blob: 47332c53406eb16b2226d1792c463ab6066fd396 [file] [log] [blame]
#ifndef __SERIAL_H__
#define __SERIAL_H__
#include <post.h>
struct serial_device {
/* enough bytes to match alignment of following func pointer */
char name[16];
int (*start)(void);
int (*stop)(void);
void (*setbrg)(void);
int (*getc)(void);
int (*tstc)(void);
void (*putc)(const char c);
void (*puts)(const char *s);
void (*loop)(int);
struct serial_device *next;
void default_serial_puts(const char *s);
extern struct serial_device serial_smc_device;
extern struct serial_device serial_scc_device;
extern struct serial_device *default_serial_console(void);
#if defined(CONFIG_405GP) || \
defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
defined(CONFIG_405EX) || defined(CONFIG_440) || \
defined(CONFIG_MPC5xxx) || \
defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \
defined(CONFIG_TEGRA) || defined(CONFIG_SYS_COREBOOT) || \
extern struct serial_device serial0_device;
extern struct serial_device serial1_device;
extern struct serial_device eserial1_device;
extern struct serial_device eserial2_device;
extern struct serial_device eserial3_device;
extern struct serial_device eserial4_device;
extern struct serial_device eserial5_device;
extern struct serial_device eserial6_device;
extern void serial_register(struct serial_device *);
extern void serial_initialize(void);
extern void serial_stdio_init(void);
extern int serial_assign(const char *name);
extern void serial_reinit_all(void);
/* For usbtty */
extern int usbtty_getc(void);
extern void usbtty_putc(const char c);
extern void usbtty_puts(const char *str);
extern int usbtty_tstc(void);
/* stubs */
#define usbtty_getc() 0
#define usbtty_putc(a)
#define usbtty_puts(a)
#define usbtty_tstc() 0
#endif /* CONFIG_USB_TTY */
#if defined(CONFIG_MPC512X)
extern struct stdio_dev *open_port(int num, int baudrate);
extern int close_port(int num);
extern int write_port(struct stdio_dev *port, char *buf);
extern int read_port(struct stdio_dev *port, char *buf, int size);
struct udevice;
* struct struct dm_serial_ops - Driver model serial operations
* The uclass interface is implemented by all serial devices which use
* driver model.
struct dm_serial_ops {
* setbrg() - Set up the baud rate generator
* Adjust baud rate divisors to set up a new baud rate for this
* device. Not all devices will support all rates. If the rate
* cannot be supported, the driver is free to select the nearest
* available rate. or return -EINVAL if this is not possible.
* @dev: Device pointer
* @baudrate: New baud rate to use
* @return 0 if OK, -ve on error
int (*setbrg)(struct udevice *dev, int baudrate);
* getc() - Read a character and return it
* If no character is available, this should return -EAGAIN without
* waiting.
* @dev: Device pointer
* @return character (0..255), -ve on error
int (*getc)(struct udevice *dev);
* putc() - Write a character
* @dev: Device pointer
* @ch: character to write
* @return 0 if OK, -ve on error
int (*putc)(struct udevice *dev, const char ch);
* pending() - Check if input/output characters are waiting
* This can be used to return an indication of the number of waiting
* characters if the driver knows this (e.g. by looking at the FIFO
* level). It is acceptable to return 1 if an indeterminant number
* of characters is waiting.
* This method is optional.
* @dev: Device pointer
* @input: true to check input characters, false for output
* @return number of waiting characters, 0 for none, -ve on error
int (*pending)(struct udevice *dev, bool input);
* clear() - Clear the serial FIFOs/holding registers
* This method is optional.
* This quickly clears any input/output characters from the UART.
* If this is not possible, but characters still exist, then it
* is acceptable to return -EAGAIN (try again) or -EINVAL (not
* supported).
* @dev: Device pointer
* @return 0 if OK, -ve on error
int (*clear)(struct udevice *dev);
* loop() - Control serial device loopback mode
* @dev: Device pointer
* @on: 1 to turn loopback on, 0 to turn if off
int (*loop)(struct udevice *dev, int on);
* struct serial_dev_priv - information about a device used by the uclass
* @sdev: stdio device attached to this uart
struct serial_dev_priv {
struct stdio_dev *sdev;
/* Access the serial operations for a device */
#define serial_get_ops(dev) ((struct dm_serial_ops *)(dev)->driver->ops)
void amirix_serial_initialize(void);
void arc_serial_initialize(void);
void arm_dcc_initialize(void);
void asc_serial_initialize(void);
void atmel_serial_initialize(void);
void au1x00_serial_initialize(void);
void bfin_jtag_initialize(void);
void bfin_serial_initialize(void);
void bmw_serial_initialize(void);
void clps7111_serial_initialize(void);
void cogent_serial_initialize(void);
void cpci750_serial_initialize(void);
void evb64260_serial_initialize(void);
void imx_serial_initialize(void);
void iop480_serial_initialize(void);
void jz_serial_initialize(void);
void leon2_serial_initialize(void);
void leon3_serial_initialize(void);
void lh7a40x_serial_initialize(void);
void lpc32xx_serial_initialize(void);
void marvell_serial_initialize(void);
void max3100_serial_initialize(void);
void mcf_serial_initialize(void);
void ml2_serial_initialize(void);
void mpc512x_serial_initialize(void);
void mpc5xx_serial_initialize(void);
void mpc8260_scc_serial_initialize(void);
void mpc8260_smc_serial_initialize(void);
void mpc85xx_serial_initialize(void);
void mpc8xx_serial_initialize(void);
void mxc_serial_initialize(void);
void mxs_auart_initialize(void);
void ns16550_serial_initialize(void);
void oc_serial_initialize(void);
void p3mx_serial_initialize(void);
void pl01x_serial_initialize(void);
void pxa_serial_initialize(void);
void s3c24xx_serial_initialize(void);
void s5p_serial_initialize(void);
void sa1100_serial_initialize(void);
void sandbox_serial_initialize(void);
void sconsole_serial_initialize(void);
void sh_serial_initialize(void);
void uartlite_serial_initialize(void);
void zynq_serial_initialize(void);