| /* 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 */ |
