mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-17 00:33:06 +00:00
0080931abf
clang-3.8 reports that serial_putc_raw_dev in serial_ns16550.c is unused. Further investigation shows that we have 3 places that implement this function and no callers, remove. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
258 lines
5.8 KiB
C
258 lines
5.8 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#include <ns16550.h>
|
|
#ifdef CONFIG_NS87308
|
|
#include <ns87308.h>
|
|
#endif
|
|
|
|
#include <serial.h>
|
|
|
|
#ifndef CONFIG_NS16550_MIN_FUNCTIONS
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
#if !defined(CONFIG_CONS_INDEX)
|
|
#elif (CONFIG_CONS_INDEX < 1) || (CONFIG_CONS_INDEX > 6)
|
|
#error "Invalid console index value."
|
|
#endif
|
|
|
|
#if CONFIG_CONS_INDEX == 1 && !defined(CONFIG_SYS_NS16550_COM1)
|
|
#error "Console port 1 defined but not configured."
|
|
#elif CONFIG_CONS_INDEX == 2 && !defined(CONFIG_SYS_NS16550_COM2)
|
|
#error "Console port 2 defined but not configured."
|
|
#elif CONFIG_CONS_INDEX == 3 && !defined(CONFIG_SYS_NS16550_COM3)
|
|
#error "Console port 3 defined but not configured."
|
|
#elif CONFIG_CONS_INDEX == 4 && !defined(CONFIG_SYS_NS16550_COM4)
|
|
#error "Console port 4 defined but not configured."
|
|
#elif CONFIG_CONS_INDEX == 5 && !defined(CONFIG_SYS_NS16550_COM5)
|
|
#error "Console port 5 defined but not configured."
|
|
#elif CONFIG_CONS_INDEX == 6 && !defined(CONFIG_SYS_NS16550_COM6)
|
|
#error "Console port 6 defined but not configured."
|
|
#endif
|
|
|
|
/* Note: The port number specified in the functions is 1 based.
|
|
* the array is 0 based.
|
|
*/
|
|
static NS16550_t serial_ports[6] = {
|
|
#ifdef CONFIG_SYS_NS16550_COM1
|
|
(NS16550_t)CONFIG_SYS_NS16550_COM1,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
#ifdef CONFIG_SYS_NS16550_COM2
|
|
(NS16550_t)CONFIG_SYS_NS16550_COM2,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
#ifdef CONFIG_SYS_NS16550_COM3
|
|
(NS16550_t)CONFIG_SYS_NS16550_COM3,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
#ifdef CONFIG_SYS_NS16550_COM4
|
|
(NS16550_t)CONFIG_SYS_NS16550_COM4,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
#ifdef CONFIG_SYS_NS16550_COM5
|
|
(NS16550_t)CONFIG_SYS_NS16550_COM5,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
#ifdef CONFIG_SYS_NS16550_COM6
|
|
(NS16550_t)CONFIG_SYS_NS16550_COM6
|
|
#else
|
|
NULL
|
|
#endif
|
|
};
|
|
|
|
#define PORT serial_ports[port-1]
|
|
|
|
/* Multi serial device functions */
|
|
#define DECLARE_ESERIAL_FUNCTIONS(port) \
|
|
static int eserial##port##_init(void) \
|
|
{ \
|
|
int clock_divisor; \
|
|
clock_divisor = ns16550_calc_divisor(serial_ports[port-1], \
|
|
CONFIG_SYS_NS16550_CLK, gd->baudrate); \
|
|
NS16550_init(serial_ports[port-1], clock_divisor); \
|
|
return 0 ; \
|
|
} \
|
|
static void eserial##port##_setbrg(void) \
|
|
{ \
|
|
serial_setbrg_dev(port); \
|
|
} \
|
|
static int eserial##port##_getc(void) \
|
|
{ \
|
|
return serial_getc_dev(port); \
|
|
} \
|
|
static int eserial##port##_tstc(void) \
|
|
{ \
|
|
return serial_tstc_dev(port); \
|
|
} \
|
|
static void eserial##port##_putc(const char c) \
|
|
{ \
|
|
serial_putc_dev(port, c); \
|
|
} \
|
|
static void eserial##port##_puts(const char *s) \
|
|
{ \
|
|
serial_puts_dev(port, s); \
|
|
}
|
|
|
|
/* Serial device descriptor */
|
|
#define INIT_ESERIAL_STRUCTURE(port, __name) { \
|
|
.name = __name, \
|
|
.start = eserial##port##_init, \
|
|
.stop = NULL, \
|
|
.setbrg = eserial##port##_setbrg, \
|
|
.getc = eserial##port##_getc, \
|
|
.tstc = eserial##port##_tstc, \
|
|
