sd_media.c File Reference

#include <boot_device.h>
#include <symbols.h>
#include <console/console.h>
#include <assert.h>
#include <commonlib/storage/sd_mmc.h>
#include <cbfs.h>
#include <soc/ti/am335x/mmc.h>
#include <soc/ti/am335x/header.h>

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Macros
#define	COREBOOT_IMAGE_OFFSET   (128 * KiB)
#define	SD_BLOCK_SIZE   512

Functions
static size_t	partial_block_read (uint8_t *dest, uint64_t block, uint32_t offset, uint32_t count)
static ssize_t	sd_readat (const struct region_device *rdev, void *dest, size_t offset, size_t count)
void	boot_device_init (void)
const struct region_device *	boot_device_ro (void)

Variables
static struct am335x_mmc_host	sd_host
static struct storage_media	media
static const struct region_device_ops	am335x_sd_ops
struct omap_image_headers	headers
static struct mmap_helper_region_device	sd_mdev
static bool	init_done = false

Macro Definition Documentation

COREBOOT_IMAGE_OFFSET

#define COREBOOT_IMAGE_OFFSET   (128 * KiB)

Definition at line 16 of file sd_media.c.

SD_BLOCK_SIZE

#define SD_BLOCK_SIZE   512

Definition at line 18 of file sd_media.c.

Function Documentation

boot_device_init()

void boot_device_init

(

void

)

Definition at line 101 of file sd_media.c.

References am335x_mmc_init_storage(), init_done, media, MMCHS0_BASE, am335x_mmc_host::reg, am335x_mmc_host::sd_clock_hz, sd_host, am335x_mmc_host::sd_mmc_ctrlr, storage_display_setup(), and storage_setup_media().

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boot_device_ro()

const struct region_device* boot_device_ro

(

void

)

Definition at line 115 of file sd_media.c.

References mmap_helper_region_device::rdev, and sd_mdev.

partial_block_read()

static size_t partial_block_read ( uint8_t *  dest, uint64_t  block, uint32_t  offset, uint32_t  count  )

static

Definition at line 23 of file sd_media.c.

References assert, BIOS_ERR, count, media, offset, printk, SD_BLOCK_SIZE, and storage_block_read().

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sd_readat()

static ssize_t sd_readat ( const struct region_device *  rdev, void *  dest, size_t  offset, size_t  count  )

static

Definition at line 45 of file sd_media.c.

Variable Documentation

am335x_sd_ops

const struct region_device_ops am335x_sd_ops

static

Initial value:

= {
        .mmap = mmap_helper_rdev_mmap,
        .munmap = mmap_helper_rdev_munmap,
        .readat = sd_readat,
}

Definition at line 45 of file sd_media.c.

headers

struct omap_image_headers headers

extern

Definition at line 10 of file header.c.

Referenced by tegra_i2c_request(), and tegra_i2c_send_recv().

init_done

bool init_done = false

static

Definition at line 99 of file sd_media.c.

Referenced by bios_mmap_init(), and boot_device_init().

media

struct storage_media media

static

Definition at line 1 of file sd_media.c.

Referenced by boot_device_init(), display_capacity(), early_mmc_wake_hw(), mmc_bus_tuning(), mmc_change_freq(), mmc_complete_op_cond(), mmc_recalculate_clock(), mmc_select_hs(), mmc_select_hs200(), mmc_select_hs400(), mmc_send_op_cond(), mmc_send_op_cond_iter(), mmc_set_bus_width(), mmc_set_partition(), mmc_switch(), mmc_update_capacity(), mtk_emmc_early_init(), partial_block_read(), sd_change_freq(), sd_mmc_enter_standby(), sd_mmc_go_idle(), sd_mmc_send_status(), sd_recalculate_clock(), sd_send_if_cond(), sd_send_op_cond(), sd_set_bus_width(), sd_set_partition(), storage_block_erase(), storage_block_fill_write(), storage_block_read(), storage_block_setup(), storage_block_write(), storage_display_setup(), storage_get_current_partition(), storage_partition_name(), storage_read(), storage_set_partition(), storage_setup_media(), storage_startup(), storage_test(), and storage_write().

sd_host

struct am335x_mmc_host sd_host

static

Definition at line 1 of file sd_media.c.

Referenced by boot_device_init().

sd_mdev

struct mmap_helper_region_device sd_mdev

static

Initial value:

= MMAP_HELPER_DEV_INIT(
        &am335x_sd_ops, COREBOOT_IMAGE_OFFSET + sizeof(headers), CONFIG_ROM_SIZE,
        &cbfs_cache)

Definition at line 45 of file sd_media.c.

Referenced by boot_device_ro().