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author | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /arch/mips/include/asm/sn/io.h | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
download | op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'arch/mips/include/asm/sn/io.h')
-rw-r--r-- | arch/mips/include/asm/sn/io.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/io.h b/arch/mips/include/asm/sn/io.h new file mode 100644 index 0000000..24c6775 --- /dev/null +++ b/arch/mips/include/asm/sn/io.h @@ -0,0 +1,59 @@ +/* + * 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 Ralf Baechle + * Copyright (C) 2000 Silicon Graphics, Inc. + */ +#ifndef _ASM_SN_IO_H +#define _ASM_SN_IO_H + +#if defined(CONFIG_SGI_IP27) +#include <asm/sn/sn0/hubio.h> +#endif + + +#define IIO_ITTE_BASE 0x400160 /* base of translation table entries */ +#define IIO_ITTE(bigwin) (IIO_ITTE_BASE + 8*(bigwin)) + +#define IIO_ITTE_OFFSET_BITS 5 /* size of offset field */ +#define IIO_ITTE_OFFSET_MASK ((1<<IIO_ITTE_OFFSET_BITS)-1) +#define IIO_ITTE_OFFSET_SHIFT 0 + +#define IIO_ITTE_WIDGET_BITS 4 /* size of widget field */ +#define IIO_ITTE_WIDGET_MASK ((1<<IIO_ITTE_WIDGET_BITS)-1) +#define IIO_ITTE_WIDGET_SHIFT 8 + +#define IIO_ITTE_IOSP 1 /* I/O Space bit */ +#define IIO_ITTE_IOSP_MASK 1 +#define IIO_ITTE_IOSP_SHIFT 12 +#define HUB_PIO_MAP_TO_MEM 0 +#define HUB_PIO_MAP_TO_IO 1 + +#define IIO_ITTE_INVALID_WIDGET 3 /* an invalid widget */ + +#define IIO_ITTE_PUT(nasid, bigwin, io_or_mem, widget, addr) \ + REMOTE_HUB_S((nasid), IIO_ITTE(bigwin), \ + (((((addr) >> BWIN_SIZE_BITS) & \ + IIO_ITTE_OFFSET_MASK) << IIO_ITTE_OFFSET_SHIFT) | \ + (io_or_mem << IIO_ITTE_IOSP_SHIFT) | \ + (((widget) & IIO_ITTE_WIDGET_MASK) << IIO_ITTE_WIDGET_SHIFT))) + +#define IIO_ITTE_DISABLE(nasid, bigwin) \ + IIO_ITTE_PUT((nasid), HUB_PIO_MAP_TO_MEM, \ + (bigwin), IIO_ITTE_INVALID_WIDGET, 0) + +#define IIO_ITTE_GET(nasid, bigwin) REMOTE_HUB_ADDR((nasid), IIO_ITTE(bigwin)) + +/* + * Macro which takes the widget number, and returns the + * IO PRB address of that widget. + * value _x is expected to be a widget number in the range + * 0, 8 - 0xF + */ +#define IIO_IOPRB(_x) (IIO_IOPRB_0 + ( ( (_x) < HUB_WIDGET_ID_MIN ? \ + (_x) : \ + (_x) - (HUB_WIDGET_ID_MIN-1)) << 3) ) + +#endif /* _ASM_SN_IO_H */ |