cbfs_spi.c File Reference

#include <boot_device.h>
#include <cbfs.h>
#include <console/console.h>
#include <spi_flash.h>
#include <symbols.h>
#include <stdint.h>
#include <timer.h>

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Functions
static ssize_t	spi_readat (const struct region_device *rd, void *b, size_t offset, size_t size)
static ssize_t	spi_writeat (const struct region_device *rd, const void *b, size_t offset, size_t size)
static ssize_t	spi_eraseat (const struct region_device *rd, size_t offset, size_t size)
void	boot_device_init (void)
const struct region_device *	boot_device_ro (void)
const struct region_device *	boot_device_rw (void)
const struct spi_flash *	boot_device_spi_flash (void)

Variables
static struct spi_flash	spi_flash_info
static bool	spi_flash_init_done
static const struct region_device_ops	spi_ops
static struct mmap_helper_region_device	mdev

Function Documentation

boot_device_init()

void boot_device_init

(

void

)

Definition at line 82 of file cbfs_spi.c.

References spi_flash_info, spi_flash_init_done, and spi_flash_probe().

Referenced by boot_device_spi_flash(), boot_device_wp_region(), find_fmap_directory(), setup_preram_cache(), and vboot_get_cbfs_boot_device().

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boot_device_ro()

const struct region_device* boot_device_ro

(

void

)

Definition at line 97 of file cbfs_spi.c.

References mdev, NULL, mmap_helper_region_device::rdev, and spi_flash_init_done.

Referenced by boot_device_rw().

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boot_device_rw()

const struct region_device* boot_device_rw

(

void

)

Definition at line 106 of file cbfs_spi.c.

References boot_device_ro().

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boot_device_spi_flash()

const struct spi_flash* boot_device_spi_flash

(

void

)

Definition at line 111 of file cbfs_spi.c.

References boot_device_init(), NULL, spi_flash_info, and spi_flash_init_done.

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spi_eraseat()

static ssize_t spi_eraseat ( const struct region_device *  rd, size_t  offset, size_t  size  )

static

Definition at line 62 of file cbfs_spi.c.

spi_readat()

static ssize_t spi_readat ( const struct region_device *  rd, void *  b, size_t  offset, size_t  size  )

static

Definition at line 28 of file cbfs_spi.c.

References BIOS_DEBUG, console_log_level(), KiB, offset, printk, spi_flash_info, spi_flash_read(), stopwatch_duration_usecs(), and stopwatch_init().

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spi_writeat()

static ssize_t spi_writeat ( const struct region_device *  rd, const void *  b, size_t  offset, size_t  size  )

static

Definition at line 54 of file cbfs_spi.c.

References offset, spi_flash_info, and spi_flash_write().

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Variable Documentation

mdev

struct mmap_helper_region_device mdev

static

Initial value:

=
        MMAP_HELPER_DEV_INIT(&spi_ops, 0, CONFIG_ROM_SIZE, &cbfs_cache)

Definition at line 62 of file cbfs_spi.c.

Referenced by boot_dev_dma_readat(), boot_dev_mmap(), boot_device_ro(), mdev_eraseat(), mdev_mmap(), mdev_readat(), mdev_writeat(), mem_region_device_init(), mem_region_device_ro_init(), mem_region_device_rw_init(), mmap_helper_rdev_mmap(), mmap_helper_rdev_munmap(), spi_dma_mmap(), and spi_dma_readat_mmap().

spi_flash_info

struct spi_flash spi_flash_info

static

Definition at line 1 of file cbfs_spi.c.

Referenced by boot_device_init(), boot_device_spi_flash(), spi_readat(), and spi_writeat().

spi_flash_init_done

bool spi_flash_init_done

static

Definition at line 18 of file cbfs_spi.c.

Referenced by boot_device_init(), boot_device_ro(), and boot_device_spi_flash().

spi_ops

const struct region_device_ops spi_ops

static

Initial value:

= {
        .mmap = mmap_helper_rdev_mmap,
        .munmap = mmap_helper_rdev_munmap,
        .readat = spi_readat,
        .writeat = spi_writeat,
        .eraseat = spi_eraseat,
}

Definition at line 62 of file cbfs_spi.c.