1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2015 Reinhard Pfau <reinhard.pfau@gdsys.cc> 4 */ 5 6 #ifndef _MVEBU_EFUSE_H 7 #define _MVEBU_EFUSE_H 8 9 #include <common.h> 10 11 struct efuse_val { 12 union { 13 struct { 14 u8 d[8]; 15 } bytes; 16 struct { 17 u16 d[4]; 18 } words; 19 struct { 20 u32 d[2]; 21 } dwords; 22 }; 23 u32 lock; 24 }; 25 26 #if defined(CONFIG_ARMADA_38X) 27 28 enum efuse_line { 29 EFUSE_LINE_SECURE_BOOT = 24, 30 EFUSE_LINE_PUBKEY_DIGEST_0 = 26, 31 EFUSE_LINE_PUBKEY_DIGEST_1 = 27, 32 EFUSE_LINE_PUBKEY_DIGEST_2 = 28, 33 EFUSE_LINE_PUBKEY_DIGEST_3 = 29, 34 EFUSE_LINE_PUBKEY_DIGEST_4 = 30, 35 EFUSE_LINE_CSK_0_VALID = 31, 36 EFUSE_LINE_CSK_1_VALID = 32, 37 EFUSE_LINE_CSK_2_VALID = 33, 38 EFUSE_LINE_CSK_3_VALID = 34, 39 EFUSE_LINE_CSK_4_VALID = 35, 40 EFUSE_LINE_CSK_5_VALID = 36, 41 EFUSE_LINE_CSK_6_VALID = 37, 42 EFUSE_LINE_CSK_7_VALID = 38, 43 EFUSE_LINE_CSK_8_VALID = 39, 44 EFUSE_LINE_CSK_9_VALID = 40, 45 EFUSE_LINE_CSK_10_VALID = 41, 46 EFUSE_LINE_CSK_11_VALID = 42, 47 EFUSE_LINE_CSK_12_VALID = 43, 48 EFUSE_LINE_CSK_13_VALID = 44, 49 EFUSE_LINE_CSK_14_VALID = 45, 50 EFUSE_LINE_CSK_15_VALID = 46, 51 EFUSE_LINE_FLASH_ID = 47, 52 EFUSE_LINE_BOX_ID = 48, 53 54 EFUSE_LINE_MIN = 0, 55 EFUSE_LINE_MAX = 63, 56 }; 57 58 #endif 59 60 int mvebu_efuse_init_hw(void); 61 62 int mvebu_read_efuse(int nr, struct efuse_val *val); 63 64 int mvebu_write_efuse(int nr, struct efuse_val *val); 65 66 int mvebu_lock_efuse(int nr); 67 68 #endif 69