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73a586d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | #ifndef MFP_UART_16550_H
#define MFP_UART_16550_H
#define MFP_UART_BASE 0xB0401000
#define MFP_UART_TXR_ADDR (MFP_UART_BASE + 0x00) /* Transmit register (WRITE) */
#define MFP_UART_RXR_ADDR (MFP_UART_BASE + 0x00) /* Receive register (READ) */
#define MFP_UART_IER_ADDR (MFP_UART_BASE + 0x04) /* Interrupt Enable */
#define MFP_UART_IIR_ADDR (MFP_UART_BASE + 0x08) /* Interrupt ID */
#define MFP_UART_FCR_ADDR (MFP_UART_BASE + 0x08) /* FIFO control */
#define MFP_UART_LCR_ADDR (MFP_UART_BASE + 0x0C) /* Line control */
#define MFP_UART_MCR_ADDR (MFP_UART_BASE + 0x10) /* Modem control */
#define MFP_UART_LSR_ADDR (MFP_UART_BASE + 0x14) /* Line Status */
#define MFP_UART_MSR_ADDR (MFP_UART_BASE + 0x1C) /* Modem Status */
#define MFP_UART_DLL_ADDR (MFP_UART_BASE + 0x00) /* Divisor Latch Low */
#define MFP_UART_DLH_ADDR (MFP_UART_BASE + 0x04) /* Divisor latch High */
#define MFP_UART_LCR_LATCH (1 << 7) /* LCR Divisor Latch Access bit */
#define MFP_UART_LCR_8N1 3 /* 8N1 UART mode */
#define MFP_UART_MCR_DTR (1 << 0) /* Data Terminal Ready (DTR) signal control */
#define MFP_UART_MCR_RTS (1 << 1) /* Request To Send (RTS) signal control */
#define MFP_UART_LSR_DR (1 << 0) /* Data Ready (DR) indicator */
#define MFP_UART_LSR_TFE (1 << 5) /* Transmitter FIFO empty */
#define MFP_UART_IER_RDA (1 << 0) /* Received Data available interrupt enable */
#define MFP_UART_IIR_RDA (1 << 2) /* Receiver Data available interrupt */
#define MFP_UART_FCR_CLR (1 << 1) /* Clear Receiver FIFO */
#define MFP_UART_FCR_CLT (1 << 2) /* Clear Transmitter FIFO */
#define MFP_UART_FCR_ITL1 (0 << 6) /* Receiver FIFO Interrupt trigger level - 1 byte */
#define MFP_UART_FCR_ITL4 (1 << 6) /* Receiver FIFO Interrupt trigger level - 4 byte */
#define MFP_UART_FCR_ITL8 (2 << 6) /* Receiver FIFO Interrupt trigger level - 8 byte */
#define MFP_UART_FCR_ITL14 (3 << 6) /* Receiver FIFO Interrupt trigger level - 14 byte */
#define MFP_UART_TXR (* (volatile unsigned *) MFP_UART_TXR_ADDR )
#define MFP_UART_RXR (* (volatile unsigned *) MFP_UART_RXR_ADDR )
#define MFP_UART_IER (* (volatile unsigned *) MFP_UART_IER_ADDR )
#define MFP_UART_IIR (* (volatile unsigned *) MFP_UART_IIR_ADDR )
#define MFP_UART_LCR (* (volatile unsigned *) MFP_UART_LCR_ADDR )
#define MFP_UART_MCR (* (volatile unsigned *) MFP_UART_MCR_ADDR )
#define MFP_UART_LSR (* (volatile unsigned *) MFP_UART_LSR_ADDR )
#define MFP_UART_MSR (* (volatile unsigned *) MFP_UART_MSR_ADDR )
#define MFP_UART_DLL (* (volatile unsigned *) MFP_UART_DLL_ADDR )
#define MFP_UART_DLH (* (volatile unsigned *) MFP_UART_DLH_ADDR )
#define MFP_UART_FCR (* (volatile unsigned *) MFP_UART_FCR_ADDR )
#endif |