#include <cbfs.h>
#include <cbmem.h>
#include <console/console.h>
#include <fallback.h>
#include <halt.h>
#include <lib.h>
#include <program_loading.h>
#include <romstage_handoff.h>
#include <rmodule.h>
#include <rules.h>
#include <stage_cache.h>
#include <symbols.h>
#include <timestamp.h>
/* Only can represent up to 1 byte less than size_t. */
const struct mem_region_device addrspace_32bit = MEM_REGION_DEV_INIT(0, ~0UL);
void run_romstage(void)
{
struct prog romstage =
PROG_INIT(ASSET_ROMSTAGE, CONFIG_CBFS_PREFIX "/romstage");
if (prog_locate(&romstage))
goto fail;
timestamp_add_now(TS_START_COPYROM);
if (cbfs_prog_stage_load(&romstage))
goto fail;
timestamp_add_now(TS_END_COPYROM);
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <boot_device.h>
#include <console/console.h>
#include <cbfs.h>
#include <endian.h>
#include <stdlib.h>
/* The ROM is memory mapped just below 4GiB. Form a pointer for the base. */
#define rom_base ((void *)(uintptr_t)(0x100000000ULL-CONFIG_ROM_SIZE))
static const struct mem_region_device boot_dev =
MEM_REGION_DEV_INIT(rom_base, CONFIG_ROM_SIZE);
const struct region_device *boot_device_ro(void)
{
return &boot_dev.rdev;
}
int cbfs_boot_region_properties(struct cbfs_props *props)
{
struct cbfs_header header;
int32_t offset;
const struct region_device *bdev;
bdev = boot_device_ro();
rdev_readat(bdev, &offset, CONFIG_ROM_SIZE - sizeof(offset),
if (!first_run)
return 0;
if (!irom_load_sdmmc(1, count, _cbfs_cache)) {
printk(BIOS_EMERG, "Unable to load CBFS image from SDMMC!\n");
return -1;
}
printk(BIOS_DEBUG, "SDMMC read successful, CBFS image should now be"
" at %p\n", _cbfs_cache);
first_run = 0;
#endif
return 0;
}
static struct mem_region_device alternate_rdev = MEM_REGION_DEV_INIT(NULL, 0);
const struct region_device *boot_device_ro(void)
{
if (*iram_secondary_base == SECONDARY_BASE_BOOT_USB)
return &alternate_rdev.rdev;
switch (exynos_power->om_stat & OM_STAT_MASK) {
case OM_STAT_SDMMC:
return &alternate_rdev.rdev;
case OM_STAT_SPI:
return exynos_spi_boot_device();
default:
printk(BIOS_EMERG, "Exynos OM_STAT value 0x%x not supported!\n",
exynos_power->om_stat);
return NULL;
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <boot_device.h>
#include <cbfs.h>
#include <string.h>
#include <symbols.h>
#include <console/console.h>
/* Maps directly to qemu memory mapped space of 0x10000 up to rom size. */
static const struct mem_region_device gboot_dev =
MEM_REGION_DEV_INIT((void *)0x10000, CONFIG_ROM_SIZE);
const struct region_device *boot_device_ro(void)
{
return &gboot_dev.rdev;
}
static int emu_rom_open(struct cbfs_media *media)
{
return 0;
}
static void *emu_rom_map(struct cbfs_media *media, size_t offset, size_t count)
{
const struct region_device *boot_dev;
void *ptr;
