diff options
author | Paul Mundt <lethal@linux-sh.org> | 2008-07-29 08:09:44 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-07-29 08:09:44 +0900 |
commit | f15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch) | |
tree | 774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/cpu-sh4/cpu/sq.h | |
parent | 25326277d8d1393d1c66240e6255aca780f9e3eb (diff) |
sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac.
Most of the moving about was done with Sam's directions at:
http://marc.info/?l=linux-sh&m=121724823706062&w=2
with subsequent hacking and fixups entirely my fault.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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 00000000000..586d6491816 --- /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 */ |