diff options
author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_m68k/cache.c | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_m68k/cache.c')
-rw-r--r-- | lib_m68k/cache.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/lib_m68k/cache.c b/lib_m68k/cache.c deleted file mode 100644 index ed881783f1..0000000000 --- a/lib_m68k/cache.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * (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 - */ - -#include <common.h> -#include <asm/immap.h> -#include <asm/cache.h> - -volatile int *cf_icache_status = (int *)ICACHE_STATUS; -volatile int *cf_dcache_status = (int *)DCACHE_STATUS; - -void flush_cache(ulong start_addr, ulong size) -{ - /* Must be implemented for all M68k processors with copy-back data cache */ -} - -int icache_status(void) -{ - return *cf_icache_status; -} - -int dcache_status(void) -{ - return *cf_dcache_status; -} - -void icache_enable(void) -{ - icache_invalid(); - - *cf_icache_status = 1; - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr2"::"r"(CONFIG_SYS_CACHE_ACR2)); - __asm__ __volatile__("movec %0, %%acr3"::"r"(CONFIG_SYS_CACHE_ACR3)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr6"::"r"(CONFIG_SYS_CACHE_ACR6)); - __asm__ __volatile__("movec %0, %%acr7"::"r"(CONFIG_SYS_CACHE_ACR7)); -#else - __asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1)); -#endif - - __asm__ __volatile__("movec %0, %%cacr"::"r"(CONFIG_SYS_CACHE_ICACR)); -} - -void icache_disable(void) -{ - u32 temp = 0; - - *cf_icache_status = 0; - icache_invalid(); - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr2"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr3"::"r"(temp)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr6"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr7"::"r"(temp)); -#else - __asm__ __volatile__("movec %0, %%acr0"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(temp)); - -#endif -} - -void icache_invalid(void) -{ - u32 temp; - - temp = CONFIG_SYS_ICACHE_INV; - if (*cf_icache_status) - temp |= CONFIG_SYS_CACHE_ICACR; - - __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); -} - -/* - * data cache only for ColdFire V4 such as MCF547x_8x, MCF5445x - * the dcache will be dummy in ColdFire V2 and V3 - */ -void dcache_enable(void) -{ - dcache_invalid(); - *cf_dcache_status = 1; - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr4"::"r"(CONFIG_SYS_CACHE_ACR4)); - __asm__ __volatile__("movec %0, %%acr5"::"r"(CONFIG_SYS_CACHE_ACR5)); - -#endif - - __asm__ __volatile__("movec %0, %%cacr"::"r"(CONFIG_SYS_CACHE_DCACR)); -} - -void dcache_disable(void) -{ - u32 temp = 0; - - *cf_dcache_status = 0; - dcache_invalid(); - - __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr0"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(temp)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr4"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr5"::"r"(temp)); - -#endif -} - -void dcache_invalid(void) -{ -#ifdef CONFIG_CF_V4 - u32 temp; - - temp = CONFIG_SYS_DCACHE_INV; - if (*cf_dcache_status) - temp |= CONFIG_SYS_CACHE_DCACR; - if (*cf_icache_status) - temp |= CONFIG_SYS_CACHE_ICACR; - - __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); -#endif -} |