arch/unicore32/include/mach/regs-spi.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * PKUnity Serial Peripheral Interface (SPI) Registers
   4  */
   5 /*
   6  * Control reg. 0 SPI_CR0
   7  */
   8 #define SPI_CR0         (PKUNITY_SPI_BASE + 0x0000)
   9 /*
  10  * Control reg. 1 SPI_CR1
  11  */
  12 #define SPI_CR1         (PKUNITY_SPI_BASE + 0x0004)
  13 /*
  14  * Enable reg SPI_SSIENR
  15  */
  16 #define SPI_SSIENR      (PKUNITY_SPI_BASE + 0x0008)
  17 /*
  18  * Status reg SPI_SR
  19  */
  20 #define SPI_SR          (PKUNITY_SPI_BASE + 0x0028)
  21 /*
  22  * Interrupt Mask reg SPI_IMR
  23  */
  24 #define SPI_IMR         (PKUNITY_SPI_BASE + 0x002C)
  25 /*
  26  * Interrupt Status reg SPI_ISR
  27  */
  28 #define SPI_ISR         (PKUNITY_SPI_BASE + 0x0030)
  29
  30 /*
  31  * Enable SPI Controller SPI_SSIENR_EN
  32  */
  33 #define SPI_SSIENR_EN           FIELD(1, 1, 0)
  34
  35 /*
  36  * SPI Busy SPI_SR_BUSY
  37  */
  38 #define SPI_SR_BUSY             FIELD(1, 1, 0)
  39 /*
  40  * Transmit FIFO Not Full SPI_SR_TFNF
  41  */
  42 #define SPI_SR_TFNF             FIELD(1, 1, 1)
  43 /*
  44  * Transmit FIFO Empty SPI_SR_TFE
  45  */
  46 #define SPI_SR_TFE              FIELD(1, 1, 2)
  47 /*
  48  * Receive FIFO Not Empty SPI_SR_RFNE
  49  */
  50 #define SPI_SR_RFNE             FIELD(1, 1, 3)
  51 /*
  52  * Receive FIFO Full SPI_SR_RFF
  53  */
  54 #define SPI_SR_RFF              FIELD(1, 1, 4)
  55
  56 /*
  57  * Trans. FIFO Empty Interrupt Status SPI_ISR_TXEIS
  58  */
  59 #define SPI_ISR_TXEIS           FIELD(1, 1, 0)
  60 /*
  61  * Trans. FIFO Overflow Interrupt Status SPI_ISR_TXOIS
  62  */
  63 #define SPI_ISR_TXOIS           FIELD(1, 1, 1)
  64 /*
  65  * Receiv. FIFO Underflow Interrupt Status SPI_ISR_RXUIS
  66  */
  67 #define SPI_ISR_RXUIS           FIELD(1, 1, 2)
  68 /*
  69  * Receiv. FIFO Overflow Interrupt Status SPI_ISR_RXOIS
  70  */
  71 #define SPI_ISR_RXOIS           FIELD(1, 1, 3)
  72 /*
  73  * Receiv. FIFO Full Interrupt Status SPI_ISR_RXFIS
  74  */
  75 #define SPI_ISR_RXFIS           FIELD(1, 1, 4)
  76 #define SPI_ISR_MSTIS           FIELD(1, 1, 5)
  77
  78 /*
  79  * Trans. FIFO Empty Interrupt Mask SPI_IMR_TXEIM
  80  */
  81 #define SPI_IMR_TXEIM           FIELD(1, 1, 0)
  82 /*
  83  * Trans. FIFO Overflow Interrupt Mask SPI_IMR_TXOIM
  84  */
  85 #define SPI_IMR_TXOIM           FIELD(1, 1, 1)
  86 /*
  87  * Receiv. FIFO Underflow Interrupt Mask SPI_IMR_RXUIM
  88  */
  89 #define SPI_IMR_RXUIM           FIELD(1, 1, 2)
  90 /*
  91  * Receiv. FIFO Overflow Interrupt Mask SPI_IMR_RXOIM
  92  */
  93 #define SPI_IMR_RXOIM           FIELD(1, 1, 3)
  94 /*
  95  * Receiv. FIFO Full Interrupt Mask SPI_IMR_RXFIM
  96  */
  97 #define SPI_IMR_RXFIM           FIELD(1, 1, 4)
  98 #define SPI_IMR_MSTIM           FIELD(1, 1, 5)
  99