64. This routine will convert a port number into a valid * SN i/o address. Used by sn_in*() and sn_out*(). */ + void *sn_io_addr(unsigned long port) { if (!IS_RUNNING_ON_SIMULATOR()) { if (IS_LEGACY_VGA_IOPORT(port)) - port += vga_console_iobase; + return (__ia64_mk_io_addr(port)); /* On sn2, legacy I/O ports don't point at anything */ if (port < (64 * 1024)) return NULL; - return ((void *)(port | __IA64_UNCACHED_OFFSET)); + if (SN_ACPI_BASE_SUPPORT()) + return (__ia64_mk_io_addr(port)); + else + return ((void *)(port | __IA64_UNCACHED_OFFSET)); } else { /* but the simulator uses them... */ unsigned long addr; @@ -57,7 +63,7 @@ EXPORT_SYMBOL(sn_io_addr); /** * __sn_mmiowb - I/O space memory barrier * - * See include/asm-ia64/io.h and Documentation/DocBook/deviceiobook.tmpl + * See arch/ia64/include/asm/io.h and Documentation/DocBook/deviceiobook.tmpl * for details. * * On SN2, we wait for the PIO_WRITE_STATUS SHub register to clear. |