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author | Minkyu Kang <mk7.kang@samsung.com> | 2010-05-10 15:20:50 +0900 |
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committer | Minkyu Kang <mk7.kang@samsung.com> | 2010-05-10 15:20:50 +0900 |
commit | 9d62f20d0861ef87460d073dc189c851715b46ae (patch) | |
tree | 43a05c86e947f01079879735ddf93218870df50b /post/lib_powerpc/multi.c | |
parent | 6596753387c3310b86f75bebe464684d70651052 (diff) | |
parent | e0531f975ce124f4ebdd9c7b7b107673c5628f68 (diff) | |
download | u-boot-imx-9d62f20d0861ef87460d073dc189c851715b46ae.zip u-boot-imx-9d62f20d0861ef87460d073dc189c851715b46ae.tar.gz u-boot-imx-9d62f20d0861ef87460d073dc189c851715b46ae.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Conflicts:
arch/arm/include/asm/mach-types.h
common/serial.c
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'post/lib_powerpc/multi.c')
-rw-r--r-- | post/lib_powerpc/multi.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/post/lib_powerpc/multi.c b/post/lib_powerpc/multi.c new file mode 100644 index 0000000..e42a7c0 --- /dev/null +++ b/post/lib_powerpc/multi.c @@ -0,0 +1,82 @@ +/* + * (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> + +/* + * CPU test + * Load/store multiple word instructions: lmw, stmw + * + * 26 consecutive words are loaded from a source memory buffer + * into GPRs r6 through r31. After that, 26 consecutive words are stored + * from the GPRs r6 through r31 into a target memory buffer. The contents + * of the source and target buffers are then compared. + */ + +#include <post.h> +#include "cpu_asm.h" + +#if CONFIG_POST & CONFIG_SYS_POST_CPU + +extern void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); + +int cpu_post_test_multi (void) +{ + int ret = 0; + unsigned int i; + int flag = disable_interrupts(); + + if (ret == 0) + { + ulong src [26], dst [26]; + + ulong code[] = + { + ASM_LMW(5, 3, 0), + ASM_STMW(5, 4, 0), + ASM_BLR, + }; + + for (i = 0; i < sizeof(src) / sizeof(src[0]); i ++) + { + src[i] = i; + dst[i] = 0; + } + + cpu_post_exec_02(code, (ulong)src, (ulong)dst); + + ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1; + } + + if (ret != 0) + { + post_log ("Error at multi test !\n"); + } + + if (flag) + enable_interrupts(); + + return ret; +} + +#endif |