lpc.c File Reference

#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <option.h>
#include <pc80/mc146818rtc.h>
#include <pc80/isa-dma.h>
#include <pc80/i8259.h>
#include <arch/io.h>
#include <device/pci_ops.h>
#include <arch/ioapic.h>
#include <acpi/acpi.h>
#include <cpu/x86/smm.h>
#include <acpi/acpigen.h>
#include <arch/smp/mpspec.h>
#include <southbridge/intel/common/acpi_pirq_gen.h>
#include <southbridge/intel/common/rcba_pirq.h>
#include <southbridge/intel/common/hpet.h>
#include <southbridge/intel/common/pmbase.h>
#include <southbridge/intel/common/spi.h>
#include "chip.h"
#include "i82801gx.h"

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Macros
#define	NMI_OFF   0
#define	SPIBASE   0x3020
#define	SPIBAR16(x)   RCBA16(0x3020 + x)
#define	SPIBAR32(x)   RCBA32(0x3020 + x)

Functions
static void	i82801gx_enable_ioapic (struct device *dev)
	Set miscellaneous static southbridge features. More...
static void	i82801gx_enable_serial_irqs (struct device *dev)
static void	i82801gx_pirq_init (struct device *dev)
static void	i82801gx_gpi_routing (struct device *dev)
static void	i82801gx_power_options (struct device *dev)
static void	i82801gx_configure_cstates (struct device *dev)
static void	i82801gx_rtc_init (struct device *dev)
static void	enable_clock_gating (void)
static void	i82801gx_set_acpi_mode (struct device *dev)
static void	i82801gx_spi_init (void)
static void	i82801gx_fixups (struct device *dev)
static void	lpc_init (struct device *dev)
unsigned long	acpi_fill_madt (unsigned long current)
static void	i82801gx_lpc_read_resources (struct device *dev)
static void	lpc_final (struct device *dev)
static const char *	lpc_acpi_name (const struct device *dev)
static void	southbridge_fill_ssdt (const struct device *device)

Variables
static struct device_operations	device_ops
static const unsigned short	pci_device_ids []
static const struct pci_driver ich7_lpc	__pci_driver

Macro Definition Documentation

NMI_OFF

#define NMI_OFF   0

Definition at line 27 of file lpc.c.

SPIBAR16

#define SPIBAR16

(

x

)

RCBA16(0x3020 + x)

Definition at line 420 of file lpc.c.

SPIBAR32

#define SPIBAR32

(

x

)

RCBA32(0x3020 + x)

Definition at line 421 of file lpc.c.

SPIBASE

#define SPIBASE   0x3020

Definition at line 287 of file lpc.c.

Function Documentation

acpi_fill_madt()

unsigned long acpi_fill_madt

(

unsigned long

current

)

Definition at line 352 of file lpc.c.

References acpi_create_madt_ioapic(), acpi_create_madt_irqoverride(), acpi_create_madt_lapic_nmi(), acpi_create_madt_lapics(), IO_APIC_ADDR, MP_IRQ_POLARITY_HIGH, MP_IRQ_TRIGGER_EDGE, and MP_IRQ_TRIGGER_LEVEL.

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enable_clock_gating()

static void enable_clock_gating ( void  )

static

Definition at line 259 of file lpc.c.

References CG, and RCBA32.

Referenced by lpc_init().

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i82801gx_configure_cstates()

static void i82801gx_configure_cstates ( struct device *  dev )

static

Definition at line 232 of file lpc.c.

References pci_or_config8(), and pci_update_config8().

Referenced by lpc_init().

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i82801gx_enable_ioapic()

static void i82801gx_enable_ioapic ( struct device *  dev )

static

Set miscellaneous static southbridge features.

Parameters

dev	PCI device with I/O APIC control registers

Definition at line 34 of file lpc.c.

References setup_ioapic(), and VIO_APIC_VADDR.

Referenced by lpc_init().

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i82801gx_enable_serial_irqs()

static void i82801gx_enable_serial_irqs ( struct device *  dev )

static

Definition at line 39 of file lpc.c.

References pci_write_config8(), and SERIRQ_CNTL.

Referenced by lpc_init().

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i82801gx_fixups()

static void i82801gx_fixups ( struct device *  dev )

static

Definition at line 297 of file lpc.c.

References pci_write_config8(), and RCBA32.

Referenced by lpc_init().

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i82801gx_gpi_routing()

static void i82801gx_gpi_routing ( struct device *  dev )

static

Definition at line 112 of file lpc.c.

