diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/ns16550.h | 127 | ||||
| -rw-r--r-- | include/ps2mult.h | 99 |
2 files changed, 89 insertions, 137 deletions
diff --git a/include/ns16550.h b/include/ns16550.h index edfbc53a5..87624bf42 100644 --- a/include/ns16550.h +++ b/include/ns16550.h @@ -1,6 +1,10 @@ /* * NS16550 Serial Port * originally from linux source (arch/ppc/boot/ns16550.h) + * + * Cleanup and unification + * (C) 2009 by Detlev Zundel, DENX Software Engineering GmbH + * * modified slightly to * have addresses as offsets from CONFIG_SYS_ISA_BASE * added a few more definitions @@ -115,53 +119,100 @@ struct NS16550 { typedef volatile struct NS16550 *NS16550_t; -#define FCR_FIFO_EN 0x01 /* Fifo enable */ -#define FCR_RXSR 0x02 /* Receiver soft reset */ -#define FCR_TXSR 0x04 /* Transmitter soft reset */ +/* + * These are the definitions for the FIFO Control Register + */ +#define UART_FCR_FIFO_EN 0x01 /* Fifo enable */ +#define UART_FCR_CLEAR_RCVR 0x02 /* Clear the RCVR FIFO */ +#define UART_FCR_CLEAR_XMIT 0x04 /* Clear the XMIT FIFO */ +#define UART_FCR_DMA_SELECT 0x08 /* For DMA applications */ +#define UART_FCR_TRIGGER_MASK 0xC0 /* Mask for the FIFO trigger range */ +#define UART_FCR_TRIGGER_1 0x00 /* Mask for trigger set at 1 */ +#define UART_FCR_TRIGGER_4 0x40 /* Mask for trigger set at 4 */ +#define UART_FCR_TRIGGER_8 0x80 /* Mask for trigger set at 8 */ +#define UART_FCR_TRIGGER_14 0xC0 /* Mask for trigger set at 14 */ -#define MCR_DTR 0x01 -#define MCR_RTS 0x02 -#define MCR_DMA_EN 0x04 -#define MCR_TX_DFR 0x08 -#define MCR_LOOP 0x10 /* Enable loopback test mode */ +#define UART_FCR_RXSR 0x02 /* Receiver soft reset */ +#define UART_FCR_TXSR 0x04 /* Transmitter soft reset */ -#define LCR_WLS_MSK 0x03 /* character length select mask */ -#define LCR_WLS_5 0x00 /* 5 bit character length */ -#define LCR_WLS_6 0x01 /* 6 bit character length */ -#define LCR_WLS_7 0x02 /* 7 bit character length */ -#define LCR_WLS_8 0x03 /* 8 bit character length */ -#define LCR_STB 0x04 /* Number of stop Bits, off = 1, on = 1.5 or 2) */ -#define LCR_PEN 0x08 /* Parity eneble */ -#define LCR_EPS 0x10 /* Even Parity Select */ -#define LCR_STKP 0x20 /* Stick Parity */ -#define LCR_SBRK 0x40 /* Set Break */ -#define LCR_BKSE 0x80 /* Bank select enable */ -#define LCR_DLAB 0x80 /* Divisor latch access bit */ +/* + * These are the definitions for the Modem Control Register + */ +#define UART_MCR_DTR 0x01 /* DTR */ +#define UART_MCR_RTS 0x02 /* RTS */ +#define UART_MCR_OUT1 0x04 /* Out 1 */ +#define UART_MCR_OUT2 0x08 /* Out 2 */ +#define UART_MCR_LOOP 0x10 /* Enable loopback test mode */ + +#define UART_MCR_DMA_EN 0x04 +#define UART_MCR_TX_DFR 0x08 + +/* + * These are the definitions for the Line Control Register + * + * Note: if the word length is 5 bits (UART_LCR_WLEN5), then setting + * UART_LCR_STOP will select 1.5 stop bits, not 2 stop bits. + */ +#define UART_LCR_WLS_MSK 0x03 /* character length select mask */ +#define UART_LCR_WLS_5 0x00 /* 5 bit character length */ +#define UART_LCR_WLS_6 0x01 /* 6 bit character length */ +#define UART_LCR_WLS_7 0x02 /* 7 bit character length */ +#define UART_LCR_WLS_8 0x03 /* 8 bit character length */ +#define UART_LCR_STB 0x04 /* Number of stop Bits, off = 1, on = 1.5 or 2) */ +#define UART_LCR_PEN 0x08 /* Parity eneble */ +#define UART_LCR_EPS 0x10 /* Even Parity Select */ +#define UART_LCR_STKP 0x20 /* Stick Parity */ +#define UART_LCR_SBRK 0x40 /* Set Break */ +#define UART_LCR_BKSE 0x80 /* Bank select enable */ +#define UART_LCR_DLAB 