diff options
Diffstat (limited to 'arch/mips/mti-malta/malta-kgdb.c')
| -rw-r--r-- | arch/mips/mti-malta/malta-kgdb.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/arch/mips/mti-malta/malta-kgdb.c b/arch/mips/mti-malta/malta-kgdb.c deleted file mode 100644 index 6a1854de457..00000000000 --- a/arch/mips/mti-malta/malta-kgdb.c +++ /dev/null | |||
| @@ -1,133 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Carsten Langgaard, carstenl@mips.com | ||
| 3 | * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. | ||
| 4 | * | ||
| 5 | * This program is free software; you can distribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License (Version 2) as | ||
| 7 | * published by the Free Software Foundation. | ||
| 8 | * | ||
| 9 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 12 | * for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU General Public License along | ||
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
| 16 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | ||
| 17 | * | ||
| 18 | * This is the interface to the remote debugger stub. | ||
| 19 | */ | ||
| 20 | #include <linux/types.h> | ||
| 21 | #include <linux/serial.h> | ||
| 22 | #include <linux/serialP.h> | ||
| 23 | #include <linux/serial_reg.h> | ||
| 24 | |||
| 25 | #include <asm/serial.h> | ||
| 26 | #include <asm/io.h> | ||
| 27 | |||
| 28 | static struct serial_state rs_table[] = { | ||
| 29 | SERIAL_PORT_DFNS /* Defined in serial.h */ | ||
| 30 | }; | ||
| 31 | |||
| 32 | static struct async_struct kdb_port_info = {0}; | ||
| 33 | |||
| 34 | int (*generic_putDebugChar)(char); | ||
| 35 | char (*generic_getDebugChar)(void); | ||
| 36 | |||
| 37 | static __inline__ unsigned int serial_in(struct async_struct *info, int offset) | ||
| 38 | { | ||
| 39 | return inb(info->port + offset); | ||
| 40 | } | ||
| 41 | |||
| 42 | static __inline__ void serial_out(struct async_struct *info, int offset, | ||
| 43 | int value) | ||
| 44 | { | ||
| 45 | outb(value, info->port+offset); | ||
| 46 | } | ||
| 47 | |||
| 48 | int rs_kgdb_hook(int tty_no, int speed) { | ||
| 49 | int t; | ||
| 50 | struct serial_state *ser = &rs_table[tty_no]; | ||
| 51 | |||
| 52 | kdb_port_info.state = ser; | ||
| 53 | kdb_port_info.magic = SERIAL_MAGIC; | ||
| 54 | kdb_port_info.port = ser->port; | ||
| 55 | kdb_port_info.flags = ser->flags; | ||
| 56 | |||
| 57 | /* | ||
| 58 | * Clear all interrupts | ||
| 59 | */ | ||
| 60 | serial_in(&kdb_port_info, UART_LSR); | ||
| 61 | serial_in(&kdb_port_info, UART_RX); | ||
| 62 | serial_in(&kdb_port_info, UART_IIR); | ||
| 63 | serial_in(&kdb_port_info, UART_MSR); | ||
| 64 | |||
| 65 | /* | ||
| 66 | * Now, initialize the UART | ||
| 67 | */ | ||
| 68 | serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8); /* reset DLAB */ | ||
| 69 | if (kdb_port_info.flags & ASYNC_FOURPORT) { | ||
| 70 | kdb_port_info.MCR = UART_MCR_DTR | UART_MCR_RTS; | ||
| 71 | t = UART_MCR_DTR | UART_MCR_OUT1; | ||
| 72 | } else { | ||
| 73 | kdb_port_info.MCR | ||
| 74 | = UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2; | ||
| 75 | t = UART_MCR_DTR | UART_MCR_RTS; | ||
| 76 | } | ||
| 77 | |||
| 78 | kdb_port_info.MCR = t; /* no interrupts, please */ | ||
| 79 | serial_out(&kdb_port_info, UART_MCR, kdb_port_info.MCR); | ||
| 80 | |||
| 81 | /* | ||
| 82 | * and set the speed of the serial port | ||
| 83 | */ | ||
| 84 | if (speed == 0) | ||
| 85 | speed = 9600; | ||
| 86 | |||
| 87 | t = kdb_port_info.state->baud_base / speed; | ||
| 88 | /* set DLAB */ | ||
| 89 | serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8 | UART_LCR_DLAB); | ||
| 90 | serial_out(&kdb_port_info, UART_DLL, t & 0xff);/* LS of divisor */ | ||
| 91 | serial_out(&kdb_port_info, UART_DLM, t >> 8); /* MS of divisor */ | ||
| 92 | /* reset DLAB */ | ||
| 93 | serial_out(&kdb_port_info, UART_LCR, UART_LCR_WLEN8); | ||
| 94 | |||
| 95 | return speed; | ||
| 96 | } | ||
| 97 | |||
| 98 | int putDebugChar(char c) | ||
| 99 | { | ||
| 100 | return generic_putDebugChar(c); | ||
| 101 | } | ||
| 102 | |||
| 103 | char getDebugChar(void) | ||
| 104 | { | ||
| 105 | return generic_getDebugChar(); | ||
| 106 | } | ||
| 107 | |||
| 108 | int rs_putDebugChar(char c) | ||
| 109 | { | ||
| 110 | |||
| 111 | if (!kdb_port_info.state) { /* need to init device first */ | ||
| 112 | return 0; | ||
| 113 | } | ||
| 114 | |||
| 115 | while ((serial_in(&kdb_port_info, UART_LSR) & UART_LSR_THRE) == 0) | ||
| 116 | ; | ||
| 117 | |||
| 118 | serial_out(&kdb_port_info, UART_TX, c); | ||
| 119 | |||
| 120 | return 1; | ||
| 121 | } | ||
| 122 | |||
| 123 | char rs_getDebugChar(void) | ||
| 124 | { | ||
| 125 | if (!kdb_port_info.state) { /* need to init device first */ | ||
| 126 | return 0; | ||
| 127 | } | ||
| 128 | |||
| 129 | while (!(serial_in(&kdb_port_info, UART_LSR) & 1)) | ||
| 130 | ; | ||
| 131 | |||
| 132 | return serial_in(&kdb_port_info, UART_RX); | ||
| 133 | } | ||
