#include <ns87308.h>
#endif
-#if CONFIG_CONS_INDEX == 1
-static NS16550_t console = (NS16550_t) CFG_NS16550_COM1;
-#elif CONFIG_CONS_INDEX == 2
-static NS16550_t console = (NS16550_t) CFG_NS16550_COM2;
-#elif CONFIG_CONS_INDEX == 3
-static NS16550_t console = (NS16550_t) CFG_NS16550_COM3;
-#elif CONFIG_CONS_INDEX == 4
-static NS16550_t console = (NS16550_t) CFG_NS16550_COM4;
+#if defined (CONFIG_SERIAL_MULTI)
+#include <serial.h>
+#endif
+
+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 valid console defined
+#error "No console index specified."
+#endif /* CONFIG_SERIAL_MULTI */
+#elif (CONFIG_CONS_INDEX < 1) || (CONFIG_CONS_INDEX > 4)
+#error "Invalid console index value."
#endif
-int serial_init (void)
+#if CONFIG_CONS_INDEX == 1 && !defined(CFG_NS16550_COM1)
+#error "Console port 1 defined but not configured."
+#elif CONFIG_CONS_INDEX == 2 && !defined(CFG_NS16550_COM2)
+#error "Console port 2 defined but not configured."
+#elif CONFIG_CONS_INDEX == 3 && !defined(CFG_NS16550_COM3)
+#error "Console port 3 defined but not configured."
+#elif CONFIG_CONS_INDEX == 4 && !defined(CFG_NS16550_COM4)
+#error "Console port 4 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] = {
+#ifdef CFG_NS16550_COM1
+ (NS16550_t)CFG_NS16550_COM1,
+#else
+ NULL,
+#endif
+#ifdef CFG_NS16550_COM2
+ (NS16550_t)CFG_NS16550_COM2,
+#else
+ NULL,
+#endif
+#ifdef CFG_NS16550_COM3
+ (NS16550_t)CFG_NS16550_COM3,
+#else
+ NULL,
+#endif
+#ifdef CFG_NS16550_COM4
+ (NS16550_t)CFG_NS16550_COM4
+#else
+ NULL
+#endif
+};
+
+#define PORT serial_ports[port-1]
+#if defined(CONFIG_CONS_INDEX)
+#define CONSOLE (serial_ports[CONFIG_CONS_INDEX-1])
+#endif
+
+#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);}
+
+/* Serial device descriptor */
+#define INIT_ESERIAL_STRUCTURE(port,name,bus) {\
+ name,\
+ bus,\
+ eserial##port##_init,\
+ eserial##port##_setbrg,\
+ eserial##port##_getc,\
+ eserial##port##_tstc,\
+ eserial##port##_putc,\
+ eserial##port##_puts, }
+
+#endif /* CONFIG_SERIAL_MULTI */
+
+static int calc_divisor (NS16550_t port)
{
- DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_OMAP1510
+ /* If can't cleanly clock 115200 set div to 1 */
+ if ((CFG_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 ((CFG_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
+ return (CFG_NS16550_CLK / MODE_X_DIV / gd->baudrate);
- int clock_divisor = (CFG_NS16550_CLK + gd->baudrate * 8 )
- / (gd->baudrate * 16);
+}
+
+#if !defined(CONFIG_SERIAL_MULTI)
+int serial_init (void)
+{
+ int clock_divisor;
#ifdef CFG_NS87308
initialise_ns87308();
#endif
- NS16550_init(console, clock_divisor);
+#ifdef CFG_NS16550_COM1
+ clock_divisor = calc_divisor(serial_ports[0]);
+ NS16550_init(serial_ports[0], clock_divisor);
+#endif
+#ifdef CFG_NS16550_COM2
+ clock_divisor = calc_divisor(serial_ports[1]);
+ NS16550_init(serial_ports[1], clock_divisor);
+#endif
+#ifdef CFG_NS16550_COM3
+ clock_divisor = calc_divisor(serial_ports[2]);
+ NS16550_init(serial_ports[2], clock_divisor);
+#endif
+#ifdef CFG_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)
+_serial_putc(const char c,const int port)
{
if (c == '\n')
- NS16550_putc(console, '\r');
+ NS16550_putc(PORT, '\r');
+
+ NS16550_putc(PORT, c);
+}
- NS16550_putc(console, c);
+void
+_serial_putc_raw(const char c,const int port)
+{
+ NS16550_putc(PORT, c);
}
void
-serial_puts (const char *s)
+_serial_puts (const char *s,const int port)
{
while (*s) {
- serial_putc (*s++);
+ _serial_putc (*s++,port);
}
}
+int
+_serial_getc(const int port)
+{
+ return NS16550_getc(PORT);
+}
+
+int
+_serial_tstc(const int port)
+{
+ return NS16550_tstc(PORT);
+}
+
+void
+_serial_setbrg (const int port)
+{
+ int clock_divisor;
+
+ clock_divisor = calc_divisor(PORT);
+ 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 NS16550_getc(console);
+ 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 NS16550_tstc(console);
+ 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(void)
{
- DECLARE_GLOBAL_DATA_PTR;
+ _serial_setbrg(CONFIG_CONS_INDEX);
+}
+#endif
- int clock_divisor = CFG_NS16550_CLK / 16 / gd->baudrate;
+#if defined(CONFIG_SERIAL_MULTI)
- NS16550_reinit(console, clock_divisor);
-}
+DECLARE_ESERIAL_FUNCTIONS(1);
+struct serial_device eserial1_device =
+ INIT_ESERIAL_STRUCTURE(1,"eserial0","EUART1");
+DECLARE_ESERIAL_FUNCTIONS(2);
+struct serial_device eserial2_device =
+ INIT_ESERIAL_STRUCTURE(2,"eserial1","EUART2");
+DECLARE_ESERIAL_FUNCTIONS(3);
+struct serial_device eserial3_device =
+ INIT_ESERIAL_STRUCTURE(3,"eserial2","EUART3");
+DECLARE_ESERIAL_FUNCTIONS(4);
+struct serial_device eserial4_device =
+ INIT_ESERIAL_STRUCTURE(4,"eserial3","EUART4");
+#endif /* CONFIG_SERIAL_MULTI */
#endif
projects / oweals / u-boot.git / blobdiff