lpc.c File Reference

#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <option.h>
#include <pc80/isa-dma.h>
#include <pc80/i8259.h>
#include <arch/io.h>
#include <arch/ioapic.h>
#include <acpi/acpi.h>
#include <cpu/x86/smm.h>
#include "chip.h"
#include "iobp.h"
#include "pch.h"
#include <acpi/acpigen.h>
#include <southbridge/intel/common/acpi_pirq_gen.h>
#include <southbridge/intel/common/rcba_pirq.h>
#include <southbridge/intel/common/rtc.h>
#include <southbridge/intel/common/spi.h>
#include <types.h>

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Macros
#define	NMI_OFF   0
#define	LPC_DEFAULT_IO_RANGE_LOWER   0
#define	LPC_DEFAULT_IO_RANGE_UPPER   0x1000

Functions
static void	pch_enable_ioapic (struct device *dev)
	Set miscellaneous static southbridge features. More...
static void	pch_enable_serial_irqs (struct device *dev)
static void	enable_hpet (struct device *const dev)
static void	pch_pirq_init (struct device *dev)
static void	pch_gpi_routing (struct device *dev, struct southbridge_intel_lynxpoint_config *config)
static void	pch_power_options (struct device *dev)
static void	configure_dmi_pm (struct device *dev)
static void	lpt_pm_init (struct device *dev)
static void	lpt_lp_pm_init (struct device *dev)
static void	enable_clock_gating (struct device *dev)
static void	enable_lp_clock_gating (struct device *dev)
static void	pch_set_acpi_mode (void)
static void	lpc_init (struct device *dev)
static void	pch_lpc_add_mmio_resources (struct device *dev)
static int	pch_io_range_in_default (int base, int size)
static void	pch_lpc_add_io_resource (struct device *dev, u16 base, u16 size, int index)
static void	pch_lpc_add_gen_io_resources (struct device *dev, int reg_value, int index)
static void	pch_lpc_add_io_resources (struct device *dev)
static void	pch_lpc_read_resources (struct device *dev)
static void	pch_lpc_enable (struct device *dev)
static const char *	lpc_acpi_name (const struct device *dev)
static void	southbridge_fill_ssdt (const struct device *dev)
static unsigned long	southbridge_write_acpi_tables (const struct device *device, unsigned long start, struct acpi_rsdp *rsdp)
static void	lpc_final (struct device *dev)

Variables
static struct device_operations	device_ops
static const unsigned short	pci_device_ids []
static const struct pci_driver pch_lpc	__pci_driver

Macro Definition Documentation

LPC_DEFAULT_IO_RANGE_LOWER

#define LPC_DEFAULT_IO_RANGE_LOWER   0

Definition at line 654 of file lpc.c.

LPC_DEFAULT_IO_RANGE_UPPER

#define LPC_DEFAULT_IO_RANGE_UPPER   0x1000

Definition at line 655 of file lpc.c.

NMI_OFF

#define NMI_OFF   0

Definition at line 25 of file lpc.c.

Function Documentation

configure_dmi_pm()

static void configure_dmi_pm ( struct device *  dev )

static

Definition at line 278 of file lpc.c.

References pci_read_config8(), pcidev_on_root(), RCBA16, RCBA32_AND_OR, and RCBA32_OR.

Referenced by lpt_pm_init().

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enable_clock_gating()

static void enable_clock_gating ( struct device *  dev )

static

Definition at line 484 of file lpc.c.

References CG, GEN_PMCON_1, pci_read_config16(), pci_write_config16(), RCBA32, RCBA32_AND_OR, and RCBA32_OR.

Referenced by lpc_init().

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enable_hpet()

static void enable_hpet ( struct device *const  dev )

static

Definition at line 60 of file lpc.c.

References HPTC, LPC_HnBDF, PCH_HPET_PCI_BUS, PCH_HPET_PCI_SLOT, pci_write_config16(), and RCBA32.

Referenced by lpc_init().

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enable_lp_clock_gating()

static void enable_lp_clock_gating ( struct device *  dev )

static

Definition at line 509 of file lpc.c.

References BUC, CG, GEN_PMCON_1, PCH_DISABLE_GBE, pch_iobp_update(), pci_or_config32(), pci_read_config16(), pci_read_config8(), pci_write_config16(), pcidev_on_root(), RCBA32, RCBA32_AND_OR, and RCBA32_OR.

Referenced by lpc_init().

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lpc_acpi_name()

static const char* lpc_acpi_name ( const struct device *  dev )

static

Definition at line 751 of file lpc.c.

lpc_final()

static void lpc_final ( struct device *  dev )

static

Definition at line 792 of file lpc.c.

lpc_init()

static void lpc_init ( struct device *  dev )

static

Definition at line 570 of file lpc.c.

