serialio.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 <soc/device_nvs.h>
#include <soc/pci_devs.h>
#include <soc/pch.h>
#include <soc/rcba.h>
#include <soc/serialio.h>
#include <soc/intel/broadwell/pch/chip.h>
#include <southbridge/intel/lynxpoint/iobp.h>
#include <types.h>

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Functions
static void	serialio_enable_d3hot (struct resource *res)
static bool	serialio_uart_is_debug (struct device *dev)
static void	serialio_enable_clock (struct resource *bar0)
static void	serialio_d21_mode (int sio_index, int int_pin, int acpi_mode)
static void	serialio_d23_mode (int acpi_mode)
static void	serialio_d21_ltr (struct resource *bar0)
static void	serialio_d23_ltr (struct resource *bar0)
static void	serialio_i2c_voltage_sel (struct resource *bar0, u8 voltage)
static void	serialio_init_once (int acpi_mode)
static void	serialio_init (struct device *dev)
static void	serialio_read_resources (struct device *dev)

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

Function Documentation

serialio_d21_ltr()

static void serialio_d21_ltr ( struct resource *  bar0 )

static

Definition at line 91 of file serialio.c.

References read32(), res2mmio(), SIO_REG_AUTO_LTR, SIO_REG_PPR_GEN, SIO_REG_PPR_GEN_LTR_MODE_MASK, SIO_REG_PPR_RST, SIO_REG_PPR_RST_ASSERT, and write32().

Referenced by serialio_init().

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serialio_d21_mode()

static void serialio_d21_mode ( int  sio_index, int  int_pin, int  acpi_mode  )

static

Definition at line 49 of file serialio.c.

References pch_iobp_update(), SIO_IOBP_PORTCTRL_ACPI_IRQ_EN, SIO_IOBP_PORTCTRL_INT_PIN, SIO_IOBP_PORTCTRL_PCI_CONF_DIS, SIO_IOBP_PORTCTRL_PM_CAP_PRSNT, SIO_IOBP_PORTCTRL_SNOOP_SELECT, and SIO_IOBP_PORTCTRLX.

Referenced by serialio_init().

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serialio_d23_ltr()

static void serialio_d23_ltr ( struct resource *  bar0 )

static

Definition at line 115 of file serialio.c.

References read32(), res2mmio(), SIO_REG_PPR_GEN_LTR_MODE_MASK, SIO_REG_SDIO_PPR_CMD12, SIO_REG_SDIO_PPR_CMD12_B30, SIO_REG_SDIO_PPR_GEN, SIO_REG_SDIO_PPR_SW_LTR, and write32().

Referenced by serialio_init().

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serialio_d23_mode()

static void serialio_d23_mode ( int  acpi_mode )

static

Definition at line 71 of file serialio.c.

References pch_iobp_update(), SIO_IOBP_PORTCTRL0, SIO_IOBP_PORTCTRL0_ACPI_IRQ_EN, SIO_IOBP_PORTCTRL0_PCI_CONF_DIS, SIO_IOBP_PORTCTRL1, and SIO_IOBP_PORTCTRL1_SNOOP_SELECT.

Referenced by serialio_init().

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serialio_enable_clock()

static void serialio_enable_clock ( struct resource *  bar0 )

static

Definition at line 41 of file serialio.c.

References read32(), res2mmio(), SIO_REG_PPR_CLOCK, SIO_REG_PPR_CLOCK_EN, and write32().

Referenced by serialio_init().

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serialio_enable_d3hot()

static void serialio_enable_d3hot ( struct resource *  res )

static

Definition at line 20 of file serialio.c.

References PCH_PCS, PCH_PCS_PS_D3HOT, read32(), res2mmio(), and write32().

Referenced by serialio_init().

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serialio_i2c_voltage_sel()

static void serialio_i2c_voltage_sel ( struct resource *  bar0, u8  voltage  )

static

Definition at line 134 of file serialio.c.

References read32(), res2mmio(), SIO_REG_PPR_GEN, SIO_REG_PPR_GEN_VOLTAGE, SIO_REG_PPR_GEN_VOLTAGE_MASK, voltage, and write32().

Referenced by serialio_init().

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serialio_init()

static void serialio_init ( struct device *  dev )

static

Definition at line 157 of file serialio.c.

References acpi_get_device_nvs(), device_nvs::bar0, device_nvs::bar1, BIOS_DEBUG, config, config_of(), pci_path::devfn, device_nvs::enable, device::path, PCH_DEVFN_I2C0, PCH_DEVFN_I2C1, PCH_DEVFN_SDIO, PCH_DEVFN_SDMA, PCH_DEVFN_SPI0, PCH_DEVFN_SPI1, PCH_DEVFN_UART0, PCH_DEVFN_UART1, device_path::pci, PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_1, PCI_COMMAND, PCI_COMMAND_MASTER, PCI_COMMAND_MEMORY, pci_or_config16(), printk, probe_resource(), serialio_d21_ltr(), serialio_d21_mode(), serialio_d23_ltr(), serialio_d23_mode(), serialio_enable_clock(), serialio_enable_d3hot(), serialio_i2c_voltage_sel(), serialio_init_once(), serialio_uart_is_debug(), SIO_ID_I2C0, SIO_ID_I2C1, SIO_ID_SDIO, SIO_ID_SDMA, SIO_ID_SPI0, SIO_ID_SPI1, SIO_ID_UART0, SIO_ID_UART1, SIO_PIN_INTB, SIO_PIN_INTC, and SIO_PIN_INTD.

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serialio_init_once()

static void serialio_init_once ( int  acpi_mode )

static

Definition at line 143 of file serialio.c.

References ACPIIRQEN, pch_iobp_update(), RCBA32_OR, and SIO_IOBP_GPIODF.

Referenced by serialio_init().

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serialio_read_resources()

static void serialio_read_resources ( struct device *  dev )

static

Definition at line 253 of file serialio.c.

serialio_uart_is_debug()

static bool serialio_uart_is_debug ( struct device *  dev )

static

Definition at line 27 of file serialio.c.

References CONFIG, pci_path::devfn, device::path, PCH_DEVFN_UART0, PCH_DEVFN_UART1, and device_path::pci.

Referenced by serialio_init().

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Variable Documentation

__pci_driver

const struct pci_driver pch_pcie __pci_driver

static

Initial value:

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

Definition at line 274 of file serialio.c.

device_ops

struct device_operations device_ops

static

Initial value:

= {
        .read_resources         = &serialio_read_resources,
        .set_resources          = &pci_dev_set_resources,
        .enable_resources       = &pci_dev_enable_resources,
        .init                   = &serialio_init,
        .ops_pci                = &pci_dev_ops_pci,
}

Definition at line 253 of file serialio.c.

pci_device_ids

const unsigned short pci_device_ids[]

static

Initial value:

= {
        0x9c60, 0x9ce0, 
        0x9c61, 0x9ce1, 
        0x9c62, 0x9ce2, 
        0x9c65, 0x9ce5, 
        0x9c66, 0x9ce6, 
        0x9c63, 0x9ce3, 
        0x9c64, 0x9ce4, 
        0x9c35, 0x9cb5, 
        0
}

Definition at line 274 of file serialio.c.