From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/spi/spi-cavium.h | 333 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 333 insertions(+) create mode 100644 drivers/spi/spi-cavium.h (limited to 'drivers/spi/spi-cavium.h') diff --git a/drivers/spi/spi-cavium.h b/drivers/spi/spi-cavium.h new file mode 100644 index 000000000..1f3ac463a --- /dev/null +++ b/drivers/spi/spi-cavium.h @@ -0,0 +1,333 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __SPI_CAVIUM_H +#define __SPI_CAVIUM_H + +#include + +#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 */ -- cgit v1.2.3