hal/include/hw/*: add SPI register definitions

dee12280 · Lucas Russo · ad1cdd87 · dee12280
Commit dee12280 authored Jul 30, 2014 by Lucas Russo
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wb_spi_regs.h hal/include/hw/wb_spi_regs.h +114 -0

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--- a/hal/include/hw/wb_spi_regs.h
+++ b/hal/include/hw/wb_spi_regs.h
+#ifndef _WB_SPI_REGS_H_
+#define _WB_SPI_REGS_H_
+#include <inttypes.h>
+#if defined( __GNUC__)
+#define PACKED __attribute__ ((packed))
+#else
+#error "Unsupported compiler?"
+#endif
+/* Copied from wb_acq_core_regs.h */
+#ifndef __WBGEN2_MACROS_DEFINED__
+#define __WBGEN2_MACROS_DEFINED__
+#define WBGEN2_GEN_MASK(offset, size) (((1<<(size))-1) << (offset))
+#define WBGEN2_GEN_WRITE(value, offset, size) (((value) & ((1<<(size))-1)) << (offset))
+#define WBGEN2_GEN_READ(reg, offset, size) (((reg) >> (offset)) & ((1<<(size))-1))
+#define WBGEN2_SIGN_EXTEND(value, bits) (((value) & (1<<bits) ? ~((1<<(bits))-1): 0 ) | (value))
+#endif
+/* OpenCores SPI registers description with modification
+ * to support bidirectional on a single MOSI line */
+#define SPI_PROTO_REG_RX0                           0x00000000
+#define SPI_PROTO_REG_TX0                           0x00000000
+#define SPI_PROTO_REG_RX1                           0x00000004
+#define SPI_PROTO_REG_TX1                           0x00000004
+#define SPI_PROTO_REG_RX2                           0x00000008
+#define SPI_PROTO_REG_TX2                           0x00000008
+#define SPI_PROTO_REG_RX3                           0x0000000C
+#define SPI_PROTO_REG_TX3                           0x0000000C
+#define SPI_PROTO_REG_RXTX_NUM                      4
+/* read-write whole register */
+#define SPI_PROTO_TX0_W(value)                     (value)
+#define SPI_PROTO_TX0_R(reg)                       (reg)
+#define SPI_PROTO_TX1_W(value)                     (value)
+#define SPI_PROTO_TX1_R(reg)                       (reg)
+#define SPI_PROTO_TX2_W(value)                     (value)
+#define SPI_PROTO_TX2_R(reg)                       (reg)
+#define SPI_PROTO_TX3_W(value)                     (value)
+#define SPI_PROTO_TX3_R(reg)                       (reg)
+#define SPI_PROTO_REG_CTRL                          0x00000010
+/* Definitions for SPI_PROTO_REG_CTRL */
+/*#define SPI_PROTO_CTRL_THREE_WIRE                   (1<<16)
+#define SPI_PROTO_CTRL_RES2                         (1<<15)
+#define SPI_PROTO_CTRL_DIR                          (1<<14)*/
+#define SPI_PROTO_CTRL_ASS                          WBGEN2_GEN_MASK(13, 1)
+#define SPI_PROTO_CTRL_IE                           WBGEN2_GEN_MASK(12, 1)
+#define SPI_PROTO_CTRL_LSB                          WBGEN2_GEN_MASK(11, 1)
+#define SPI_PROTO_CTRL_TXNEG                        WBGEN2_GEN_MASK(10, 1)
+#define SPI_PROTO_CTRL_RXNEG                        WBGEN2_GEN_MASK(9, 1)
+#define SPI_PROTO_CTRL_GO_BSY                       WBGEN2_GEN_MASK(8, 1)
+#define SPI_PROTO_CTRL_BSY                          WBGEN2_GEN_MASK(8, 1)
+#define SPI_PROTO_CTRL_CHAR_LEN_SIZE                7
+#define SPI_PROTO_CTRL_CHAR_LEN_SHIFT               0
+#define SPI_PROTO_CTRL_CHAR_LEN_MASK                WBGEN2_GEN_MASK(SPI_PROTO_CTRL_CHAR_LEN_SHIFT, \
