diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/include/asm/cacheflush.h')
| -rw-r--r-- | target/linux/ubicom32/files/arch/ubicom32/include/asm/cacheflush.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/include/asm/cacheflush.h b/target/linux/ubicom32/files/arch/ubicom32/include/asm/cacheflush.h deleted file mode 100644 index 10a8141e5c..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/include/asm/cacheflush.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * arch/ubicom32/include/asm/cacheflush.h - * Cache flushing definitions for Ubicom32 architecture. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#ifndef _ASM_UBICOM32_CACHEFLUSH_H -#define _ASM_UBICOM32_CACHEFLUSH_H - -/* - * (C) Copyright 2000-2004, Greg Ungerer <gerg@snapgear.com> - */ -#include <linux/mm.h> -#include <asm/cachectl.h> -#include <asm/ip5000.h> - -#define flush_cache_all() __flush_cache_all() -#define flush_cache_mm(mm) do { } while (0) -#define flush_cache_dup_mm(mm) do { } while (0) -#define flush_cache_range(vma, start, end) __flush_cache_all() -#define flush_cache_page(vma, vmaddr) do { } while (0) -#define flush_dcache_page(page) do { } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) - -#define flush_dcache_range(start, end) \ -do { \ - /* Flush the data cache and invalidate the I cache. */ \ - mem_cache_control(DCCR_BASE, start, end, CCR_CTRL_FLUSH_ADDR); \ - mem_cache_control(ICCR_BASE, start, end, CCR_CTRL_INV_ADDR); \ -} while (0) - -#define flush_icache_range(start, end) \ -do { \ - /* Flush the data cache and invalidate the I cache. */ \ - mem_cache_control(DCCR_BASE, start, end, CCR_CTRL_FLUSH_ADDR); \ - mem_cache_control(ICCR_BASE, start, end, CCR_CTRL_INV_ADDR); \ -} while (0) - -#define flush_icache_page(vma,pg) do { } while (0) -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) -#define flush_cache_vmap(start, end) do { } while (0) -#define flush_cache_vunmap(start, end) do { } while (0) - -#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) - -/* - * Cache handling for IP5000 - */ -extern inline void mem_cache_invalidate_all(unsigned long cc) -{ - if (cc == DCCR_BASE) - UBICOM32_LOCK(DCCR_LOCK_BIT); - else - UBICOM32_LOCK(ICCR_LOCK_BIT); - - asm volatile ( - " bset "D(CCR_CTRL)"(%0), "D(CCR_CTRL)"(%0), #"D(CCR_CTRL_RESET)" \n\t" - " nop \n\t" - " bclr "D(CCR_CTRL)"(%0), "D(CCR_CTRL)"(%0), #"D(CCR_CTRL_RESET)" \n\t" - " pipe_flush 0 \n\t" - : - : "a"(cc) - : "cc" - ); - - if (cc == DCCR_BASE) - UBICOM32_UNLOCK(DCCR_LOCK_BIT); - else - UBICOM32_UNLOCK(ICCR_LOCK_BIT); - -} - -static inline void __flush_cache_all(void) -{ - /* - * Flush Icache - */ - mem_cache_invalidate_all(ICCR_BASE); - - /* - * Flush Dcache - */ - mem_cache_invalidate_all(DCCR_BASE); -} - -#endif /* _ASM_UBICOM32_CACHEFLUSH_H */ |