diff options
Diffstat (limited to 'src/soc/intel/cannonlake/acpi.c')
| -rw-r--r-- | src/soc/intel/cannonlake/acpi.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/acpi.c b/src/soc/intel/cannonlake/acpi.c new file mode 100644 index 0000000000..4e2a02787f --- /dev/null +++ b/src/soc/intel/cannonlake/acpi.c @@ -0,0 +1,117 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 coresystems GmbH + * Copyright (C) 2014 Google Inc. + * Copyright (C) 2017 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <arch/acpi.h> +#include <arch/acpigen.h> +#include <arch/cpu.h> +#include <arch/io.h> +#include <arch/ioapic.h> +#include <arch/smp/mpspec.h> +#include <cbmem.h> +#include <chip.h> +#include <cpu/cpu.h> +#include <ec/google/chromeec/ec.h> +#include <intelblocks/cpulib.h> +#include <intelblocks/pmclib.h> +#include <intelblocks/acpi.h> +#include <soc/cpu.h> +#include <soc/iomap.h> +#include <soc/nvs.h> +#include <soc/pci_devs.h> +#include <soc/pm.h> +#include <vendorcode/google/chromeos/gnvs.h> +#include <wrdd.h> + +void soc_fill_fadt(acpi_fadt_t *fadt) +{ + const uint16_t pmbase = ACPI_BASE_ADDRESS; + const struct device *dev = PCH_DEV_LPC; + const struct soc_intel_cannonlake_config *config = dev->chip_info; + + if (config->PmTimerDisabled != 0) + return; + + fadt->pm_tmr_blk = pmbase + PM1_TMR; + fadt->pm_tmr_len = 4; + fadt->x_pm_tmr_blk.space_id = 1; + fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; + fadt->x_pm_tmr_blk.bit_offset = 0; + fadt->x_pm_tmr_blk.resv = 0; + fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR; + fadt->x_pm_tmr_blk.addrh = 0x0; +} +uint32_t soc_read_sci_irq_select(void) +{ + uintptr_t pmc_bar = soc_read_pmc_base(); + return read32((void *)pmc_bar + IRQ_REG); +} + +void acpi_create_gnvs(struct global_nvs_t *gnvs) +{ + const struct device *dev = PCH_DEV_LPC; + const struct soc_intel_cannonlake_config *config = dev->chip_info; + + /* Set unknown wake source */ + gnvs->pm1i = -1; + + /* CPU core count */ + gnvs->pcnt = dev_count_cpu(); + + if (IS_ENABLED(CONFIG_CONSOLE_CBMEM)) + /* Update the mem console pointer. */ + gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE); + + if (IS_ENABLED(CONFIG_CHROMEOS)) { + /* Initialize Verified Boot data */ + chromeos_init_vboot(&(gnvs->chromeos)); + if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)) { + gnvs->chromeos.vbt2 = google_ec_running_ro() ? + ACTIVE_ECFW_RO : ACTIVE_ECFW_RW; + } else + gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO; + } + + /* Enable DPTF based on mainboard configuration */ + gnvs->dpte = config->dptf_enable; + + /* Fill in the Wifi Region id */ + gnvs->cid1 = wifi_regulatory_domain(); + + /* Set USB2/USB3 wake enable bitmaps. */ + gnvs->u2we = config->usb2_wake_enable_bitmap; + gnvs->u3we = config->usb3_wake_enable_bitmap; +} + +uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en, + const struct chipset_power_state *ps) +{ + /* + * WAK_STS bit is set when the system is in one of the sleep states + * (via the SLP_EN bit) and an enabled wake event occurs. Upon setting + * this bit, the PMC will transition the system to the ON state and + * can only be set by hardware and can only be cleared by writing a one + * to this bit position. + */ + + generic_pm1_en |= WAK_STS | RTC_EN | PWRBTN_EN; + return generic_pm1_en; +} + +int soc_madt_sci_irq_polarity(int sci) +{ + return MP_IRQ_POLARITY_HIGH; +} |