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Commit eee4146a authored by Matt Porter's avatar Matt Porter Committed by Linus Torvalds
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[PATCH] ppc32: remove orphaned ppc4xx_kgdb.c 



Removes ppc4xx_kgdb.c which is no longer being used.  Pointed out by Andrei
Konovalov.

Signed-off-by: default avatarMatt Porter <mporter@kernel.crashing.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 682afbbd

arch/ppc/syslib/ppc4xx_kgdb.c

deleted100644 → 0
+0 −124
Original line number Diff line number Diff line 
#include <linux/config.h>

#include <linux/types.h>

#include <asm/ibm4xx.h>

#include <linux/kernel.h>







#define LSR_DR		0x01 /* Data ready */

#define LSR_OE		0x02 /* Overrun */

#define LSR_PE		0x04 /* Parity error */

#define LSR_FE		0x08 /* Framing error */

#define LSR_BI		0x10 /* Break */

#define LSR_THRE	0x20 /* Xmit holding register empty */

#define LSR_TEMT	0x40 /* Xmitter empty */

#define LSR_ERR		0x80 /* Error */



#include <platforms/4xx/ibm_ocp.h>



extern struct NS16550* COM_PORTS[];

#ifndef NULL

#define NULL 0x00

#endif



static volatile struct NS16550 *kgdb_debugport = NULL;



volatile struct NS16550 *

NS16550_init(int chan)

{

	volatile struct NS16550 *com_port;

	int quot;

#ifdef BASE_BAUD

	quot = BASE_BAUD / 9600;

#else

	quot = 0x000c; /* 0xc = 9600 baud (on a pc) */

#endif



	com_port = (struct NS16550 *) COM_PORTS[chan];



	com_port->lcr = 0x00;

	com_port->ier = 0xFF;

	com_port->ier = 0x00;

	com_port->lcr = com_port->lcr | 0x80; /* Access baud rate */

	com_port->dll = ( quot & 0x00ff ); /* 0xc = 9600 baud */

	com_port->dlm = ( quot & 0xff00 ) >> 8;

	com_port->lcr = 0x03; /* 8 data, 1 stop, no parity */

	com_port->mcr = 0x00; /* RTS/DTR */

	com_port->fcr = 0x07; /* Clear & enable FIFOs */



	return( com_port );

}





void

NS16550_putc(volatile struct NS16550 *com_port, unsigned char c)

{

	while ((com_port->lsr & LSR_THRE) == 0)

		;

	com_port->thr = c;

	return;

}



unsigned char

NS16550_getc(volatile struct NS16550 *com_port)

{

	while ((com_port->lsr & LSR_DR) == 0)

		;

	return (com_port->rbr);

}



unsigned char

NS16550_tstc(volatile struct NS16550 *com_port)

{

	return ((com_port->lsr & LSR_DR) != 0);

}





#if defined(CONFIG_KGDB_TTYS0)

#define KGDB_PORT 0

#elif defined(CONFIG_KGDB_TTYS1)

#define KGDB_PORT 1

#elif defined(CONFIG_KGDB_TTYS2)

#define KGDB_PORT 2

#elif defined(CONFIG_KGDB_TTYS3)

#define KGDB_PORT 3

#else

#error "invalid kgdb_tty port"

#endif



void putDebugChar( unsigned char c )

{

	if ( kgdb_debugport == NULL )

		kgdb_debugport = NS16550_init(KGDB_PORT);

	NS16550_putc( kgdb_debugport, c );

}



int getDebugChar( void )

{

	if (kgdb_debugport == NULL)

		kgdb_debugport = NS16550_init(KGDB_PORT);



	return(NS16550_getc(kgdb_debugport));

}



void kgdb_interruptible(int enable)

{

	return;

}



void putDebugString(char* str)

{

	while (*str != '\0') {

		putDebugChar(*str);

		str++;

	}

	putDebugChar('\r');

	return;

}



void

kgdb_map_scc(void)

{

	printk("kgdb init \n");

	kgdb_debugport = NS16550_init(KGDB_PORT);

}