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https://github.com/brain-hackers/u-boot-brain
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bfb7d7a3d6
U-Boot contains a lot of duplicit implementations of serial_puts() call which just pipes single characters into the port in loop. Implement function that does this behavior into common code, so others can make easy use of it. This function is called default_serial_puts() and it's sole purpose is to call putc() in loop on the whole string passed to it. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Tom Rini <trini@ti.com>
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
#ifndef __SERIAL_H__
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#define __SERIAL_H__
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#include <post.h>
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struct serial_device {
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/* enough bytes to match alignment of following func pointer */
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char name[16];
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int (*start)(void);
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int (*stop)(void);
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void (*setbrg)(void);
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int (*getc)(void);
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int (*tstc)(void);
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void (*putc)(const char c);
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void (*puts)(const char *s);
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#if CONFIG_POST & CONFIG_SYS_POST_UART
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void (*loop)(int);
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#endif
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struct serial_device *next;
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};
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void default_serial_puts(const char *s);
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extern struct serial_device serial_smc_device;
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extern struct serial_device serial_scc_device;
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extern struct serial_device *default_serial_console(void);
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#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
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defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
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defined(CONFIG_405EX) || defined(CONFIG_440) || \
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defined(CONFIG_MB86R0x) || defined(CONFIG_MPC5xxx) || \
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defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || \
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defined(CONFIG_MPC86xx) || defined(CONFIG_SYS_SC520) || \
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defined(CONFIG_TEGRA20) || defined(CONFIG_SYS_COREBOOT) || \
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defined(CONFIG_MICROBLAZE)
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extern struct serial_device serial0_device;
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extern struct serial_device serial1_device;
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#endif
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extern struct serial_device eserial1_device;
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extern struct serial_device eserial2_device;
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extern void serial_register(struct serial_device *);
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extern void serial_initialize(void);
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extern void serial_stdio_init(void);
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extern int serial_assign(const char *name);
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extern void serial_reinit_all(void);
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/* For usbtty */
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#ifdef CONFIG_USB_TTY
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extern int usbtty_getc(void);
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extern void usbtty_putc(const char c);
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extern void usbtty_puts(const char *str);
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extern int usbtty_tstc(void);
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#else
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/* stubs */
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#define usbtty_getc() 0
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#define usbtty_putc(a)
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#define usbtty_puts(a)
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#define usbtty_tstc() 0
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#endif /* CONFIG_USB_TTY */
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#if defined(CONFIG_MPC512X)
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extern struct stdio_dev *open_port(int num, int baudrate);
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extern int close_port(int num);
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extern int write_port(struct stdio_dev *port, char *buf);
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extern int read_port(struct stdio_dev *port, char *buf, int size);
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#endif
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#endif
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