mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
3d16389c90
Different AM335x based platforms have different serial consoles. As serial console is Kconfig option a separate defconfig has to be created for each platform. So pass the serial device dynamically. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
217 lines
6.2 KiB
C
217 lines
6.2 KiB
C
#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);
|
|
#if CONFIG_POST & CONFIG_SYS_POST_UART
|
|
void (*loop)(int);
|
|
#endif
|
|
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) || \
|
|
defined(CONFIG_MICROBLAZE)
|
|
extern struct serial_device serial0_device;
|
|
extern struct serial_device serial1_device;
|
|
#endif
|
|
|
|
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 */
|
|
#ifdef CONFIG_USB_TTY
|
|
|
|
extern int usbtty_getc(void);
|
|
extern void usbtty_putc(const char c);
|
|
extern void usbtty_puts(const char *str);
|
|
extern int usbtty_tstc(void);
|
|
|
|
#else
|
|
|
|
/* 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);
|
|
#endif
|
|
|
|
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);
|
|
#if CONFIG_POST & CONFIG_SYS_POST_UART
|
|
/**
|
|
* 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);
|
|
#endif
|
|
};
|
|
|
|
/**
|
|
* 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);
|
|
|
|
#endif
|