diff options
Diffstat (limited to 'include/drivers/nxp/sfp/sfp.h')
-rw-r--r-- | include/drivers/nxp/sfp/sfp.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/drivers/nxp/sfp/sfp.h b/include/drivers/nxp/sfp/sfp.h new file mode 100644 index 0000000..2cb4c7d --- /dev/null +++ b/include/drivers/nxp/sfp/sfp.h @@ -0,0 +1,100 @@ +/* + * Copyright 2021 NXP + * + * SPDX-License-Identifier: BSD-3-Clause + * + */ + +#ifndef SFP_H +#define SFP_H + +#include <endian.h> +#include <lib/mmio.h> + +/* SFP Configuration Register Offsets */ +#define SFP_INGR_OFFSET U(0x20) +#define SFP_SVHESR_OFFSET U(0x24) +#define SFP_SFPCR_OFFSET U(0x28) +#define SFP_VER_OFFSET U(0x38) + +/* SFP Hamming register masks for OTPMK and DRV */ +#define SFP_SVHESR_DRV_MASK U(0x7F) +#define SFP_SVHESR_OTPMK_MASK U(0x7FC00) + +/* SFP commands */ +#define SFP_INGR_READFB_CMD U(0x1) +#define SFP_INGR_PROGFB_CMD U(0x2) +#define SFP_INGR_ERROR_MASK U(0x100) + +/* SFPCR Masks */ +#define SFP_SFPCR_WD U(0x80000000) +#define SFP_SFPCR_WDL U(0x40000000) + +/* SFPCR Masks */ +#define SFP_SFPCR_WD U(0x80000000) +#define SFP_SFPCR_WDL U(0x40000000) + +#define SFP_FUSE_REGS_OFFSET U(0x200) + +#ifdef NXP_SFP_VER_3_4 +#define OSPR0_SC_MASK U(0xC000FE35) +#elif defined(NXP_SFP_VER_3_2) +#define OSPR0_SC_MASK U(0x0000E035) +#endif + +#if defined(NXP_SFP_VER_3_4) +#define OSPR_KEY_REVOC_SHIFT U(9) +#define OSPR_KEY_REVOC_MASK U(0x0000fe00) +#elif defined(NXP_SFP_VER_3_2) +#define OSPR_KEY_REVOC_SHIFT U(13) +#define OSPR_KEY_REVOC_MASK U(0x0000e000) +#endif /* NXP_SFP_VER_3_4 */ + +#define OSPR1_MC_MASK U(0xFFFF0000) +#define OSPR1_DBG_LVL_MASK U(0x00000007) + +#define OSPR_ITS_MASK U(0x00000004) +#define OSPR_WP_MASK U(0x00000001) + +#define MAX_OEM_UID U(5) +#define SRK_HASH_SIZE U(32) + +/* SFP CCSR Register Map */ +struct sfp_ccsr_regs_t { + uint32_t ospr; /* 0x200 OSPR0 */ + uint32_t ospr1; /* 0x204 OSPR1 */ + uint32_t dcv[2]; /* 0x208 Debug Challenge Value */ + uint32_t drv[2]; /* 0x210 Debug Response Value */ + uint32_t fswpr; /* 0x218 FSL Section Write Protect */ + uint32_t fsl_uid[2]; /* 0x21c FSL UID 0 */ + uint32_t isbcr; /* 0x224 ISBC Configuration */ + uint32_t fsspr[3]; /* 0x228 FSL Scratch Pad */ + uint32_t otpmk[8]; /* 0x234 OTPMK */ + uint32_t srk_hash[SRK_HASH_SIZE/sizeof(uint32_t)]; + /* 0x254 Super Root Key Hash */ + uint32_t oem_uid[MAX_OEM_UID]; /* 0x274 OEM UID 0 */ +}; + +uintptr_t get_sfp_addr(void); +void sfp_init(uintptr_t nxp_sfp_addr); +uint32_t *get_sfp_srk_hash(void); +int sfp_check_its(void); +int sfp_check_oem_wp(void); +uint32_t get_key_revoc(void); +void set_sfp_wr_disable(void); +int sfp_program_fuses(void); + +uint32_t sfp_read_oem_uid(uint8_t oem_uid); +uint32_t sfp_write_oem_uid(uint8_t oem_uid, uint32_t sfp_val); + +#ifdef NXP_SFP_BE +#define sfp_read32(a) bswap32(mmio_read_32((uintptr_t)(a))) +#define sfp_write32(a, v) mmio_write_32((uintptr_t)(a), bswap32(v)) +#elif defined(NXP_SFP_LE) +#define sfp_read32(a) mmio_read_32((uintptr_t)(a)) +#define sfp_write32(a, v) mmio_write_32((uintptr_t)(a), (v)) +#else +#error Please define CCSR SFP register endianness +#endif + +#endif/* SFP_H */ |