X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Flib%2Fcache.c;h=6cc136aa3c1e6baeddded6fd8c670e62aac23243;hp=30686fe69b739af3c04b9902ba01c5ba3fa87e01;hb=e7538fee991308c16f76f7eca2517089f2a30ff4;hpb=1032d97496f6d534bf0030a5779ff1cb38cc9ebf diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index 30686fe69b..6cc136aa3c 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -2,32 +2,16 @@ * (C) Copyright 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ /* for now: just dummy functions to satisfy the linker */ #include -void flush_cache (unsigned long dummy1, unsigned long dummy2) +void __flush_cache(unsigned long start, unsigned long size) { -#if defined(CONFIG_OMAP2420) || defined(CONFIG_ARM1136) +#if defined(CONFIG_ARM1136) void arm1136_cache_flush(void); arm1136_cache_flush(); @@ -37,11 +21,31 @@ void flush_cache (unsigned long dummy1, unsigned long dummy2) asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory"); /* disable write buffer as well (page 2-22) */ asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0)); -#endif -#ifdef CONFIG_OMAP34XX - void v7_flush_cache_all(void); - - v7_flush_cache_all(); #endif return; } +void flush_cache(unsigned long start, unsigned long size) + __attribute__((weak, alias("__flush_cache"))); + +/* + * Default implementation: + * do a range flush for the entire range + */ +void __flush_dcache_all(void) +{ + flush_cache(0, ~0); +} +void flush_dcache_all(void) + __attribute__((weak, alias("__flush_dcache_all"))); + + +/* + * Default implementation of enable_caches() + * Real implementation should be in platform code + */ +void __enable_caches(void) +{ + puts("WARNING: Caches not enabled\n"); +} +void enable_caches(void) + __attribute__((weak, alias("__enable_caches")));