| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <acpi/acpi_gnvs.h> |
| #include <acpi/acpigen.h> |
| #include <arch/ioapic.h> |
| #include <arch/smp/mpspec.h> |
| #include <console/console.h> |
| #include <device/mmio.h> |
| #include <device/pci_ops.h> |
| #include <intelblocks/cpulib.h> |
| #include <intelblocks/pmclib.h> |
| #include <intelblocks/acpi.h> |
| #include <intelblocks/p2sb.h> |
| #include <soc/cpu.h> |
| #include <soc/iomap.h> |
| #include <soc/nvs.h> |
| #include <soc/pci_devs.h> |
| #include <soc/pm.h> |
| #include <soc/systemagent.h> |
| |
| #include "chip.h" |
| |
| /* |
| * List of supported C-states in this processor. |
| */ |
| enum { |
| C_STATE_C0, /* 0 */ |
| C_STATE_C1, /* 1 */ |
| C_STATE_C1E, /* 2 */ |
| C_STATE_C6_SHORT_LAT, /* 3 */ |
| C_STATE_C6_LONG_LAT, /* 4 */ |
| C_STATE_C7_SHORT_LAT, /* 5 */ |
| C_STATE_C7_LONG_LAT, /* 6 */ |
| C_STATE_C7S_SHORT_LAT, /* 7 */ |
| C_STATE_C7S_LONG_LAT, /* 8 */ |
| C_STATE_C8, /* 9 */ |
| C_STATE_C9, /* 10 */ |
| C_STATE_C10, /* 11 */ |
| NUM_C_STATES |
| }; |
| |
| static const acpi_cstate_t cstate_map[NUM_C_STATES] = { |
| [C_STATE_C0] = {}, |
| [C_STATE_C1] = { |
| .latency = 0, |
| .power = C1_POWER, |
| .resource = MWAIT_RES(0, 0), |
| }, |
| [C_STATE_C1E] = { |
| .latency = 0, |
| .power = C1_POWER, |
| .resource = MWAIT_RES(0, 1), |
| }, |
| [C_STATE_C6_SHORT_LAT] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(1), |
| .power = C6_POWER, |
| .resource = MWAIT_RES(2, 0), |
| }, |
| [C_STATE_C6_LONG_LAT] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(2), |
| .power = C6_POWER, |
| .resource = MWAIT_RES(2, 1), |
| }, |
| [C_STATE_C7_SHORT_LAT] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(1), |
| .power = C7_POWER, |
| .resource = MWAIT_RES(3, 0), |
| }, |
| [C_STATE_C7_LONG_LAT] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(2), |
| .power = C7_POWER, |
| .resource = MWAIT_RES(3, 1), |
| }, |
| [C_STATE_C7S_SHORT_LAT] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(1), |
| .power = C7_POWER, |
| .resource = MWAIT_RES(3, 2), |
| }, |
| [C_STATE_C7S_LONG_LAT] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(2), |
| .power = C7_POWER, |
| .resource = MWAIT_RES(3, 3), |
| }, |
| [C_STATE_C8] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(3), |
| .power = C8_POWER, |
| .resource = MWAIT_RES(4, 0), |
| }, |
| [C_STATE_C9] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(4), |
| .power = C9_POWER, |
| .resource = MWAIT_RES(5, 0), |
| }, |
| [C_STATE_C10] = { |
| .latency = C_STATE_LATENCY_FROM_LAT_REG(5), |
| .power = C10_POWER, |
| .resource = MWAIT_RES(6, 0), |
| }, |
| }; |
| |
| static int cstate_set_non_s0ix[] = { |
| C_STATE_C1E, |
| C_STATE_C6_LONG_LAT, |
| C_STATE_C7S_LONG_LAT |
| }; |
| |
| static int cstate_set_s0ix[] = { |
| C_STATE_C1E, |
| C_STATE_C7S_LONG_LAT, |
| C_STATE_C10 |
| }; |
| |
| const acpi_cstate_t *soc_get_cstate_map(size_t *entries) |
| { |
| static acpi_cstate_t map[MAX(ARRAY_SIZE(cstate_set_s0ix), |
| ARRAY_SIZE(cstate_set_non_s0ix))]; |
| int *set; |
| int i; |
| |
| config_t *config = config_of_soc(); |
| |
| int is_s0ix_enable = config->s0ix_enable; |
| |
| if (is_s0ix_enable) { |
| *entries = ARRAY_SIZE(cstate_set_s0ix); |
| set = cstate_set_s0ix; |
| } else { |
| *entries = ARRAY_SIZE(cstate_set_non_s0ix); |
| set = cstate_set_non_s0ix; |
| } |
| |
| for (i = 0; i < *entries; i++) { |
| map[i] = cstate_map[set[i]]; |
| map[i].ctype = i + 1; |
| } |
| return map; |
| } |
| |
| void soc_power_states_generation(int core_id, int cores_per_package) |
| { |
| config_t *config = config_of_soc(); |
| |
| /* Generate P-state tables */ |
