linux/arch/arm/mach-omap2/powerdomain-common.c
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  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

  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 #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

107 lines
2.9 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* 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
*/
#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;
}