+                                                                    SPI_PROTO_CTRL_CHAR_LEN_SIZE)
+#define SPI_PROTO_CTRL_CHAR_LEN_W(value)            WBGEN2_GEN_WRITE(value, SPI_PROTO_CTRL_CHAR_LEN_SHIFT, \
+                                                                            SPI_PROTO_CTRL_CHAR_LEN_SIZE)
+#define SPI_PROTO_CTRL_CHAR_LEN_R(reg)              WBGEN2_GEN_READ(reg, SPI_PROTO_CTRL_CHAR_LEN_SHIFT, \
+                                                                            SPI_PROTO_CTRL_CHAR_LEN_SIZE)
+/* read-write whole register */
+#define SPI_PROTO_CTRL_W(value)                     (value)
+#define SPI_PROTO_CTRL_R(reg)                       (reg)
+#define SPI_PROTO_REG_DIVIDER                       0x00000014
+/* Definitions for SPI_PROTO_REG_DIVIDER */
+#define SPI_PROTO_DIVIDER_SIZE                      16
+#define SPI_PROTO_DIVIDER_SHIFT                     0
+#define SPI_PROTO_DIVIDER_MASK                      WBGEN2_GEN_MASK(SPI_PROTO_DIVIDER_SHIFT, \
+                                                                    SPI_PROTO_DIVIDER_SIZE)
+#define SPI_PROTO_DIVIDER_W(value)                  WBGEN2_GEN_WRITE(value, SPI_PROTO_DIVIDER_SHIFT, \
+                                                                            SPI_PROTO_DIVIDER_SIZE)
+#define SPI_PROTO_DIVIDER_R(reg)                    WBGEN2_GEN_READ(reg, SPI_PROTO_DIVIDER_SHIFT, \
+                                                                            SPI_PROTO_DIVIDER_SIZE)
+#define SPI_PROTO_REG_SS                            0x00000018
+/* Definitions for SPI_PROTO_REG_SS */
+#define SPI_PROTO_SS_SIZE                           8
+#define SPI_PROTO_SS_SHIFT                          0
+#define SPI_PROTO_SS_MASK                           WBGEN2_GEN_MASK(SPI_PROTO_SS_SHIFT, \
+                                                                    SPI_PROTO_SS_SIZE)
+#define SPI_PROTO_SS_W(value)                       WBGEN2_GEN_WRITE(value, SPI_PROTO_SS_SHIFT, \
+                                                                            SPI_PROTO_SS_SIZE)
+#define SPI_PROTO_SS_R(reg)                         WBGEN2_GEN_READ(reg, SPI_PROTO_SS_SHIFT, \
+                                                                        SPI_PROTO_SS_SIZE)
+#define SPI_PROTO_REG_CFG_BIDIR                     0x0000001C
+/* For RX data from MISO (single line) */
+#define SPI_PROTO_REG_RX0_SINGLE                    0x00000020
+#define SPI_PROTO_REG_RX1_SINGLE                    0x00000024
+#define SPI_PROTO_REG_RX2_SINGLE                    0x00000028
+#define SPI_PROTO_REG_RX3_SINGLE                    0x0000002C
+/* read-write whole register */
+#define SPI_PROTO_TX0_SINGLE_W(value)               (value)
+#define SPI_PROTO_TX0_SINGLE_R(reg)                 (reg)
+#define SPI_PROTO_TX1_SINGLE_W(value)               (value)
+#define SPI_PROTO_TX1_SINGLE_R(reg)                 (reg)
+#define SPI_PROTO_TX2_SINGLE_W(value)               (value)
+#define SPI_PROTO_TX2_SINGLE_R(reg)                 (reg)
+#define SPI_PROTO_TX3_SINGLE_W(value)               (value)
+#define SPI_PROTO_TX3_SINGLE_R(reg)                 (reg)
+#endif