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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2024 PHYTEC Messtechnik GmbH
* Author: Daniel Schultz <d.schultz@phytec.de>
*/
#ifndef _PHYTEC_AM6_SOM_DETECTION_H
#define _PHYTEC_AM6_SOM_DETECTION_H
#include "phytec_som_detection.h"
#define EEPROM_ADDR 0x50
#define PHYTEC_AM62X_SOM 71
#define PHYTEC_AM62AX_SOM 75
#define PHYTEC_AM64X_SOM 72
#define PHYTEC_EEPROM_VALUE_X 0x21
#define PHYTEC_EEPROM_NOR_FLASH_64MB_QSPI 0xC
enum {
EEPROM_RAM_SIZE_512MB = 0,
EEPROM_RAM_SIZE_1GB = 1,
EEPROM_RAM_SIZE_2GB = 2,
EEPROM_RAM_SIZE_4GB = 4
};
int __maybe_unused phytec_am6_detect(struct phytec_eeprom_data *data);
u8 __maybe_unused phytec_get_am6_ddr_size(struct phytec_eeprom_data *data);
u8 __maybe_unused phytec_get_am6_spi(struct phytec_eeprom_data *data);
u8 __maybe_unused phytec_get_am6_eth(struct phytec_eeprom_data *data);
u8 __maybe_unused phytec_get_am6_rtc(struct phytec_eeprom_data *data);
static inline int phytec_am6_is_qspi(struct phytec_eeprom_data *data)
{
u8 spi = phytec_get_am6_spi(data);
if (spi == PHYTEC_EEPROM_VALUE_X)
return 0;
return spi <= PHYTEC_EEPROM_NOR_FLASH_64MB_QSPI;
}
static inline int phytec_am6_is_ospi(struct phytec_eeprom_data *data)
{
return phytec_get_am6_spi(data) > PHYTEC_EEPROM_NOR_FLASH_64MB_QSPI;
}
#endif /* _PHYTEC_AM6_SOM_DETECTION_H */
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