8e1ff676ef
Add the possible logic retention states for the 24xx CORE powerdomain. Subsequent patches use this data to avoid returning incorrect data, by skipping reads from register bitfields that don't actually exist. Signed-off-by: Paul Walmsley <paul@pwsan.com>
137 lines
3 KiB
C
137 lines
3 KiB
C
/*
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* OMAP2XXX powerdomain definitions
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*
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* Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
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* Copyright (C) 2007-2011 Nokia Corporation
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*
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* Paul Walmsley, Jouni Högander
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include "soc.h"
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#include "powerdomain.h"
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#include "powerdomains2xxx_3xxx_data.h"
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#include "prcm-common.h"
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#include "prm2xxx_3xxx.h"
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#include "prm-regbits-24xx.h"
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/* 24XX powerdomains and dependencies */
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/* Powerdomains */
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static struct powerdomain dsp_pwrdm = {
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.name = "dsp_pwrdm",
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.prcm_offs = OMAP24XX_DSP_MOD,
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.pwrsts = PWRSTS_OFF_RET_ON,
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.pwrsts_logic_ret = PWRSTS_RET,
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.banks = 1,
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.pwrsts_mem_ret = {
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[0] = PWRSTS_RET,
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},
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.pwrsts_mem_on = {
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[0] = PWRSTS_ON,
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},
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.voltdm = { .name = "core" },
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};
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static struct powerdomain mpu_24xx_pwrdm = {
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.name = "mpu_pwrdm",
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.prcm_offs = MPU_MOD,
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.pwrsts = PWRSTS_OFF_RET_ON,
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.pwrsts_logic_ret = PWRSTS_OFF_RET,
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.banks = 1,
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.pwrsts_mem_ret = {
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[0] = PWRSTS_RET,
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},
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.pwrsts_mem_on = {
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[0] = PWRSTS_ON,
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},
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.voltdm = { .name = "core" },
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};
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static struct powerdomain core_24xx_pwrdm = {
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.name = "core_pwrdm",
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.prcm_offs = CORE_MOD,
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.pwrsts = PWRSTS_OFF_RET_ON,
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.pwrsts_logic_ret = PWRSTS_RET,
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.banks = 3,
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.pwrsts_mem_ret = {
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[0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
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[1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
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[2] = PWRSTS_OFF_RET, /* MEM3RETSTATE */
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},
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.pwrsts_mem_on = {
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[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
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[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
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[2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */
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},
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.voltdm = { .name = "core" },
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};
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/*
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* 2430-specific powerdomains
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*/
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/* XXX 2430 KILLDOMAINWKUP bit? No current users apparently */
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static struct powerdomain mdm_pwrdm = {
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.name = "mdm_pwrdm",
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.prcm_offs = OMAP2430_MDM_MOD,
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.pwrsts = PWRSTS_OFF_RET_ON,
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.pwrsts_logic_ret = PWRSTS_RET,
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.banks = 1,
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.pwrsts_mem_ret = {
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[0] = PWRSTS_RET, /* MEMRETSTATE */
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},
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.pwrsts_mem_on = {
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[0] = PWRSTS_ON, /* MEMONSTATE */
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},
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.voltdm = { .name = "core" },
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};
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/*
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*
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*/
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static struct powerdomain *powerdomains_omap24xx[] __initdata = {
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&wkup_omap2_pwrdm,
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&gfx_omap2_pwrdm,
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&dsp_pwrdm,
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&mpu_24xx_pwrdm,
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&core_24xx_pwrdm,
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NULL
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};
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static struct powerdomain *powerdomains_omap2430[] __initdata = {
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&mdm_pwrdm,
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NULL
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};
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void __init omap242x_powerdomains_init(void)
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{
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if (!cpu_is_omap2420())
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return;
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pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
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pwrdm_register_pwrdms(powerdomains_omap24xx);
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pwrdm_complete_init();
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}
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void __init omap243x_powerdomains_init(void)
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{
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if (!cpu_is_omap2430())
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return;
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pwrdm_register_platform_funcs(&omap2_pwrdm_operations);
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pwrdm_register_pwrdms(powerdomains_omap24xx);
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pwrdm_register_pwrdms(powerdomains_omap2430);
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pwrdm_complete_init();
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}
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