.putc = eserial##port##_putc, \
|
|
.puts = eserial##port##_puts, \
|
|
}
|
|
|
|
static void _serial_putc(const char c, const int port)
|
|
{
|
|
if (c == '\n')
|
|
NS16550_putc(PORT, '\r');
|
|
|
|
NS16550_putc(PORT, c);
|
|
}
|
|
|
|
static void _serial_puts(const char *s, const int port)
|
|
{
|
|
while (*s) {
|
|
_serial_putc(*s++, port);
|
|
}
|
|
}
|
|
|
|
static int _serial_getc(const int port)
|
|
{
|
|
return NS16550_getc(PORT);
|
|
}
|
|
|
|
static int _serial_tstc(const int port)
|
|
{
|
|
return NS16550_tstc(PORT);
|
|
}
|
|
|
|
static void _serial_setbrg(const int port)
|
|
{
|
|
int clock_divisor;
|
|
|
|
clock_divisor = ns16550_calc_divisor(PORT, CONFIG_SYS_NS16550_CLK,
|
|
gd->baudrate);
|
|
NS16550_reinit(PORT, clock_divisor);
|
|
}
|
|
|
|
static inline void
|
|
serial_putc_dev(unsigned int dev_index,const char c)
|
|
{
|
|
_serial_putc(c,dev_index);
|
|
}
|
|
|
|
static inline void
|
|
serial_puts_dev(unsigned int dev_index,const char *s)
|
|
{
|
|
_serial_puts(s,dev_index);
|
|
}
|
|
|
|
static inline int
|
|
serial_getc_dev(unsigned int dev_index)
|
|
{
|
|
return _serial_getc(dev_index);
|
|
}
|
|
|
|
static inline int
|
|
serial_tstc_dev(unsigned int dev_index)
|
|
{
|
|
return _serial_tstc(dev_index);
|
|
}
|
|
|
|
static inline void
|
|
serial_setbrg_dev(unsigned int dev_index)
|
|
{
|
|
_serial_setbrg(dev_index);
|
|
}
|
|
|
|
#if defined(CONFIG_SYS_NS16550_COM1)
|
|
DECLARE_ESERIAL_FUNCTIONS(1);
|
|
struct serial_device eserial1_device =
|
|
INIT_ESERIAL_STRUCTURE(1, "eserial0");
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM2)
|
|
DECLARE_ESERIAL_FUNCTIONS(2);
|
|
struct serial_device eserial2_device =
|
|
INIT_ESERIAL_STRUCTURE(2, "eserial1");
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM3)
|
|
DECLARE_ESERIAL_FUNCTIONS(3);
|
|
struct serial_device eserial3_device =
|
|
INIT_ESERIAL_STRUCTURE(3, "eserial2");
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM4)
|
|
DECLARE_ESERIAL_FUNCTIONS(4);
|
|
struct serial_device eserial4_device =
|
|
INIT_ESERIAL_STRUCTURE(4, "eserial3");
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM5)
|
|
DECLARE_ESERIAL_FUNCTIONS(5);
|
|
struct serial_device eserial5_device =
|
|
INIT_ESERIAL_STRUCTURE(5, "eserial4");
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM6)
|
|
DECLARE_ESERIAL_FUNCTIONS(6);
|
|
struct serial_device eserial6_device =
|
|
INIT_ESERIAL_STRUCTURE(6, "eserial5");
|
|
#endif
|
|
|
|
__weak struct serial_device *default_serial_console(void)
|
|
{
|
|
#if CONFIG_CONS_INDEX == 1
|
|
return &eserial1_device;
|
|
#elif CONFIG_CONS_INDEX == 2
|
|
return &eserial2_device;
|
|
#elif CONFIG_CONS_INDEX == 3
|
|
return &eserial3_device;
|
|
#elif CONFIG_CONS_INDEX == 4
|
|
return &eserial4_device;
|
|
#elif CONFIG_CONS_INDEX == 5
|
|
return &eserial5_device;
|
|
#elif CONFIG_CONS_INDEX == 6
|
|
return &eserial6_device;
|
|
#else
|
|
#error "Bad CONFIG_CONS_INDEX."
|
|
#endif
|
|
}
|
|
|
|
void ns16550_serial_initialize(void)
|
|
{
|
|
#if defined(CONFIG_SYS_NS16550_COM1)
|
|
serial_register(&eserial1_device);
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM2)
|
|
serial_register(&eserial2_device);
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM3)
|
|
serial_register(&eserial3_device);
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM4)
|
|
serial_register(&eserial4_device);
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM5)
|
|
serial_register(&eserial5_device);
|
|
#endif
|
|
#if defined(CONFIG_SYS_NS16550_COM6)
|
|
serial_register(&eserial6_device);
|
|
#endif
|
|
}
|
|
|
|
#endif /* !CONFIG_NS16550_MIN_FUNCTIONS */
|