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authorLijian Zhao <lijian.zhao@intel.com>2017-08-17 14:25:24 -0700
committerAaron Durbin <adurbin@chromium.org>2017-09-13 03:09:15 +0000
commit2b074d90ae0d20f2d3171f2ddc5d0b6c0d3b78b0 (patch)
tree1d06a3e7633e227a071e60bf6325ae345cc12e6c /src/soc
parent6732b4fcdcb48b21631ca73cd1ec37f497d21d3e (diff)
soc/intel/cannonlake: Add common ACPI support for CNL
Basic ACPI support for CNL on top of common ACPI, which will establish a root of FADT table, fill MADT entry, create gnvs field, record wake status and convert device names into DSDT dev definitions. Change-Id: Ibc16d2afdd3cb9bad2ecb85cf320c88504409707 Signed-off-by: Lijian Zhao <lijian.zhao@intel.com> Reviewed-on: https://review.coreboot.org/21076 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/cannonlake/Kconfig3
-rw-r--r--src/soc/intel/cannonlake/Makefile.inc1
-rw-r--r--src/soc/intel/cannonlake/acpi.c117
-rw-r--r--src/soc/intel/cannonlake/acpi/globalnvs.asl57
-rw-r--r--src/soc/intel/cannonlake/chip.c65
-rw-r--r--src/soc/intel/cannonlake/chip.h6
-rw-r--r--src/soc/intel/cannonlake/include/soc/gpio_soc_defs.h1
-rw-r--r--src/soc/intel/cannonlake/include/soc/nvs.h50
-rw-r--r--src/soc/intel/cannonlake/include/soc/pm.h8
-rw-r--r--src/soc/intel/cannonlake/include/soc/pmc.h2
-rw-r--r--src/soc/intel/cannonlake/pmutil.c28
11 files changed, 307 insertions, 31 deletions
diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index 9525ab488d..fe80a20d67 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -15,6 +15,7 @@ config CPU_SPECIFIC_OPTIONS
select BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY if BOOT_DEVICE_SPI_FLASH
select BOOT_DEVICE_SUPPORTS_WRITES
select C_ENVIRONMENT_BOOTBLOCK
+ select COMMON_FADT
select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
select GENERIC_GPIO_LIB
select HAVE_HARD_RESET
@@ -30,7 +31,9 @@ config CPU_SPECIFIC_OPTIONS
select RELOCATABLE_RAMSTAGE
select SMP
select SOC_INTEL_COMMON
+ select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
select SOC_INTEL_COMMON_BLOCK
+ select SOC_INTEL_COMMON_BLOCK_ACPI
select SOC_INTEL_COMMON_BLOCK_CAR
select SOC_INTEL_COMMON_BLOCK_CPU
select SOC_INTEL_COMMON_BLOCK_CPU_MPINIT
diff --git a/src/soc/intel/cannonlake/Makefile.inc b/src/soc/intel/cannonlake/Makefile.inc
index f75a669266..0490bf927b 100644
--- a/src/soc/intel/cannonlake/Makefile.inc
+++ b/src/soc/intel/cannonlake/Makefile.inc
@@ -26,6 +26,7 @@ romstage-y += reset.c
romstage-y += spi.c
romstage-$(CONFIG_UART_DEBUG) += uart.c
+ramstage-y += acpi.c
ramstage-y += chip.c
ramstage-y += cpu.c
ramstage-y += gpio.c
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;
+}
diff --git a/src/soc/intel/cannonlake/acpi/globalnvs.asl b/src/soc/intel/cannonlake/acpi/globalnvs.asl
new file mode 100644
index 0000000000..ac60b36d51
--- /dev/null
+++ b/src/soc/intel/cannonlake/acpi/globalnvs.asl
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2015 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.
+ */
+
+/* Global Variables */
+
+Name (\PICM, 0) // IOAPIC/8259
+
+/*
+ * Global ACPI memory region. This region is used for passing information
+ * between coreboot (aka "the system bios"), ACPI, and the SMI handler.
+ * Since we don't know where this will end up in memory at ACPI compile time,
+ * we have to fix it up in coreboot's ACPI creation phase.
