diff options
Diffstat (limited to 'arch/mips/au1000/common/prom.c')
-rw-r--r-- | arch/mips/au1000/common/prom.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c deleted file mode 100644 index 18b310b475ca..000000000000 --- a/arch/mips/au1000/common/prom.c +++ /dev/null | |||
@@ -1,146 +0,0 @@ | |||
1 | /* | ||
2 | * | ||
3 | * BRIEF MODULE DESCRIPTION | ||
4 | * PROM library initialisation code, supports YAMON and U-Boot. | ||
5 | * | ||
6 | * Copyright 2000-2001, 2006, 2008 MontaVista Software Inc. | ||
7 | * Author: MontaVista Software, Inc. <source@mvista.com> | ||
8 | * | ||
9 | * This file was derived from Carsten Langgaard's | ||
10 | * arch/mips/mips-boards/xx files. | ||
11 | * | ||
12 | * Carsten Langgaard, carstenl@mips.com | ||
13 | * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. | ||
14 | * | ||
15 | * This program is free software; you can redistribute it and/or modify it | ||
16 | * under the terms of the GNU General Public License as published by the | ||
17 | * Free Software Foundation; either version 2 of the License, or (at your | ||
18 | * option) any later version. | ||
19 | * | ||
20 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
22 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
23 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
26 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
27 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
30 | * | ||
31 | * You should have received a copy of the GNU General Public License along | ||
32 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
33 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
34 | */ | ||
35 | |||
36 | #include <linux/module.h> | ||
37 | #include <linux/init.h> | ||
38 | #include <linux/string.h> | ||
39 | |||
40 | #include <asm/bootinfo.h> | ||
41 | |||
42 | int prom_argc; | ||
43 | char **prom_argv; | ||
44 | char **prom_envp; | ||
45 | |||
46 | char * __init_or_module prom_getcmdline(void) | ||
47 | { | ||
48 | return &(arcs_cmdline[0]); | ||
49 | } | ||
50 | |||
51 | void prom_init_cmdline(void) | ||
52 | { | ||
53 | char *cp; | ||
54 | int actr; | ||
55 | |||
56 | actr = 1; /* Always ignore argv[0] */ | ||
57 | |||
58 | cp = &(arcs_cmdline[0]); | ||
59 | while (actr < prom_argc) { | ||
60 | strcpy(cp, prom_argv[actr]); | ||
61 | cp += strlen(prom_argv[actr]); | ||
62 | *cp++ = ' '; | ||
63 | actr++; | ||
64 | } | ||
65 | if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ | ||
66 | --cp; | ||
67 | if (prom_argc > 1) | ||
68 | *cp = '\0'; | ||
69 | } | ||
70 | |||
71 | char *prom_getenv(char *envname) | ||
72 | { | ||
73 | /* | ||
74 | * Return a pointer to the given environment variable. | ||
75 | * YAMON uses "name", "value" pairs, while U-Boot uses "name=value". | ||
76 | */ | ||
77 | |||
78 | char **env = prom_envp; | ||
79 | int i = strlen(envname); | ||
80 | int yamon = (*env && strchr(*env, '=') == NULL); | ||
81 | |||
82 | while (*env) { | ||
83 | if (yamon) { | ||
84 | if (strcmp(envname, *env++) == 0) | ||
85 | return *env; | ||
86 | } else if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=') | ||
87 | return *env + i + 1; | ||
88 | env++; | ||
89 | } | ||
90 | |||
91 | return NULL; | ||
92 | } | ||
93 | |||
94 | static inline unsigned char str2hexnum(unsigned char c) | ||
95 | { | ||
96 | if (c >= '0' && c <= '9') | ||
97 | return c - '0'; | ||
98 | if (c >= 'a' && c <= 'f') | ||
99 | return c - 'a' + 10; | ||
100 | if (c >= 'A' && c <= 'F') | ||
101 | return c - 'A' + 10; | ||
102 | |||
103 | return 0; /* foo */ | ||
104 | } | ||
105 | |||
106 | static inline void str2eaddr(unsigned char *ea, unsigned char *str) | ||
107 | { | ||
108 | int i; | ||
109 | |||
110 | for (i = 0; i < 6; i++) { | ||
111 | unsigned char num; | ||
112 | |||
113 | if ((*str == '.') || (*str == ':')) | ||
114 | str++; | ||
115 | num = str2hexnum(*str++) << 4; | ||
116 | num |= str2hexnum(*str++); | ||
117 | ea[i] = num; | ||
118 | } | ||
119 | } | ||
120 | |||
121 | int prom_get_ethernet_addr(char *ethernet_addr) | ||
122 | { | ||
123 | char *ethaddr_str; | ||
124 | char *argptr; | ||
125 | |||
126 | /* Check the environment variables first */ | ||
127 | ethaddr_str = prom_getenv("ethaddr"); | ||
128 | if (!ethaddr_str) { | ||
129 | /* Check command line */ | ||
130 | argptr = prom_getcmdline(); | ||
131 | ethaddr_str = strstr(argptr, "ethaddr="); | ||
132 | if (!ethaddr_str) | ||
133 | return -1; | ||
134 | |||
135 | ethaddr_str += strlen("ethaddr="); | ||
136 | } | ||
137 | |||
138 | str2eaddr(ethernet_addr, ethaddr_str); | ||
139 | |||
140 | return 0; | ||
141 | } | ||
142 | EXPORT_SYMBOL(prom_get_ethernet_addr); | ||
143 | |||
144 | void __init prom_free_prom_memory(void) | ||
145 | { | ||
146 | } | ||