diff options
Diffstat (limited to 'arch/sparc/prom/init_64.c')
-rw-r--r-- | arch/sparc/prom/init_64.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sparc/prom/init_64.c b/arch/sparc/prom/init_64.c new file mode 100644 index 000000000000..7b00f89490a4 --- /dev/null +++ b/arch/sparc/prom/init_64.c | |||
@@ -0,0 +1,57 @@ | |||
1 | /* | ||
2 | * init.c: Initialize internal variables used by the PROM | ||
3 | * library functions. | ||
4 | * | ||
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
6 | * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
7 | */ | ||
8 | |||
9 | #include <linux/kernel.h> | ||
10 | #include <linux/init.h> | ||
11 | #include <linux/string.h> | ||
12 | #include <linux/ctype.h> | ||
13 | |||
14 | #include <asm/openprom.h> | ||
15 | #include <asm/oplib.h> | ||
16 | |||
17 | /* OBP version string. */ | ||
18 | char prom_version[80]; | ||
19 | |||
20 | /* The root node of the prom device tree. */ | ||
21 | int prom_stdin, prom_stdout; | ||
22 | int prom_chosen_node; | ||
23 | |||
24 | /* You must call prom_init() before you attempt to use any of the | ||
25 | * routines in the prom library. It returns 0 on success, 1 on | ||
26 | * failure. It gets passed the pointer to the PROM vector. | ||
27 | */ | ||
28 | |||
29 | extern void prom_cif_init(void *, void *); | ||
30 | |||
31 | void __init prom_init(void *cif_handler, void *cif_stack) | ||
32 | { | ||
33 | int node; | ||
34 | |||
35 | prom_cif_init(cif_handler, cif_stack); | ||
36 | |||
37 | prom_chosen_node = prom_finddevice(prom_chosen_path); | ||
38 | if (!prom_chosen_node || prom_chosen_node == -1) | ||
39 | prom_halt(); | ||
40 | |||
41 | prom_stdin = prom_getint(prom_chosen_node, "stdin"); | ||
42 | prom_stdout = prom_getint(prom_chosen_node, "stdout"); | ||
43 | |||
44 | node = prom_finddevice("/openprom"); | ||
45 | if (!node || node == -1) | ||
46 | prom_halt(); | ||
47 | |||
48 | prom_getstring(node, "version", prom_version, sizeof(prom_version)); | ||
49 | |||
50 | prom_printf("\n"); | ||
51 | } | ||
52 | |||
53 | void __init prom_init_report(void) | ||
54 | { | ||
55 | printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version); | ||
56 | printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible); | ||
57 | } | ||