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dm: console/serial: add flushc() support 

Flush console data.

Change-Id: If347b6c8d1126452a1f6386040693b30c66eb5fb
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
This commit is contained in:
Joseph Chen 2019-05-05 12:50:43 +08:00
parent 3bee194f53
commit c1e72b20c9
5 changed files with 58 additions and 0 deletions
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37
common/console.c
View File

@ -256,6 +256,18 @@ static inline void console_doenv(int file, struct stdio_dev *dev)
{
iomux_doenv(file, dev->name);
}
static void console_clear(int file)
{
int i;
struct stdio_dev *dev;
for (i = 0; i < cd_count[file]; i++) {
dev = console_devices[file][i];
if (dev->clear != NULL)
dev->clear(dev);
}
}
#else
static inline int console_getc(int file)
{
@ -283,6 +295,12 @@ static inline void console_puts(int file, const char *s)
stdio_devices[file]->puts(stdio_devices[file], s);
}
static inline void console_clear(int file)
{
if (stdio_devices[file]->clear)
stdio_devices[file]->clear(stdio_devices[file]);
}
static inline void console_doenv(int file, struct stdio_dev *dev)
{
console_setfile(file, dev);
@ -361,6 +379,12 @@ void fputs(int file, const char *s)
console_puts(file, s);
}
void fclear(int file)
{
if (file < MAX_FILES)
console_clear(file);
}
int fprintf(int file, const char *fmt, ...)
{
va_list args;
@ -434,6 +458,19 @@ int tstc(void)
return serial_tstc();
}
void flushc(void)
{
#ifdef CONFIG_DISABLE_CONSOLE
if (gd->flags & GD_FLG_DISABLE_CONSOLE)
return;
#endif
if (gd->flags & GD_FLG_DEVINIT)
fclear(stdout);
else
serial_clear();
}
#define PRE_CONSOLE_FLUSHPOINT1_SERIAL 0
#define PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL 1

12
drivers/serial/serial-uclass.c
View File

@ -279,6 +279,18 @@ void serial_setbrg(void)
ops->setbrg(gd->cur_serial_dev, gd->baudrate);
}
void serial_clear(void)
{
struct dm_serial_ops *ops;
if (!gd->cur_serial_dev)
return;
ops = serial_get_ops(gd->cur_serial_dev);
if (ops->setbrg)
ops->clear(gd->cur_serial_dev);
}
void serial_stdio_init(void)
{
}

1
include/common.h
View File

@ -548,6 +548,7 @@ void smp_kick_all_cpus(void);
int serial_init (void);
void serial_setbrg (void);
void serial_putc (const char);
void serial_clear (void);
void serial_putc_raw(const char);
void serial_puts (const char *);
int serial_getc (void);

5
include/stdio.h
View File

@ -15,6 +15,7 @@ int tstc(void);
defined(CONFIG_SPL_SERIAL_SUPPORT))
void putc(const char c);
void puts(const char *s);
void flushc(void);
int __printf(1, 2) printf(const char *fmt, ...);
int vprintf(const char *fmt, va_list args);
#else
@ -26,6 +27,10 @@ static inline void puts(const char *s)
{
}
static inline void flushc(void)
{
}
static inline int __printf(1, 2) printf(const char *fmt, ...)
{
return 0;

3
include/stdio_dev.h
View File

@ -36,6 +36,9 @@ struct stdio_dev {
/* To put a string (accelerator) */
void (*puts)(struct stdio_dev *dev, const char *s);
/* Clear functions */
void (*clear)(struct stdio_dev *dev);
/* INPUT functions */
/* To test if a char is ready... */