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| author | Ben Dooks <ben-linux@fluff.org> | 2007-05-28 18:19:16 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-05-30 13:15:23 +0100 |
| commit | eca8c2424171b6b6b2dcb0faa92dfddd1e3297d9 (patch) | |
| tree | 680afa1b68832a4a81f07d706e4249a0f4290afa /include/asm-arm | |
| parent | 486cab2ba25b469f7a8822e84fd43960a472e3d9 (diff) | |
| download | lwn-eca8c2424171b6b6b2dcb0faa92dfddd1e3297d9.tar.gz lwn-eca8c2424171b6b6b2dcb0faa92dfddd1e3297d9.zip | |
[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')
| -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 @@ +/* linux/include/asm-arm/arch-s3c2410/regs-s3c2412.h + * + * Copyright 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2412 specific register definitions +*/ + +#ifndef __ASM_ARCH_REGS_S3C2412_H +#define __ASM_ARCH_REGS_S3C2412_H "s3c2412" + +#define S3C2412_SWRST (S3C24XX_VA_CLKPWR + 0x30) +#define S3C2412_SWRST_RESET (0x533C2412) + +#endif /* __ASM_ARCH_REGS_S3C2412_H */ + |