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some code cleanups
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1 changed files with 12 additions and 12 deletions
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@ -48,7 +48,7 @@
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*/
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#define UART_RX 0 /* In: Receive buffer */
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#define UART_IIR 2 /* In: Interrupt ID Register */
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#define UART_IIR 2 /* In: Interrupt ID Register */
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#define UART_TX 0 /* Out: Transmit buffer */
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#define UART_IER 1 /* Out: Interrupt Enable Register */
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#define UART_FCR 2 /* Out: FIFO Control Register */
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@ -58,26 +58,26 @@
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#define UART_LCR 3 /* Out: Line Control Register */
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#define UART_LSR 5 /* Line Status Register */
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#define UART_IER_MSI 0x08 /* Enable Modem status interrupt */
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#define UART_IER_RLSI 0x04 /* Enable receiver line status interrupt */
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#define UART_IER_THRI 0x02 /* Enable Transmitter holding register int. */
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#define UART_IER_RDI 0x01 /* Enable receiver data interrupt */
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#define UART_IER_MSI 0x08 /* Enable Modem status interrupt */
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#define UART_IER_RLSI 0x04 /* Enable receiver line status interrupt */
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#define UART_IER_THRI 0x02 /* Enable Transmitter holding register int. */
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#define UART_IER_RDI 0x01 /* Enable receiver data interrupt */
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#define UART_IIR_NO_INT 0x01 /* No interrupts pending */
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#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */
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#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */
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#define UART_IIR_MSI 0x00 /* Modem status interrupt */
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#define UART_IIR_THRI 0x02 /* Transmitter holding register empty */
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#define UART_IIR_RDI 0x04 /* Receiver data interrupt */
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#define UART_IIR_RLSI 0x06 /* Receiver line status interrupt */
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#define UART_FCR_ENABLE_FIFO 0x01 /* Enable the FIFO */
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#define UART_FCR_CLEAR_RCVR 0x02 /* Clear the RCVR FIFO */
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#define UART_FCR_CLEAR_XMIT 0x04 /* Clear the XMIT FIFO */
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#define UART_FCR_CLEAR_RCVR 0x02 /* Clear the RCVR FIFO */
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#define UART_FCR_CLEAR_XMIT 0x04 /* Clear the XMIT FIFO */
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#define UART_FCR_TRIGGER_MASK 0xC0 /* Mask for the FIFO trigger range */
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#define UART_FCR_TRIGGER_1 0x00 /* Trigger RDI at FIFO level 1 byte */
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#define UART_FCR_TRIGGER_4 0x40 /* Trigger RDI at FIFO level 4 byte */
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#define UART_FCR_TRIGGER_8 0x80 /* Trigger RDI at FIFO level 8 byte */
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#define UART_FCR_TRIGGER_14 0xc0 /* Trigger RDI at FIFO level 14 byte*/
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#define UART_FCR_TRIGGER_1 0x00 /* Trigger RDI at FIFO level 1 byte */
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#define UART_FCR_TRIGGER_4 0x40 /* Trigger RDI at FIFO level 4 byte */
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#define UART_FCR_TRIGGER_8 0x80 /* Trigger RDI at FIFO level 8 byte */
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#define UART_FCR_TRIGGER_14 0xc0 /* Trigger RDI at FIFO level 14 byte*/
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#define UART_LCR_DLAB 0x80 /* Divisor latch access bit */
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