1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2024 PHYTEC Messtechnik GmbH
4 * Author: Daniel Schultz <d.schultz@phytec.de>
5 */
6
7#ifndef _PHYTEC_AM6_SOM_DETECTION_H
8#define _PHYTEC_AM6_SOM_DETECTION_H
9
10#include "phytec_som_detection.h"
11
12#define PHYTEC_AM62X_SOM			71
13#define PHYTEC_AM64X_SOM			72
14#define PHYTEC_EEPROM_VALUE_X			0x21
15#define PHYTEC_EEPROM_NOR_FLASH_64MB_QSPI	0xC
16
17int __maybe_unused phytec_am6_detect(struct phytec_eeprom_data *data);
18u8 __maybe_unused phytec_get_am6_ddr_size(struct phytec_eeprom_data *data);
19u8 __maybe_unused phytec_get_am6_spi(struct phytec_eeprom_data *data);
20u8 __maybe_unused phytec_get_am6_eth(struct phytec_eeprom_data *data);
21u8 __maybe_unused phytec_get_am6_rtc(struct phytec_eeprom_data *data);
22
23static inline int phytec_am6_is_qspi(struct phytec_eeprom_data *data)
24{
25	u8 spi = phytec_get_am6_spi(data);
26
27	if (spi == PHYTEC_EEPROM_VALUE_X)
28		return 0;
29	return spi <= PHYTEC_EEPROM_NOR_FLASH_64MB_QSPI;
30}
31
32static inline int phytec_am6_is_ospi(struct phytec_eeprom_data *data)
33{
34	return phytec_get_am6_spi(data) > PHYTEC_EEPROM_NOR_FLASH_64MB_QSPI;
35}
36#endif /* _PHYTEC_AM6_SOM_DETECTION_H */
37