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/*
* Common powerdomain framework functions
*
* Copyright (C) 2010-2011 Texas Instruments, Inc.
* Copyright (C) 2010 Nokia Corporation
*
* Derived from mach-omap2/powerdomain.c written by Paul Walmsley
*
* 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.
*/
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/bug.h>
#include "pm.h"
#include "cm.h"
#include "cm-regbits-34xx.h"
#include "cm-regbits-44xx.h"
#include "prm-regbits-34xx.h"
#include "prm-regbits-44xx.h"
/*
* OMAP3 and OMAP4 specific register bit initialisations
* Notice that the names here are not according to each power
* domain but the bit mapping used applies to all of them
*/
/* OMAP3 and OMAP4 Memory Onstate Masks (common across all power domains) */
#define OMAP_MEM0_ONSTATE_MASK OMAP3430_SHAREDL1CACHEFLATONSTATE_MASK
#define OMAP_MEM1_ONSTATE_MASK OMAP3430_L1FLATMEMONSTATE_MASK
#define OMAP_MEM2_ONSTATE_MASK OMAP3430_SHAREDL2CACHEFLATONSTATE_MASK
#define OMAP_MEM3_ONSTATE_MASK OMAP3430_L2FLATMEMONSTATE_MASK
#define OMAP_MEM4_ONSTATE_MASK OMAP4430_OCP_NRET_BANK_ONSTATE_MASK
/* OMAP3 and OMAP4 Memory Retstate Masks (common across all power domains) */
#define OMAP_MEM0_RETSTATE_MASK OMAP3430_SHAREDL1CACHEFLATRETSTATE_MASK
#define OMAP_MEM1_RETSTATE_MASK OMAP3430_L1FLATMEMRETSTATE_MASK
#define OMAP_MEM2_RETSTATE_MASK OMAP3430_SHAREDL2CACHEFLATRETSTATE_MASK
#define OMAP_MEM3_RETSTATE_MASK OMAP3430_L2FLATMEMRETSTATE_MASK
#define OMAP_MEM4_RETSTATE_MASK OMAP4430_OCP_NRET_BANK_RETSTATE_MASK
/* OMAP3 and OMAP4 Memory Status bits */
#define OMAP_MEM0_STATEST_MASK OMAP3430_SHAREDL1CACHEFLATSTATEST_MASK
#define OMAP_MEM1_STATEST_MASK OMAP3430_L1FLATMEMSTATEST_MASK
#define OMAP_MEM2_STATEST_MASK OMAP3430_SHAREDL2CACHEFLATSTATEST_MASK
#define OMAP_MEM3_STATEST_MASK OMAP3430_L2FLATMEMSTATEST_MASK
#define OMAP_MEM4_STATEST_MASK OMAP4430_OCP_NRET_BANK_STATEST_MASK
/* Common Internal functions used across OMAP rev's*/
u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank)
{
switch (bank) {
case 0:
return OMAP_MEM0_ONSTATE_MASK;
case 1:
return OMAP_MEM1_ONSTATE_MASK;
case 2:
return OMAP_MEM2_ONSTATE_MASK;
case 3:
return OMAP_MEM3_ONSTATE_MASK;
case 4:
return OMAP_MEM4_ONSTATE_MASK;
default:
WARN_ON(1); /* should never happen */
return -EEXIST;
}
return 0;
}
u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank)
{
switch (bank) {
case 0:
return OMAP_MEM0_RETSTATE_MASK;
case 1:
return OMAP_MEM1_RETSTATE_MASK;
case 2:
return OMAP_MEM2_RETSTATE_MASK;
case 3:
return OMAP_MEM3_RETSTATE_MASK;
case 4:
return OMAP_MEM4_RETSTATE_MASK;
default:
WARN_ON(1); /* should never happen */
return -EEXIST;
}
return 0;
}
u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank)
{
switch (bank) {
case 0:
return OMAP_MEM0_STATEST_MASK;
case 1:
return OMAP_MEM1_STATEST_MASK;
case 2:
return OMAP_MEM2_STATEST_MASK;
case 3:
return OMAP_MEM3_STATEST_MASK;
case 4:
return OMAP_MEM4_STATEST_MASK;
default:
WARN_ON(1); /* should never happen */
return -EEXIST;
}
return 0;
}
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