patch-2.4.19 linux-2.4.19/arch/mips/ddb5476/dbg_io.c

• Lines: 126
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.18/arch/mips/ddb5476/dbg_io.c
• Orig date: Fri Apr 13 20:26:07 2001

diff -urN linux-2.4.18/arch/mips/ddb5476/dbg_io.c linux-2.4.19/arch/mips/ddb5476/dbg_io.c
@@ -1,125 +0,0 @@
-
-#include <linux/config.h>
-
-#if (defined(CONFIG_DDB5476) && defined(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 === */
-
-/* [jsun] we use the second serial port for kdb */
-#define         BASE                    0xa60002f8
-#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*)(BASE + y)))
-#define         UART16550_WRITE(y, z)  ((*((volatile uint8*)(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_38400,
-			  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_9600,
-			  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