aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/txx9/jmr3927
diff options
context:
space:
mode:
authorJason Wessel <jason.wessel@windriver.com>2008-07-29 16:58:52 -0400
committerRalf Baechle <ralf@linux-mips.org>2008-07-30 16:54:42 -0400
commit8d60a903d986ffa26c41f0092320a3b9da20bfaf (patch)
treef05a8ae48e275d55fcfd3acfb7b3b1b601da56ea /arch/mips/txx9/jmr3927
parent8f8da9adebdf04bfb3b812a7de8706fbf179fd2c (diff)
[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>
Diffstat (limited to 'arch/mips/txx9/jmr3927')
-rw-r--r--arch/mips/txx9/jmr3927/Makefile1
-rw-r--r--arch/mips/txx9/jmr3927/kgdb_io.c105
2 files changed, 0 insertions, 106 deletions
diff --git a/arch/mips/txx9/jmr3927/Makefile b/arch/mips/txx9/jmr3927/Makefile
index ba292c945669..20d61ac543e5 100644
--- a/arch/mips/txx9/jmr3927/Makefile
+++ b/arch/mips/txx9/jmr3927/Makefile
@@ -3,6 +3,5 @@
3# 3#
4 4
5obj-y += prom.o irq.o setup.o 5obj-y += prom.o irq.o setup.o
6obj-$(CONFIG_KGDB) += kgdb_io.o
7 6
8EXTRA_CFLAGS += -Werror 7EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/txx9/jmr3927/kgdb_io.c b/arch/mips/txx9/jmr3927/kgdb_io.c
deleted file mode 100644
index 5bd757e56f79..000000000000
--- a/arch/mips/txx9/jmr3927/kgdb_io.c
+++ /dev/null
@@ -1,105 +0,0 @@
1/*
2 * BRIEF MODULE DESCRIPTION
3 * Low level uart routines to directly access a TX[34]927 SIO.
4 *
5 * Copyright 2001 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc.
7 * ahennessy@mvista.com or source@mvista.com
8 *
9 * Based on arch/mips/ddb5xxx/ddb5477/kgdb_io.c
10 *
11 * Copyright (C) 2000-2001 Toshiba Corporation
12 *
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version.
17 *
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
21 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * You should have received a copy of the GNU General Public License along
30 * with this program; if not, write to the Free Software Foundation, Inc.,
31 * 675 Mass Ave, Cambridge, MA 02139, USA.
32 */
33
34#include <asm/txx9/jmr3927.h>
35
36#define TIMEOUT 0xffffff
37
38static int remoteDebugInitialized = 0;
39static void debugInit(int baud);
40
41int putDebugChar(unsigned char c)
42{
43 int i = 0;
44
45 if (!remoteDebugInitialized) {
46 remoteDebugInitialized = 1;
47 debugInit(38400);
48 }
49
50 do {
51 slow_down();
52 i++;
53 if (i>TIMEOUT) {
54 break;
55 }
56 } while (!(tx3927_sioptr(0)->cisr & TXx927_SICISR_TXALS));
57 tx3927_sioptr(0)->tfifo = c;
58
59 return 1;
60}
61
62unsigned char getDebugChar(void)
63{
64 int i = 0;
65 int dicr;
66 char c;
67
68 if (!remoteDebugInitialized) {
69 remoteDebugInitialized = 1;
70 debugInit(38400);
71 }
72
73 /* diable RX int. */
74 dicr = tx3927_sioptr(0)->dicr;
75 tx3927_sioptr(0)->dicr = 0;
76
77 do {
78 slow_down();
79 i++;
80 if (i>TIMEOUT) {
81 break;
82 }
83 } while (tx3927_sioptr(0)->disr & TXx927_SIDISR_UVALID)
84 ;
85 c = tx3927_sioptr(0)->rfifo;
86
87 /* clear RX int. status */
88 tx3927_sioptr(0)->disr &= ~TXx927_SIDISR_RDIS;
89 /* enable RX int. */
90 tx3927_sioptr(0)->dicr = dicr;
91
92 return c;
93}
94
95static void debugInit(int baud)
96{
97 tx3927_sioptr(0)->lcr = 0x020;
98 tx3927_sioptr(0)->dicr = 0;
99 tx3927_sioptr(0)->disr = 0x4100;
100 tx3927_sioptr(0)->cisr = 0x014;
101 tx3927_sioptr(0)->fcr = 0;
102 tx3927_sioptr(0)->flcr = 0x02;
103 tx3927_sioptr(0)->bgr = ((JMR3927_BASE_BAUD + baud / 2) / baud) |
104 TXx927_SIBGR_BCLK_T0;
105}