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33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_mips32_SERIAL_H_ |
35 | #ifndef KERN_mips32_SERIAL_H_ |
36 | #define KERN_mips32_SERIAL_H_ |
36 | #define KERN_mips32_SERIAL_H_ |
37 | 37 | ||
38 | #include <console/chardev.h> |
- | |
39 | - | ||
40 | #define SERIAL_MAX 4 |
- | |
41 | #define SERIAL_COM1 0x3f8 |
38 | #define SERIAL_ADDRESS 0x98000000 |
42 | #define SERIAL_COM1_IRQ 4 |
- | |
43 | #define SERIAL_COM2 0x2f8 |
- | |
44 | #define SERIAL_COM2_IRQ 3 |
- | |
45 | - | ||
46 | #define P_WRITEB(where,what) (*((volatile char *) (0xB8000000+where))=what) |
- | |
47 | #define P_READB(where) (*((volatile char *)(0xB8000000+where))) |
- | |
48 | - | ||
49 | #define SERIAL_READ(x) P_READB(x) |
- | |
50 | #define SERIAL_WRITE(x,c) P_WRITEB(x,c) |
- | |
51 | /* Interrupt enable register */ |
- | |
52 | #define SERIAL_READ_IER(x) (P_READB((x) + 1)) |
- | |
53 | #define SERIAL_WRITE_IER(x,c) (P_WRITEB((x)+1,c)) |
- | |
54 | /* Interrupt identification register */ |
- | |
55 | #define SERIAL_READ_IIR(x) (P_READB((x) + 2)) |
- | |
56 | /* Line status register */ |
- | |
57 | #define SERIAL_READ_LSR(x) (P_READB((x) + 5)) |
- | |
58 | #define TRANSMIT_EMPTY_BIT 5 |
- | |
59 | - | ||
60 | typedef struct { |
- | |
61 | int port; |
- | |
62 | int irq; |
- | |
63 | }serial_t; |
- | |
64 | - | ||
65 | extern void serial_console(devno_t devno); |
- | |
66 | extern int serial_init(void); |
- | |
67 | 39 | ||
68 | #endif |
40 | #endif |
69 | 41 | ||
70 | /** @} |
42 | /** @} |
71 | */ |
43 | */ |