diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2008-07-27 23:00:59 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2008-07-27 23:00:59 +0200 |
| commit | a439fe51a1f8eb087c22dd24d69cebae4a3addac (patch) | |
| tree | e32d1fa97a220ab598d8ab364205817c5bf2bd6f /arch/sparc/include/asm/msi.h | |
| parent | 837b41b5de356aa67abb2cadb5eef3efc7776f91 (diff) | |
sparc, sparc64: use arch/sparc/include
The majority of this patch was created by the following script:
***
ASM=arch/sparc/include/asm
mkdir -p $ASM
git mv include/asm-sparc64/ftrace.h $ASM
git rm include/asm-sparc64/*
git mv include/asm-sparc/* $ASM
sed -ie 's/asm-sparc64/asm/g' $ASM/*
sed -ie 's/asm-sparc/asm/g' $ASM/*
***
The rest was an update of the top-level Makefile to use sparc
for header files when sparc64 is being build.
And a small fixlet to pick up the correct unistd.h from
sparc64 code.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'arch/sparc/include/asm/msi.h')
| -rw-r--r-- | arch/sparc/include/asm/msi.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/msi.h b/arch/sparc/include/asm/msi.h new file mode 100644 index 00000000000..724ca566705 --- /dev/null +++ b/arch/sparc/include/asm/msi.h @@ -0,0 +1,31 @@ +/* + * msi.h: Defines specific to the MBus - Sbus - Interface. + * + * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be) + */ + +#ifndef _SPARC_MSI_H +#define _SPARC_MSI_H + +/* + * Locations of MSI Registers. + */ +#define MSI_MBUS_ARBEN 0xe0001008 /* MBus Arbiter Enable register */ + +/* + * Useful bits in the MSI Registers. + */ +#define MSI_ASYNC_MODE 0x80000000 /* Operate the MSI asynchronously */ + + +static inline void msi_set_sync(void) +{ + __asm__ __volatile__ ("lda [%0] %1, %%g3\n\t" + "andn %%g3, %2, %%g3\n\t" + "sta %%g3, [%0] %1\n\t" : : + "r" (MSI_MBUS_ARBEN), + "i" (ASI_M_CTL), "r" (MSI_ASYNC_MODE) : "g3"); +} + +#endif /* !(_SPARC_MSI_H) */ |