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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164/* 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)
/* External clk generator settings */#define PMC_CLK_CTL_OFFSET 0x60#define PMC_CLK_CTL_SIZE 4#define PMC_CLK_NUM 6#define PMC_CLK_CTL_GATED_ON_D3 0x0#define PMC_CLK_CTL_FORCE_ON 0x1#define PMC_CLK_CTL_FORCE_OFF 0x2#define PMC_CLK_CTL_RESERVED 0x3#define PMC_MASK_CLK_CTL GENMASK(1, 0)#define PMC_MASK_CLK_FREQ BIT(2)#define PMC_CLK_FREQ_XTAL (0 << 2) /* 25 MHz */#define PMC_CLK_FREQ_PLL (1 << 2) /* 19.2 MHz */
/* 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) /* CHT datasheet: reserved */#define BIT_LPE BIT(13)#define BIT_OTG BIT(14)#define BIT_USH BIT(15) /* CHT datasheet: reserved */#define BIT_GBE BIT(16) /* CHT datasheet: reserved */#define BIT_SATA BIT(17) /* CHT datasheet: reserved */#define BIT_USB_EHCI BIT(18) /* CHT datasheet: XHCI! */#define BIT_SEC BIT(19) /* BYT datasheet: reserved */#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 */