#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/mmio.h>
#include <device/pci_ops.h>
#include <arch/ioapic.h>
#include <acpi/acpi.h>
#include <cpu/x86/smm.h>
#include <bootstate.h>
#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <soc/iomap.h>
#include <soc/pcr.h>
#include <soc/p2sb.h>
#include <soc/acpi.h>
#include "chip.h"

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Data Structures
struct	dnv_ir_lut

Macros
#define	PCH_REDIR_ETR 120

#define	DEVFN(dev, fn) ((dev << 3) \| (fn))

Functions
static void	pch_enable_ioapic (struct device *dev)
	Set miscellaneous static southbridge features. More...

static int	is_dnv_swizzled_rp (uint16_t bdf)

static int	dnv_get_swizzled_pin (config_t *config, u8 devfn, u8 pin)

static int	dnv_get_ir (config_t *config, u8 devfn, u8 pin)

static u8	dnv_get_int_line (struct device *irq_dev)

static void	pch_pirq_init (struct device *dev)

static void	pci_p2sb_read_resources (struct device *dev)

static void	pch_enable_serial_irqs (struct device *dev)

static void	lpc_init (struct device *dev)

static void	pch_lpc_add_mmio_resources (struct device *dev)

static void	pch_lpc_add_io_resources (struct device *dev)

static void	lpc_read_resources (struct device *dev)

static void	pch_decode_init (struct device *dev)

static void	lpc_enable_resources (struct device *dev)

static void	pch_hide_devfn (uint32_t devfn)

void	southcluster_enable_dev (struct device *dev)

static void	finalize_chipset (void *unused)

	BOOT_STATE_INIT_ENTRY (BS_OS_RESUME, BS_ON_ENTRY, finalize_chipset, NULL)

	BOOT_STATE_INIT_ENTRY (BS_PAYLOAD_LOAD, BS_ON_EXIT, finalize_chipset, NULL)

Variables
static const struct dnv_ir_lut	dnv_ir_lut []

static struct device_operations	device_ops

static const struct pci_driver lpc_driver	__pci_driver

Macro Definition Documentation

◆ DEVFN

#define DEVFN	(	dev,
		fn
	)	((dev << 3) \| (fn))

Definition at line 47 of file lpc.c.

◆ PCH_REDIR_ETR

#define PCH_REDIR_ETR 120

Definition at line 25 of file lpc.c.

Function Documentation

◆ BOOT_STATE_INIT_ENTRY() [1/2]

BOOT_STATE_INIT_ENTRY	(	BS_OS_RESUME	,
		BS_ON_ENTRY	,
		finalize_chipset	,
		NULL
	)

◆ BOOT_STATE_INIT_ENTRY() [2/2]

BOOT_STATE_INIT_ENTRY	(	BS_PAYLOAD_LOAD	,
		BS_ON_EXIT	,
		finalize_chipset	,
		NULL
	)

◆ dnv_get_int_line()

static u8 dnv_get_int_line ( struct device * irq_dev )

static

Definition at line 249 of file lpc.c.

References BIOS_DEBUG, BIOS_ERR, device::bus, device::chip_info, config, dev_path(), pci_path::devfn, DEVICE_PATH_PCI, dnv_get_ir(), dnv_get_swizzled_pin(), device::enabled, get_pci_irq_pins(), is_dnv_swizzled_rp(), NULL, device::path, device_path::pci, PCI_INTERRUPT_PIN, pci_read_config8(), printk, bus::secondary, and device_path::type.

Referenced by pch_pirq_init().

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◆ dnv_get_ir()

static int dnv_get_ir	(	config_t *	config,
		u8	devfn,
		u8	pin
	)

static

Definition at line 137 of file lpc.c.

References ARRAY_SIZE, BIOS_ERR, BIOS_WARNING, config, dnv_ir_lut::devfn, dnv_ir_lut::ir, and printk.

Referenced by dnv_get_int_line().

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◆ dnv_get_swizzled_pin()

static int dnv_get_swizzled_pin	(	config_t *	config,
		u8	devfn,
		u8	pin
	)

static

Definition at line 114 of file lpc.c.

References dnv_ir_lut::devfn.

Referenced by dnv_get_int_line().

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◆ finalize_chipset()

static void finalize_chipset ( void * unused )

static

Definition at line 541 of file lpc.c.

References APM_CNT_FINALIZE, and apm_control().

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◆ is_dnv_swizzled_rp()

static int is_dnv_swizzled_rp ( uint16_t bdf )

static

Definition at line 90 of file lpc.c.

References DEVFN.

Referenced by dnv_get_int_line().

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◆ lpc_enable_resources()

static void lpc_enable_resources ( struct device * dev )

static

Definition at line 492 of file lpc.c.

References pch_decode_init(), and pci_dev_enable_resources().

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◆ lpc_init()

static void lpc_init ( struct device * dev )

static

Definition at line 433 of file lpc.c.

References BIOS_DEBUG, pch_enable_ioapic(), pch_enable_serial_irqs(), pch_pirq_init(), PCI_COMMAND, PCI_COMMAND_IO, PCI_COMMAND_MASTER, PCI_COMMAND_MEMORY, PCI_COMMAND_SPECIAL, pci_write_config16(), and printk.

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◆ lpc_read_resources()

static void lpc_read_resources ( struct device * dev )

static

Definition at line 475 of file lpc.c.

