| wdenk | 2d39b71 | 2000-12-14 10:04:19 +0000 | [diff] [blame^] | 1 | /* Line Status Register bits */ |
| 2 | #define LSR_DR 0x01 /* Data ready */ |
| 3 | #define LSR_OE 0x02 /* Overrun */ |
| 4 | #define LSR_PE 0x04 /* Parity error */ |
| 5 | #define LSR_FE 0x08 /* Framing error */ |
| 6 | #define LSR_BI 0x10 /* Break */ |
| 7 | #define LSR_THRE 0x20 /* Xmit holding register empty */ |
| 8 | #define LSR_TEMT 0x40 /* Xmitter empty */ |
| 9 | #define LSR_ERR 0x80 /* Error */ |
| 10 | |
| 11 | #define CLKRATE 3686400 /* cogent motherboard serial clk = 3.6864MHz */ |
| 12 | #define DEFDIV 1 /* default to 230400 bps */ |
| 13 | |
| 14 | #define br_to_div(br) (CLKRATE / (16 * (br))) |
| 15 | #define div_to_br(div) (CLKRATE / (16 * (div))) |