xref: /rk3399_rockchip-uboot/include/serial.h (revision 5ae1de0d491f7558487f90870d3506c783fee755)
1 #ifndef __SERIAL_H__
2 #define __SERIAL_H__
3 
4 #include <post.h>
5 
6 struct serial_device {
7 	/* enough bytes to match alignment of following func pointer */
8 	char	name[16];
9 
10 	int	(*start)(void);
11 	int	(*stop)(void);
12 	void	(*setbrg)(void);
13 	int	(*getc)(void);
14 	int	(*tstc)(void);
15 	void	(*putc)(const char c);
16 	void	(*puts)(const char *s);
17 #if CONFIG_POST & CONFIG_SYS_POST_UART
18 	void	(*loop)(int);
19 #endif
20 	struct serial_device	*next;
21 };
22 
23 extern struct serial_device serial_smc_device;
24 extern struct serial_device serial_scc_device;
25 extern struct serial_device *default_serial_console(void);
26 
27 #if	defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
28 	defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
29 	defined(CONFIG_405EX) || defined(CONFIG_440) || \
30 	defined(CONFIG_MB86R0x) || defined(CONFIG_MPC5xxx) || \
31 	defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
32 	defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \
33 	defined(CONFIG_TEGRA20) || defined(CONFIG_SYS_COREBOOT) || \
34 	defined(CONFIG_MICROBLAZE)
35 extern struct serial_device serial0_device;
36 extern struct serial_device serial1_device;
37 #endif
38 
39 extern struct serial_device eserial1_device;
40 extern struct serial_device eserial2_device;
41 
42 #if defined(CONFIG_OMAP3_ZOOM2)
43 extern struct serial_device zoom2_serial_device0;
44 extern struct serial_device zoom2_serial_device1;
45 extern struct serial_device zoom2_serial_device2;
46 extern struct serial_device zoom2_serial_device3;
47 #endif
48 
49 extern void serial_register(struct serial_device *);
50 extern void serial_initialize(void);
51 extern void serial_stdio_init(void);
52 extern int serial_assign(const char *name);
53 extern void serial_reinit_all(void);
54 
55 /* For usbtty */
56 #ifdef CONFIG_USB_TTY
57 
58 extern int usbtty_getc(void);
59 extern void usbtty_putc(const char c);
60 extern void usbtty_puts(const char *str);
61 extern int usbtty_tstc(void);
62 
63 #else
64 
65 /* stubs */
66 #define usbtty_getc() 0
67 #define usbtty_putc(a)
68 #define usbtty_puts(a)
69 #define usbtty_tstc() 0
70 
71 #endif /* CONFIG_USB_TTY */
72 
73 #if defined(CONFIG_MPC512X) &&  defined(CONFIG_SERIAL_MULTI)
74 extern struct stdio_dev *open_port(int num, int baudrate);
75 extern int close_port(int num);
76 extern int write_port(struct stdio_dev *port, char *buf);
77 extern int read_port(struct stdio_dev *port, char *buf, int size);
78 #endif
79 
80 #endif
81