11853030eSSimon Glass /* 21853030eSSimon Glass * Copyright (c) 2011 The Chromium OS Authors. 31853030eSSimon Glass * 41a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 51853030eSSimon Glass * 61853030eSSimon Glass * This file is derived from the flashrom project. 71853030eSSimon Glass */ 81853030eSSimon Glass 9*9eb4339bSBin Meng #ifndef _ICH_H_ 10*9eb4339bSBin Meng #define _ICH_H_ 11*9eb4339bSBin Meng 121853030eSSimon Glass struct ich7_spi_regs { 131853030eSSimon Glass uint16_t spis; 141853030eSSimon Glass uint16_t spic; 151853030eSSimon Glass uint32_t spia; 161853030eSSimon Glass uint64_t spid[8]; 171853030eSSimon Glass uint64_t _pad; 181853030eSSimon Glass uint32_t bbar; 191853030eSSimon Glass uint16_t preop; 201853030eSSimon Glass uint16_t optype; 211853030eSSimon Glass uint8_t opmenu[8]; 221853030eSSimon Glass } __packed; 231853030eSSimon Glass 241853030eSSimon Glass struct ich9_spi_regs { 251853030eSSimon Glass uint32_t bfpr; /* 0x00 */ 261853030eSSimon Glass uint16_t hsfs; 271853030eSSimon Glass uint16_t hsfc; 281853030eSSimon Glass uint32_t faddr; 291853030eSSimon Glass uint32_t _reserved0; 301853030eSSimon Glass uint32_t fdata[16]; /* 0x10 */ 311853030eSSimon Glass uint32_t frap; /* 0x50 */ 321853030eSSimon Glass uint32_t freg[5]; 331853030eSSimon Glass uint32_t _reserved1[3]; 341853030eSSimon Glass uint32_t pr[5]; /* 0x74 */ 351853030eSSimon Glass uint32_t _reserved2[2]; 361853030eSSimon Glass uint8_t ssfs; /* 0x90 */ 371853030eSSimon Glass uint8_t ssfc[3]; 381853030eSSimon Glass uint16_t preop; /* 0x94 */ 391853030eSSimon Glass uint16_t optype; 401853030eSSimon Glass uint8_t opmenu[8]; /* 0x98 */ 411853030eSSimon Glass uint32_t bbar; 421853030eSSimon Glass uint8_t _reserved3[12]; 435093badbSSimon Glass uint32_t fdoc; /* 0xb0 */ 441853030eSSimon Glass uint32_t fdod; 451853030eSSimon Glass uint8_t _reserved4[8]; 465093badbSSimon Glass uint32_t afc; /* 0xc0 */ 471853030eSSimon Glass uint32_t lvscc; 481853030eSSimon Glass uint32_t uvscc; 491853030eSSimon Glass uint8_t _reserved5[4]; 505093badbSSimon Glass uint32_t fpb; /* 0xd0 */ 511853030eSSimon Glass uint8_t _reserved6[28]; 525093badbSSimon Glass uint32_t srdl; /* 0xf0 */ 531853030eSSimon Glass uint32_t srdc; 545093badbSSimon Glass uint32_t scs; 555093badbSSimon Glass uint32_t bcr; 561853030eSSimon Glass } __packed; 571853030eSSimon Glass 581853030eSSimon Glass enum { 591853030eSSimon Glass SPIS_SCIP = 0x0001, 601853030eSSimon Glass SPIS_GRANT = 0x0002, 611853030eSSimon Glass SPIS_CDS = 0x0004, 621853030eSSimon Glass SPIS_FCERR = 0x0008, 631853030eSSimon Glass SSFS_AEL = 0x0010, 641853030eSSimon Glass SPIS_LOCK = 0x8000, 651853030eSSimon Glass SPIS_RESERVED_MASK = 0x7ff0, 661853030eSSimon Glass SSFS_RESERVED_MASK = 0x7fe2 671853030eSSimon Glass }; 681853030eSSimon Glass 691853030eSSimon Glass enum { 701853030eSSimon Glass SPIC_SCGO = 0x000002, 711853030eSSimon Glass SPIC_ACS = 0x000004, 721853030eSSimon Glass SPIC_SPOP = 0x000008, 731853030eSSimon Glass SPIC_DBC = 0x003f00, 741853030eSSimon Glass SPIC_DS = 0x004000, 751853030eSSimon Glass SPIC_SME = 0x008000, 761853030eSSimon Glass SSFC_SCF_MASK = 0x070000, 771853030eSSimon Glass SSFC_RESERVED = 0xf80000, 781853030eSSimon Glass 791853030eSSimon Glass /* Mask for speed byte, biuts 23:16 of SSFC */ 801853030eSSimon Glass SSFC_SCF_33MHZ = 0x01, 811853030eSSimon Glass }; 821853030eSSimon Glass 831853030eSSimon Glass enum { 841853030eSSimon Glass HSFS_FDONE = 0x0001, 851853030eSSimon Glass HSFS_FCERR = 0x0002, 861853030eSSimon Glass HSFS_AEL = 0x0004, 871853030eSSimon Glass HSFS_BERASE_MASK = 0x0018, 881853030eSSimon Glass HSFS_BERASE_SHIFT = 3, 891853030eSSimon Glass HSFS_SCIP = 0x0020, 901853030eSSimon Glass HSFS_FDOPSS = 0x2000, 911853030eSSimon Glass HSFS_FDV = 0x4000, 921853030eSSimon Glass HSFS_FLOCKDN = 0x8000 931853030eSSimon Glass }; 941853030eSSimon Glass 951853030eSSimon Glass enum { 961853030eSSimon Glass HSFC_FGO = 0x0001, 971853030eSSimon Glass HSFC_FCYCLE_MASK = 0x0006, 981853030eSSimon Glass HSFC_FCYCLE_SHIFT = 1, 991853030eSSimon Glass HSFC_FDBC_MASK = 0x3f00, 1001853030eSSimon Glass HSFC_FDBC_SHIFT = 8, 1011853030eSSimon Glass HSFC_FSMIE = 0x8000 1021853030eSSimon Glass }; 1031853030eSSimon Glass 1041853030eSSimon Glass enum { 1051853030eSSimon Glass SPI_OPCODE_TYPE_READ_NO_ADDRESS = 0, 1061853030eSSimon Glass SPI_OPCODE_TYPE_WRITE_NO_ADDRESS = 1, 1071853030eSSimon Glass SPI_OPCODE_TYPE_READ_WITH_ADDRESS = 2, 1081853030eSSimon Glass SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS = 3 1091853030eSSimon Glass }; 1101853030eSSimon Glass 1111853030eSSimon Glass enum { 1121853030eSSimon Glass ICH_MAX_CMD_LEN = 5, 1131853030eSSimon Glass }; 1141853030eSSimon Glass 1151853030eSSimon Glass struct spi_trans { 1161853030eSSimon Glass uint8_t cmd[ICH_MAX_CMD_LEN]; 1171853030eSSimon Glass int cmd_len; 1181853030eSSimon Glass const uint8_t *out; 1191853030eSSimon Glass uint32_t bytesout; 1201853030eSSimon Glass uint8_t *in; 1211853030eSSimon Glass uint32_t bytesin; 1221853030eSSimon Glass uint8_t type; 1231853030eSSimon Glass uint8_t opcode; 1241853030eSSimon Glass uint32_t offset; 1251853030eSSimon Glass }; 1261853030eSSimon Glass 127*9eb4339bSBin Meng #define SPI_OPCODE_WREN 0x06 128*9eb4339bSBin Meng #define SPI_OPCODE_FAST_READ 0x0b 129*9eb4339bSBin Meng 130*9eb4339bSBin Meng struct ich_spi_platdata { 131*9eb4339bSBin Meng enum pch_version ich_version; /* Controller version, 7 or 9 */ 1321853030eSSimon Glass }; 133*9eb4339bSBin Meng 134*9eb4339bSBin Meng struct ich_spi_priv { 135*9eb4339bSBin Meng int ichspi_lock; 136*9eb4339bSBin Meng int locked; 137*9eb4339bSBin Meng int opmenu; 138*9eb4339bSBin Meng int menubytes; 139*9eb4339bSBin Meng void *base; /* Base of register set */ 140*9eb4339bSBin Meng int preop; 141*9eb4339bSBin Meng int optype; 142*9eb4339bSBin Meng int addr; 143*9eb4339bSBin Meng int data; 144*9eb4339bSBin Meng unsigned databytes; 145*9eb4339bSBin Meng int status; 146*9eb4339bSBin Meng int control; 147*9eb4339bSBin Meng int bbar; 148*9eb4339bSBin Meng int bcr; 149*9eb4339bSBin Meng uint32_t *pr; /* only for ich9 */ 150*9eb4339bSBin Meng int speed; /* pointer to speed control */ 151*9eb4339bSBin Meng ulong max_speed; /* Maximum bus speed in MHz */ 152*9eb4339bSBin Meng ulong cur_speed; /* Current bus speed */ 153*9eb4339bSBin Meng struct spi_trans trans; /* current transaction in progress */ 154*9eb4339bSBin Meng }; 155*9eb4339bSBin Meng 156*9eb4339bSBin Meng #endif /* _ICH_H_ */ 157