1 /* 2 * Copyright 2021 NXP 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 */ 7 8 #ifndef SFP_H 9 #define SFP_H 10 11 #include <endian.h> 12 #include <lib/mmio.h> 13 14 /* SFP Configuration Register Offsets */ 15 #define SFP_INGR_OFFSET U(0x20) 16 #define SFP_SVHESR_OFFSET U(0x24) 17 #define SFP_SFPCR_OFFSET U(0x28) 18 #define SFP_VER_OFFSET U(0x38) 19 20 /* SFP Hamming register masks for OTPMK and DRV */ 21 #define SFP_SVHESR_DRV_MASK U(0x7F) 22 #define SFP_SVHESR_OTPMK_MASK U(0x7FC00) 23 24 /* SFP commands */ 25 #define SFP_INGR_READFB_CMD U(0x1) 26 #define SFP_INGR_PROGFB_CMD U(0x2) 27 #define SFP_INGR_ERROR_MASK U(0x100) 28 29 /* SFPCR Masks */ 30 #define SFP_SFPCR_WD U(0x80000000) 31 #define SFP_SFPCR_WDL U(0x40000000) 32 33 /* SFPCR Masks */ 34 #define SFP_SFPCR_WD U(0x80000000) 35 #define SFP_SFPCR_WDL U(0x40000000) 36 37 #define SFP_FUSE_REGS_OFFSET U(0x200) 38 39 #ifdef NXP_SFP_VER_3_4 40 #define OSPR0_SC_MASK U(0xC000FE35) 41 #elif defined(NXP_SFP_VER_3_2) 42 #define OSPR0_SC_MASK U(0x0000E035) 43 #endif 44 45 #if defined(NXP_SFP_VER_3_4) 46 #define OSPR_KEY_REVOC_SHIFT U(9) 47 #define OSPR_KEY_REVOC_MASK U(0x0000fe00) 48 #elif defined(NXP_SFP_VER_3_2) 49 #define OSPR_KEY_REVOC_SHIFT U(13) 50 #define OSPR_KEY_REVOC_MASK U(0x0000e000) 51 #endif /* NXP_SFP_VER_3_4 */ 52 53 #define OSPR1_MC_MASK U(0xFFFF0000) 54 #define OSPR1_DBG_LVL_MASK U(0x00000007) 55 56 #define OSPR_ITS_MASK U(0x00000004) 57 #define OSPR_WP_MASK U(0x00000001) 58 59 #define MAX_OEM_UID U(5) 60 #define SRK_HASH_SIZE U(32) 61 62 /* SFP CCSR Register Map */ 63 struct sfp_ccsr_regs_t { 64 uint32_t ospr; /* 0x200 OSPR0 */ 65 uint32_t ospr1; /* 0x204 OSPR1 */ 66 uint32_t dcv[2]; /* 0x208 Debug Challenge Value */ 67 uint32_t drv[2]; /* 0x210 Debug Response Value */ 68 uint32_t fswpr; /* 0x218 FSL Section Write Protect */ 69 uint32_t fsl_uid[2]; /* 0x21c FSL UID 0 */ 70 uint32_t isbcr; /* 0x224 ISBC Configuration */ 71 uint32_t fsspr[3]; /* 0x228 FSL Scratch Pad */ 72 uint32_t otpmk[8]; /* 0x234 OTPMK */ 73 uint32_t srk_hash[SRK_HASH_SIZE/sizeof(uint32_t)]; 74 /* 0x254 Super Root Key Hash */ 75 uint32_t oem_uid[MAX_OEM_UID]; /* 0x274 OEM UID 0 */ 76 }; 77 78 uintptr_t get_sfp_addr(void); 79 void sfp_init(uintptr_t nxp_sfp_addr); 80 uint32_t *get_sfp_srk_hash(void); 81 int sfp_check_its(void); 82 int sfp_check_oem_wp(void); 83 uint32_t get_key_revoc(void); 84 void set_sfp_wr_disable(void); 85 int sfp_program_fuses(void); 86 87 uint32_t sfp_read_oem_uid(uint8_t oem_uid); 88 uint32_t sfp_write_oem_uid(uint8_t oem_uid, uint32_t sfp_val); 89 90 #ifdef NXP_SFP_BE 91 #define sfp_read32(a) bswap32(mmio_read_32((uintptr_t)(a))) 92 #define sfp_write32(a, v) mmio_write_32((uintptr_t)(a), bswap32(v)) 93 #elif defined(NXP_SFP_LE) 94 #define sfp_read32(a) mmio_read_32((uintptr_t)(a)) 95 #define sfp_write32(a, v) mmio_write_32((uintptr_t)(a), (v)) 96 #else 97 #error Please define CCSR SFP register endianness 98 #endif 99 100 #endif/* SFP_H */ 101