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-rw-r--r--arch/mips/nxp/pnx8550/common/Makefile1
-rw-r--r--arch/mips/nxp/pnx8550/common/gdb_hook.c109
-rw-r--r--arch/mips/nxp/pnx8550/common/int.c1
-rw-r--r--arch/mips/nxp/pnx8550/common/proc.c1
-rw-r--r--arch/mips/nxp/pnx8550/common/setup.c12
5 files changed, 0 insertions, 124 deletions
diff --git a/arch/mips/nxp/pnx8550/common/Makefile b/arch/mips/nxp/pnx8550/common/Makefile
index 31cc1a5cec3b..dd9e7b1f7fd3 100644
--- a/arch/mips/nxp/pnx8550/common/Makefile
+++ b/arch/mips/nxp/pnx8550/common/Makefile
@@ -24,6 +24,5 @@
24 24
25obj-y := setup.o prom.o int.o reset.o time.o proc.o platform.o 25obj-y := setup.o prom.o int.o reset.o time.o proc.o platform.o
26obj-$(CONFIG_PCI) += pci.o 26obj-$(CONFIG_PCI) += pci.o
27obj-$(CONFIG_KGDB) += gdb_hook.o
28 27
29EXTRA_CFLAGS += -Werror 28EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/nxp/pnx8550/common/gdb_hook.c b/arch/mips/nxp/pnx8550/common/gdb_hook.c
deleted file mode 100644
index ad4624f6d9bc..000000000000
--- a/arch/mips/nxp/pnx8550/common/gdb_hook.c
+++ /dev/null
@@ -1,109 +0,0 @@
1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * ########################################################################
6 *
7 * This program is free software; you can distribute it and/or modify it
8 * under the terms of the GNU General Public License (Version 2) as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
19 *
20 * ########################################################################
21 *
22 * This is the interface to the remote debugger stub.
23 *
24 */
25#include <linux/types.h>
26#include <linux/serial.h>
27#include <linux/serialP.h>
28#include <linux/serial_reg.h>
29#include <linux/serial_ip3106.h>
30
31#include <asm/serial.h>
32#include <asm/io.h>
33
34#include <uart.h>
35
36static struct serial_state rs_table[IP3106_NR_PORTS] = {
37};
38static struct async_struct kdb_port_info = {0};
39
40void rs_kgdb_hook(int tty_no)
41{
42 struct serial_state *ser = &rs_table[tty_no];
43
44 kdb_port_info.state = ser;
45 kdb_port_info.magic = SERIAL_MAGIC;
46 kdb_port_info.port = tty_no;
47 kdb_port_info.flags = ser->flags;
48
49 /*
50 * Clear all interrupts
51 */
52 /* Clear all the transmitter FIFO counters (pointer and status) */
53 ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_TX_RST;
54 /* Clear all the receiver FIFO counters (pointer and status) */
55 ip3106_lcr(UART_BASE, tty_no) |= IP3106_UART_LCR_RX_RST;
56 /* Clear all interrupts */
57 ip3106_iclr(UART_BASE, tty_no) = IP3106_UART_INT_ALLRX |
58 IP3106_UART_INT_ALLTX;
59
60 /*
61 * Now, initialize the UART
62 */
63 ip3106_lcr(UART_BASE, tty_no) = IP3106_UART_LCR_8BIT;
64 ip3106_baud(UART_BASE, tty_no) = 5; // 38400 Baud
65}
66
67int putDebugChar(char c)
68{
69 /* Wait until FIFO not full */
70 while (((ip3106_fifo(UART_BASE, kdb_port_info.port) & IP3106_UART_FIFO_TXFIFO) >> 16) >= 16)
71 ;
72 /* Send one char */
73 ip3106_fifo(UART_BASE, kdb_port_info.port) = c;
74
75 return 1;
76}
77
78char getDebugChar(void)
79{
80 char ch;
81
82 /* Wait until there is a char in the FIFO */
83 while (!((ip3106_fifo(UART_BASE, kdb_port_info.port) &
84 IP3106_UART_FIFO_RXFIFO) >> 8))