+ */
+
+External (NVSA)
+
+OperationRegion (GNVS, SystemMemory, NVSA, 0x2000)
+Field (GNVS, ByteAcc, NoLock, Preserve)
+{
+ /* Miscellaneous */
+ Offset (0x00),
+ OSYS, 16, // 0x00 - Operating System
+ SMIF, 8, // 0x02 - SMI function
+ PCNT, 8, // 0x03 - Processor Count
+ PPCM, 8, // 0x04 - Max PPC State
+ TLVL, 8, // 0x05 - Throttle Level Limit
+ LIDS, 8, // 0x06 - LID State
+ PWRS, 8, // 0x07 - AC Power State
+ CBMC, 32, // 0x08 - 0x0b AC Power State
+ PM1I, 64, // 0x0c - 0x13 PM1 wake status bit
+ GPEI, 64, // 0x14 - 0x17 GPE wake status bit
+ DPTE, 8, // 0x1c - Enable DPTF
+ NHLA, 64, // 0x1d - 0x24 NHLT Address
+ NHLL, 32, // 0x25 - 0x28 NHLT Length
+ CID1, 16, // 0x29 - 0x2a Wifi Country Identifier
+ U2WE, 16, // 0x2b - 0x2c USB2 Wake Enable Bitmap
+ U3WE, 16, // 0x2d - 0x2e USB3 Wake Enable Bitmap
+ UIOR, 8, // 0x2f - UART debug controller init on S3 resume
+
+ /* ChromeOS specific */
+ Offset (0x100),
+ #include <vendorcode/google/chromeos/acpi/gnvs.asl>
+}
diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c
index bee2517e73..ab546337e4 100644
--- a/src/soc/intel/cannonlake/chip.c
+++ b/src/soc/intel/cannonlake/chip.c
@@ -24,6 +24,68 @@
#include <soc/ramstage.h>
#include <string.h>
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+static const char *soc_acpi_name(struct device *dev)
+{
+ if (dev->path.type == DEVICE_PATH_DOMAIN)
+ return "PCI0";
+
+ if (dev->path.type != DEVICE_PATH_PCI)
+ return NULL;
+
+ switch (dev->path.pci.devfn) {
+ case SA_DEVFN_ROOT: return "MCHC";
+ case SA_DEVFN_IGD: return "GFX0";
+ case PCH_DEVFN_ISH: return "ISHB";
+ case PCH_DEVFN_XHCI: return "XHCI";
+ case PCH_DEVFN_USBOTG: return "XDCI";
+ case PCH_DEVFN_THERMAL: return "THRM";
+ case PCH_DEVFN_I2C0: return "I2C0";
+ case PCH_DEVFN_I2C1: return "I2C1";
+ case PCH_DEVFN_I2C2: return "I2C2";
+ case PCH_DEVFN_I2C3: return "I2C3";
+ case PCH_DEVFN_CSE: return "CSE1";
+ case PCH_DEVFN_CSE_2: return "CSE2";
+ case PCH_DEVFN_CSE_IDER: return "CSED";
+ case PCH_DEVFN_CSE_KT: return "CSKT";
+ case PCH_DEVFN_CSE_3: return "CSE3";
+ case PCH_DEVFN_SATA: return "SATA";
+ case PCH_DEVFN_UART2: return "UAR2";
+ case PCH_DEVFN_I2C4: return "I2C4";
+ case PCH_DEVFN_I2C5: return "I2C5";
+ case PCH_DEVFN_PCIE1: return "RP01";
+ case PCH_DEVFN_PCIE2: return "RP02";
+ case PCH_DEVFN_PCIE3: return "RP03";
+ case PCH_DEVFN_PCIE4: return "RP04";
+ case PCH_DEVFN_PCIE5: return "RP05";
+ case PCH_DEVFN_PCIE6: return "RP06";
+ case PCH_DEVFN_PCIE7: return "RP07";
+ case PCH_DEVFN_PCIE8: return "RP08";
