#include <linux/config.h>#ifdef CONFIG_REMOTE_DEBUG/* --- CONFIG --- *//* we need uint32 uint8 *//* #include "types.h" */typedef unsigned char uint8;typedef unsigned int uint32;/* --- END OF CONFIG --- */#define         UART16550_BAUD_2400             2400#define         UART16550_BAUD_4800             4800#define         UART16550_BAUD_9600             9600#define         UART16550_BAUD_19200            19200#define         UART16550_BAUD_38400            38400#define         UART16550_BAUD_57600            57600#define         UART16550_BAUD_115200           115200#define         UART16550_PARITY_NONE           0#define         UART16550_PARITY_ODD            0x08#define         UART16550_PARITY_EVEN           0x18#define         UART16550_PARITY_MARK           0x28#define         UART16550_PARITY_SPACE          0x38#define         UART16550_DATA_5BIT             0x0#define         UART16550_DATA_6BIT             0x1#define         UART16550_DATA_7BIT             0x2#define         UART16550_DATA_8BIT             0x3#define         UART16550_STOP_1BIT             0x0#define         UART16550_STOP_2BIT             0x4/* ----------------------------------------------------- *//* === CONFIG === *//* [stevel] we use the IT8712 serial port for kgdb */#define	DEBUG_BASE  0xB40003F8	/* 8712 serial port 1 base address */#define MAX_BAUD    115200/* === END OF CONFIG === *//* register offset */#define         OFS_RCV_BUFFER          0#define         OFS_TRANS_HOLD          0#define         OFS_SEND_BUFFER         0#define         OFS_INTR_ENABLE         1#define         OFS_INTR_ID             2#define         OFS_DATA_FORMAT         3#define         OFS_LINE_CONTROL        3#define         OFS_MODEM_CONTROL       4#define         OFS_RS232_OUTPUT        4#define         OFS_LINE_STATUS         5#define         OFS_MODEM_STATUS        6#define         OFS_RS232_INPUT         6#define         OFS_SCRATCH_PAD         7#define         OFS_DIVISOR_LSB         0#define         OFS_DIVISOR_MSB         1/* memory-mapped read/write of the port */#define UART16550_READ(y)    (*((volatile uint8*)(DEBUG_BASE + y)))#define UART16550_WRITE(y,z) ((*((volatile uint8*)(DEBUG_BASE + y))) = z)void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop){	/* disable interrupts */	UART16550_WRITE(OFS_INTR_ENABLE, 0);	/* set up buad rate */	{		uint32 divisor;		/* set DIAB bit */		UART16550_WRITE(OFS_LINE_CONTROL, 0x80);		/* set divisor */		divisor = MAX_BAUD / baud;		UART16550_WRITE(OFS_DIVISOR_LSB, divisor & 0xff);		UART16550_WRITE(OFS_DIVISOR_MSB, (divisor & 0xff00) >> 8);		/* clear DIAB bit */		UART16550_WRITE(OFS_LINE_CONTROL, 0x0);	}	/* set data format */	UART16550_WRITE(OFS_DATA_FORMAT, data | parity | stop);}static int remoteDebugInitialized = 0;uint8 getDebugChar(void){	if (!remoteDebugInitialized) {		remoteDebugInitialized = 1;		debugInit(UART16550_BAUD_115200,			  UART16550_DATA_8BIT,			  UART16550_PARITY_NONE, UART16550_STOP_1BIT);	}	while ((UART16550_READ(OFS_LINE_STATUS) & 0x1) == 0);	return UART16550_READ(OFS_RCV_BUFFER);}int putDebugChar(uint8 byte){	if (!remoteDebugInitialized) {		remoteDebugInitialized = 1;		debugInit(UART16550_BAUD_115200,			  UART16550_DATA_8BIT,			  UART16550_PARITY_NONE, UART16550_STOP_1BIT);	}	while ((UART16550_READ(OFS_LINE_STATUS) & 0x20) == 0);	UART16550_WRITE(OFS_SEND_BUFFER, byte);	return 1;}#endif