diff options
author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-22 13:07:28 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-22 13:07:28 -0400 |
commit | ff40c6d3d1437ecdf295b8e39adcb06c3d6021ef (patch) | |
tree | 3666d029b4bd4df2909dbefd9c7a09e6042b7d32 /arch/ppc/syslib/ppc4xx_kgdb.c | |
parent | 8bf62ecee58360749c5f0e68bc97d5e02a6816b1 (diff) | |
parent | 2a5a68b840cbab31baab2d9b2e1e6de3b289ae1e (diff) |
Merge upstream kernel changes into 'C/H/S support' branch of libata.
Diffstat (limited to 'arch/ppc/syslib/ppc4xx_kgdb.c')
-rw-r--r-- | arch/ppc/syslib/ppc4xx_kgdb.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/arch/ppc/syslib/ppc4xx_kgdb.c b/arch/ppc/syslib/ppc4xx_kgdb.c deleted file mode 100644 index fe8668bf8137..000000000000 --- a/arch/ppc/syslib/ppc4xx_kgdb.c +++ /dev/null | |||
@@ -1,124 +0,0 @@ | |||
1 | #include <linux/config.h> | ||
2 | #include <linux/types.h> | ||
3 | #include <asm/ibm4xx.h> | ||
4 | #include <linux/kernel.h> | ||
5 | |||
6 | |||
7 | |||
8 | #define LSR_DR 0x01 /* Data ready */ | ||
9 | #define LSR_OE 0x02 /* Overrun */ | ||
10 | #define LSR_PE 0x04 /* Parity error */ | ||
11 | #define LSR_FE 0x08 /* Framing error */ | ||
12 | #define LSR_BI 0x10 /* Break */ | ||
13 | #define LSR_THRE 0x20 /* Xmit holding register empty */ | ||
14 | #define LSR_TEMT 0x40 /* Xmitter empty */ | ||
15 | #define LSR_ERR 0x80 /* Error */ | ||
16 | |||
17 | #include <platforms/4xx/ibm_ocp.h> | ||
18 | |||
19 | extern struct NS16550* COM_PORTS[]; | ||
20 | #ifndef NULL | ||
21 | #define NULL 0x00 | ||
22 | #endif | ||
23 | |||
24 | static volatile struct NS16550 *kgdb_debugport = NULL; | ||
25 | |||
26 | volatile struct NS16550 * | ||
27 | NS16550_init(int chan) | ||
28 | { | ||
29 | volatile struct NS16550 *com_port; | ||
30 | int quot; | ||
31 | #ifdef BASE_BAUD | ||
32 | quot = BASE_BAUD / 9600; | ||
33 | #else | ||
34 | quot = 0x000c; /* 0xc = 9600 baud (on a pc) */ | ||
35 | #endif | ||
36 | |||
37 | com_port = (struct NS16550 *) COM_PORTS[chan]; | ||
38 | |||
39 | com_port->lcr = 0x00; | ||
40 | com_port->ier = 0xFF; | ||
41 | com_port->ier = 0x00; | ||
42 | com_port->lcr = com_port->lcr | 0x80; /* Access baud rate */ | ||
43 | com_port->dll = ( quot & 0x00ff ); /* 0xc = 9600 baud */ | ||
44 | com_port->dlm = ( quot & 0xff00 ) >> 8; | ||
45 | com_port->lcr = 0x03; /* 8 data, 1 stop, no parity */ | ||
46 | com_port->mcr = 0x00; /* RTS/DTR */ | ||
47 | com_port->fcr = 0x07; /* Clear & enable FIFOs */ | ||
48 | |||
49 | return( com_port ); | ||
50 | } | ||
51 | |||
52 | |||
53 | void | ||
54 | NS16550_putc(volatile struct NS16550 *com_port, unsigned char c) | ||
55 | { | ||
56 | while ((com_port->lsr & LSR_THRE) == 0) | ||
57 | ; | ||
58 | com_port->thr = c; | ||
59 | return; | ||
60 | } | ||
61 | |||
62 | unsigned char | ||
63 | NS16550_getc(volatile struct NS16550 *com_port) | ||
64 | { | ||
65 | while ((com_port->lsr & LSR_DR) == 0) | ||
66 | ; | ||
67 | return (com_port->rbr); | ||
68 | } | ||
69 | |||
70 | unsigned char | ||
71 | NS16550_tstc(volatile struct NS16550 *com_port) | ||
72 | { | ||
73 | return ((com_port->lsr & LSR_DR) != 0); | ||
74 | } | ||
75 | |||
76 | |||
77 | #if defined(CONFIG_KGDB_TTYS0) | ||
78 | #define KGDB_PORT 0 | ||
79 | #elif defined(CONFIG_KGDB_TTYS1) | ||
80 | #define KGDB_PORT 1 | ||
81 | #elif defined(CONFIG_KGDB_TTYS2) | ||
82 | #define KGDB_PORT 2 | ||
83 | #elif defined(CONFIG_KGDB_TTYS3) | ||
84 | #define KGDB_PORT 3 | ||
85 | #else | ||
86 | #error "invalid kgdb_tty port" | ||
87 | #endif | ||
88 | |||
89 | void putDebugChar( unsigned char c ) | ||
90 | { | ||
91 | if ( kgdb_debugport == NULL ) | ||
92 | kgdb_debugport = NS16550_init(KGDB_PORT); | ||
93 | NS16550_putc( kgdb_debugport, c ); | ||
94 | } | ||
95 | |||
96 | int getDebugChar( void ) | ||
97 | { | ||
98 | if (kgdb_debugport == NULL) | ||
99 | kgdb_debugport = NS16550_init(KGDB_PORT); | ||
100 | |||
101 | return(NS16550_getc(kgdb_debugport)); | ||
102 | } | ||
103 | |||
104 | void kgdb_interruptible(int enable) | ||
105 | { | ||
106 | return; | ||
107 | } | ||
108 | |||
109 | void putDebugString(char* str) | ||
110 | { | ||
111 | while (*str != '\0') { | ||
112 | putDebugChar(*str); | ||
113 | str++; | ||
114 | } | ||
115 | putDebugChar('\r'); | ||
116 | return; | ||
117 | } | ||
118 | |||
119 | void | ||
120 | kgdb_map_scc(void) | ||
121 | { | ||
122 | printk("kgdb init \n"); | ||
123 | kgdb_debugport = NS16550_init(KGDB_PORT); | ||
124 | } | ||