+ case PCH_DEVFN_PCIE9: return "RP09";
+ case PCH_DEVFN_PCIE10: return "RP10";
+ case PCH_DEVFN_PCIE11: return "RP11";
+ case PCH_DEVFN_PCIE12: return "RP12";
+ case PCH_DEVFN_UART0: return "UAR0";
+ case PCH_DEVFN_UART1: return "UAR1";
+ case PCH_DEVFN_GSPI0: return "SPI0";
+ case PCH_DEVFN_GSPI1: return "SPI1";
+ case PCH_DEVFN_GSPI2: return "SPI2";
+ case PCH_DEVFN_EMMC: return "EMMC";
+ case PCH_DEVFN_SDCARD: return "SDXC";
+ case PCH_DEVFN_LPC: return "LPCB";
+ case PCH_DEVFN_P2SB: return "P2SB";
+ case PCH_DEVFN_PMC: return "PMC_";
+ case PCH_DEVFN_HDA: return "HDAS";
+ case PCH_DEVFN_SMBUS: return "SBUS";
+ case PCH_DEVFN_SPI: return "FSPI";
+ case PCH_DEVFN_GBE: return "IGBE";
+ case PCH_DEVFN_TRACEHUB:return "THUB";
+ }
+
+ return NULL;
+}
+#endif
+
void soc_init_pre_device(void *chip_info)
{
/* Perform silicon specific init. */
@@ -40,6 +102,9 @@ static struct device_operations pci_domain_ops = {
.set_resources = &pci_domain_set_resources,
.scan_bus = &pci_domain_scan_bus,
.ops_pci_bus = &pci_bus_default_ops,
+ #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+ .acpi_name = &soc_acpi_name,
+ #endif
};
static struct device_operations cpu_bus_ops = {
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index 0ed41fc824..52a5fc13a3 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -108,6 +108,11 @@ struct soc_intel_cannonlake_config {
struct usb3_port_config usb3_ports[10];
uint8_t XdciEnable;
uint8_t SsicPortEnable;
+ /* Wake Enable Bitmap for USB2 ports */
+ uint16_t usb2_wake_enable_bitmap;
+ /* Wake Enable Bitmap for USB3 ports */
+ uint16_t usb3_wake_enable_bitmap;
+
/* SATA related */
uint8_t SataEnable;
@@ -194,6 +199,7 @@ struct soc_intel_cannonlake_config {
* 0x02000000 - 32MiB and beyond
*/
uint32_t PrmrrSize;
+ uint8_t PmTimerDisabled;
};
typedef struct soc_intel_cannonlake_config config_t;
diff --git a/src/soc/intel/cannonlake/include/soc/gpio_soc_defs.h b/src/soc/intel/cannonlake/include/soc/gpio_soc_defs.h
index e9a5b89491..d4994e74e4 100644
--- a/src/soc/intel/cannonlake/include/soc/gpio_soc_defs.h
+++ b/src/soc/intel/cannonlake/include/soc/gpio_soc_defs.h
@@ -248,4 +248,5 @@
#define NUM_GPIO_COM2_PADS (GPD11 - GPD0 + 1)
+#define TOTAL_PADS 188
#endif
diff --git a/src/soc/intel/cannonlake/include/soc/nvs.h b/src/soc/intel/cannonlake/include/soc/nvs.h
new file mode 100644
index 0000000000..aa5093d4ef
--- /dev/null
+++ b/src/soc/intel/cannonlake/include/soc/nvs.h
@@ -0,0 +1,50 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 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.