0x80 /* Divisor latch access bit */ -#define LSR_DR 0x01 /* Data ready */ -#define LSR_OE 0x02 /* Overrun */ -#define LSR_PE 0x04 /* Parity error */ -#define LSR_FE 0x08 /* Framing error */ -#define LSR_BI 0x10 /* Break */ -#define LSR_THRE 0x20 /* Xmit holding register empty */ -#define LSR_TEMT 0x40 /* Xmitter empty */ -#define LSR_ERR 0x80 /* Error */ +/* + * These are the definitions for the Line Status Register + */ +#define UART_LSR_DR 0x01 /* Data ready */ +#define UART_LSR_OE 0x02 /* Overrun */ +#define UART_LSR_PE 0x04 /* Parity error */ +#define UART_LSR_FE 0x08 /* Framing error */ +#define UART_LSR_BI 0x10 /* Break */ +#define UART_LSR_THRE 0x20 /* Xmit holding register empty */ +#define UART_LSR_TEMT 0x40 /* Xmitter empty */ +#define UART_LSR_ERR 0x80 /* Error */ + +#define UART_MSR_DCD 0x80 /* Data Carrier Detect */ +#define UART_MSR_RI 0x40 /* Ring Indicator */ +#define UART_MSR_DSR 0x20 /* Data Set Ready */ +#define UART_MSR_CTS 0x10 /* Clear to Send */ +#define UART_MSR_DDCD 0x08 /* Delta DCD */ +#define UART_MSR_TERI 0x04 /* Trailing edge ring indicator */ +#define UART_MSR_DDSR 0x02 /* Delta DSR */ +#define UART_MSR_DCTS 0x01 /* Delta CTS */ + +/* + * These are the definitions for the Interrupt Identification Register + */ +#define UART_IIR_NO_INT 0x01 /* No interrupts pending */ +#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */ + +#define UART_IIR_MSI 0x00 /* Modem status interrupt */ +#define UART_IIR_THRI 0x02 /* Transmitter holding register empty */ +#define UART_IIR_RDI 0x04 /* Receiver data interrupt */ +#define UART_IIR_RLSI 0x06 /* Receiver line status interrupt */ + +/* + * These are the definitions for the Interrupt Enable Register + */ +#define UART_IER_MSI 0x08 /* Enable Modem status interrupt */ +#define UART_IER_RLSI 0x04 /* Enable receiver line status interrupt */ +#define UART_IER_THRI 0x02 /* Enable Transmitter holding register int. */ +#define UART_IER_RDI 0x01 /* Enable receiver data interrupt */ -#define MSR_DCD 0x80 /* Data Carrier Detect */ -#define MSR_RI 0x40 /* Ring Indicator */ -#define MSR_DSR 0x20 /* Data Set Ready */ -#define MSR_CTS 0x10 /* Clear to Send */ -#define MSR_DDCD 0x08 /* Delta DCD */ -#define MSR_TERI 0x04 /* Trailing edge ring indicator */ -#define MSR_DDSR 0x02 /* Delta DSR */ -#define MSR_DCTS 0x01 /* Delta CTS */ #ifdef CONFIG_OMAP1510 -#define OSC_12M_SEL 0x01 /* selects 6.5 * current clk div */ +#define OSC_12M_SEL 0x01 /* selects 6.5 * current clk div */ #endif /* useful defaults for LCR */ -#define LCR_8N1 0x03 +#define UART_LCR_8N1 0x03 void NS16550_init (NS16550_t com_port, int baud_divisor); void NS16550_putc (NS16550_t com_port, char c); diff --git a/include/ps2mult.h b/include/ps2mult.h index 599cb6dc4..1a38733b7 100644 --- a/include/ps2mult.h +++ b/include/ps2mult.h @@ -53,103 +53,4 @@ struct serial_state { u8 *iomem_base; }; -#define UART_RX 0 /* In: Receive buffer (DLAB=0) */ -#define UART_TX 0 /* Out: Transmit buffer (DLAB=0) */ -#define UART_DLL 0 /* Out: Divisor Latch Low (DLAB=1) */ - -#define UART_DLM 1 /* Out: Divisor Latch High (DLAB=1) */ -#define UART_IER 1 /* Out: Interrupt Enable Register */ - -#define UART_IIR 2 /* In: Interrupt ID Register */ -#define UART_FCR 2 /* Out: FIFO Control Register */ - -#define UART_LCR 3 /* Out: Line Control Register */ -#define UART_MCR 4 /* Out: Modem Control Register */ -#define UART_LSR 5 /* In: Line Status Register */ -#define UART_MSR 6 /* In: Modem Status Register */ -#define UART_SCR 7 /* I/O: Scratch Register */ - -/* - * These are the