| if (config->eist_enable) |
| generate_p_state_entries(core_id, cores_per_package); |
| } |
| |
| void soc_fill_fadt(acpi_fadt_t *fadt) |
| { |
| const uint16_t pmbase = ACPI_BASE_ADDRESS; |
| const struct soc_intel_cannonlake_config *config; |
| config = config_of_soc(); |
| |
| fadt->pm_tmr_blk = pmbase + PM1_TMR; |
| fadt->pm_tmr_len = 4; |
| |
| fill_fadt_extended_pm_io(fadt); |
| |
| if (config->s0ix_enable) |
| fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0; |
| } |
| |
| static struct min_sleep_state min_pci_sleep_states[] = { |
| { SA_DEVFN_ROOT, ACPI_DEVICE_SLEEP_D3 }, |
| { SA_DEVFN_PEG0, ACPI_DEVICE_SLEEP_D3 }, |
| { SA_DEVFN_PEG1, ACPI_DEVICE_SLEEP_D3 }, |
| { SA_DEVFN_PEG2, ACPI_DEVICE_SLEEP_D3 }, |
| { SA_DEVFN_IGD, ACPI_DEVICE_SLEEP_D3 }, |
| { SA_DEVFN_TS, ACPI_DEVICE_SLEEP_D3 }, |
| { SA_DEVFN_IPU, ACPI_DEVICE_SLEEP_D3 }, |
| { SA_DEVFN_GNA, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_UFS, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_GSPI2, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_ISH, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_XHCI, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_USBOTG, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_CNViWIFI, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_SDCARD, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_I2C0, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_I2C1, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_I2C2, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_I2C3, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_CSE, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_SATA, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_I2C4, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_I2C5, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_UART2, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_EMMC, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_PCIE1, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE2, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE3, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE4, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE5, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE6, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE7, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE8, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE9, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE10, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE11, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE12, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE13, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE14, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE15, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE16, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE17, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE18, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE19, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE20, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE21, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE22, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE23, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_PCIE24, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_UART0, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_UART1, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_GSPI0, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_GSPI1, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_LPC, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_P2SB, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_HDA, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_SMBUS, ACPI_DEVICE_SLEEP_D0 }, |
