diff options
author | Sam Ravnborg <sam@ravnborg.org> | 2008-11-30 01:15:38 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-12-04 12:17:16 -0500 |
commit | 708d4f09647106d549c646dc459c7ccf2c237cc8 (patch) | |
tree | 23657862535d88fcb71bc416c51c27cd480a93c4 /arch/sparc/prom/misc_32.c | |
parent | 5e53879008b9acefe9f43498fd36db7376e08739 (diff) |
sparc: prepare prom/ for unification
- rename files where sparc64 uses identical names to *_32.c
- refactor Makefile (but keep linking order)
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/prom/misc_32.c')
-rw-r--r-- | arch/sparc/prom/misc_32.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c new file mode 100644 index 000000000000..49b5057b9601 --- /dev/null +++ b/arch/sparc/prom/misc_32.c | |||
@@ -0,0 +1,131 @@ | |||
1 | /* | ||
2 | * misc.c: Miscellaneous prom functions that don't belong | ||
3 | * anywhere else. | ||
4 | * | ||
5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | ||
6 | */ | ||
7 | |||
8 | #include <linux/types.h> | ||
9 | #include <linux/kernel.h> | ||
10 | #include <linux/sched.h> | ||
11 | #include <asm/openprom.h> | ||
12 | #include <asm/oplib.h> | ||
13 | #include <asm/auxio.h> | ||
14 | #include <asm/system.h> | ||
15 | |||
16 | extern void restore_current(void); | ||
17 | |||
18 | DEFINE_SPINLOCK(prom_lock); | ||
19 | |||
20 | /* Reset and reboot the machine with the command 'bcommand'. */ | ||
21 | void | ||
22 | prom_reboot(char *bcommand) | ||
23 | { | ||
24 | unsigned long flags; | ||
25 | spin_lock_irqsave(&prom_lock, flags); | ||
26 | (*(romvec->pv_reboot))(bcommand); | ||
27 | /* Never get here. */ | ||
28 | restore_current(); | ||
29 | spin_unlock_irqrestore(&prom_lock, flags); | ||
30 | } | ||
31 | |||
32 | /* Forth evaluate the expression contained in 'fstring'. */ | ||
33 | void | ||
34 | prom_feval(char *fstring) | ||
35 | { | ||
36 | unsigned long flags; | ||
37 | if(!fstring || fstring[0] == 0) | ||
38 | return; | ||
39 | spin_lock_irqsave(&prom_lock, flags); | ||
40 | if(prom_vers == PROM_V0) | ||
41 | (*(romvec->pv_fortheval.v0_eval))(strlen(fstring), fstring); | ||
42 | else | ||
43 | (*(romvec->pv_fortheval.v2_eval))(fstring); | ||
44 | restore_current(); | ||
45 | spin_unlock_irqrestore(&prom_lock, flags); | ||
46 | } | ||
47 | |||
48 | /* Drop into the prom, with the chance to continue with the 'go' | ||
49 | * prom command. | ||
50 | */ | ||
51 | void | ||
52 | prom_cmdline(void) | ||
53 | { | ||
54 | extern void install_obp_ticker(void); | ||
55 | extern void install_linux_ticker(void); | ||
56 | unsigned long flags; | ||
57 | |||
58 | spin_lock_irqsave(&prom_lock, flags); | ||
59 | install_obp_ticker(); | ||
60 | (*(romvec->pv_abort))(); | ||
61 | restore_current(); | ||
62 | install_linux_ticker(); | ||
63 | spin_unlock_irqrestore(&prom_lock, flags); | ||
64 | #ifdef CONFIG_SUN_AUXIO | ||
65 | set_auxio(AUXIO_LED, 0); | ||
66 | #endif | ||
67 | } | ||
68 | |||
69 | /* Drop into the prom, but completely terminate the program. | ||
70 | * No chance of continuing. | ||
71 | */ | ||
72 | void | ||
73 | prom_halt(void) | ||
74 | { | ||
75 | unsigned long flags; | ||
76 | again: | ||
77 | spin_lock_irqsave(&prom_lock, flags); | ||
78 | (*(romvec->pv_halt))(); | ||
79 | /* Never get here. */ | ||
80 | restore_current(); | ||
81 | spin_unlock_irqrestore(&prom_lock, flags); | ||
82 | goto again; /* PROM is out to get me -DaveM */ | ||
83 | } | ||
84 | |||
85 | typedef void (*sfunc_t)(void); | ||
86 | |||
87 | /* Set prom sync handler to call function 'funcp'. */ | ||
88 | void | ||
89 | prom_setsync(sfunc_t funcp) | ||
90 | { | ||
91 | if(!funcp) return; | ||
92 | *romvec->pv_synchook = funcp; | ||
93 | } | ||
94 | |||
95 | /* Get the idprom and stuff it into buffer 'idbuf'. Returns the | ||
96 | * format type. 'num_bytes' is the number of bytes that your idbuf | ||
97 | * has space for. Returns 0xff on error. | ||
98 | */ | ||
99 | unsigned char | ||
100 | prom_get_idprom(char *idbuf, int num_bytes) | ||
101 | { | ||
102 | int len; | ||
103 | |||
104 | len = prom_getproplen(prom_root_node, "idprom"); | ||
105 | if((len>num_bytes) || (len==-1)) return 0xff; | ||
106 | if(!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) | ||
107 | return idbuf[0]; | ||
108 | |||
109 | return 0xff; | ||
110 | } | ||
111 | |||
112 | /* Get the major prom version number. */ | ||
113 | int | ||
114 | prom_version(void) | ||
115 | { | ||
116 | return romvec->pv_romvers; | ||
117 | } | ||
118 | |||
119 | /* Get the prom plugin-revision. */ | ||
120 | int | ||
121 | prom_getrev(void) | ||
122 | { | ||
123 | return prom_rev; | ||
124 | } | ||
125 | |||
126 | /* Get the prom firmware print revision. */ | ||
127 | int | ||
128 | prom_getprev(void) | ||
129 | { | ||
130 | return prom_prev; | ||
131 | } | ||