diff options
Diffstat (limited to 'arch/mips/mips-boards/atlas/atlas_gdb.c')
-rw-r--r-- | arch/mips/mips-boards/atlas/atlas_gdb.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/arch/mips/mips-boards/atlas/atlas_gdb.c b/arch/mips/mips-boards/atlas/atlas_gdb.c deleted file mode 100644 index 00c98cff62dc..000000000000 --- a/arch/mips/mips-boards/atlas/atlas_gdb.c +++ /dev/null | |||
@@ -1,97 +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 <asm/io.h> | ||
21 | #include <asm/mips-boards/atlas.h> | ||
22 | #include <asm/mips-boards/saa9730_uart.h> | ||
23 | |||
24 | #define INB(a) inb((unsigned long)a) | ||
25 | #define OUTB(x, a) outb(x, (unsigned long)a) | ||
26 | |||
27 | /* | ||
28 | * This is the interface to the remote debugger stub | ||
29 | * if the Philips part is used for the debug port, | ||
30 | * called from the platform setup code. | ||
31 | */ | ||
32 | void *saa9730_base = (void *)ATLAS_SAA9730_REG; | ||
33 | |||
34 | static int saa9730_kgdb_active = 0; | ||
35 | |||
36 | #define SAA9730_BAUDCLOCK(baud) (((ATLAS_SAA9730_BAUDCLOCK/(baud))/16)-1) | ||
37 | |||
38 | int saa9730_kgdb_hook(int speed) | ||
39 | { | ||
40 | int baudclock; | ||
41 | t_uart_saa9730_regmap *kgdb_uart = (t_uart_saa9730_regmap *)(saa9730_base + SAA9730_UART_REGS_ADDR); | ||
42 | |||
43 | /* | ||
44 | * Clear all interrupts | ||
45 | */ | ||
46 | (void) INB(&kgdb_uart->Lsr); | ||
47 | (void) INB(&kgdb_uart->Msr); | ||
48 | (void) INB(&kgdb_uart->Thr_Rbr); | ||
49 | (void) INB(&kgdb_uart->Iir_Fcr); | ||
50 | |||
51 | /* | ||
52 | * Now, initialize the UART | ||
53 | */ | ||
54 | /* 8 data bits, one stop bit, no parity */ | ||
55 | OUTB(SAA9730_LCR_DATA8, &kgdb_uart->Lcr); | ||
56 | |||
57 | baudclock = SAA9730_BAUDCLOCK(speed); | ||
58 | |||
59 | OUTB((baudclock >> 16) & 0xff, &kgdb_uart->BaudDivMsb); | ||
60 | OUTB( baudclock & 0xff, &kgdb_uart->BaudDivLsb); | ||
61 | |||
62 | /* Set RTS/DTR active */ | ||
63 | OUTB(SAA9730_MCR_DTR | SAA9730_MCR_RTS, &kgdb_uart->Mcr); | ||
64 | saa9730_kgdb_active = 1; | ||
65 | |||
66 | return speed; | ||
67 | } | ||
68 | |||
69 | int saa9730_putDebugChar(char c) | ||
70 | { | ||
71 | t_uart_saa9730_regmap *kgdb_uart = (t_uart_saa9730_regmap *)(saa9730_base + SAA9730_UART_REGS_ADDR); | ||
72 | |||
73 | if (!saa9730_kgdb_active) { /* need to init device first */ | ||
74 | return 0; | ||
75 | } | ||
76 | |||
77 | while (!(INB(&kgdb_uart->Lsr) & SAA9730_LSR_THRE)) | ||
78 | ; | ||
79 | OUTB(c, &kgdb_uart->Thr_Rbr); | ||
80 | |||
81 | return 1; | ||
82 | } | ||
83 | |||
84 | char saa9730_getDebugChar(void) | ||
85 | { | ||
86 | t_uart_saa9730_regmap *kgdb_uart = (t_uart_saa9730_regmap *)(saa9730_base + SAA9730_UART_REGS_ADDR); | ||
87 | char c; | ||
88 | |||
89 | if (!saa9730_kgdb_active) { /* need to init device first */ | ||
90 | return 0; | ||
91 | } | ||
92 | while (!(INB(&kgdb_uart->Lsr) & SAA9730_LSR_DR)) | ||
93 | ; | ||
94 | |||
95 | c = INB(&kgdb_uart->Thr_Rbr); | ||
96 | return(c); | ||
97 | } | ||