333 строки
7.1 KiB
C
333 строки
7.1 KiB
C
#ifndef __SPI_CAVIUM_H
|
|
#define __SPI_CAVIUM_H
|
|
|
|
#include <linux/clk.h>
|
|
|
|
#define OCTEON_SPI_MAX_BYTES 9
|
|
#define OCTEON_SPI_MAX_CLOCK_HZ 16000000
|
|
|
|
struct octeon_spi_regs {
|
|
int config;
|
|
int status;
|
|
int tx;
|
|
int data;
|
|
};
|
|
|
|
struct octeon_spi {
|
|
void __iomem *register_base;
|
|
u64 last_cfg;
|
|
u64 cs_enax;
|
|
int sys_freq;
|
|
struct octeon_spi_regs regs;
|
|
struct clk *clk;
|
|
};
|
|
|
|
#define OCTEON_SPI_CFG(x) (x->regs.config)
|
|
#define OCTEON_SPI_STS(x) (x->regs.status)
|
|
#define OCTEON_SPI_TX(x) (x->regs.tx)
|
|
#define OCTEON_SPI_DAT0(x) (x->regs.data)
|
|
|
|
int octeon_spi_transfer_one_message(struct spi_master *master,
|
|
struct spi_message *msg);
|
|
|
|
/* MPI register descriptions */
|
|
|
|
#define CVMX_MPI_CFG (CVMX_ADD_IO_SEG(0x0001070000001000ull))
|
|
#define CVMX_MPI_DATX(offset) (CVMX_ADD_IO_SEG(0x0001070000001080ull) + ((offset) & 15) * 8)
|
|
#define CVMX_MPI_STS (CVMX_ADD_IO_SEG(0x0001070000001008ull))
|
|
#define CVMX_MPI_TX (CVMX_ADD_IO_SEG(0x0001070000001010ull))
|
|
|
|
union cvmx_mpi_cfg {
|
|
uint64_t u64;
|
|
struct cvmx_mpi_cfg_s {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_29_63:35;
|
|
uint64_t clkdiv:13;
|
|
uint64_t csena3:1;
|
|
uint64_t csena2:1;
|
|
uint64_t csena1:1;
|
|
uint64_t csena0:1;
|
|
uint64_t cslate:1;
|
|
uint64_t tritx:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t cshi:1;
|
|
uint64_t csena:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t wireor:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t enable:1;
|
|
#else
|
|
uint64_t enable:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t wireor:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t csena:1;
|
|
uint64_t cshi:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t tritx:1;
|
|
uint64_t cslate:1;
|
|
uint64_t csena0:1;
|
|
uint64_t csena1:1;
|
|
uint64_t csena2:1;
|
|
uint64_t csena3:1;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_29_63:35;
|
|
#endif
|
|
} s;
|
|
struct cvmx_mpi_cfg_cn30xx {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_29_63:35;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_12_15:4;
|
|
uint64_t cslate:1;
|
|
uint64_t tritx:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t cshi:1;
|
|
uint64_t csena:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t wireor:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t enable:1;
|
|
#else
|
|
uint64_t enable:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t wireor:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t csena:1;
|
|
uint64_t cshi:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t tritx:1;
|
|
uint64_t cslate:1;
|
|
uint64_t reserved_12_15:4;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_29_63:35;
|
|
#endif
|
|
} cn30xx;
|
|
struct cvmx_mpi_cfg_cn31xx {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_29_63:35;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_11_15:5;
|
|
uint64_t tritx:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t cshi:1;
|
|
uint64_t csena:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t wireor:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t enable:1;
|
|
#else
|
|
uint64_t enable:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t wireor:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t csena:1;
|
|
uint64_t cshi:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t tritx:1;
|
|
uint64_t reserved_11_15:5;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_29_63:35;
|
|
#endif
|
|
} cn31xx;
|
|
struct cvmx_mpi_cfg_cn30xx cn50xx;
|
|
struct cvmx_mpi_cfg_cn61xx {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_29_63:35;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_14_15:2;
|
|
uint64_t csena1:1;
|
|
uint64_t csena0:1;
|
|
uint64_t cslate:1;
|
|
uint64_t tritx:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t cshi:1;
|
|
uint64_t reserved_6_6:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t wireor:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t enable:1;
