* (C) Copyright 2000
* Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <ns87308.h>
#endif
-#if defined (CONFIG_SERIAL_MULTI)
#include <serial.h>
-#endif
+
+#ifndef CONFIG_NS16550_MIN_FUNCTIONS
DECLARE_GLOBAL_DATA_PTR;
#if !defined(CONFIG_CONS_INDEX)
-#if defined (CONFIG_SERIAL_MULTI)
-/* with CONFIG_SERIAL_MULTI we might have no console
- * on these devices
- */
-#else
-#error "No console index specified."
-#endif /* CONFIG_SERIAL_MULTI */
-#elif (CONFIG_CONS_INDEX < 1) || (CONFIG_CONS_INDEX > 4)
+#elif (CONFIG_CONS_INDEX < 1) || (CONFIG_CONS_INDEX > 6)
#error "Invalid console index value."
#endif
#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[4] = {
+static NS16550_t serial_ports[6] = {
#ifdef CONFIG_SYS_NS16550_COM1
(NS16550_t)CONFIG_SYS_NS16550_COM1,
#else
NULL,
#endif
#ifdef CONFIG_SYS_NS16550_COM4
- (NS16550_t)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]
-#if defined(CONFIG_SERIAL_MULTI)
-
/* Multi serial device functions */
#define DECLARE_ESERIAL_FUNCTIONS(port) \
- int eserial##port##_init (void) {\
- int clock_divisor; \
- clock_divisor = calc_divisor(serial_ports[port-1]); \
- NS16550_init(serial_ports[port-1], clock_divisor); \
- return(0);}\
- void eserial##port##_setbrg (void) {\
- serial_setbrg_dev(port);}\
- int eserial##port##_getc (void) {\
- return serial_getc_dev(port);}\
- int eserial##port##_tstc (void) {\
- return serial_tstc_dev(port);}\
- void eserial##port##_putc (const char c) {\
- serial_putc_dev(port, c);}\
- void eserial##port##_puts (const char *s) {\
- serial_puts_dev(port, s);}
+ 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) { \
.puts = eserial##port##_puts, \
}
-#endif /* CONFIG_SERIAL_MULTI */
-
-static int calc_divisor (NS16550_t port)
-{
-#ifdef CONFIG_OMAP1510
- /* If can't cleanly clock 115200 set div to 1 */
- if ((CONFIG_SYS_NS16550_CLK == 12000000) && (gd->baudrate == 115200)) {
- port->osc_12m_sel = OSC_12M_SEL; /* enable 6.5 * divisor */
- return (1); /* return 1 for base divisor */
- }
- port->osc_12m_sel = 0; /* clear if previsouly set */
-#endif
-#ifdef CONFIG_OMAP1610
- /* If can't cleanly clock 115200 set div to 1 */
- if ((CONFIG_SYS_NS16550_CLK == 48000000) && (gd->baudrate == 115200)) {
- return (26); /* return 26 for base divisor */
- }
-#endif
-
-#ifdef CONFIG_APTIX
-#define MODE_X_DIV 13
-#else
-#define MODE_X_DIV 16
-#endif
-
- /* Compute divisor value. Normally, we should simply return:
- * CONFIG_SYS_NS16550_CLK) / MODE_X_DIV / gd->baudrate
- * but we need to round that value by adding 0.5.
- * Rounding is especially important at high baud rates.
