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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2015 Reinhard Pfau <reinhard.pfau@gdsys.cc>
*/
#ifndef _MVEBU_EFUSE_H
#define _MVEBU_EFUSE_H
struct efuse_val {
union {
struct {
u8 d[8];
} bytes;
struct {
u16 d[4];
} words;
struct {
u32 d[2];
} dwords;
};
u32 lock;
};
#if defined(CONFIG_ARMADA_38X)
enum efuse_line {
EFUSE_LINE_SECURE_BOOT = 24,
EFUSE_LINE_PUBKEY_DIGEST_0 = 26,
EFUSE_LINE_PUBKEY_DIGEST_1 = 27,
EFUSE_LINE_PUBKEY_DIGEST_2 = 28,
EFUSE_LINE_PUBKEY_DIGEST_3 = 29,
EFUSE_LINE_PUBKEY_DIGEST_4 = 30,
EFUSE_LINE_CSK_0_VALID = 31,
EFUSE_LINE_CSK_1_VALID = 32,
EFUSE_LINE_CSK_2_VALID = 33,
EFUSE_LINE_CSK_3_VALID = 34,
EFUSE_LINE_CSK_4_VALID = 35,
EFUSE_LINE_CSK_5_VALID = 36,
EFUSE_LINE_CSK_6_VALID = 37,
EFUSE_LINE_CSK_7_VALID = 38,
EFUSE_LINE_CSK_8_VALID = 39,
EFUSE_LINE_CSK_9_VALID = 40,
EFUSE_LINE_CSK_10_VALID = 41,
EFUSE_LINE_CSK_11_VALID = 42,
EFUSE_LINE_CSK_12_VALID = 43,
EFUSE_LINE_CSK_13_VALID = 44,
EFUSE_LINE_CSK_14_VALID = 45,
EFUSE_LINE_CSK_15_VALID = 46,
EFUSE_LINE_FLASH_ID = 47,
EFUSE_LINE_BOX_ID = 48,
EFUSE_LINE_MIN = 0,
EFUSE_LINE_MAX = 63,
EFUSE_LD0_LINE = 64,
EFUSE_LD1_LINE = 65,
};
#define EFUSE_LD_WORDS 9
#endif
int mvebu_efuse_init_hw(void);
int mvebu_read_efuse(int nr, struct efuse_val *val);
int mvebu_write_efuse(int nr, struct efuse_val *val);
int mvebu_lock_efuse(int nr);
void mvebu_read_ld_efuse(int ld1, u32 *line);
int mvebu_prog_ld_efuse(int ld1, u32 word, u32 val);
#endif
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