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kernel/linux-rt-4.4.41/arch/unicore32/include/mach/regs-spi.h 2.01 KB
5113f6f70   김현기   kernel add
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  /*
   * PKUnity Serial Peripheral Interface (SPI) Registers
   */
  /*
   * Control reg. 0 SPI_CR0
   */
  #define SPI_CR0		(PKUNITY_SPI_BASE + 0x0000)
  /*
   * Control reg. 1 SPI_CR1
   */
  #define SPI_CR1		(PKUNITY_SPI_BASE + 0x0004)
  /*
   * Enable reg SPI_SSIENR
   */
  #define SPI_SSIENR	(PKUNITY_SPI_BASE + 0x0008)
  /*
   * Status reg SPI_SR
   */
  #define SPI_SR		(PKUNITY_SPI_BASE + 0x0028)
  /*
   * Interrupt Mask reg SPI_IMR
   */
  #define SPI_IMR		(PKUNITY_SPI_BASE + 0x002C)
  /*
   * Interrupt Status reg SPI_ISR
   */
  #define SPI_ISR		(PKUNITY_SPI_BASE + 0x0030)
  
  /*
   * Enable SPI Controller SPI_SSIENR_EN
   */
  #define SPI_SSIENR_EN		FIELD(1, 1, 0)
  
  /*
   * SPI Busy SPI_SR_BUSY
   */
  #define SPI_SR_BUSY		FIELD(1, 1, 0)
  /*
   * Transmit FIFO Not Full SPI_SR_TFNF
   */
  #define SPI_SR_TFNF		FIELD(1, 1, 1)
  /*
   * Transmit FIFO Empty SPI_SR_TFE
   */
  #define SPI_SR_TFE		FIELD(1, 1, 2)
  /*
   * Receive FIFO Not Empty SPI_SR_RFNE
   */
  #define SPI_SR_RFNE		FIELD(1, 1, 3)
  /*
   * Receive FIFO Full SPI_SR_RFF
   */
  #define SPI_SR_RFF		FIELD(1, 1, 4)
  
  /*
   * Trans. FIFO Empty Interrupt Status SPI_ISR_TXEIS
   */
  #define SPI_ISR_TXEIS		FIELD(1, 1, 0)
  /*
   * Trans. FIFO Overflow Interrupt Status SPI_ISR_TXOIS
   */
  #define SPI_ISR_TXOIS		FIELD(1, 1, 1)
  /*
   * Receiv. FIFO Underflow Interrupt Status SPI_ISR_RXUIS
   */
  #define SPI_ISR_RXUIS		FIELD(1, 1, 2)
  /*
   * Receiv. FIFO Overflow Interrupt Status SPI_ISR_RXOIS
   */
  #define SPI_ISR_RXOIS		FIELD(1, 1, 3)
  /*
   * Receiv. FIFO Full Interrupt Status SPI_ISR_RXFIS
   */
  #define SPI_ISR_RXFIS		FIELD(1, 1, 4)
  #define SPI_ISR_MSTIS		FIELD(1, 1, 5)
  
  /*
   * Trans. FIFO Empty Interrupt Mask SPI_IMR_TXEIM
   */
  #define SPI_IMR_TXEIM		FIELD(1, 1, 0)
  /*
   * Trans. FIFO Overflow Interrupt Mask SPI_IMR_TXOIM
   */
  #define SPI_IMR_TXOIM		FIELD(1, 1, 1)
  /*
   * Receiv. FIFO Underflow Interrupt Mask SPI_IMR_RXUIM
   */
  #define SPI_IMR_RXUIM		FIELD(1, 1, 2)
  /*
   * Receiv. FIFO Overflow Interrupt Mask SPI_IMR_RXOIM
   */
  #define SPI_IMR_RXOIM		FIELD(1, 1, 3)
  /*
   * Receiv. FIFO Full Interrupt Mask SPI_IMR_RXFIM
   */
  #define SPI_IMR_RXFIM		FIELD(1, 1, 4)
  #define SPI_IMR_MSTIM		FIELD(1, 1, 5)