diff options
Diffstat (limited to 'drivers/spi/ich.h')
| -rw-r--r-- | drivers/spi/ich.h | 56 |
1 files changed, 42 insertions, 14 deletions
diff --git a/drivers/spi/ich.h b/drivers/spi/ich.h index 1419b23..6344e80 100644 --- a/drivers/spi/ich.h +++ b/drivers/spi/ich.h @@ -6,6 +6,9 @@ * This file is derived from the flashrom project. */ +#ifndef _ICH_H_ +#define _ICH_H_ + struct ich7_spi_regs { uint16_t spis; uint16_t spic; @@ -19,34 +22,34 @@ struct ich7_spi_regs { } __packed; struct ich9_spi_regs { - uint32_t bfpr; /* 0x00 */ + uint32_t bfpr; /* 0x00 */ uint16_t hsfs; uint16_t hsfc; uint32_t faddr; uint32_t _reserved0; - uint32_t fdata[16]; /* 0x10 */ - uint32_t frap; /* 0x50 */ + uint32_t fdata[16]; /* 0x10 */ + uint32_t frap; /* 0x50 */ uint32_t freg[5]; uint32_t _reserved1[3]; - uint32_t pr[5]; /* 0x74 */ + uint32_t pr[5]; /* 0x74 */ uint32_t _reserved2[2]; - uint8_t ssfs; /* 0x90 */ + uint8_t ssfs; /* 0x90 */ uint8_t ssfc[3]; - uint16_t preop; /* 0x94 */ + uint16_t preop; /* 0x94 */ uint16_t optype; - uint8_t opmenu[8]; /* 0x98 */ + uint8_t opmenu[8]; /* 0x98 */ uint32_t bbar; uint8_t _reserved3[12]; - uint32_t fdoc; /* 0xb0 */ + uint32_t fdoc; /* 0xb0 */ uint32_t fdod; uint8_t _reserved4[8]; - uint32_t afc; /* 0xc0 */ + uint32_t afc; /* 0xc0 */ uint32_t lvscc; uint32_t uvscc; uint8_t _reserved5[4]; - uint32_t fpb; /* 0xd0 */ + uint32_t fpb; /* 0xd0 */ uint8_t _reserved6[28]; - uint32_t srdl; /* 0xf0 */ + uint32_t srdl; /* 0xf0 */ uint32_t srdc; uint32_t scs; uint32_t bcr; @@ -121,8 +124,33 @@ struct spi_trans { uint32_t offset; }; -struct ich_spi_slave { - struct spi_slave slave; +#define SPI_OPCODE_WREN 0x06 +#define SPI_OPCODE_FAST_READ 0x0b + +struct ich_spi_platdata { + enum pch_version ich_version; /* Controller version, 7 or 9 */ +}; + +struct ich_spi_priv { + int ichspi_lock; + int locked; + int opmenu; + int menubytes; + void *base; /* Base of register set */ + int preop; + int optype; + int addr; + int data; + unsigned databytes; + int status; + int control; + int bbar; + int bcr; + uint32_t *pr; /* only for ich9 */ + int speed; /* pointer to speed control */ + ulong max_speed; /* Maximum bus speed in MHz */ + ulong cur_speed; /* Current bus speed */ struct spi_trans trans; /* current transaction in progress */ - int speed; /* SPI speed in Hz */ }; + +#endif /* _ICH_H_ */ |