diff options
author | Markus Klotzbuecher <mk@denx.de> | 2007-04-23 13:17:22 +0200 |
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committer | Markus Klotzbuecher <mk@pollux.denx.de> | 2007-04-23 13:17:22 +0200 |
commit | 61ea75aa07838435ec570ac85a2e3fc038844596 (patch) | |
tree | 20135a513c4c9d0bddb2a8ceaf009a8ed5e8bbdf /lib_blackfin/bf533_string.c | |
parent | e2fb36a57f364016b973b1db255531e07cfefd52 (diff) | |
parent | 14da5f7675bbb427c469e3f45006e027b6e21db9 (diff) |
Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'lib_blackfin/bf533_string.c')
-rw-r--r-- | lib_blackfin/bf533_string.c | 90 |
1 files changed, 42 insertions, 48 deletions
diff --git a/lib_blackfin/bf533_string.c b/lib_blackfin/bf533_string.c index 85b115076af..1553f1b5ac4 100644 --- a/lib_blackfin/bf533_string.c +++ b/lib_blackfin/bf533_string.c @@ -1,7 +1,7 @@ /* * U-boot - bf533_string.c Contains library routines. * - * Copyright (c) 2005 blackfin.uclinux.org + * Copyright (c) 2005-2007 Analog Devices Inc. * * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -21,22 +21,16 @@ * * 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 + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA */ #include <common.h> #include <asm/setup.h> -#include <asm/page.h> #include <config.h> #include <asm/blackfin.h> #include <asm/io.h> - -extern void blackfin_icache_flush_range(const void *, const void *); -extern void blackfin_dcache_flush_range(const void *, const void *); -extern void *memcpy_ASM(void *dest, const void *src, size_t count); - -void *dma_memcpy(void *, const void *, size_t); +#include "cache.h" char *strcpy(char *dest, const char *src) { @@ -118,44 +112,7 @@ int strncmp(const char *cs, const char *ct, size_t count) return __res1; } -/* - * memcpy - Copy one area of memory to another - * @dest: Where to copy to - * @src: Where to copy from - * @count: The size of the area. - * - * You should not use this function to access IO space, use memcpy_toio() - * or memcpy_fromio() instead. - */ -void *memcpy(void *dest, const void *src, size_t count) -{ - char *tmp = (char *)dest, *s = (char *)src; - - /* L1_ISRAM can only be accessed via dma */ - if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) { - /* L1 is the destination */ - dma_memcpy(dest, src, count); - - if (icache_status()) { - blackfin_icache_flush_range(src, src + count); - } - } else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) { - /* L1 is the source */ - dma_memcpy(dest, src, count); - - if (icache_status()) { - blackfin_icache_flush_range(dest, dest + count); - } - if (dcache_status()) { - blackfin_dcache_flush_range(dest, dest + count); - } - } else { - memcpy_ASM(dest, src, count); - } - return dest; -} - -void *dma_memcpy(void *dest, const void *src, size_t count) +static void *dma_memcpy(void *dest, const void *src, size_t count) { *pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR; @@ -189,3 +146,40 @@ void *dma_memcpy(void *dest, const void *src, size_t count) src += count; return dest; } + +/* + * memcpy - Copy one area of memory to another + * @dest: Where to copy to + * @src: Where to copy from + * @count: The size of the area. + * + * You should not use this function to access IO space, use memcpy_toio() + * or memcpy_fromio() instead. + */ +extern void *memcpy_ASM(void *dest, const void *src, size_t count); +void *memcpy(void *dest, const void *src, size_t count) +{ + char *tmp = (char *) dest, *s = (char *) src; + + if (dcache_status()) { + blackfin_dcache_flush_range(src, src+count); + } + /* L1_ISRAM can only be accessed via dma */ + if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) { + /* L1 is the destination */ + dma_memcpy(dest,src,count); + } else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) { + /* L1 is the source */ + dma_memcpy(dest,src,count); + + if (icache_status()) { + blackfin_icache_flush_range(dest, dest+count); + } + if (dcache_status()) { + blackfin_dcache_invalidate_range(dest, dest+count); + } + } else { + memcpy_ASM(dest,src,count); + } + return dest; +} |