// See LICENSE for license details. | |
#ifndef _SIFIVE_UART_H | |
#define _SIFIVE_UART_H | |
/* Register offsets */ | |
#define UART_REG_TXFIFO 0x00 | |
#define UART_REG_RXFIFO 0x04 | |
#define UART_REG_TXCTRL 0x08 | |
#define UART_REG_RXCTRL 0x0c | |
#define UART_REG_IE 0x10 | |
#define UART_REG_IP 0x14 | |
#define UART_REG_DIV 0x18 | |
/* TXCTRL register */ | |
#define UART_TXEN 0x1 | |
#define UART_TXWM(x) (((x) & 0xffff) << 16) | |
/* RXCTRL register */ | |
#define UART_RXEN 0x1 | |
#define UART_RXWM(x) (((x) & 0xffff) << 16) | |
/* IP register */ | |
#define UART_IP_TXWM 0x1 | |
#define UART_IP_RXWM 0x2 | |
#endif /* _SIFIVE_UART_H */ |