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1 | /* |
1 | /* |
2 | * Copyright (c) 2007 Michal Kebrt |
2 | * Copyright (c) 2007 Michal Kebrt |
3 | * Copyright (c) 2009 Vineeth Pillai |
3 | * Copyright (c) 2009 Vineeth Pillai |
4 | * All rights reserved. |
4 | * All rights reserved. |
5 | * |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
8 | * are met: |
9 | * |
9 | * |
10 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
15 | * - The name of the author may not be used to endorse or promote products |
15 | * - The name of the author may not be used to endorse or promote products |
16 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
17 | * |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
28 | */ |
29 | 29 | ||
30 | 30 | ||
31 | /** @addtogroup arm32boot |
31 | /** @addtogroup arm32boot |
32 | * @{ |
32 | * @{ |
33 | */ |
33 | */ |
34 | /** @file |
34 | /** @file |
35 | * @brief bootloader output logic |
35 | * @brief bootloader output logic |
36 | */ |
36 | */ |
37 | 37 | ||
38 | 38 | ||
39 | #include <printf.h> |
39 | #include <printf.h> |
40 | 40 | ||
41 | 41 | ||
42 | /** Address where characters to be printed are expected. */ |
42 | /** Address where characters to be printed are expected. */ |
43 | #ifdef MACHINE_testarm |
43 | #ifdef MACHINE_testarm |
44 | #define PUTC_ADDRESS 0x10000000 |
44 | #define PUTC_ADDRESS 0x10000000 |
45 | #endif |
45 | #endif |
46 | 46 | ||
47 | #ifdef MACHINE_integratorcp |
47 | #ifdef MACHINE_integratorcp |
48 | #define PUTC_ADDRESS 0x16000000 |
48 | #define PUTC_ADDRESS 0x16000000 |
49 | #endif |
49 | #endif |
50 | 50 | ||
51 | 51 | ||
52 | 52 | ||
53 | /** Prints a character to the console. |
53 | /** Prints a character to the console. |
54 | * |
54 | * |
55 | * @param ch Character to be printed. |
55 | * @param ch Character to be printed. |
56 | */ |
56 | */ |
57 | static void putc(char ch) |
57 | static void putc(char ch) |
58 | { |
58 | { |
59 | if (ch == '\n') |
59 | if (ch == '\n') |
60 | *((volatile char *) PUTC_ADDRESS) = '\r'; |
60 | *((volatile char *) PUTC_ADDRESS) = '\r'; |
61 | *((volatile char *) PUTC_ADDRESS) = ch; |
61 | *((volatile char *) PUTC_ADDRESS) = ch; |
62 | } |
62 | } |
63 | 63 | ||
64 | 64 | ||
65 | /** Prints a string to the console. |
65 | /** Prints a string to the console. |
66 | * |
66 | * |
67 | * @param str String to be printed. |
67 | * @param str String to be printed. |
68 | * @param len Number of characters to be printed. |
68 | * @param len Number of characters to be printed. |
69 | */ |
69 | */ |
70 | void write(const char *str, const int len) |
70 | void write(const char *str, const int len) |
71 | { |
71 | { |
72 | int i; |
72 | int i; |
73 | for (i = 0; i < len; ++i) { |
73 | for (i = 0; i < len; ++i) { |
74 | putc(str[i]); |
74 | putc(str[i]); |
75 | } |
75 | } |
76 | } |
76 | } |
77 | 77 | ||
78 | /** @} |
78 | /** @} |
79 | */ |
79 | */ |
80 | 80 | ||
81 | 81 |