| 35,41 → 35,8 |
|---|
| #ifndef KERN_mips32_SERIAL_H_ |
| #define KERN_mips32_SERIAL_H_ |
| |
| #include <console/chardev.h> |
| |
| #define SERIAL_ADDRESS 0x98000000 |
| |
| #define SERIAL_MAX 4 |
| #define SERIAL_COM1 0x3f8 |
| #define SERIAL_COM1_IRQ 4 |
| #define SERIAL_COM2 0x2f8 |
| #define SERIAL_COM2_IRQ 3 |
| |
| #define P_WRITEB(where, what) (*((volatile char *) (SERIAL_ADDRESS + where)) = what) |
| #define P_READB(where) (*((volatile char *) (SERIAL_ADDRESS + where))) |
| |
| #define SERIAL_READ(x) P_READB(x) |
| #define SERIAL_WRITE(x, c) P_WRITEB(x, c) |
| |
| /* Interrupt enable register */ |
| #define SERIAL_READ_IER(x) (P_READB((x) + 1)) |
| #define SERIAL_WRITE_IER(x,c) (P_WRITEB((x) + 1, c)) |
| |
| /* Interrupt identification register */ |
| #define SERIAL_READ_IIR(x) (P_READB((x) + 2)) |
| |
| /* Line status register */ |
| #define SERIAL_READ_LSR(x) (P_READB((x) + 5)) |
| #define TRANSMIT_EMPTY_BIT 5 |
| |
| typedef struct { |
| int port; |
| int irq; |
| }serial_t; |
| |
| extern void serial_console(devno_t devno); |
| extern int serial_init(void); |
| |
| #endif |
| |
| /** @} |