101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
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* Copyright 2021 NXP
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef SFP_H
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#define SFP_H
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#include <endian.h>
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#include <lib/mmio.h>
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/* SFP Configuration Register Offsets */
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#define SFP_INGR_OFFSET U(0x20)
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#define SFP_SVHESR_OFFSET U(0x24)
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#define SFP_SFPCR_OFFSET U(0x28)
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#define SFP_VER_OFFSET U(0x38)
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/* SFP Hamming register masks for OTPMK and DRV */
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#define SFP_SVHESR_DRV_MASK U(0x7F)
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#define SFP_SVHESR_OTPMK_MASK U(0x7FC00)
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/* SFP commands */
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#define SFP_INGR_READFB_CMD U(0x1)
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#define SFP_INGR_PROGFB_CMD U(0x2)
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#define SFP_INGR_ERROR_MASK U(0x100)
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/* SFPCR Masks */
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#define SFP_SFPCR_WD U(0x80000000)
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#define SFP_SFPCR_WDL U(0x40000000)
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/* SFPCR Masks */
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#define SFP_SFPCR_WD U(0x80000000)
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#define SFP_SFPCR_WDL U(0x40000000)
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#define SFP_FUSE_REGS_OFFSET U(0x200)
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#ifdef NXP_SFP_VER_3_4
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#define OSPR0_SC_MASK U(0xC000FE35)
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#elif defined(NXP_SFP_VER_3_2)
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#define OSPR0_SC_MASK U(0x0000E035)
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#endif
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#if defined(NXP_SFP_VER_3_4)
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#define OSPR_KEY_REVOC_SHIFT U(9)
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#define OSPR_KEY_REVOC_MASK U(0x0000fe00)
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#elif defined(NXP_SFP_VER_3_2)
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#define OSPR_KEY_REVOC_SHIFT U(13)
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#define OSPR_KEY_REVOC_MASK U(0x0000e000)
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#endif /* NXP_SFP_VER_3_4 */
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#define OSPR1_MC_MASK U(0xFFFF0000)
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#define OSPR1_DBG_LVL_MASK U(0x00000007)
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#define OSPR_ITS_MASK U(0x00000004)
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#define OSPR_WP_MASK U(0x00000001)
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#define MAX_OEM_UID U(5)
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#define SRK_HASH_SIZE U(32)
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/* SFP CCSR Register Map */
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struct sfp_ccsr_regs_t {
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uint32_t ospr; /* 0x200 OSPR0 */
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uint32_t ospr1; /* 0x204 OSPR1 */
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uint32_t dcv[2]; /* 0x208 Debug Challenge Value */
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uint32_t drv[2]; /* 0x210 Debug Response Value */
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uint32_t fswpr; /* 0x218 FSL Section Write Protect */
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uint32_t fsl_uid[2]; /* 0x21c FSL UID 0 */
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uint32_t isbcr; /* 0x224 ISBC Configuration */
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uint32_t fsspr[3]; /* 0x228 FSL Scratch Pad */
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uint32_t otpmk[8]; /* 0x234 OTPMK */
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uint32_t srk_hash[SRK_HASH_SIZE/sizeof(uint32_t)];
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/* 0x254 Super Root Key Hash */
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uint32_t oem_uid[MAX_OEM_UID]; /* 0x274 OEM UID 0 */
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};
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uintptr_t get_sfp_addr(void);
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void sfp_init(uintptr_t nxp_sfp_addr);
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uint32_t *get_sfp_srk_hash(void);
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int sfp_check_its(void);
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int sfp_check_oem_wp(void);
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uint32_t get_key_revoc(void);
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void set_sfp_wr_disable(void);
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int sfp_program_fuses(void);
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uint32_t sfp_read_oem_uid(uint8_t oem_uid);
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uint32_t sfp_write_oem_uid(uint8_t oem_uid, uint32_t sfp_val);
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#ifdef NXP_SFP_BE
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#define sfp_read32(a) bswap32(mmio_read_32((uintptr_t)(a)))
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#define sfp_write32(a, v) mmio_write_32((uintptr_t)(a), bswap32(v))
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#elif defined(NXP_SFP_LE)
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#define sfp_read32(a) mmio_read_32((uintptr_t)(a))
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#define sfp_write32(a, v) mmio_write_32((uintptr_t)(a), (v))
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#else
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#error Please define CCSR SFP register endianness
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#endif
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#endif/* SFP_H */
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