85 ;
86 /* Read one char */
87 ch = ip3106_fifo(UART_BASE, kdb_port_info.port) &
88 IP3106_UART_FIFO_RBRTHR;
89 /* Advance the RX FIFO read pointer */
90 ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_RX_NEXT;
91 return (ch);
92}
93
94void rs_disable_debug_interrupts(void)
95{
96 ip3106_ien(UART_BASE, kdb_port_info.port) = 0; /* Disable all interrupts */
97}
98
99void rs_enable_debug_interrupts(void)
100{
101 /* Clear all the transmitter FIFO counters (pointer and status) */
102 ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_TX_RST;
103 /* Clear all the receiver FIFO counters (pointer and status) */
104 ip3106_lcr(UART_BASE, kdb_port_info.port) |= IP3106_UART_LCR_RX_RST;
105 /* Clear all interrupts */
106 ip3106_iclr(UART_BASE, kdb_port_info.port) = IP3106_UART_INT_ALLRX |
107 IP3106_UART_INT_ALLTX;
108 ip3106_ien(UART_BASE, kdb_port_info.port) = IP3106_UART_INT_ALLRX; /* Enable RX interrupts */
109}
diff --git a/arch/mips/nxp/pnx8550/common/int.c b/arch/mips/nxp/pnx8550/common/int.c
index aad03429a5e3..f080f114a1bf 100644
--- a/arch/mips/nxp/pnx8550/common/int.c
+++ b/arch/mips/nxp/pnx8550/common/int.c
@@ -34,7 +34,6 @@
34#include <linux/module.h> 34#include <linux/module.h>
35 35
36#include <asm/io.h> 36#include <asm/io.h>
37#include <asm/gdb-stub.h>
38#include <int.h> 37#include <int.h>
39#include <uart.h> 38#include <uart.h>
40 39
diff --git a/arch/mips/nxp/pnx8550/common/proc.c b/arch/mips/nxp/pnx8550/common/proc.c
index 18b125e3b65d..acf1fa889444 100644
--- a/arch/mips/nxp/pnx8550/common/proc.c
+++ b/arch/mips/nxp/pnx8550/common/proc.c
@@ -22,7 +22,6 @@
22#include <linux/random.h> 22#include <linux/random.h>
23 23
24#include <asm/io.h> 24#include <asm/io.h>
25#include <asm/gdb-stub.h>
26#include <int.h> 25#include <int.h>
27#include <uart.h> 26#include <uart.h>
28 27
diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c
index 92d764c97701..2aed50fef10f 100644
--- a/arch/mips/nxp/pnx8550/common/setup.c
+++ b/arch/mips/nxp/pnx8550/common/setup.c
@@ -47,7 +47,6 @@ extern void pnx8550_machine_halt(void);
47extern void pnx8550_machine_power_off(void); 47extern void pnx8550_machine_power_off(void);
48extern struct resource ioport_resource; 48extern struct resource ioport_resource;
49extern struct resource iomem_resource; 49extern struct resource iomem_resource;
50extern void rs_kgdb_hook(int tty_no);
51extern char *prom_getcmdline(void); 50extern char *prom_getcmdline(void);
52 51
53struct resource standard_io_resources[] = { 52struct resource standard_io_resources[] = {
@@ -142,16 +141,5 @@ void __init plat_mem_setup(void)
142 ip3106_baud(UART_BASE, pnx8550_console_port) = 5; 141 ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
143 } 142 }
144 143
145#ifdef CONFIG_KGDB
146 argptr = prom_getcmdline();
147 if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
148 int line;
149 argptr += strlen("kgdb=ttyS");
150 line = *argptr == '0' ? 0 : 1;
151 rs_kgdb_hook(line);
152 pr_info("KGDB: Using ttyS%i for session, "
153 "please connect your debugger\n", line ? 1 : 0);
154 }
155#endif
156 return; 144 return;
157} 145}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-18 19:42:24 -0500