Контроллер последовательной аудио-шины: список регистров

  Unused

  TXU_INT

TX FIFO Underrun Pending Interrupt
0: No Pending IRQ
1: FIFO Underrun Pending Interrupt
Writing \"1\" to clear this interrupt.

  TXO_INT

TX FIFO Overrun Pending Interrupt
0: No Pending IRQ
1: FIFO Overrun Pending Interrupt
Writing \"1\" to clear this interrupt.

  TXE_INT

TX FIFO Empty Pending Interrupt
0: No Pending IRQ
1: FIFO Empty Pending Interrupt
Writing \"1\" to clear this interrupt or automatically clear if the interrupt condition fails.

  Unused

Команда U-Boot для чтения регистра

Bit fields structure

typedef union  owa_ista
{
  struct
  {
   unsigned unused0 : 4;
   unsigned txe_int : 1;
   unsigned txo_int : 1;
   unsigned txu_int : 1;
   unsigned unused1 : 25;
  } b;
   unsigned long w;
} OWA_ISTA