definitions for the FIFO Control Register - * (16650 only) - */ -#define UART_FCR_ENABLE_FIFO 0x01 /* Enable the FIFO */ -#define UART_FCR_CLEAR_RCVR 0x02 /* Clear the RCVR FIFO */ -#define UART_FCR_CLEAR_XMIT 0x04 /* Clear the XMIT FIFO */ -#define UART_FCR_DMA_SELECT 0x08 /* For DMA applications */ -#define UART_FCR_TRIGGER_MASK 0xC0 /* Mask for the FIFO trigger range */ -#define UART_FCR_TRIGGER_1 0x00 /* Mask for trigger set at 1 */ -#define UART_FCR_TRIGGER_4 0x40 /* Mask for trigger set at 4 */ -#define UART_FCR_TRIGGER_8 0x80 /* Mask for trigger set at 8 */ -#define UART_FCR_TRIGGER_14 0xC0 /* Mask for trigger set at 14 */ - -/* - * These are the definitions for the Line Control Register - * - * Note: if the word length is 5 bits (UART_LCR_WLEN5), then setting - * UART_LCR_STOP will select 1.5 stop bits, not 2 stop bits. - */ -#define UART_LCR_DLAB 0x80 /* Divisor latch access bit */ -#define UART_LCR_SBC 0x40 /* Set break control */ -#define UART_LCR_SPAR 0x20 /* Stick parity (?) */ -#define UART_LCR_EPAR 0x10 /* Even parity select */ -#define UART_LCR_PARITY 0x08 /* Parity Enable */ -#define UART_LCR_STOP 0x04 /* Stop bits: 0=1 stop bit, 1= 2 stop bits */ -#define UART_LCR_WLEN5 0x00 /* Wordlength: 5 bits */ -#define UART_LCR_WLEN6 0x01 /* Wordlength: 6 bits */ -#define UART_LCR_WLEN7 0x02 /* Wordlength: 7 bits */ -#define UART_LCR_WLEN8 0x03 /* Wordlength: 8 bits */ - -/* - * These are the definitions for the Line Status Register - */ -#define UART_LSR_TEMT 0x40 /* Transmitter empty */ -#define UART_LSR_THRE 0x20 /* Transmit-hold-register empty */ -#define UART_LSR_BI 0x10 /* Break interrupt indicator */ -#define UART_LSR_FE 0x08 /* Frame error indicator */ -#define UART_LSR_PE 0x04 /* Parity error indicator */ -#define UART_LSR_OE 0x02 /* Overrun error indicator */ -#define UART_LSR_DR 0x01 /* Receiver data ready */ - -/* - * These are the definitions for the Interrupt Identification Register - */ -#define UART_IIR_NO_INT 0x01 /* No interrupts pending */ -#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */ - -#define UART_IIR_MSI 0x00 /* Modem status interrupt */ -#define UART_IIR_THRI 0x02 /* Transmitter holding register empty */ -#define UART_IIR_RDI 0x04 /* Receiver data interrupt */ -#define UART_IIR_RLSI 0x06 /* Receiver line status interrupt */ - -/* - * These are the definitions for the Interrupt Enable Register - */ -#define UART_IER_MSI 0x08 /* Enable Modem status interrupt */ -#define UART_IER_RLSI 0x04 /* Enable receiver line status interrupt */ -#define UART_IER_THRI 0x02 /* Enable Transmitter holding register int. */ -#define UART_IER_RDI 0x01 /* Enable receiver data interrupt */ - -/* - * These are the definitions for the Modem Control Register - */ -#define UART_MCR_LOOP 0x10 /* Enable loopback test mode */ -#define UART_MCR_OUT2 0x08 /* Out2 complement */ -#define UART_MCR_OUT1 0x04 /* Out1 complement */ -#define UART_MCR_RTS 0x02 /* RTS complement */ -#define UART_MCR_DTR 0x01 /* DTR complement */ - -/* - * These are the definitions for the Modem Status Register - */ -#define UART_MSR_DCD 0x80 /* Data Carrier Detect */ -#define UART_MSR_RI 0x40 /* Ring Indicator */ -#define UART_MSR_DSR 0x20 /* Data Set Ready */ -#define UART_MSR_CTS 0x10 /* Clear to Send */ -#define UART_MSR_DDCD 0x08 /* Delta DCD */ -#define UART_MSR_TERI 0x04 /* Trailing edge ring indicator */ -#define UART_MSR_DDSR 0x02 /* Delta DSR */ -#define UART_MSR_DCTS 0x01 /* Delta CTS */ -#define UART_MSR_ANY_DELTA 0x0F /* Any of the delta bits! */ - #endif /* __LINUX_PS2MULT_H */ |