lpc.c File Reference

#include <arch/hpet.h>
#include <arch/io.h>
#include <arch/ioapic.h>
#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/mc146818rtc.h>
#include <pc80/isa-dma.h>
#include <pc80/i8259.h>
#include "chip.h"
#include "i82801dx.h"

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Macros
#define	NMI_OFF   0

Typedefs
typedef struct southbridge_intel_i82801dx_config	config_t

Functions
static void	i82801dx_enable_acpi (struct device *dev)
	Enable ACPI I/O range. More...
static void	i82801dx_enable_ioapic (struct device *dev)
	Set miscellaneous static southbridge features. More...
static void	i82801dx_enable_serial_irqs (struct device *dev)
static void	i82801dx_pirq_init (struct device *dev)
static void	i82801dx_power_options (struct device *dev)
static void	gpio_init (struct device *dev)
static void	i82801dx_rtc_init (struct device *dev)
static void	i82801dx_lpc_route_dma (struct device *dev, u8 mask)
static void	i82801dx_lpc_decode_en (struct device *dev)
static void	enable_hpet (struct device *dev)
static void	lpc_init (struct device *dev)
static void	i82801dx_lpc_read_resources (struct device *dev)

Variables
static struct device_operations	lpc_ops
static const struct pci_driver lpc_driver_db	__pci_driver

Macro Definition Documentation

NMI_OFF

#define NMI_OFF   0

Definition at line 18 of file lpc.c.

Typedef Documentation

config_t

typedef struct southbridge_intel_i82801dx_config config_t

Definition at line 1 of file lpc.c.

Function Documentation

enable_hpet()

static void enable_hpet ( struct device *  dev )

static

Definition at line 212 of file lpc.c.

References BIOS_DEBUG, BIOS_INFO, BIOS_WARNING, GEN_CNTL, HPET_BASE_ADDRESS, pci_read_config32(), pci_write_config32(), printk, and val.

Referenced by lpc_init().

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gpio_init()

static void gpio_init ( struct device *  dev )

static

Definition at line 156 of file lpc.c.

References GPIO_BASE, GPIO_CNTL, GPIOBASE_ADDR, pci_write_config32(), and pci_write_config8().

Referenced by lpc_init().

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i82801dx_enable_acpi()

static void i82801dx_enable_acpi ( struct device *  dev )

static

Enable ACPI I/O range.

Parameters

dev	PCI device with ACPI and PM BAR's

Definition at line 27 of file lpc.c.

References ACPI_CNTL, ACPI_EN, pci_write_config32(), pci_write_config8(), PMBASE, and PMBASE_ADDR.

Referenced by lpc_init().

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i82801dx_enable_ioapic()

static void i82801dx_enable_ioapic ( struct device *  dev )

static

Set miscellaneous static southbridge features.

Parameters

dev	PCI device with I/O APIC control registers

Definition at line 41 of file lpc.c.

References BIOS_DEBUG, GEN_CNTL, ioapic_set_boot_config(), pci_read_config32(), pci_write_config32(), printk, setup_ioapic(), and VIO_APIC_VADDR.

Referenced by lpc_init().

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i82801dx_enable_serial_irqs()

static void i82801dx_enable_serial_irqs ( struct device *  dev )

static

Definition at line 58 of file lpc.c.

References pci_write_config8(), and SERIRQ_CNTL.

Referenced by lpc_init().

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i82801dx_lpc_decode_en()

static void i82801dx_lpc_decode_en ( struct device *  dev )

static

Definition at line 198 of file lpc.c.

References COM_DEC, LPC_EN, pci_write_config16(), and pci_write_config8().

Referenced by lpc_init().

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i82801dx_lpc_read_resources()

static void i82801dx_lpc_read_resources ( struct device *  dev )

static

Definition at line 287 of file lpc.c.

i82801dx_lpc_route_dma()

static void i82801dx_lpc_route_dma ( struct device *  dev, u8  mask  )

static

Definition at line 183 of file lpc.c.

References mask, PCI_DMA_CFG, pci_read_config16(), and pci_write_config16().

Referenced by lpc_init().

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i82801dx_pirq_init()

static void i82801dx_pirq_init ( struct device *  dev )

static

Definition at line 67 of file lpc.c.

References device::chip_info, config, pci_write_config8(), PIRQA_ROUT, PIRQB_ROUT, PIRQC_ROUT, PIRQD_ROUT, PIRQE_ROUT, PIRQF_ROUT, PIRQG_ROUT, and PIRQH_ROUT.

Referenced by lpc_init().

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i82801dx_power_options()

static void i82801dx_power_options ( struct device *  dev )

static

Definition at line 82 of file lpc.c.

References BIOS_INFO, GEN_PMCON_1, GEN_PMCON_3, get_uint_option(), inb(), inl(), MAINBOARD_POWER_KEEP, MAINBOARD_POWER_OFF, MAINBOARD_POWER_ON, NMI_OFF, outb(), outl(), pci_read_config16(), pci_read_config8(), pci_write_config16(), pci_write_config8(), pmbase, and printk.

Referenced by lpc_init().

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i82801dx_rtc_init()

static void i82801dx_rtc_init ( struct device *  dev )

static

Definition at line 163 of file lpc.c.

References cmos_init(), GEN_PMCON_3, GEN_STS, pci_read_config32(), pci_read_config8(), pci_write_config8(), RTC_BATTERY_DEAD, RTC_CONF, and rtc_failed().

Referenced by lpc_init().

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lpc_init()

static void lpc_init ( struct device *  dev )

static

Definition at line 246 of file lpc.c.

References aseg_smm_lock(), CONFIG, enable_hpet(), gpio_init(), i82801dx_enable_acpi(), i82801dx_enable_ioapic(), i82801dx_enable_serial_irqs(), i82801dx_lpc_decode_en(), i82801dx_lpc_route_dma(), i82801dx_pirq_init(), i82801dx_power_options(), i82801dx_rtc_init(), isa_dma_init(), and setup_i8259().

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Variable Documentation

__pci_driver

static const struct pci_driver lpc_driver_dbm __pci_driver

static

Initial value:

= {
        .ops = &lpc_ops,
        .vendor = PCI_VID_INTEL,
        .device = PCI_DID_INTEL_82801DB_LPC,
}

Definition at line 287 of file lpc.c.

lpc_ops

struct device_operations lpc_ops

static

Initial value:

= {
        .read_resources         = i82801dx_lpc_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = lpc_init,
        .scan_bus               = scan_static_bus,
        .enable                 = i82801dx_enable,
}

Definition at line 287 of file lpc.c.