| { PCH_DEVFN_SPI, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_GBE, ACPI_DEVICE_SLEEP_D3 }, |
| { PCH_DEVFN_TRACEHUB, ACPI_DEVICE_SLEEP_D3 }, |
| }; |
| |
| struct min_sleep_state *soc_get_min_sleep_state_array(size_t *size) |
| { |
| *size = ARRAY_SIZE(min_pci_sleep_states); |
| return min_pci_sleep_states; |
| } |
| |
| uint32_t soc_read_sci_irq_select(void) |
| { |
| return read32p(soc_read_pmc_base() + IRQ_REG); |
| } |
| |
| void soc_fill_gnvs(struct global_nvs *gnvs) |
| { |
| const struct soc_intel_cannonlake_config *config; |
| config = config_of_soc(); |
| |
| /* Enable DPTF based on mainboard configuration */ |
| gnvs->dpte = config->dptf_enable; |
| |
| /* Set USB2/USB3 wake enable bitmaps. */ |
| gnvs->u2we = config->usb2_wake_enable_bitmap; |
| gnvs->u3we = config->usb3_wake_enable_bitmap; |
| } |
| |
| int soc_madt_sci_irq_polarity(int sci) |
| { |
| return MP_IRQ_POLARITY_HIGH; |
| } |
| |
| static unsigned long soc_fill_dmar(unsigned long current) |
| { |
| struct device *const igfx_dev = pcidev_path_on_root(SA_DEVFN_IGD); |
| uint64_t gfxvtbar = MCHBAR64(GFXVTBAR) & VTBAR_MASK; |
| bool gfxvten = MCHBAR32(GFXVTBAR) & VTBAR_ENABLED; |
| const bool emit_igd = igfx_dev && igfx_dev->enabled && gfxvtbar && gfxvten; |
| if (emit_igd) { |
| unsigned long tmp = current; |
| |
| current += acpi_create_dmar_drhd(current, 0, 0, gfxvtbar); |
| current += acpi_create_dmar_ds_pci(current, 0, 2, 0); |
| |
| acpi_dmar_drhd_fixup(tmp, current); |
| } |
| |
| struct device *const ipu_dev = pcidev_path_on_root(SA_DEVFN_IPU); |
| uint64_t ipuvtbar = MCHBAR64(IPUVTBAR) & VTBAR_MASK; |
| bool ipuvten = MCHBAR32(IPUVTBAR) & VTBAR_ENABLED; |
| |
| if (ipu_dev && ipu_dev->enabled && ipuvtbar && ipuvten) { |
| unsigned long tmp = current; |
| |
| current += acpi_create_dmar_drhd(current, 0, 0, ipuvtbar); |
| current += acpi_create_dmar_ds_pci(current, 0, 5, 0); |
| |
| acpi_dmar_drhd_fixup(tmp, current); |
| } |
| |
| uint64_t vtvc0bar = MCHBAR64(VTVC0BAR) & VTBAR_MASK; |
| bool vtvc0en = MCHBAR32(VTVC0BAR) & VTBAR_ENABLED; |
| |
| if (vtvc0bar && vtvc0en) { |
| const unsigned long tmp = current; |
| |
| current += acpi_create_dmar_drhd(current, |
| DRHD_INCLUDE_PCI_ALL, 0, vtvc0bar); |
| current += acpi_create_dmar_ds_ioapic_from_hw(current, |
| IO_APIC_ADDR, V_P2SB_CFG_IBDF_BUS, V_P2SB_CFG_IBDF_DEV, |
| V_P2SB_CFG_IBDF_FUNC); |
| current += acpi_create_dmar_ds_msi_hpet(current, |
| 0, V_P2SB_CFG_HBDF_BUS, V_P2SB_CFG_HBDF_DEV, |
| V_P2SB_CFG_HBDF_FUNC); |
| |
| acpi_dmar_drhd_fixup(tmp, current); |
| } |
| |
| /* Add RMRR entry after all DRHD entries */ |
| if (emit_igd) { |
| const unsigned long tmp = current; |
| |
| current += acpi_create_dmar_rmrr(current, 0, |
| sa_get_gsm_base(), sa_get_tolud_base() - 1); |
| current += acpi_create_dmar_ds_pci(current, 0, 2, 0); |
| acpi_dmar_rmrr_fixup(tmp, current); |
| } |
| |
| return current; |
| } |
| |
| unsigned long sa_write_acpi_tables(const struct device *dev, unsigned long current, |
| struct acpi_rsdp *rsdp) |
| { |
| acpi_dmar_t *const dmar = (acpi_dmar_t *)current; |
| |
| /* Create DMAR table only if we have VT-d capability |
| * and FSP does not override its feature. |
| */ |
| if ((pci_read_config32(dev, CAPID0_A) & VTD_DISABLE) || |
| !(MCHBAR32(VTVC0BAR) & VTBAR_ENABLED)) |
| return current; |
| |
| printk(BIOS_DEBUG, "ACPI: * DMAR\n"); |
| acpi_create_dmar(dmar, DMAR_INTR_REMAP, soc_fill_dmar); |
| |
| current += dmar->header.length; |
| current = acpi_align_current(current); |
| acpi_add_table(rsdp, dmar); |
| |
| return current; |
| } |