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Make the serial driver framework work with CONFIG_SERIAL_MULTI enabled

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This commit is contained in:
Wolfgang Denk 2006-08-30 23:02:10 +02:00
parent 2b75062a0f
commit 0fd30252c8
6 changed files with 157 additions and 3 deletions
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3
CHANGELOG
View File

@ -2,6 +2,9 @@
Changes since U-Boot 1.1.4:
======================================================================
* Make the serial driver framework work with CONFIG_SERIAL_MULTI
enabled
* PCIe endpoint support for AMCC Yucca 440SPe board
Patch by Tirumala R Marri, 26 Aug 2006

28
common/serial.c
View File

@ -42,7 +42,19 @@ struct serial_device *default_serial_console (void)
return &serial_scc_device;
#elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
|| defined(CONFIG_405EP) || defined(CONFIG_MPC5xxx)
#if defined(CONFIG_UART1_CONSOLE)
#if defined(CONFIG_CONS_INDEX) && defined(CFG_NS16550_SERIAL)
#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;
#else
#error "Bad CONFIG_CONS_INDEX."
#endif
#elif defined(CONFIG_UART1_CONSOLE)
return &serial1_device;
#else
return &serial0_device;
@ -84,6 +96,20 @@ void serial_initialize (void)
serial_register(&serial1_device);
#endif
#if defined(CFG_NS16550_SERIAL)
#if defined(CFG_NS16550_COM1)
serial_register(&eserial1_device);
#endif
#if defined(CFG_NS16550_COM2)
serial_register(&eserial2_device);
#endif
#if defined(CFG_NS16550_COM3)
serial_register(&eserial3_device);
#endif
#if defined(CFG_NS16550_COM4)
serial_register(&eserial4_device);
#endif
#endif /* CFG_NS16550_SERIAL */
serial_assign (default_serial_console ()->name);
}

4
drivers/ns9750_serial.c
View File

@ -35,6 +35,10 @@
DECLARE_GLOBAL_DATA_PTR;
#if !defined(CONFIG_CONS_INDEX)
#error "No console index specified."
#endif
#define CONSOLE CONFIG_CONS_INDEX
static unsigned int calcBitrateRegister( void );

111
drivers/serial.c
View File

@ -30,10 +30,20 @@
#include <ns87308.h>
#endif
#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 console index specified."
#endif /* CONFIG_SERIAL_MULTI */
#elif (CONFIG_CONS_INDEX < 1) || (CONFIG_CONS_INDEX > 4)
#error "Invalid console index value."
#endif
@ -75,7 +85,42 @@ static NS16550_t serial_ports[4] = {
};
#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)
{
@ -103,6 +148,7 @@ static int calc_divisor (NS16550_t port)
}
#if !defined(CONFIG_SERIAL_MULTI)
int serial_init (void)
{
int clock_divisor;
@ -130,6 +176,7 @@ int serial_init (void)
return (0);
}
#endif
void
_serial_putc(const char c,const int port)
@ -176,40 +223,104 @@ _serial_setbrg (const int 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 _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)
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

7
include/configs/mcc200.h
View File

@ -72,12 +72,15 @@
*/
#if !defined(CONFIG_PRS200)
/* MCC200 configuration: */
#undef CONFIG_PSC_CONSOLE
#define CONFIG_SERIAL_MULTI 1
#define CONFIG_PSC_CONSOLE 1 /* PSC1 may be COM */
#define CONFIG_PSC_CONSOLE2 2 /* PSC2 is PSoC */
#else
/* PRS200 configuration: */
#define CONFIG_PSC_CONSOLE 1 /* console is on PSC1 */
#endif
#if defined(CONFIG_QUART_CONSOLE) && defined(CONFIG_PSC_CONSOLE)
#if defined(CONFIG_QUART_CONSOLE) && defined(CONFIG_PSC_CONSOLE) && \
!defined(CONFIG_SERIAL_MULTI)
#error "Select only one console device!"
#endif
#define CONFIG_BAUDRATE 115200

7
include/serial.h
View File

@ -26,6 +26,13 @@ extern struct serial_device * default_serial_console (void);
|| defined(CONFIG_405EP) || defined(CONFIG_MPC5xxx)
extern struct serial_device serial0_device;
extern struct serial_device serial1_device;
#if defined(CFG_NS16550_SERIAL)
extern struct serial_device eserial1_device;
extern struct serial_device eserial2_device;
extern struct serial_device eserial3_device;
extern struct serial_device eserial4_device;
#endif /* CFG_NS16550_SERIAL */
#endif