References BIOS_DEBUG, enable_clock_gating(), enable_hpet(), enable_lp_clock_gating(), GEN_PMCON_2, i8259_configure_irq_trigger(), isa_dma_init(), lpt_lp_pm_init(), lpt_pm_init(), pch_enable_ioapic(), pch_enable_serial_irqs(), pch_is_lp(), pch_pirq_init(), pch_power_options(), pch_set_acpi_mode(), pci_or_config8(), printk, sb_rtc_init(), and setup_i8259().

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lpt_lp_pm_init()

static void lpt_lp_pm_init ( struct device *  dev )

static

Definition at line 393 of file lpc.c.

References BIOS_DEBUG, device::chip_info, config, FD, PCH_DISABLE_ADSPD, pch_iobp_update(), pci_or_config32(), pci_write_config8(), printk, RCBA32, RCBA32_AND_OR, and RCBA32_OR.

Referenced by lpc_init().

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lpt_pm_init()

static void lpt_pm_init ( struct device *  dev )

static

Definition at line 309 of file lpc.c.

References BIOS_DEBUG, device::chip_info, config, configure_dmi_pm(), pci_or_config32(), pci_update_config8(), pci_write_config8(), pcidev_on_root(), PMIR, PMIR_CF9LOCK, printk, RCBA32, and RCBA32_OR.

Referenced by lpc_init().

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pch_enable_ioapic()

static void pch_enable_ioapic ( struct device *  dev )

static

Set miscellaneous static southbridge features.

Parameters

dev	PCI device with I/O APIC control registers

Definition at line 32 of file lpc.c.

References ioapic_lock_max_vectors(), ioapic_set_max_vectors(), LPC_IBDF, PCH_IOAPIC_PCI_BUS, PCH_IOAPIC_PCI_SLOT, pch_is_lp(), pci_write_config16(), setup_ioapic(), and VIO_APIC_VADDR.

Referenced by lpc_init(), and lpc_soc_init().

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pch_enable_serial_irqs()

static void pch_enable_serial_irqs ( struct device *  dev )

static

Definition at line 49 of file lpc.c.

References pci_write_config8(), and SERIRQ_CNTL.

Referenced by lpc_init().

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pch_gpi_routing()

static void pch_gpi_routing ( struct device *  dev, struct southbridge_intel_lynxpoint_config *  config  )

static

Definition at line 144 of file lpc.c.

References config, GPIO_ROUT, and pci_write_config32().

Referenced by pch_power_options().

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pch_io_range_in_default()

static int pch_io_range_in_default ( int  base, int  size  )

inlinestatic

Definition at line 657 of file lpc.c.

References base, LPC_DEFAULT_IO_RANGE_LOWER, LPC_DEFAULT_IO_RANGE_UPPER, and resource::size.

Referenced by pch_lpc_add_io_resource().

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pch_lpc_add_gen_io_resources()

static void pch_lpc_add_gen_io_resources ( struct device *  dev, int  reg_value, int  index  )

static

Definition at line 690 of file lpc.c.

References base, resource::index, pch_lpc_add_io_resource(), and resource::size.

Referenced by pch_lpc_add_io_resources().

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pch_lpc_add_io_resource()

static void pch_lpc_add_io_resource ( struct device *  dev, u16  base, u16  size, int  index  )

static

Definition at line 676 of file lpc.c.

References resource::base, base, resource::flags, resource::index, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_IO, new_resource(), pch_io_range_in_default(), and resource::size.

Referenced by pch_lpc_add_gen_io_resources(), and pch_lpc_add_io_resources().

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pch_lpc_add_io_resources()

static void pch_lpc_add_io_resources ( struct device *  dev )

static

Definition at line 704 of file lpc.c.

References resource::base, device::chip_info, config, DEFAULT_GPIOSIZE, resource::flags, get_gpiobase(), get_pmbase(), GPIO_BASE, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_IO, LPC_DEFAULT_IO_RANGE_LOWER, LPC_DEFAULT_IO_RANGE_UPPER, LPC_GEN1_DEC, LPC_GEN2_DEC, LPC_GEN3_DEC, LPC_GEN4_DEC, new_resource(), pch_lpc_add_gen_io_resources(), pch_lpc_add_io_resource(), PMBASE, and resource::size.

Referenced by pch_lpc_read_resources().

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pch_lpc_add_mmio_resources()

static void pch_lpc_add_mmio_resources ( struct device *  dev )

static

Definition at line 614 of file lpc.c.

References resource::base, resource::flags, IO_APIC_ADDR, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_MEM, IORESOURCE_RESERVE, LGMR, new_resource(), OIC, pci_read_config32(), RCBA, and resource::size.

Referenced by pch_lpc_read_resources().

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pch_lpc_enable()

static void pch_lpc_enable ( struct device *  dev )

static

Definition at line 742 of file lpc.c.