- */
- return (CONFIG_SYS_NS16550_CLK + (gd->baudrate * (MODE_X_DIV / 2))) /
- (MODE_X_DIV * gd->baudrate);
-}
-
-#if !defined(CONFIG_SERIAL_MULTI)
-int serial_init (void)
-{
- int clock_divisor;
-
-#ifdef CONFIG_NS87308
- initialise_ns87308();
-#endif
-
-#ifdef CONFIG_SYS_NS16550_COM1
- clock_divisor = calc_divisor(serial_ports[0]);
- NS16550_init(serial_ports[0], clock_divisor);
-#endif
-#ifdef CONFIG_SYS_NS16550_COM2
- clock_divisor = calc_divisor(serial_ports[1]);
- NS16550_init(serial_ports[1], clock_divisor);
-#endif
-#ifdef CONFIG_SYS_NS16550_COM3
- clock_divisor = calc_divisor(serial_ports[2]);
- NS16550_init(serial_ports[2], clock_divisor);
-#endif
-#ifdef CONFIG_SYS_NS16550_COM4
- clock_divisor = calc_divisor(serial_ports[3]);
- NS16550_init(serial_ports[3], clock_divisor);
-#endif
-
- return (0);
-}
-#endif
-
-void
-_serial_putc(const char c,const int port)
+static void _serial_putc(const char c, const int port)
{
if (c == '\n')
NS16550_putc(PORT, '\r');
NS16550_putc(PORT, c);
}
-void
-_serial_putc_raw(const char c,const int port)
+static void _serial_putc_raw(const char c, const int port)
{
NS16550_putc(PORT, c);
}
-void
-_serial_puts (const char *s,const int port)
+static void _serial_puts(const char *s, const int port)
{
while (*s) {
- _serial_putc (*s++,port);
+ _serial_putc(*s++, port);
}
}
-
-int
-_serial_getc(const int port)
+static int _serial_getc(const int port)
{
return NS16550_getc(PORT);
}
-int
-_serial_tstc(const int port)
+static int _serial_tstc(const int port)
{
return NS16550_tstc(PORT);
}
-void
-_serial_setbrg (const int port)
+static void _serial_setbrg(const int port)
{
int clock_divisor;
- clock_divisor = calc_divisor(PORT);
+ clock_divisor = ns16550_calc_divisor(PORT, CONFIG_SYS_NS16550_CLK,
+ gd->baudrate);
NS16550_reinit(PORT, clock_divisor);
}
-#if defined(CONFIG_SERIAL_MULTI)
static inline void
serial_putc_dev(unsigned int dev_index,const char c)
{
_serial_putc(c,dev_index);
}
-#else
-void
-serial_putc(const char c)
-{
- _serial_putc(c,CONFIG_CONS_INDEX);
-}
-#endif
-#if defined(CONFIG_SERIAL_MULTI)
static inline void
serial_putc_raw_dev(unsigned int dev_index,const char c)
{
_serial_putc_raw(c,dev_index);
}
-#else
-void
-serial_putc_raw(const char c)
-{
- _serial_putc_raw(c,CONFIG_CONS_INDEX);
-}
-#endif
-#if defined(CONFIG_SERIAL_MULTI)
static inline void
serial_puts_dev(unsigned int dev_index,const char *s)
{
_serial_puts(s,dev_index);
}
-#else
-void
-serial_puts(const char *s)
-{
- _serial_puts(s,CONFIG_CONS_INDEX);
-}
-#endif
-#if defined(CONFIG_SERIAL_MULTI)
static inline int
serial_getc_dev(unsigned int dev_index)
{
return _serial_getc(dev_index);
}
-#else
-int
-serial_getc(void)
-{
- return _serial_getc(CONFIG_CONS_INDEX);
-}
-#endif
-#if defined(CONFIG_SERIAL_MULTI)
static inline int
serial_tstc_dev(unsigned int dev_index)
{
return _serial_tstc(dev_index);
}
-#else
-int
-serial_tstc(void)
-{
- return _serial_tstc(CONFIG_CONS_INDEX);
-}
-#endif
-#if defined(CONFIG_SERIAL_MULTI)
static inline void
serial_setbrg_dev(unsigned int dev_index)
{
_serial_setbrg(dev_index);
}
-#else
-void
-serial_setbrg(void)
-{
- _serial_setbrg(CONFIG_CONS_INDEX);
-}
-#endif
-
-#if defined(CONFIG_SERIAL_MULTI)
+#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)
{
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
#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_SERIAL_MULTI */
+#endif /* !CONFIG_NS16550_MIN_FUNCTIONS */
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