[MIPS] kgdb: Remove existing implementation

This patch explicitly removes the kgdb implementation, for mips which
is intended to be followed by a patch that adds a kgdb implementation
for MIPS that makes use of the kgdb core in the kernel.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 76 deletions

diff --git a/arch/mips/sibyte/swarm/dbg_io.c b/arch/mips/sibyte/swarm/dbg_io.c
deleted file mode 100644
index b97ae3048482..000000000000
--- a/arch/mips/sibyte/swarm/dbg_io.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * kgdb debug routines for SiByte boards.
- *
- * Copyright (C) 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
-
-/* -------------------- BEGINNING OF CONFIG --------------------- */
-
-#include <linux/delay.h>
-#include <asm/io.h>
-#include <asm/sibyte/sb1250.h>
-#include <asm/sibyte/sb1250_regs.h>
-#include <asm/sibyte/sb1250_uart.h>
-#include <asm/sibyte/sb1250_int.h>
-#include <asm/addrspace.h>
-
-/*
- * We use the second serial port for kgdb traffic.
- *      115200, 8, N, 1.
- */
-
-#define BAUD_RATE               115200
-#define CLK_DIVISOR             V_DUART_BAUD_RATE(BAUD_RATE)
-#define DATA_BITS               V_DUART_BITS_PER_CHAR_8         /* or 7    */
-#define PARITY                  V_DUART_PARITY_MODE_NONE        /* or even */
-#define STOP_BITS               M_DUART_STOP_BIT_LEN_1          /* or 2    */
-
-static int duart_initialized = 0;       /* 0: need to be init'ed by kgdb */
-
-/* -------------------- END OF CONFIG --------------------- */
-extern int kgdb_port;
-
-#define duart_out(reg, val)     csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port, reg)))
-#define duart_in(reg)           csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port, reg)))
-
-void putDebugChar(unsigned char c);
-unsigned char getDebugChar(void);
-static void
-duart_init(int clk_divisor, int data, int parity, int stop)
-{
-        duart_out(R_DUART_MODE_REG_1, data | parity);
-        duart_out(R_DUART_MODE_REG_2, stop);
-        duart_out(R_DUART_CLK_SEL, clk_divisor);
-
-        duart_out(R_DUART_CMD, M_DUART_RX_EN | M_DUART_TX_EN);  /* enable rx and tx */
-}
-
-void
-putDebugChar(unsigned char c)
-{
-        if (!duart_initialized) {
-                duart_initialized = 1;
-                duart_init(CLK_DIVISOR, DATA_BITS, PARITY, STOP_BITS);
-        }
-        while ((duart_in(R_DUART_STATUS) & M_DUART_TX_RDY) == 0);
-        duart_out(R_DUART_TX_HOLD, c);
-}
-
-unsigned char
-getDebugChar(void)
-{
-        if (!duart_initialized) {
-                duart_initialized = 1;
-                duart_init(CLK_DIVISOR, DATA_BITS, PARITY, STOP_BITS);
-        }
-        while ((duart_in(R_DUART_STATUS) & M_DUART_RX_RDY) == 0) ;
-        return duart_in(R_DUART_RX_HOLD);
-}
-