coreboot-kgpe-d16/src/lib/bmp_logo.c
Kyösti Mälkki 4949a3dd62 drivers/intel/fsp1_1,fsp2_0: Refactor logo display
Hide the detail of allocation from cbmem from the FSP.

Loading of a BMP logo file from CBFS is not tied to FSP
version and we do not need two copies of the code, move
it under lib/.

Change-Id: I909f2771af534993cf8ba99ff0acd0bbd2c78f04
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50359
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2021-02-09 07:52:31 +00:00

37 lines
743 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <bootsplash.h>
#include <cbfs.h>
#include <cbmem.h>
#include <stdint.h>
static const struct cbmem_entry *logo_entry;
void bmp_load_logo(uint32_t *logo_ptr, uint32_t *logo_size)
{
void *logo_buffer;
/* CBMEM is locked for S3 resume path. */
if (acpi_is_wakeup_s3())
return;
logo_entry = cbmem_entry_add(CBMEM_ID_FSP_LOGO, 1 * MiB);
if (!logo_entry)
return;
logo_buffer = cbmem_entry_start(logo_entry);
if (!logo_buffer)
return;
*logo_size = cbfs_load("logo.bmp", logo_buffer, 1 * MiB);
if (*logo_size)
*logo_ptr = (uintptr_t)logo_buffer;
}
void bmp_release_logo(void)
{
if (logo_entry)
cbmem_entry_remove(logo_entry);
logo_entry = NULL;
}