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-rw-r--r--arch/arm/mach-mmp/pm-pxa910.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/arch/arm/mach-mmp/pm-pxa910.c b/arch/arm/mach-mmp/pm-pxa910.c
deleted file mode 100644
index f6ba6db0aa36..000000000000
--- a/arch/arm/mach-mmp/pm-pxa910.c
+++ /dev/null
@@ -1,166 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * PXA910 Power Management Routines
- *
- * (C) Copyright 2009 Marvell International Ltd.
- * All Rights Reserved
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/time.h>
-#include <linux/delay.h>
-#include <linux/suspend.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <asm/mach-types.h>
-#include <asm/outercache.h>
-
-#include <linux/soc/mmp/cputype.h>
-#include "addr-map.h"
-#include "pm-pxa910.h"
-#include "regs-icu.h"
-
-void pxa910_pm_enter_lowpower_mode(int state)
-{
- uint32_t idle_cfg, apcr;
-
- idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
- apcr = __raw_readl(MPMU_APCR);
-
- apcr &= ~(MPMU_APCR_DDRCORSD | MPMU_APCR_APBSD | MPMU_APCR_AXISD
- | MPMU_APCR_VCTCXOSD | MPMU_APCR_STBYEN);
- idle_cfg &= ~(APMU_MOH_IDLE_CFG_MOH_IDLE
- | APMU_MOH_IDLE_CFG_MOH_PWRDWN);
-
- switch (state) {
- case POWER_MODE_UDR:
- /* only shutdown APB in UDR */
- apcr |= MPMU_APCR_STBYEN | MPMU_APCR_APBSD;
- fallthrough;
- case POWER_MODE_SYS_SLEEP:
- apcr |= MPMU_APCR_SLPEN; /* set the SLPEN bit */
- apcr |= MPMU_APCR_VCTCXOSD; /* set VCTCXOSD */
- fallthrough;
- case POWER_MODE_APPS_SLEEP:
- apcr |= MPMU_APCR_DDRCORSD; /* set DDRCORSD */
- fallthrough;
- case POWER_MODE_APPS_IDLE:
- apcr |= MPMU_APCR_AXISD; /* set AXISDD bit */
- fallthrough;
- case POWER_MODE_CORE_EXTIDLE:
- idle_cfg |= APMU_MOH_IDLE_CFG_MOH_IDLE;
- idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWRDWN;
- idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWR_SW(3)
- | APMU_MOH_IDLE_CFG_MOH_L2_PWR_SW(3);
- fallthrough;
- case POWER_MODE_CORE_INTIDLE:
- break;
- }
-
- /* program the memory controller hardware sleep type and auto wakeup */
- idle_cfg |= APMU_MOH_IDLE_CFG_MOH_DIS_MC_SW_REQ;
- idle_cfg |= APMU_MOH_IDLE_CFG_MOH_MC_WAKE_EN;
- __raw_writel(0x0, APMU_MC_HW_SLP_TYPE); /* auto refresh */
-
- /* set DSPSD, DTCMSD, BBSD, MSASLPEN */
- apcr |= MPMU_APCR_DSPSD | MPMU_APCR_DTCMSD | MPMU_APCR_BBSD
- | MPMU_APCR_MSASLPEN;
-
- /*always set SLEPEN bit mainly for MSA*/
- apcr |= MPMU_APCR_SLPEN;
-
- /* finally write the registers back */
- __raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
- __raw_writel(apcr, MPMU_APCR);
-
-}
-
-static int pxa910_pm_enter(suspend_state_t state)
-{
- unsigned int idle_cfg, reg = 0;
-
- /*pmic thread not completed,exit;otherwise system can't be waked up*/
- reg = __raw_readl(ICU_INT_CONF(IRQ_PXA910_PMIC_INT));
- if ((reg & 0x3) == 0)
- return -EAGAIN;
-
- idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
- idle_cfg |= APMU_MOH_IDLE_CFG_MOH_PWRDWN
- | APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN;
- __raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
-
- /* disable L2 */
- outer_disable();
- /* wait for l2 idle */
- while (!(readl(CIU_REG(0x8)) & (1 << 16)))
- udelay(1);
-
- cpu_do_idle();
-
- /* enable L2 */
- outer_resume();
- /* wait for l2 idle */
- while (!(readl(CIU_REG(0x8)) & (1 << 16)))
- udelay(1);
-
- idle_cfg = __raw_readl(APMU_MOH_IDLE_CFG);
- idle_cfg &= ~(APMU_MOH_IDLE_CFG_MOH_PWRDWN
- | APMU_MOH_IDLE_CFG_MOH_SRAM_PWRDWN);
- __raw_writel(idle_cfg, APMU_MOH_IDLE_CFG);
-
- return 0;
-}
-
-/*
- * Called after processes are frozen, but before we shut down devices.
- */
-static int pxa910_pm_prepare(void)
-{
- pxa910_pm_enter_lowpower_mode(POWER_MODE_UDR);
- return 0;
-}
-
-/*
- * Called after devices are re-setup, but before processes are thawed.
- */
-static void pxa910_pm_finish(void)
-{
- pxa910_pm_enter_lowpower_mode(POWER_MODE_CORE_INTIDLE);
-}
-
-static int pxa910_pm_valid(suspend_state_t state)
-{
- return ((state == PM_SUSPEND_STANDBY) || (state == PM_SUSPEND_MEM));
-}
-
-static const struct platform_suspend_ops pxa910_pm_ops = {
- .valid = pxa910_pm_valid,
- .prepare = pxa910_pm_prepare,
- .enter = pxa910_pm_enter,
- .finish = pxa910_pm_finish,
-};
-
-static int __init pxa910_pm_init(void)
-{
- uint32_t awucrm = 0;
-
- if (!cpu_is_pxa910())
- return -EIO;
-
- suspend_set_ops(&pxa910_pm_ops);
-
- /* Set the following bits for MMP3 playback with VCTXO on */
- __raw_writel(__raw_readl(APMU_SQU_CLK_GATE_CTRL) | (1 << 30),
- APMU_SQU_CLK_GATE_CTRL);
- __raw_writel(__raw_readl(MPMU_FCCR) | (1 << 28), MPMU_FCCR);
-
- awucrm |= MPMU_AWUCRM_AP_ASYNC_INT | MPMU_AWUCRM_AP_FULL_IDLE;
- __raw_writel(awucrm, MPMU_AWUCRM);
-
- return 0;
-}
-
-late_initcall(pxa910_pm_init);