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Diffstat (limited to 'include/asm-blackfin/page.h')
| -rw-r--r-- | include/asm-blackfin/page.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/include/asm-blackfin/page.h b/include/asm-blackfin/page.h deleted file mode 100644 index d59828c..0000000 --- a/include/asm-blackfin/page.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * U-boot - page.h - * - * Copyright (c) 2005 blackfin.uclinux.org - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _BLACKFIN_PAGE_H -#define _BLACKFIN_PAGE_H - -#include <linux/config.h> - -/* PAGE_SHIFT determines the page size */ - -#define PAGE_SHIFT (12) -#define PAGE_SIZE (4096) -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#ifdef __KERNEL__ - -#include <asm/setup.h> - -#if PAGE_SHIFT < 13 -#define KTHREAD_SIZE (8192) -#else -#define KTHREAD_SIZE PAGE_SIZE -#endif - -#ifndef __ASSEMBLY__ - -#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) -#define free_user_page(page, addr) free_page(addr) - -#define clear_page(page) memset((page), 0, PAGE_SIZE) -#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) - -#define clear_user_page(page, vaddr) clear_page(page) -#define copy_user_page(to, from, vaddr) copy_page(to, from) - -/* - * These are used to make use of C type-checking.. - */ -typedef struct { - unsigned long pte; -} pte_t; -typedef struct { - unsigned long pmd[16]; -} pmd_t; -typedef struct { - unsigned long pgd; -} pgd_t; -typedef struct { - unsigned long pgprot; -} pgprot_t; - -#define pte_val(x) ((x).pte) -#define pmd_val(x) ((&x)->pmd[0]) -#define pgd_val(x) ((x).pgd) -#define pgprot_val(x) ((x).pgprot) - -#define __pte(x) ((pte_t) { (x) } ) -#define __pmd(x) ((pmd_t) { (x) } ) -#define __pgd(x) ((pgd_t) { (x) } ) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -/* to align the pointer to the (next) page boundary */ -#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) - -/* Pure 2^n version of get_order */ -extern __inline__ int get_order(unsigned long size) -{ - int order; - - size = (size - 1) >> (PAGE_SHIFT - 1); - order = -1; - do { - size >>= 1; - order++; - } while (size); - return order; -} - -#endif /* !__ASSEMBLY__ */ - -#include <asm/page_offset.h> - -#define PAGE_OFFSET (PAGE_OFFSET_RAW) - -#ifndef __ASSEMBLY__ - -#define __pa(vaddr) virt_to_phys((void *)vaddr) -#define __va(paddr) phys_to_virt((unsigned long)paddr) - -#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT) -#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)) -#define VALID_PAGE(page) ((page - mem_map) < max_mapnr) - -#define PAGE_BUG(page) do { \ - BUG(); \ -} while (0) - -#endif - -#endif - -#endif |