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- /* 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
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