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1 | /* SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | * |
3 | * include/asm-sh/cpu-sh4/sq.h |
4 | * |
5 | * Copyright (C) 2001, 2002, 2003 Paul Mundt |
6 | * Copyright (C) 2001, 2002 M. R. Brown |
7 | */ |
8 | #ifndef __ASM_CPU_SH4_SQ_H |
9 | #define __ASM_CPU_SH4_SQ_H |
10 | |
11 | #include <asm/addrspace.h> |
12 | #include <asm/page.h> |
13 | |
14 | /* |
15 | * Store queues range from e0000000-e3fffffc, allowing approx. 64MB to be |
16 | * mapped to any physical address space. Since data is written (and aligned) |
17 | * to 32-byte boundaries, we need to be sure that all allocations are aligned. |
18 | */ |
19 | #define SQ_SIZE 32 |
20 | #define SQ_ALIGN_MASK (~(SQ_SIZE - 1)) |
21 | #define SQ_ALIGN(addr) (((addr)+SQ_SIZE-1) & SQ_ALIGN_MASK) |
22 | |
23 | #define SQ_QACR0 (P4SEG_REG_BASE + 0x38) |
24 | #define SQ_QACR1 (P4SEG_REG_BASE + 0x3c) |
25 | #define SQ_ADDRMAX (P4SEG_STORE_QUE + 0x04000000) |
26 | |
27 | /* arch/sh/kernel/cpu/sh4/sq.c */ |
28 | unsigned long sq_remap(unsigned long phys, unsigned int size, |
29 | const char *name, pgprot_t prot); |
30 | void sq_unmap(unsigned long vaddr); |
31 | void sq_flush_range(unsigned long start, unsigned int len); |
32 | |
33 | #endif /* __ASM_CPU_SH4_SQ_H */ |
34 |
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