src/mainboard/google/skyrim/spi_speeds.c


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/* SPDX-License-Identifier: GPL-2.0-or-later */

#include <amdblocks/spi.h>
#include <boardid.h>
#include <stdint.h>

void mainboard_spi_cfg_override(uint8_t *fast_speed, uint8_t *read_mode)
{
	uint32_t board_ver = board_id();

	if (board_ver >= CONFIG_OVERRIDE_EFS_SPI_SPEED_MIN_BOARD)
		*fast_speed = CONFIG_OVERRIDE_EFS_SPI_SPEED;

	/*
	 * Due to a hardware limitation, Dual I/O 1-2-2 Read mode is supported starting
	 * board version 3. This hardware limitation applies only to Skyrim reference
	 * design.
	 */
	if (CONFIG(BOARD_GOOGLE_SKYRIM) && board_ver >= 3)
		*read_mode = SPI_READ_MODE_DUAL122;
}