References pch_lpc_add_io_resources(), pch_lpc_add_mmio_resources(), pci_dev_read_resources(), and pci_p2sb_read_resources().

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◆ pch_decode_init()

static void pch_decode_init ( struct device * dev )

static

Definition at line 490 of file lpc.c.

Referenced by lpc_enable_resources().

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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.

Referenced by lpc_init().

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◆ pch_enable_serial_irqs()

static void pch_enable_serial_irqs ( struct device * dev )

static

Definition at line 422 of file lpc.c.

References pci_write_config8(), and SERIRQ_CNTL.

Referenced by lpc_init().

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◆ pch_hide_devfn()

static void pch_hide_devfn ( uint32_t devfn )

static

Definition at line 499 of file lpc.c.

◆ pch_lpc_add_io_resources()

static void pch_lpc_add_io_resources ( struct device * dev )

static

Definition at line 456 of file lpc.c.

References resource::base, resource::flags, IOINDEX_SUBTRACTIVE, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_SUBTRACTIVE, new_resource(), and resource::size.

Referenced by 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 454 of file lpc.c.

Referenced by lpc_read_resources().

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◆ pch_pirq_init()

static void pch_pirq_init ( struct device * dev )

static

Definition at line 316 of file lpc.c.

References all_devices, BIOS_DEBUG, device::bus, config, config_of(), pci_path::devfn, DEVICE_PATH_PCI, dnv_get_int_line(), device::enabled, device::next, device::path, PCH_PCR_ADDRESS, PCH_PCR_ITSS_IPC0, PCH_PCR_ITSS_IPC1, PCH_PCR_ITSS_IPC2, PCH_PCR_ITSS_IPC3, device_path::pci, PCI_INTERRUPT_LINE, PCI_INTERRUPT_PIN, pci_read_config8(), pci_write_config8(), PCR_ITSS_PIR00, PCR_ITSS_PIR01, PCR_ITSS_PIR02, PCR_ITSS_PIR03, PCR_ITSS_PIR04, PCR_ITSS_PIR05, PCR_ITSS_PIR06, PCR_ITSS_PIR07, PCR_ITSS_PIR08, PCR_ITSS_PIR09, PCR_ITSS_PIR10, PCR_ITSS_PIR11, PCR_ITSS_PIR12, PCR_ITSS_PIRQA_ROUT, PCR_ITSS_PIRQB_ROUT, PCR_ITSS_PIRQC_ROUT, PCR_ITSS_PIRQD_ROUT, PCR_ITSS_PIRQE_ROUT, PCR_ITSS_PIRQF_ROUT, PCR_ITSS_PIRQG_ROUT, PCR_ITSS_PIRQH_ROUT, PID_ITSS, printk, bus::secondary, device_path::type, write16(), write32(), and write8().

Referenced by lpc_init().

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◆ pci_p2sb_read_resources()

static void pci_p2sb_read_resources ( struct device * dev )

static

Definition at line 396 of file lpc.c.

References resource::base, BIOS_DEBUG, DEFAULT_PCR_BASE, resource::flags, IO_APIC_ADDR, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_MEM, IORESOURCE_STORED, new_resource(), printk, and resource::size.

Referenced by lpc_read_resources().

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◆ southcluster_enable_dev()

void southcluster_enable_dev ( struct device * dev )

Definition at line 501 of file lpc.c.

Referenced by byt_pcie_enable(), check_device_present(), enable_dev(), and sata_enable().

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Variable Documentation

◆ __pci_driver

const struct pci_driver lpc_driver __pci_driver

static

Initial value:

= {
        .ops = &device_ops,
        .vendor = PCI_VID_INTEL,
        .device = PCI_DID_INTEL_DNV_LPC,
}

Definition at line 501 of file lpc.c.

◆ device_ops

struct device_operations device_ops

static

Initial value:

= {
        .read_resources = lpc_read_resources,
        .set_resources = pci_dev_set_resources,
 
 
 
        .enable_resources = lpc_enable_resources,
        .init = lpc_init,
        .enable = southcluster_enable_dev,
        .scan_bus = scan_static_bus,
        .ops_pci = &soc_pci_ops,
}

Definition at line 501 of file lpc.c.

◆ dnv_ir_lut

const struct dnv_ir_lut dnv_ir_lut[]

static

Definition at line 32 of file lpc.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ DEVFN

◆ PCH_REDIR_ETR

Function Documentation

◆ BOOT_STATE_INIT_ENTRY() [1/2]

◆ BOOT_STATE_INIT_ENTRY() [2/2]

◆ dnv_get_int_line()

◆ dnv_get_ir()

◆ dnv_get_swizzled_pin()

◆ finalize_chipset()

◆ is_dnv_swizzled_rp()

◆ lpc_enable_resources()

◆ lpc_init()

◆ lpc_read_resources()

◆ pch_decode_init()

◆ pch_enable_ioapic()

◆ pch_enable_serial_irqs()

◆ pch_hide_devfn()

◆ pch_lpc_add_io_resources()

◆ pch_lpc_add_mmio_resources()

◆ pch_pirq_init()

◆ pci_p2sb_read_resources()

◆ southcluster_enable_dev()

Variable Documentation

◆ __pci_driver

◆ device_ops

◆ dnv_ir_lut