+ */
+
+#ifndef _SOC_NVS_H_
+#define _SOC_NVS_H_
+
+#include <compiler.h>
+#include <vendorcode/google/chromeos/gnvs.h>
+
+typedef struct global_nvs_t {
+ /* Miscellaneous */
+ u16 osys; /* 0x00 - 0x01 Operating System */
+ u8 smif; /* 0x02 - SMI function call ("TRAP") */
+ u8 pcnt; /* 0x03 - Processor Count */
+ u8 ppcm; /* 0x04 - Max PPC State */
+ u8 tlvl; /* 0x05 - Throttle Level Limit */
+ u8 lids; /* 0x06 - LID State */
+ u8 pwrs; /* 0x07 - AC Power State */
+ u32 cbmc; /* 0x08 - 0xb AC Power State */
+ u64 pm1i; /* 0x0c - 0x13 PM1 wake status bit */
+ u64 gpei; /* 0x14 - 0x1b GPE wake status bit */
+ u8 dpte; /* 0x1c - Enable DPTF */
+ u64 nhla; /* 0x1d - 0x24 NHLT Address */
+ u32 nhll; /* 0x25 - 0x28 NHLT Length */
+ u16 cid1; /* 0x29 - 0x2a Wifi Country Identifier */
+ u16 u2we; /* 0x2b - 0x2c USB2 Wake Enable Bitmap */
+ u16 u3we; /* 0x2d - 0x2e USB3 Wake Enable Bitmap */
+ u8 uior; /* 0x2f - UART debug controller init on S3 resume */
+ u8 unused[208];
+
+ /* ChromeOS specific (0x100 - 0xfff) */
+ chromeos_acpi_t chromeos;
+} __packed global_nvs_t;
+
+
+#endif
diff --git a/src/soc/intel/cannonlake/include/soc/pm.h b/src/soc/intel/cannonlake/include/soc/pm.h
index 58037bd488..378fac9139 100644
--- a/src/soc/intel/cannonlake/include/soc/pm.h
+++ b/src/soc/intel/cannonlake/include/soc/pm.h
@@ -140,6 +140,11 @@
#define ENABLE_SMI_PARAMS \
(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS)
+#define PSS_RATIO_STEP 2
+#define PSS_MAX_ENTRIES 8
+#define PSS_LATENCY_TRANSITION 10
+#define PSS_LATENCY_BUSMASTER 10
+
struct chipset_power_state {
uint16_t pm1_sts;
uint16_t pm1_en;
@@ -154,9 +159,6 @@ struct chipset_power_state {
uint32_t prev_sleep_state;
} __packed;
-/* Return the selected ACPI SCI IRQ */
-int acpi_sci_irq(void);
-
/* Get base address PMC memory mapped registers. */
uint8_t *pmc_mmio_regs(void);
diff --git a/src/soc/intel/cannonlake/include/soc/pmc.h b/src/soc/intel/cannonlake/include/soc/pmc.h
index b8e49c2286..69954db6ce 100644
--- a/src/soc/intel/cannonlake/include/soc/pmc.h
+++ b/src/soc/intel/cannonlake/include/soc/pmc.h
@@ -119,6 +119,8 @@
#define GBLRST_CAUSE0_THERMTRIP (1 << 5)
#define GBLRST_CAUSE1 0x1928
+#define IRQ_REG ACTL
+#define SCI_IRQ_ADJUST 0
#define ACTL 0x1BD8
#define PWRM_EN (1 << 8)
#define ACPI_EN (1 << 7)
diff --git a/src/soc/intel/cannonlake/pmutil.c b/src/soc/intel/cannonlake/pmutil.c
index 322fe514e9..6708781fa5 100644
--- a/src/soc/intel/cannonlake/pmutil.c
+++ b/src/soc/intel/cannonlake/pmutil.c
@@ -125,34 +125,6 @@ const char *const *soc_gpe_sts_array(size_t *a)
return gpe_sts_bits;
}
-int acpi_sci_irq(void)
-{
- int scis = pci_read_config32(PCH_DEV_PMC, ACTL) & SCI_IRQ_SEL;
- int sci_irq = 9;
-
- /* Determine how SCI is routed. */
- switch (scis) {
- case SCIS_IRQ9:
- case SCIS_IRQ10:
- case SCIS_IRQ11:
- sci_irq = scis - SCIS_IRQ9 + 9;
- break;
- case SCIS_IRQ20:
- case SCIS_IRQ21:
- case SCIS_IRQ22:
- case SCIS_IRQ23:
- sci_irq = scis - SCIS_IRQ20 + 20;
- break;
- default:
- printk(BIOS_DEBUG, "Invalid SCI route! Defaulting to IRQ9.\n");
- sci_irq = 9;
- break;
- }
-
- printk(BIOS_DEBUG, "SCI is IRQ%d\n", sci_irq);
- return sci_irq;
-}
-
uint8_t *pmc_mmio_regs(void)
{
uint32_t reg32;