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author | Minkyu Kang <mk7.kang@samsung.com> | 2009-06-25 19:21:33 +0900 |
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committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-06-26 00:02:35 +0200 |
commit | 6bde171a4c4116cee179167cb65335a28f99932d (patch) | |
tree | 27566c517b8ed19080d3e4013e60ba16730b9328 /cpu/arm1176/s3c64xx/reset.S | |
parent | 576afd4faeba1519bcb8c0083c3e4d45e5643a48 (diff) | |
download | u-boot-imx-6bde171a4c4116cee179167cb65335a28f99932d.zip u-boot-imx-6bde171a4c4116cee179167cb65335a28f99932d.tar.gz u-boot-imx-6bde171a4c4116cee179167cb65335a28f99932d.tar.bz2 |
s3c64xx: move the reset_cpu function
Because of the reset_cpu is soc specific, should be move to soc
And read reset value from SYS_ID register instead of hard code
this patch also supports s3c6410
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'cpu/arm1176/s3c64xx/reset.S')
-rw-r--r-- | cpu/arm1176/s3c64xx/reset.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/cpu/arm1176/s3c64xx/reset.S b/cpu/arm1176/s3c64xx/reset.S new file mode 100644 index 0000000..315b13f --- /dev/null +++ b/cpu/arm1176/s3c64xx/reset.S @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2009 Samsung Electronics. + * Minkyu Kang <mk7.kang@samsung.com> + * + * 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 <s3c6400.h> + +.globl reset_cpu +reset_cpu: + ldr r1, =ELFIN_CLOCK_POWER_BASE + ldr r2, [r1, #SYS_ID_OFFSET] + ldr r3, =0xffff + and r2, r3, r2, lsr #12 + str r2, [r1, #SW_RST_OFFSET] +_loop_forever: + b _loop_forever |