|
|
#else
|
|
uint64_t enable:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t wireor:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t reserved_6_6:1;
|
|
uint64_t cshi:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t tritx:1;
|
|
uint64_t cslate:1;
|
|
uint64_t csena0:1;
|
|
uint64_t csena1:1;
|
|
uint64_t reserved_14_15:2;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_29_63:35;
|
|
#endif
|
|
} cn61xx;
|
|
struct cvmx_mpi_cfg_cn66xx {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_29_63:35;
|
|
uint64_t clkdiv:13;
|
|
uint64_t csena3:1;
|
|
uint64_t csena2:1;
|
|
uint64_t reserved_12_13:2;
|
|
uint64_t cslate:1;
|
|
uint64_t tritx:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t cshi:1;
|
|
uint64_t reserved_6_6:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t wireor:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t enable:1;
|
|
#else
|
|
uint64_t enable:1;
|
|
uint64_t idlelo:1;
|
|
uint64_t clk_cont:1;
|
|
uint64_t wireor:1;
|
|
uint64_t lsbfirst:1;
|
|
uint64_t int_ena:1;
|
|
uint64_t reserved_6_6:1;
|
|
uint64_t cshi:1;
|
|
uint64_t idleclks:2;
|
|
uint64_t tritx:1;
|
|
uint64_t cslate:1;
|
|
uint64_t reserved_12_13:2;
|
|
uint64_t csena2:1;
|
|
uint64_t csena3:1;
|
|
uint64_t clkdiv:13;
|
|
uint64_t reserved_29_63:35;
|
|
#endif
|
|
} cn66xx;
|
|
struct cvmx_mpi_cfg_cn61xx cnf71xx;
|
|
};
|
|
|
|
union cvmx_mpi_datx {
|
|
uint64_t u64;
|
|
struct cvmx_mpi_datx_s {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_8_63:56;
|
|
uint64_t data:8;
|
|
#else
|
|
uint64_t data:8;
|
|
uint64_t reserved_8_63:56;
|
|
#endif
|
|
} s;
|
|
struct cvmx_mpi_datx_s cn30xx;
|
|
struct cvmx_mpi_datx_s cn31xx;
|
|
struct cvmx_mpi_datx_s cn50xx;
|
|
struct cvmx_mpi_datx_s cn61xx;
|
|
struct cvmx_mpi_datx_s cn66xx;
|
|
struct cvmx_mpi_datx_s cnf71xx;
|
|
};
|
|
|
|
union cvmx_mpi_sts {
|
|
uint64_t u64;
|
|
struct cvmx_mpi_sts_s {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_13_63:51;
|
|
uint64_t rxnum:5;
|
|
uint64_t reserved_1_7:7;
|
|
uint64_t busy:1;
|
|
#else
|
|
uint64_t busy:1;
|
|
uint64_t reserved_1_7:7;
|
|
uint64_t rxnum:5;
|
|
uint64_t reserved_13_63:51;
|
|
#endif
|
|
} s;
|
|
struct cvmx_mpi_sts_s cn30xx;
|
|
struct cvmx_mpi_sts_s cn31xx;
|
|
struct cvmx_mpi_sts_s cn50xx;
|
|
struct cvmx_mpi_sts_s cn61xx;
|
|
struct cvmx_mpi_sts_s cn66xx;
|
|
struct cvmx_mpi_sts_s cnf71xx;
|
|
};
|
|
|
|
union cvmx_mpi_tx {
|
|
uint64_t u64;
|
|
struct cvmx_mpi_tx_s {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_22_63:42;
|
|
uint64_t csid:2;
|
|
uint64_t reserved_17_19:3;
|
|
uint64_t leavecs:1;
|
|
uint64_t reserved_13_15:3;
|
|
uint64_t txnum:5;
|
|
uint64_t reserved_5_7:3;
|
|
uint64_t totnum:5;
|
|
#else
|
|
uint64_t totnum:5;
|
|
uint64_t reserved_5_7:3;
|
|
uint64_t txnum:5;
|
|
uint64_t reserved_13_15:3;
|
|
uint64_t leavecs:1;
|
|
uint64_t reserved_17_19:3;
|
|
uint64_t csid:2;
|
|
uint64_t reserved_22_63:42;
|
|
#endif
|
|
} s;
|
|
struct cvmx_mpi_tx_cn30xx {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_17_63:47;
|
|
uint64_t leavecs:1;
|
|
uint64_t reserved_13_15:3;
|
|
uint64_t txnum:5;
|
|
uint64_t reserved_5_7:3;
|
|
uint64_t totnum:5;
|
|
#else
|
|
uint64_t totnum:5;
|
|
uint64_t reserved_5_7:3;
|
|
uint64_t txnum:5;
|
|
uint64_t reserved_13_15:3;
|
|
uint64_t leavecs:1;
|
|
uint64_t reserved_17_63:47;
|
|
#endif
|
|
} cn30xx;
|
|
struct cvmx_mpi_tx_cn30xx cn31xx;
|
|
struct cvmx_mpi_tx_cn30xx cn50xx;
|
|
struct cvmx_mpi_tx_cn61xx {
|
|
#ifdef __BIG_ENDIAN_BITFIELD
|
|
uint64_t reserved_21_63:43;
|
|
uint64_t csid:1;
|
|
uint64_t reserved_17_19:3;
|
|
uint64_t leavecs:1;
|
|
uint64_t reserved_13_15:3;
|
|
uint64_t txnum:5;
|
|
uint64_t reserved_5_7:3;
|
|
uint64_t totnum:5;
|
|
#else
|
|
uint64_t totnum:5;
|
|
uint64_t reserved_5_7:3;
|
|
uint64_t txnum:5;
|
|
uint64_t reserved_13_15:3;
|
|
uint64_t leavecs:1;
|
|
uint64_t reserved_17_19:3;
|
|
uint64_t csid:1;
|
|
uint64_t reserved_21_63:43;
|
|
#endif
|
|
} cn61xx;
|
|
struct cvmx_mpi_tx_s cn66xx;
|
|
struct cvmx_mpi_tx_cn61xx cnf71xx;
|
|
};
|
|
|
|
#endif /* __SPI_CAVIUM_H */
|