References device::chip_info, config, GPIO_ROUT, and pci_write_config32().

Referenced by i82801gx_power_options().

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i82801gx_lpc_read_resources()

static void i82801gx_lpc_read_resources ( struct device *  dev )

static

Definition at line 378 of file lpc.c.

References resource::base, resource::flags, IO_APIC_ADDR, IOINDEX_SUBTRACTIVE, IORESOURCE_ASSIGNED, IORESOURCE_FIXED, IORESOURCE_IO, IORESOURCE_MEM, IORESOURCE_SUBTRACTIVE, new_resource(), pci_dev_read_resources(), pci_read_config32(), and resource::size.

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i82801gx_pirq_init()

static void i82801gx_pirq_init ( struct device *  dev )

static

Definition at line 66 of file lpc.c.

References all_devices, device::chip_info, config, 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().

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i82801gx_power_options()

static void i82801gx_power_options ( struct device *  dev )

static

Definition at line 139 of file lpc.c.

References ALT_GP_SMI_EN, BIOS_INFO, device::chip_info, config, CONFIG, GEN_PMCON_1, GEN_PMCON_3, get_uint_option(), GPE0_EN, i82801gx_gpi_routing(), inb(), MAINBOARD_POWER_KEEP, MAINBOARD_POWER_OFF, MAINBOARD_POWER_ON, NMI_OFF, outb(), pci_read_config16(), pci_read_config8(), pci_write_config16(), pci_write_config8(), PM1_CNT, printk, read_pmbase32(), write_pmbase16(), and write_pmbase32().

Referenced by lpc_init().

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i82801gx_rtc_init()

static void i82801gx_rtc_init ( struct device *  dev )

static

Definition at line 243 of file lpc.c.

References BIOS_DEBUG, cmos_init(), GEN_PMCON_3, pci_read_config8(), pci_write_config8(), printk, RTC_BATTERY_DEAD, and rtc_failed().

Referenced by lpc_init().

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i82801gx_set_acpi_mode()

static void i82801gx_set_acpi_mode ( struct device *  dev )

static

Definition at line 278 of file lpc.c.

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

Referenced by lpc_init().

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i82801gx_spi_init()

static void i82801gx_spi_init ( void  )

static

Definition at line 288 of file lpc.c.

References RCBA16, and SPIBASE.

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 451 of file lpc.c.

lpc_final()

static void lpc_final ( struct device *  dev )

static

Definition at line 423 of file lpc.c.

References CONFIG, DEFAULT_PMBASE, GEN_PMCON_1, inw(), outb(), outw(), pci_or_config16(), POST_OS_BOOT, RCBA32, spi_finalize_ops(), SPIBAR16, and TCO1_CNT.

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lpc_init()

static void lpc_init ( struct device *  dev )

static

Definition at line 309 of file lpc.c.

References BIOS_DEBUG, enable_clock_gating(), enable_hpet(), i8259_configure_irq_trigger(), i82801gx_configure_cstates(), i82801gx_enable_ioapic(), i82801gx_enable_serial_irqs(), i82801gx_fixups(), i82801gx_pirq_init(), i82801gx_power_options(), i82801gx_rtc_init(), i82801gx_set_acpi_mode(), i82801gx_spi_init(), isa_dma_init(), printk, and setup_i8259().

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southbridge_fill_ssdt()

static void southbridge_fill_ssdt ( const struct device *  device )

static

Definition at line 456 of file lpc.c.

Variable Documentation

__pci_driver

const struct pci_driver ich7_lpc __pci_driver

static

Initial value:

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

Definition at line 475 of file lpc.c.

device_ops

struct device_operations device_ops

static

Initial value:

= {
        .read_resources         = i82801gx_lpc_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .write_acpi_tables      = acpi_write_hpet,
        .acpi_fill_ssdt         = southbridge_fill_ssdt,
        .acpi_name              = lpc_acpi_name,
        .init                   = lpc_init,
        .scan_bus               = scan_static_bus,
        .enable                 = i82801gx_enable,
        .ops_pci                = &pci_dev_ops_pci,
        .final                  = lpc_final,
}

Definition at line 456 of file lpc.c.

pci_device_ids

const unsigned short pci_device_ids[]

static

Initial value:

= {
        0x27b0, 
        0x27b8, 
        0x27b9, 
        0x27bc, 
        0x27bd, 
        0
}

Definition at line 475 of file lpc.c.