| /* |
| * 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> |
| #include <asm/page.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, pgprot_t prot); |
| void sq_unmap(unsigned long vaddr); |
| void sq_flush_range(unsigned long start, unsigned int len); |
| |
| #endif /* __ASM_CPU_SH4_SQ_H */ |
