boot_device_rw_nommap.c File Reference

#include <boot_device.h>
#include <spi_flash.h>
#include <spi-generic.h>
#include <stdint.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)
static void	boot_device_rw_init (void)
const struct region_device *	boot_device_rw (void)
const struct spi_flash *	boot_device_spi_flash (void)
int	boot_device_wp_region (const struct region_device *rd, const enum bootdev_prot_type type)

Variables
static struct spi_flash	sfg
static bool	sfg_init_done
static const struct region_device_ops	spi_ops
static const struct region_device	spi_rw

Function Documentation

boot_device_rw()

const struct region_device* boot_device_rw

(

void

)

Definition at line 62 of file boot_device_rw_nommap.c.

References boot_device_rw_init(), NULL, sfg_init_done, and spi_rw.

Referenced by boot_device_rw_subregion().

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boot_device_rw_init()

static void boot_device_rw_init ( void  )

static

Definition at line 47 of file boot_device_rw_nommap.c.

References sfg, sfg_init_done, spi_flash_probe(), and spi_init().

Referenced by boot_device_rw(), and boot_device_spi_flash().

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boot_device_spi_flash()

const struct spi_flash* boot_device_spi_flash

(

void

)

Definition at line 73 of file boot_device_rw_nommap.c.

References boot_device_rw_init(), NULL, sfg, and sfg_init_done.

Referenced by boot_device_wp_region(), lb_spi_flash(), mainboard_config_cbi_wp(), mainboard_print_info(), nvm_is_write_protected(), nvm_protect(), pre_mem_debug_init(), protect_ro_rgn_spi_flash(), and spi_finalize_ops().

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boot_device_wp_region()

int boot_device_wp_region	(	const struct region_device *	rd,
		const enum bootdev_prot_type	type
	)

Definition at line 83 of file boot_device_rw_nommap.c.

References boot_dev, boot_device_init(), boot_device_spi_flash(), CONFIG, CTRLR_RP, CTRLR_RWP, CTRLR_WP, lock(), MEDIA_WP, NULL, READ_PROTECT, READ_WRITE_PROTECT, region_device_region(), spi_flash_ctrlr_protect_region(), spi_flash_is_write_protected(), spi_flash_set_write_protected(), SPI_WRITE_PROTECTION_PERMANENT, SPI_WRITE_PROTECTION_PIN, SPI_WRITE_PROTECTION_REBOOT, type, and WRITE_PROTECT.

Referenced by boot_device_security_lockdown().

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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 29 of file boot_device_rw_nommap.c.

References offset, sfg, spi_flash::size, and spi_flash_erase().

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spi_readat()

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

static

Definition at line 11 of file boot_device_rw_nommap.c.

References offset, sfg, spi_flash::size, and spi_flash_read().

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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 20 of file boot_device_rw_nommap.c.

References offset, sfg, spi_flash::size, and spi_flash_write().

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Variable Documentation

sfg

struct spi_flash sfg

static

Definition at line 1 of file boot_device_rw_nommap.c.

Referenced by boot_device_rw_init(), boot_device_spi_flash(), spi_eraseat(), spi_readat(), and spi_writeat().

sfg_init_done

bool sfg_init_done

static

Definition at line 9 of file boot_device_rw_nommap.c.

Referenced by boot_device_rw(), boot_device_rw_init(), and boot_device_spi_flash().

spi_ops

const struct region_device_ops spi_ops

static

Initial value:

= {
        .readat = spi_readat,
        .writeat = spi_writeat,
        .eraseat = spi_eraseat,
}

Definition at line 29 of file boot_device_rw_nommap.c.

spi_rw

const struct region_device spi_rw

static

Initial value:

=
        REGION_DEV_INIT(&spi_ops, 0, CONFIG_ROM_SIZE)

Definition at line 29 of file boot_device_rw_nommap.c.

Referenced by boot_device_rw().