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[Blackfin] arch: Add a warning about the value of CLKIN.

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Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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Sonic Zhang 2008-04-25 04:39:28 +08:00 committed by Bryan Wu
parent 1e78042c77
commit 2fb6cb41ec
1 changed files with 3 additions and 1 deletions
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arch/blackfin/Kconfig
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@ -289,7 +289,7 @@ config BOOT_LOAD
comment "Clock/PLL Setup" comment "Clock/PLL Setup"
config CLKIN_HZ config CLKIN_HZ
int "Crystal Frequency in Hz" int "Frequency of the crystal on the board in Hz"
default "11059200" if BFIN533_STAMP default "11059200" if BFIN533_STAMP
default "27000000" if BFIN533_EZKIT default "27000000" if BFIN533_EZKIT
default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS) default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS)
@ -298,6 +298,8 @@ config CLKIN_HZ
default "10000000" if BFIN532_IP0X default "10000000" if BFIN532_IP0X
help help
The frequency of CLKIN crystal oscillator on the board in Hz. The frequency of CLKIN crystal oscillator on the board in Hz.
Warning: This value should match the crystal on the board. Otherwise,
peripherals won't work properly.
config BFIN_KERNEL_CLOCK config BFIN_KERNEL_CLOCK
bool "Re-program Clocks while Kernel boots?" bool "Re-program Clocks while Kernel boots?"