lpe.c File Reference

#include <device/mmio.h>
#include <device/pci_ops.h>
#include <acpi/acpi_gnvs.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <reg_script.h>
#include <soc/iomap.h>
#include <soc/iosf.h>
#include <soc/lpc.h>
#include <soc/device_nvs.h>
#include <soc/pattrs.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/ramstage.h>
#include "chip.h"

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Macros
#define	FIRMWARE_PHYS_BASE   (512 << 20)
#define	FIRMWARE_PHYS_LENGTH   (1 << 20)
#define	FIRMWARE_PCI_REG_BASE   0xa8
#define	FIRMWARE_PCI_REG_LENGTH   0xac
#define	FIRMWARE_REG_BASE_C0   0x144000
#define	FIRMWARE_REG_LENGTH_C0   (FIRMWARE_REG_BASE_C0 + 4)

Functions
static void	assign_device_nvs (struct device *dev, u32 *field, unsigned int index)
static void	lpe_enable_acpi_mode (struct device *dev)
static void	setup_codec_clock (struct device *dev)
static void	lpe_stash_firmware_info (struct device *dev)
static void	lpe_init (struct device *dev)
static void	lpe_read_resources (struct device *dev)

Variables
static const struct device_operations	device_ops
static const struct pci_driver southcluster	__pci_driver

Macro Definition Documentation

FIRMWARE_PCI_REG_BASE

#define FIRMWARE_PCI_REG_BASE   0xa8

Definition at line 28 of file lpe.c.

FIRMWARE_PCI_REG_LENGTH

#define FIRMWARE_PCI_REG_LENGTH   0xac

Definition at line 29 of file lpe.c.

FIRMWARE_PHYS_BASE

#define FIRMWARE_PHYS_BASE   (512 << 20)

Definition at line 26 of file lpe.c.

FIRMWARE_PHYS_LENGTH

#define FIRMWARE_PHYS_LENGTH   (1 << 20)

Definition at line 27 of file lpe.c.

FIRMWARE_REG_BASE_C0

#define FIRMWARE_REG_BASE_C0   0x144000

Definition at line 30 of file lpe.c.

FIRMWARE_REG_LENGTH_C0

#define FIRMWARE_REG_LENGTH_C0   (FIRMWARE_REG_BASE_C0 + 4)

Definition at line 31 of file lpe.c.

Function Documentation

assign_device_nvs()

static void assign_device_nvs ( struct device *  dev, u32 *  field, unsigned int  index  )

static

Definition at line 33 of file lpe.c.

References resource::base, resource::index, and probe_resource().

Referenced by lpe_enable_acpi_mode().

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lpe_enable_acpi_mode()

static void lpe_enable_acpi_mode ( struct device *  dev )

static

Definition at line 42 of file lpe.c.

References acpi_get_device_nvs(), assign_device_nvs(), FIRMWARE_PCI_REG_BASE, IOSF_PORT_0x58, device_nvs::lpe_bar0, device_nvs::lpe_bar1, device_nvs::lpe_en, device_nvs::lpe_fw, LPE_PCICFGCTR1, LPE_PCICFGCTR1_ACPI_INT_EN, LPE_PCICFGCTR1_PCI_CFG_DIS, ops, PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_1, PCI_COMMAND, PCI_COMMAND_INT_DISABLE, PCI_COMMAND_MASTER, PCI_COMMAND_MEMORY, REG_PCI_OR16, REG_SCRIPT_END, and reg_script_run_on_dev().

Referenced by lpe_init().

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lpe_init()

static void lpe_init ( struct device *  dev )

static

Definition at line 135 of file lpe.c.

References config, config_of(), lpe_enable_acpi_mode(), lpe_stash_firmware_info(), and setup_codec_clock().

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lpe_read_resources()

static void lpe_read_resources ( struct device *  dev )

static

Definition at line 146 of file lpe.c.

lpe_stash_firmware_info()

static void lpe_stash_firmware_info ( struct device *  dev )

static

Definition at line 109 of file lpe.c.

References resource::base, BIOS_DEBUG, find_resource(), FIRMWARE_PCI_REG_BASE, FIRMWARE_PCI_REG_LENGTH, FIRMWARE_REG_BASE_C0, FIRMWARE_REG_LENGTH_C0, NULL, pattrs_get(), PCI_BASE_ADDRESS_0, pci_write_config32(), printk, probe_resource(), resource::size, STEP_C0, pattrs::stepping, and write32().

Referenced by lpe_init().

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setup_codec_clock()

static void setup_codec_clock ( struct device *  dev )

static

Definition at line 69 of file lpe.c.

References BIOS_DEBUG, CLK_CTL_ON, CLK_FREQ_19P2MHZ, CLK_FREQ_25MHZ, config, config_of(), PLT_CLK_CTL_0, PMC_BASE_ADDRESS, printk, read32(), and write32().

Referenced by lpe_init().

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Variable Documentation

__pci_driver

const struct pci_driver southcluster __pci_driver

static

Initial value:

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

Definition at line 146 of file lpe.c.

device_ops

const struct device_operations device_ops

static

Initial value:

= {
        .read_resources         = lpe_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = lpe_init,
        .ops_pci                = &soc_pci_ops,
}

Definition at line 146 of file lpe.c.