Linux-libre 4.8.2-gnupck-4.8.2-gnu

1 files changed, 329 insertions, 0 deletions

diff --git a/drivers/spi/spi-cavium.h b/drivers/spi/spi-cavium.h
new file mode 100644
index 000000000..88c5f36e7
--- /dev/null
+++ b/drivers/spi/spi-cavium.h
@@ -0,0 +1,329 @@
+#ifndef __SPI_CAVIUM_H
+#define __SPI_CAVIUM_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;
+};
+
+#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 */