References DISPBDF, FD2, pch_enable(), PCH_ENABLE_DBDF, RCBA16, and RCBA32_OR.

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pch_lpc_read_resources()

static void pch_lpc_read_resources ( struct device *  dev )

static

Definition at line 730 of file lpc.c.

References pch_lpc_add_io_resources(), pch_lpc_add_mmio_resources(), and pci_dev_read_resources().

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pch_pirq_init()

static void pch_pirq_init ( struct device *  dev )

static

Definition at line 100 of file lpc.c.

References all_devices, DEVICE_PATH_PCI, device::enabled, device::next, device::path, PCI_INTERRUPT_LINE, PCI_INTERRUPT_PIN, pci_read_config8(), pci_write_config8(), PIRQA_ROUT, PIRQB_ROUT, PIRQC_ROUT, PIRQD_ROUT, PIRQE_ROUT, PIRQF_ROUT, PIRQG_ROUT, PIRQH_ROUT, and device_path::type.

Referenced by lpc_init(), and lpc_soc_init().

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pch_power_options()

static void pch_power_options ( struct device *  dev )

static

Definition at line 172 of file lpc.c.

References BIOS_INFO, device::chip_info, config, enable_all_gpe(), enable_alt_smi(), GEN_PMCON_1, GEN_PMCON_3, get_pmbase(), get_uint_option(), inb(), inl(), MAINBOARD_POWER_KEEP, MAINBOARD_POWER_OFF, MAINBOARD_POWER_ON, NMI_OFF, outb(), outl(), pch_gpi_routing(), pch_is_lp(), pci_read_config16(), pci_write_config16(), pmbase, printk, RCBA16, and RCBA32.

Referenced by lpc_init().

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pch_set_acpi_mode()

static void pch_set_acpi_mode ( void  )

static

Definition at line 564 of file lpc.c.

References acpi_is_wakeup_s3(), APM_CNT_ACPI_DISABLE, and apm_control().

Referenced by lpc_init().

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southbridge_fill_ssdt()

static void southbridge_fill_ssdt ( const struct device *  dev )

static

Definition at line 756 of file lpc.c.

References intel_acpi_gen_def_acpi_pirq().

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southbridge_write_acpi_tables()

static unsigned long southbridge_write_acpi_tables ( const struct device *  device, unsigned long  start, struct acpi_rsdp *  rsdp  )

static

Definition at line 761 of file lpc.c.

References acpi_add_table(), acpi_align_current(), acpi_create_serialio_ssdt(), acpi_write_hpet(), BIOS_DEBUG, acpi_table_header::length, pch_is_lp(), and printk.

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Variable Documentation

__pci_driver

const struct pci_driver pch_lpc __pci_driver

static

Initial value:

= {
        .ops     = &device_ops,
        .vendor  = PCI_VID_INTEL,
        .devices = pci_device_ids,
}

Definition at line 818 of file lpc.c.

device_ops

struct device_operations device_ops

static

Initial value:

= {
        .read_resources         = pch_lpc_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .acpi_fill_ssdt         = southbridge_fill_ssdt,
        .acpi_name              = lpc_acpi_name,
        .write_acpi_tables      = southbridge_write_acpi_tables,
        .init                   = lpc_init,
        .final                  = lpc_final,
        .enable                 = pch_lpc_enable,
        .scan_bus               = scan_static_bus,
        .ops_pci                = &pci_dev_ops_pci,
}

Definition at line 792 of file lpc.c.

pci_device_ids

const unsigned short pci_device_ids[]

static

Initial value:

= {
        PCI_DID_INTEL_LPT_MOBILE_SAMPLE,
        PCI_DID_INTEL_LPT_DESKTOP_SAMPLE,
        PCI_DID_INTEL_LPT_Z87,
        PCI_DID_INTEL_LPT_Z85,
        PCI_DID_INTEL_LPT_HM86,
        PCI_DID_INTEL_LPT_H87,
        PCI_DID_INTEL_LPT_HM87,
        PCI_DID_INTEL_LPT_Q85,
        PCI_DID_INTEL_LPT_Q87,
        PCI_DID_INTEL_LPT_QM87,
        PCI_DID_INTEL_LPT_B85,
        PCI_DID_INTEL_LPT_C222,
        PCI_DID_INTEL_LPT_C224,
        PCI_DID_INTEL_LPT_C226,
        PCI_DID_INTEL_LPT_H81,
        PCI_DID_INTEL_LPT_LP_SAMPLE,
        PCI_DID_INTEL_LPT_LP_PREMIUM,
        PCI_DID_INTEL_LPT_LP_MAINSTREAM,
        PCI_DID_INTEL_LPT_LP_VALUE,
        0
}

Definition at line 818 of file lpc.c.