mirror of https://gitee.com/openkylin/linux.git
48 lines
924 B
C
48 lines
924 B
C
/*
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* Author: Armin Kuster <akuster@mvista.com>
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*
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* 2002 (c) MontaVista, Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*
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* This an attempt to get Power Management going for the IBM 4xx processor.
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* This was derived from the ppc4xx._setup.c file
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*/
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#include <linux/config.h>
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#include <linux/init.h>
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#include <asm/ibm4xx.h>
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void __init
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ppc4xx_pm_init(void)
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{
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unsigned int value = 0;
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/* turn off unused hardware to save power */
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#ifdef CONFIG_405GP
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value |= CPM_DCP; /* CodePack */
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#endif
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#if !defined(CONFIG_IBM_OCP_GPIO)
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value |= CPM_GPIO0;
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#endif
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#if !defined(CONFIG_PPC405_I2C_ADAP)
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value |= CPM_IIC0;
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#ifdef CONFIG_STB03xxx
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value |= CPM_IIC1;
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#endif
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#endif
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#if !defined(CONFIG_405_DMA)
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value |= CPM_DMA;
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#endif
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mtdcr(DCRN_CPMFR, value);
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}
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