mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-26 05:34:30 +08:00
16 lines
566 B
C
16 lines
566 B
C
/* Line Status Register bits */
|
|
#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 */
|
|
|
|
#define CLKRATE 3686400 /* cogent motherboard serial clk = 3.6864MHz */
|
|
#define DEFDIV 1 /* default to 230400 bps */
|
|
|
|
#define br_to_div(br) (CLKRATE / (16 * (br)))
|
|
#define div_to_br(div) (CLKRATE / (16 * (div)))
|