diff options
author | Ben Dooks <ben-linux@fluff.org> | 2007-05-28 13:19:16 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-05-30 08:15:23 -0400 |
commit | eca8c2424171b6b6b2dcb0faa92dfddd1e3297d9 (patch) | |
tree | 680afa1b68832a4a81f07d706e4249a0f4290afa /include/asm-arm/arch-s3c2410 | |
parent | 486cab2ba25b469f7a8822e84fd43960a472e3d9 (diff) |
[ARM] 4412/1: S3C2412: reset errata fix
The S3C2412 has an reset-errata where the clock
may cause a glitch switching back to EXTCLK. We
force a switch to EXTCLK before writing the
reset register to force use of the CLKCON sync
logic to properly switch.
Fix problem reported by Matthieu Castet.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-s3c2410')
-rw-r--r-- | include/asm-arm/arch-s3c2410/regs-s3c2412.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-arm/arch-s3c2410/regs-s3c2412.h b/include/asm-arm/arch-s3c2410/regs-s3c2412.h new file mode 100644 index 000000000000..8ca6a3bc8555 --- /dev/null +++ b/include/asm-arm/arch-s3c2410/regs-s3c2412.h | |||
@@ -0,0 +1,21 @@ | |||
1 | /* linux/include/asm-arm/arch-s3c2410/regs-s3c2412.h | ||
2 | * | ||
3 | * Copyright 2007 Simtec Electronics | ||
4 | * http://armlinux.simtec.co.uk/ | ||
5 | * Ben Dooks <ben@simtec.co.uk> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | * | ||
11 | * S3C2412 specific register definitions | ||
12 | */ | ||
13 | |||
14 | #ifndef __ASM_ARCH_REGS_S3C2412_H | ||
15 | #define __ASM_ARCH_REGS_S3C2412_H "s3c2412" | ||
16 | |||
17 | #define S3C2412_SWRST (S3C24XX_VA_CLKPWR + 0x30) | ||
18 | #define S3C2412_SWRST_RESET (0x533C2412) | ||
19 | |||
20 | #endif /* __ASM_ARCH_REGS_S3C2412_H */ | ||
21 | |||