i210.c File Reference

#include "i210.h"
#include <device/device.h>
#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <string.h>
#include <types.h>
#include <delay.h>

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Functions
static int	wait_done (uint32_t *reg, uint32_t mask)
static uint32_t	read_flash (struct device *dev, uint32_t address, uint32_t count, uint16_t *buffer)
	This function can read the configuration space of the MACPHY For this purpose, the EEPROM interface is used. More...
static uint32_t	compute_checksum (struct device *dev, uint16_t *checksum)
	This function computes the checksum for the configuration space. More...
static uint32_t	write_flash (struct device *dev, uint32_t address, uint32_t count, uint16_t *buffer)
	This function can write the configuration space of the MACPHY For this purpose, the EEPROM interface is used. More...
static uint32_t	read_mac_adr (struct device *dev, uint8_t *mac_adr)
	This function can read the MAC address out of the MACPHY. More...
static uint32_t	write_mac_adr (struct device *dev, uint8_t *mac_adr)
	This function can write the MAC address to the MACPHY. More...
static void	init (struct device *dev)
	This function is the driver entry point for the init phase of the PCI bus allocator. More...
static void	enable_bus_master (struct device *dev)

Variables
static struct device_operations	i210_ops
static const unsigned short	i210_device_ids [] = { 0x1537, 0x1538, 0x1533, 0 }
static const struct pci_driver i210_driver	__pci_driver

Function Documentation

compute_checksum()

static uint32_t compute_checksum ( struct device *  dev, uint16_t *  checksum  )

static

This function computes the checksum for the configuration space.

The address range for the checksum is 0x00..0x3e.

Parameters

*dev	Pointer to the PCI device of this MACPHY
*checksum	Pointer to the buffer where to store the checksum

Returns

void I210_NO_ERROR or an error code

Definition at line 72 of file i210.c.

References checksum(), I210_READ_ERROR, I210_SUCCESS, I210_TARGET_CHECKSUM, and read_flash().

Referenced by write_flash().

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enable_bus_master()

static void enable_bus_master ( struct device *  dev )

static

Definition at line 209 of file i210.c.

References CONFIG, PCI_COMMAND, PCI_COMMAND_MASTER, and pci_or_config16().

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init()

static void init ( struct device *  dev )

static

This function is the driver entry point for the init phase of the PCI bus allocator.

It will program a MAC address into the MACPHY.

Parameters

*dev	Pointer to the used PCI device

Returns

void Nothing is given back

Definition at line 181 of file i210.c.

References BIOS_ERR, BIOS_INFO, BIOS_NOTICE, CB_SUCCESS, mainboard_get_mac_address(), memcmp(), printk, read_mac_adr(), and write_mac_adr().

Referenced by dapc_init(), and mipi_panel_parse_init_commands().

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read_flash()

static uint32_t read_flash ( struct device *  dev, uint32_t  address, uint32_t  count, uint16_t *  buffer  )

static

This function can read the configuration space of the MACPHY For this purpose, the EEPROM interface is used.

No direct access to the flash memory will be done.

Parameters

*dev	Pointer to the PCI device of this MACPHY
address	Address inside the flash where reading will start
count	Number of words (16 bit values) to read
*buffer	Pointer to the buffer where to store read data

Returns

void I210_NO_ERROR or an error code

Definition at line 37 of file i210.c.

References address, buffer, count, I210_DONE, I210_INVALID_PARAM, I210_NOT_READY, I210_READ_ERROR, I210_REG_EEREAD, I210_SUCCESS, PCI_BASE_ADDRESS_0, pci_read_config32(), and wait_done().

Referenced by compute_checksum(), and read_mac_adr().

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read_mac_adr()

static uint32_t read_mac_adr ( struct device *  dev, uint8_t *  mac_adr  )

static

This function can read the MAC address out of the MACPHY.

Parameters

*dev	Pointer to the PCI device of this MACPHY
*MACAdr	Pointer to the buffer where to store read MAC address

Returns

void I210_NO_ERROR or an error code

Definition at line 147 of file i210.c.

References I210_INVALID_PARAM, I210_READ_ERROR, I210_SUCCESS, memcpy(), and read_flash().

Referenced by init().

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wait_done()

static int wait_done ( uint32_t *  reg, uint32_t  mask  )

static

Definition at line 16 of file i210.c.

References I210_NOT_READY, I210_POLL_TIMEOUT_US, I210_SUCCESS, mask, and udelay().

Referenced by read_flash(), and write_flash().

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write_flash()

static uint32_t write_flash ( struct device *  dev, uint32_t  address, uint32_t  count, uint16_t *  buffer  )

static

This function can write the configuration space of the MACPHY For this purpose, the EEPROM interface is used.

No direct access to the flash memory will be done. This function will update the checksum after a value was changed.

Parameters

*dev	Pointer to the PCI device of this MACPHY
address	Address inside the flash where writing will start
count	Number of words (16 bit values) to write
*buffer	Pointer to the buffer where data to write is stored in

Returns

void I210_NO_ERROR or an error code

Definition at line 99 of file i210.c.

References address, buffer, checksum(), compute_checksum(), count, I210_CHECKSUM_ERROR, I210_DONE, I210_FLASH_UPDATE_ERROR, I210_FLUDONE, I210_FLUPD, I210_INVALID_PARAM, I210_NOT_READY, I210_REG_EECTRL, I210_REG_EEWRITE, I210_SUCCESS, I210_WRITE_ERROR, pci_read_config32(), and wait_done().

Referenced by write_mac_adr().

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write_mac_adr()

static uint32_t write_mac_adr ( struct device *  dev, uint8_t *  mac_adr  )

static

This function can write the MAC address to the MACPHY.

Parameters

*dev	Pointer to the PCI device of this MACPHY
*MACAdr	Pointer to the buffer where the desired MAC address is

Returns

void I210_NO_ERROR or an error code

Definition at line 165 of file i210.c.

References I210_INVALID_PARAM, memcpy(), and write_flash().

Referenced by init().

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Variable Documentation

__pci_driver

const struct pci_driver i210_driver __pci_driver

static

Initial value:

= {
        .ops    = &i210_ops,
        .vendor = PCI_VID_INTEL,
        .devices = i210_device_ids,
}

Definition at line 223 of file i210.c.

i210_device_ids

const unsigned short i210_device_ids[] = { 0x1537, 0x1538, 0x1533, 0 }

static

Definition at line 223 of file i210.c.

i210_ops

struct device_operations i210_ops

static

Initial value:

= {
        .read_resources   = pci_dev_read_resources,
        .set_resources    = pci_dev_set_resources,
        .enable_resources = pci_dev_enable_resources,
        .init             = init,
        .final            = enable_bus_master,
}

Definition at line 209 of file i210.c.