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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-24 10:31:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-24 10:31:34 +0200 |
| commit | e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30 (patch) | |
| tree | 77926550ac0c31b1423bcf193a4ed0ecb7fda2c1 /arch/sh/include/cpu-sh4/cpu/sq.h | |
| parent | d4738792fb86600b6cb7220459d9c47e819b3580 (diff) | |
| parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) | |
| download | kernel_samsung_espresso10-e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30.zip kernel_samsung_espresso10-e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30.tar.gz kernel_samsung_espresso10-e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30.tar.bz2 | |
Merge commit 'v2.6.27-rc7' into x86/microcode
Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/sq.h')
| -rw-r--r-- | arch/sh/include/cpu-sh4/cpu/sq.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/sq.h b/arch/sh/include/cpu-sh4/cpu/sq.h new file mode 100644 index 0000000..586d649 --- /dev/null +++ b/arch/sh/include/cpu-sh4/cpu/sq.h @@ -0,0 +1,35 @@ +/* + * include/asm-sh/cpu-sh4/sq.h + * + * Copyright (C) 2001, 2002, 2003 Paul Mundt + * Copyright (C) 2001, 2002 M. R. Brown + * + * 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. + */ +#ifndef __ASM_CPU_SH4_SQ_H +#define __ASM_CPU_SH4_SQ_H + +#include <asm/addrspace.h> + +/* + * Store queues range from e0000000-e3fffffc, allowing approx. 64MB to be + * mapped to any physical address space. Since data is written (and aligned) + * to 32-byte boundaries, we need to be sure that all allocations are aligned. + */ +#define SQ_SIZE 32 +#define SQ_ALIGN_MASK (~(SQ_SIZE - 1)) +#define SQ_ALIGN(addr) (((addr)+SQ_SIZE-1) & SQ_ALIGN_MASK) + +#define SQ_QACR0 (P4SEG_REG_BASE + 0x38) +#define SQ_QACR1 (P4SEG_REG_BASE + 0x3c) +#define SQ_ADDRMAX (P4SEG_STORE_QUE + 0x04000000) + +/* arch/sh/kernel/cpu/sh4/sq.c */ +unsigned long sq_remap(unsigned long phys, unsigned int size, + const char *name, unsigned long flags); +void sq_unmap(unsigned long vaddr); +void sq_flush_range(unsigned long start, unsigned int len); + +#endif /* __ASM_CPU_SH4_SQ_H */ |