Changeset ec16831 in mainline for kernel/genarch/include/genarch/drivers/ns16550/ns16550.h
- Timestamp:
- 2021-08-04T18:52:58Z (3 years ago)
- Parents:
- a977e37
- git-author:
- Marek Benc <dusxmt@…> (2021-06-23 20:56:38)
- git-committer:
- Marek Benc <dusxmt@…> (2021-08-04 18:52:58)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/genarch/include/genarch/drivers/ns16550/ns16550.h
ra977e37 rec16831 43 43 #include <console/chardev.h> 44 44 45 #define IER_ERBFI 0x01 /** Enable Receive Buffer Full Interrupt. */45 #define NS156440_CLOCK 115200 /** Internal clock speed, max. baud rate. */ 46 46 47 #define LCR_DLAB 0x80 /** Divisor Latch Access bit. */ 47 #define IER_ERBFI 0x01 /** Enable Receive Buffer Full Interrupt. */ 48 #define MCR_OUT2 0x08 /** OUT2. */ 48 49 49 #define MCR_OUT2 0x08 /** OUT2. */ 50 #define LCR_DLAB 0x80 /** Divisor Latch Access bit. */ 51 #define LCR_SBE 0x40 /** RS-232 Break Signal bit. */ 52 53 #define LCR_PARITY_NONE 0x00 /** No parity bit. */ 54 #define LCR_PARITY_ODD 0x08 /** Odd parity. */ 55 #define LCR_PARITY_EVEN 0x18 /** Even parity. */ 56 #define LCR_PARITY_MARK 0x28 /** Parity bit always one. */ 57 #define LCR_PARITY_SPACE 0x38 /** Parity bit always zero. */ 58 59 #define LCR_STOP_BIT_ONE 0x00 /** One stop bit. */ 60 #define LCR_STOP_BIT_TWO 0x04 /** Two stop bits. */ 61 62 #define LCR_WORD_LEN_5 0x00 /** 5-bit word length. */ 63 #define LCR_WORD_LEN_6 0x01 /** 6-bit word length. */ 64 #define LCR_WORD_LEN_7 0x02 /** 7-bit word length. */ 65 #define LCR_WORD_LEN_8 0x03 /** 8-bit word length. */ 50 66 51 67 /** NS16550 registers. */ … … 53 69 NS16550_REG_RBR = 0, /**< Receiver Buffer Register (read). */ 54 70 NS16550_REG_THR = 0, /**< Transmitter Holder Register (write). */ 71 NS16550_REG_DLL = 0, /**< Baud rate divisor latch low byte (write). */ 55 72 NS16550_REG_IER = 1, /**< Interrupt Enable Register. */ 73 NS16550_REG_DLH = 1, /**< Baud rate divisor latch high byte (write). */ 56 74 NS16550_REG_IIR = 2, /**< Interrupt Ident Register (read). */ 57 75 NS16550_REG_FCR = 2, /**< FIFO control register (write). */ … … 73 91 extern ns16550_instance_t *ns16550_init(ioport8_t *, unsigned, inr_t, cir_t, 74 92 void *, outdev_t **); 93 extern void ns16550_format_set(ns16550_instance_t *, unsigned, uint8_t); 75 94 extern void ns16550_wire(ns16550_instance_t *, indev_t *); 76 95
Note:
See TracChangeset
for help on using the changeset viewer.