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Kirkwood: allow to override CONFIG_SYS_TCLK

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This patch allow to override CONFIG_SYS_TCLK from board configuration
files. This is needed for the Network Space v2 which use a non standard
core clock frequency (166MHz instead of 200MHz for a 6281 SoC).

As a possible enhancement for 6281 and 6282 devices, TCLK could be
dynamically detected by checking the Sample at Reset register bit 21.

Additionally this patch fix a typo.

Signed-off-by: Simon Guinot <sguinot@lacie.com>
Acked-by: Prafulla Wadaskar <Prafulla@marvell.com>
This commit is contained in:
Simon Guinot 2011-05-03 21:17:34 +05:30 committed by Albert ARIBAUD
parent 2f22045be5
commit 29d53d19f3
1 changed files with 5 additions and 3 deletions
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8
arch/arm/include/asm/arch-kirkwood/kw88f6281.h
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@ -27,11 +27,13 @@
#ifndef _ASM_ARCH_KW88F6281_H #ifndef _ASM_ARCH_KW88F6281_H
#define _ASM_ARCH_KW88F6281_H #define _ASM_ARCH_KW88F6281_H
/* SOC specific definations */ /* SOC specific definitions */
#define KW88F6281_REGS_PHYS_BASE 0xf1000000 #define KW88F6281_REGS_PHYS_BASE 0xf1000000
#define KW_REGS_PHY_BASE KW88F6281_REGS_PHYS_BASE #define KW_REGS_PHY_BASE KW88F6281_REGS_PHYS_BASE
/* TCLK Core Clock defination*/ /* TCLK Core Clock definition */
#define CONFIG_SYS_TCLK 200000000 /* 200MHz */ #ifndef CONFIG_SYS_TCLK
#define CONFIG_SYS_TCLK 200000000 /* 200MHz */
#endif
#endif /* _ASM_ARCH_KW88F6281_H */ #endif /* _ASM_ARCH_KW88F6281_H */