aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/ite-boards/generic/puts.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/ite-boards/generic/puts.c')
-rw-r--r--arch/mips/ite-boards/generic/puts.c139
1 files changed, 0 insertions, 139 deletions
diff --git a/arch/mips/ite-boards/generic/puts.c b/arch/mips/ite-boards/generic/puts.c
deleted file mode 100644
index 20b02df6b414..000000000000
--- a/arch/mips/ite-boards/generic/puts.c
+++ /dev/null
@@ -1,139 +0,0 @@
1/*
2 *
3 * BRIEF MODULE DESCRIPTION
4 * Low level uart routines to directly access a 16550 uart.
5 *
6 * Copyright 2000,2001 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc.
8 * ppopov@mvista.com or source@mvista.com
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
16 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
18 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
21 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * You should have received a copy of the GNU General Public License along
27 * with this program; if not, write to the Free Software Foundation, Inc.,
28 * 675 Mass Ave, Cambridge, MA 02139, USA.
29 */
30
31#include <linux/types.h>
32
33#define SERIAL_BASE 0xB4011800 /* it8172 */
34#define SER_CMD 5
35#define SER_DATA 0x00
36#define TX_BUSY 0x20
37
38#define TIMEOUT 0xffff
39#undef SLOW_DOWN
40
41static const char digits[16] = "0123456789abcdef";
42static volatile unsigned char *const com1 = (unsigned char *) SERIAL_BASE;
43
44
45#ifdef SLOW_DOWN
46static inline void slow_down()
47{
48 int k;
49 for (k = 0; k < 10000; k++);
50}
51#else
52#define slow_down()
53#endif
54
55void putch(const unsigned char c)
56{
57 unsigned char ch;
58 int i = 0;
59
60 do {
61 ch = com1[SER_CMD];
62 slow_down();
63 i++;
64 if (i > TIMEOUT) {
65 break;
66 }
67 } while (0 == (ch & TX_BUSY));
68 com1[SER_DATA] = c;
69}
70
71void puts(unsigned char *cp)
72{
73 unsigned char ch;
74 int i = 0;
75
76 while (*cp) {
77 do {
78 ch = com1[SER_CMD];
79 slow_down();
80 i++;
81 if (i > TIMEOUT) {
82 break;
83 }
84 } while (0 == (ch & TX_BUSY));
85 com1[SER_DATA] = *cp++;
86 }
87 putch('\r');
88 putch('\n');
89}
90
91void fputs(unsigned char *cp)
92{
93 unsigned char ch;
94 int i = 0;
95
96 while (*cp) {
97
98 do {
99 ch = com1[SER_CMD];
100 slow_down();
101 i++;
102 if (i > TIMEOUT) {
103 break;
104 }
105 } while (0 == (ch & TX_BUSY));
106 com1[SER_DATA] = *cp++;
107 }
108}
109
110
111void put64(uint64_t ul)
112{
113 int cnt;
114 unsigned ch;
115
116 cnt = 16; /* 16 nibbles in a 64 bit long */
117 putch('0');
118 putch('x');
119 do {
120 cnt--;
121 ch = (unsigned char) (ul >> cnt * 4) & 0x0F;
122 putch(digits[ch]);
123 } while (cnt > 0);
124}
125
126void put32(unsigned u)
127{
128 int cnt;
129 unsigned ch;
130
131 cnt = 8; /* 8 nibbles in a 32 bit long */
132 putch('0');
133 putch('x');
134 do {
135 cnt--;
136 ch = (unsigned char) (u >> cnt * 4) & 0x0F;
137 putch(digits[ch]);
138 } while (cnt > 0);
139}