mirror of
https://github.com/u-boot/u-boot.git
synced 2025-04-23 22:14:54 +00:00
8fe6e9a00f
Add a new nember to the eeprom_data that indicates whether the associated data is valid or not. Make use of this new member in the phytec_eeprom_data_init function by setting the valid value appropriately. Move the eeprom data to a new struct payload that holds the payload of the eeprom. Signed-off-by: Yannic Moog <y.moog@phytec.de> Signed-off-by: Daniel Schultz <d.schultz@phytec.de> Reviewed-by: Teresa Remmet <t.remmet@phytec.de>
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (C) 2023 PHYTEC Messtechnik GmbH
|
|
* Author: Teresa Remmet <t.remmet@phytec.de>
|
|
*/
|
|
|
|
#ifndef _PHYTEC_SOM_DETECTION_H
|
|
#define _PHYTEC_SOM_DETECTION_H
|
|
|
|
#define PHYTEC_MAX_OPTIONS 17
|
|
#define PHYTEC_EEPROM_INVAL 0xff
|
|
|
|
#define PHYTEC_GET_OPTION(option) \
|
|
(((option) > '9') ? (option) - 'A' + 10 : (option) - '0')
|
|
|
|
enum {
|
|
PHYTEC_API_REV0 = 0,
|
|
PHYTEC_API_REV1,
|
|
PHYTEC_API_REV2,
|
|
};
|
|
|
|
enum phytec_som_type_str {
|
|
SOM_TYPE_PCM = 0,
|
|
SOM_TYPE_PCL,
|
|
SOM_TYPE_KSM,
|
|
SOM_TYPE_KSP,
|
|
};
|
|
|
|
static const char * const phytec_som_type_str[] = {
|
|
"PCM",
|
|
"PCL",
|
|
"KSM",
|
|
"KSP",
|
|
};
|
|
|
|
struct phytec_api0_data {
|
|
u8 pcb_rev; /* PCB revision of SoM */
|
|
u8 som_type; /* SoM type */
|
|
u8 ksp_no; /* KSP no */
|
|
char opt[16]; /* SoM options */
|
|
u8 mac[6]; /* MAC address (optional) */
|
|
u8 pad[5]; /* padding */
|
|
u8 cksum; /* checksum */
|
|
} __packed;
|
|
|
|
struct phytec_api2_data {
|
|
u8 pcb_rev; /* PCB revision of SoM */
|
|
u8 pcb_sub_opt_rev; /* PCB subrevision and opt revision */
|
|
u8 som_type; /* SoM type */
|
|
u8 som_no; /* SoM number */
|
|
u8 ksp_no; /* KSP information */
|
|
char opt[PHYTEC_MAX_OPTIONS]; /* SoM options */
|
|
char bom_rev[2]; /* BOM revision */
|
|
u8 mac[6]; /* MAC address (optional) */
|
|
u8 crc8; /* checksum */
|
|
} __packed;
|
|
|
|
struct phytec_eeprom_payload {
|
|
u8 api_rev;
|
|
union {
|
|
struct phytec_api0_data data_api0;
|
|
struct phytec_api2_data data_api2;
|
|
} data;
|
|
} __packed;
|
|
|
|
struct phytec_eeprom_data {
|
|
struct phytec_eeprom_payload payload;
|
|
bool valid;
|
|
};
|
|
|
|
int phytec_eeprom_data_setup_fallback(struct phytec_eeprom_data *data,
|
|
int bus_num, int addr,
|
|
int addr_fallback);
|
|
int phytec_eeprom_data_setup(struct phytec_eeprom_data *data,
|
|
int bus_num, int addr);
|
|
int phytec_eeprom_data_init(struct phytec_eeprom_data *data, int bus_num,
|
|
int addr);
|
|
void __maybe_unused phytec_print_som_info(struct phytec_eeprom_data *data);
|
|
|
|
char * __maybe_unused phytec_get_opt(struct phytec_eeprom_data *data);
|
|
u8 __maybe_unused phytec_get_rev(struct phytec_eeprom_data *data);
|
|
u8 __maybe_unused phytec_get_som_type(struct phytec_eeprom_data *data);
|
|
|
|
#if IS_ENABLED(CONFIG_CMD_EXTENSION)
|
|
struct extension *phytec_add_extension(const char *name, const char *overlay,
|
|
const char *other);
|
|
#endif /* IS_ENABLED(CONFIG_CMD_EXTENSION) */
|
|
|
|
#endif /* _PHYTEC_SOM_DETECTION_H */
|