110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*
|
|
* 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 "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;
|
|
}
|
|
|