diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-02 10:55:55 +0100 | 
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-02 21:32:35 +0100 | 
| commit | 4baa9922430662431231ac637adedddbb0cfb2d7 (patch) | |
| tree | e8fb765ce3e41c01f33de34a0bc9494f0ae19818 /arch/arm/include/asm/pgtable-hwdef.h | |
| parent | ff4db0a043a5dee7180bdffd178e61cd02812c68 (diff) | |
[ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/pgtable-hwdef.h')
| -rw-r--r-- | arch/arm/include/asm/pgtable-hwdef.h | 90 | 
1 files changed, 90 insertions, 0 deletions
| diff --git a/arch/arm/include/asm/pgtable-hwdef.h b/arch/arm/include/asm/pgtable-hwdef.h new file mode 100644 index 000000000000..fd1521d5cb9d --- /dev/null +++ b/arch/arm/include/asm/pgtable-hwdef.h @@ -0,0 +1,90 @@ +/* + *  arch/arm/include/asm/pgtable-hwdef.h + * + *  Copyright (C) 1995-2002 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _ASMARM_PGTABLE_HWDEF_H +#define _ASMARM_PGTABLE_HWDEF_H + +/* + * Hardware page table definitions. + * + * + Level 1 descriptor (PMD) + *   - common + */ +#define PMD_TYPE_MASK		(3 << 0) +#define PMD_TYPE_FAULT		(0 << 0) +#define PMD_TYPE_TABLE		(1 << 0) +#define PMD_TYPE_SECT		(2 << 0) +#define PMD_BIT4		(1 << 4) +#define PMD_DOMAIN(x)		((x) << 5) +#define PMD_PROTECTION		(1 << 9)	/* v5 */ +/* + *   - section + */ +#define PMD_SECT_BUFFERABLE	(1 << 2) +#define PMD_SECT_CACHEABLE	(1 << 3) +#define PMD_SECT_XN		(1 << 4)	/* v6 */ +#define PMD_SECT_AP_WRITE	(1 << 10) +#define PMD_SECT_AP_READ	(1 << 11) +#define PMD_SECT_TEX(x)		((x) << 12)	/* v5 */ +#define PMD_SECT_APX		(1 << 15)	/* v6 */ +#define PMD_SECT_S		(1 << 16)	/* v6 */ +#define PMD_SECT_nG		(1 << 17)	/* v6 */ +#define PMD_SECT_SUPER		(1 << 18)	/* v6 */ + +#define PMD_SECT_UNCACHED	(0) +#define PMD_SECT_BUFFERED	(PMD_SECT_BUFFERABLE) +#define PMD_SECT_WT		(PMD_SECT_CACHEABLE) +#define PMD_SECT_WB		(PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) +#define PMD_SECT_MINICACHE	(PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) +#define PMD_SECT_WBWA		(PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) +#define PMD_SECT_NONSHARED_DEV	(PMD_SECT_TEX(2)) + +/* + *   - coarse table (not used) + */ + +/* + * + Level 2 descriptor (PTE) + *   - common + */ +#define PTE_TYPE_MASK		(3 << 0) +#define PTE_TYPE_FAULT		(0 << 0) +#define PTE_TYPE_LARGE		(1 << 0) +#define PTE_TYPE_SMALL		(2 << 0) +#define PTE_TYPE_EXT		(3 << 0)	/* v5 */ +#define PTE_BUFFERABLE		(1 << 2) +#define PTE_CACHEABLE		(1 << 3) + +/* + *   - extended small page/tiny page + */ +#define PTE_EXT_XN		(1 << 0)	/* v6 */ +#define PTE_EXT_AP_MASK		(3 << 4) +#define PTE_EXT_AP0		(1 << 4) +#define PTE_EXT_AP1		(2 << 4) +#define PTE_EXT_AP_UNO_SRO	(0 << 4) +#define PTE_EXT_AP_UNO_SRW	(PTE_EXT_AP0) +#define PTE_EXT_AP_URO_SRW	(PTE_EXT_AP1) +#define PTE_EXT_AP_URW_SRW	(PTE_EXT_AP1|PTE_EXT_AP0) +#define PTE_EXT_TEX(x)		((x) << 6)	/* v5 */ +#define PTE_EXT_APX		(1 << 9)	/* v6 */ +#define PTE_EXT_COHERENT	(1 << 9)	/* XScale3 */ +#define PTE_EXT_SHARED		(1 << 10)	/* v6 */ +#define PTE_EXT_NG		(1 << 11)	/* v6 */ + +/* + *   - small page + */ +#define PTE_SMALL_AP_MASK	(0xff << 4) +#define PTE_SMALL_AP_UNO_SRO	(0x00 << 4) +#define PTE_SMALL_AP_UNO_SRW	(0x55 << 4) +#define PTE_SMALL_AP_URO_SRW	(0xaa << 4) +#define PTE_SMALL_AP_URW_SRW	(0xff << 4) + +#endif | 
