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pmc_atom.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel Atom SoC Power Management Controller Header File * Copyright (c) 2014-2015,2022 Intel Corporation. */ #ifndef PMC_ATOM_H #define PMC_ATOM_H #include <linux/bits.h> /* ValleyView Power Control Unit PCI Device ID */ #define PCI_DEVICE_ID_VLV_PMC 0x0F1C /* CherryTrail Power Control Unit PCI Device ID */ #define PCI_DEVICE_ID_CHT_PMC 0x229C /* PMC Memory mapped IO registers */ #define PMC_BASE_ADDR_OFFSET 0x44 #define PMC_BASE_ADDR_MASK 0xFFFFFE00 #define PMC_MMIO_REG_LEN 0x100 #define PMC_REG_BIT_WIDTH 32 /* BIOS uses FUNC_DIS to disable specific function */ #define PMC_FUNC_DIS 0x34 #define PMC_FUNC_DIS_2 0x38 /* CHT specific bits in FUNC_DIS2 register */ #define BIT_FD_GMM BIT(3) #define BIT_FD_ISH BIT(4) /* S0ix wake event control */ #define PMC_S0IX_WAKE_EN 0x3C #define BIT_LPC_CLOCK_RUN BIT(4) #define BIT_SHARED_IRQ_GPSC BIT(5) #define BIT_ORED_DEDICATED_IRQ_GPSS BIT(18) #define BIT_ORED_DEDICATED_IRQ_GPSC BIT(19) #define BIT_SHARED_IRQ_GPSS BIT(20) #define PMC_WAKE_EN_SETTING ~(BIT_LPC_CLOCK_RUN | \ BIT_SHARED_IRQ_GPSC | \ BIT_ORED_DEDICATED_IRQ_GPSS | \ BIT_ORED_DEDICATED_IRQ_GPSC | \ BIT_SHARED_IRQ_GPSS) /* The timers accumulate time spent in sleep state */ #define PMC_S0IR_TMR 0x80 #define PMC_S0I1_TMR 0x84 #define PMC_S0I2_TMR 0x88 #define PMC_S0I3_TMR 0x8C #define PMC_S0_TMR 0x90 /* Sleep state counter is in units of 32us */ #define PMC_TMR_SHIFT 5 /* Power status of power islands */ #define PMC_PSS 0x98 #define PMC_PSS_BIT_GBE BIT(0) #define PMC_PSS_BIT_SATA BIT(1) #define PMC_PSS_BIT_HDA BIT(2) #define PMC_PSS_BIT_SEC BIT(3) #define PMC_PSS_BIT_PCIE BIT(4) #define PMC_PSS_BIT_LPSS BIT(5) #define PMC_PSS_BIT_LPE BIT(6) #define PMC_PSS_BIT_DFX BIT(7) #define PMC_PSS_BIT_USH_CTRL BIT(8) #define PMC_PSS_BIT_USH_SUS BIT(9) #define PMC_PSS_BIT_USH_VCCS BIT(10) #define PMC_PSS_BIT_USH_VCCA BIT(11) #define PMC_PSS_BIT_OTG_CTRL BIT(12) #define PMC_PSS_BIT_OTG_VCCS BIT(13) #define PMC_PSS_BIT_OTG_VCCA_CLK BIT(14) #define PMC_PSS_BIT_OTG_VCCA BIT(15) #define PMC_PSS_BIT_USB BIT(16) #define PMC_PSS_BIT_USB_SUS BIT(17) /* CHT specific bits in PSS register */ #define PMC_PSS_BIT_CHT_UFS BIT(7) #define PMC_PSS_BIT_CHT_UXD BIT(11) #define PMC_PSS_BIT_CHT_UXD_FD BIT(12) #define PMC_PSS_BIT_CHT_UX_ENG BIT(15) #define PMC_PSS_BIT_CHT_USB_SUS BIT(16) #define PMC_PSS_BIT_CHT_GMM BIT(17) #define PMC_PSS_BIT_CHT_ISH BIT(18) #define PMC_PSS_BIT_CHT_DFX_MASTER BIT(26) #define PMC_PSS_BIT_CHT_DFX_CLUSTER1 BIT(27) #define PMC_PSS_BIT_CHT_DFX_CLUSTER2 BIT(28) #define PMC_PSS_BIT_CHT_DFX_CLUSTER3 BIT(29) #define PMC_PSS_BIT_CHT_DFX_CLUSTER4 BIT(30) #define PMC_PSS_BIT_CHT_DFX_CLUSTER5 BIT(31) /* These registers reflect D3 status of functions */ #define PMC_D3_STS_0 0xA0 #define BIT_LPSS1_F0_DMA BIT(0) #define BIT_LPSS1_F1_PWM1 BIT(1) #define BIT_LPSS1_F2_PWM2 BIT(2) #define BIT_LPSS1_F3_HSUART1 BIT(3) #define BIT_LPSS1_F4_HSUART2 BIT(4) #define BIT_LPSS1_F5_SPI BIT(5) #define BIT_LPSS1_F6_XXX BIT(6) #define BIT_LPSS1_F7_XXX BIT(7) #define BIT_SCC_EMMC BIT(8) #define BIT_SCC_SDIO BIT(9) #define BIT_SCC_SDCARD BIT(10) #define BIT_SCC_MIPI BIT(11) #define BIT_HDA BIT(12) #define BIT_LPE BIT(13) #define BIT_OTG BIT(14) #define BIT_USH BIT(15) #define BIT_GBE BIT(16) #define BIT_SATA BIT(17) #define BIT_USB_EHCI BIT(18) #define BIT_SEC BIT(19) #define BIT_PCIE_PORT0 BIT(20) #define BIT_PCIE_PORT1 BIT(21) #define BIT_PCIE_PORT2 BIT(22) #define BIT_PCIE_PORT3 BIT(23) #define BIT_LPSS2_F0_DMA BIT(24) #define BIT_LPSS2_F1_I2C1 BIT(25) #define BIT_LPSS2_F2_I2C2 BIT(26) #define BIT_LPSS2_F3_I2C3 BIT(27) #define BIT_LPSS2_F4_I2C4 BIT(28) #define BIT_LPSS2_F5_I2C5 BIT(29) #define BIT_LPSS2_F6_I2C6 BIT(30) #define BIT_LPSS2_F7_I2C7 BIT(31) #define PMC_D3_STS_1 0xA4 #define BIT_SMB BIT(0) #define BIT_OTG_SS_PHY BIT(1) #define BIT_USH_SS_PHY BIT(2) #define BIT_DFX BIT(3) /* CHT specific bits in PMC_D3_STS_1 register */ #define BIT_STS_GMM BIT(1) #define BIT_STS_ISH BIT(2) /* PMC I/O Registers */ #define ACPI_BASE_ADDR_OFFSET 0x40 #define ACPI_BASE_ADDR_MASK 0xFFFFFE00 #define ACPI_MMIO_REG_LEN 0x100 #define PM1_CNT 0x4 #define SLEEP_TYPE_MASK GENMASK(12, 10) #define SLEEP_TYPE_S5 0x1C00 #define SLEEP_ENABLE BIT(13) extern int pmc_atom_read(int offset, u32 *value); #endif /* PMC_ATOM_H */
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