| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright 2021 Gateworks Corporation |
| */ |
| |
| #ifndef _GSC_H_ |
| #define _GSC_H_ |
| |
| /* I2C bus numbers */ |
| #define GSC_BUSNO 0 |
| #define BASEBOARD_EEPROM_BUSNO 1 |
| |
| /* I2C slave addresses */ |
| #define GSC_SC_ADDR 0x20 |
| #define GSC_RTC_ADDR 0x68 |
| #define GSC_HWMON_ADDR 0x29 |
| #define GSC_EEPROM_ADDR 0x51 |
| #define BASEBOARD_EEPROM_ADDR 0x52 |
| |
| struct venice_board_info { |
| u8 mac[6]; /* 0x00: MAC base */ |
| char equiv_dts[16]; /* 0x06: equivalent device-tree */ |
| u8 res0[2]; /* 0x16: reserved */ |
| u32 serial; /* 0x18: Serial Number */ |
| u8 res1[4]; /* 0x1C: reserved */ |
| u8 mfgdate[4]; /* 0x20: MFG date */ |
| u8 macno; /* 0x24: number of mac addrs */ |
| u8 res2[6]; /* 0x25 */ |
| u8 sdram_size; /* 0x2B: (16 << n) MB */ |
| u8 sdram_speed; /* 0x2C: (33.333 * n) MHz */ |
| u8 sdram_width; /* 0x2D: (8 << n) bit */ |
| u8 res3[2]; /* 0x2E */ |
| char model[16]; /* 0x30: model string */ |
| u8 res4[14]; /* 0x40 */ |
| u8 chksum[2]; /* 0x4E */ |
| }; |
| |
| int gsc_init(int quiet); |
| int gsc_hwmon(void); |
| const char *gsc_get_model(void); |
| const char *gsc_get_dtb_name(int level, char *buf, int len); |
| int gsc_getmac(int index, uint8_t *enetaddr); |
| uint32_t gsc_get_serial(void); |
| |
| #endif |