diff options
Diffstat (limited to 'arch/mips/sibyte/swarm/dbg_io.c')
| -rw-r--r-- | arch/mips/sibyte/swarm/dbg_io.c | 76 |
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 b97ae30..0000000 --- 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); -} - |