aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc64/prom
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc64/prom')
-rw-r--r--arch/sparc64/prom/Makefile9
-rw-r--r--arch/sparc64/prom/bootstr.c40
-rw-r--r--arch/sparc64/prom/cif.S48
-rw-r--r--arch/sparc64/prom/console.c74
-rw-r--r--arch/sparc64/prom/devops.c41
-rw-r--r--arch/sparc64/prom/init.c57
-rw-r--r--arch/sparc64/prom/misc.c335
-rw-r--r--arch/sparc64/prom/p1275.c151
-rw-r--r--arch/sparc64/prom/printf.c47
-rw-r--r--arch/sparc64/prom/tree.c299
10 files changed, 0 insertions, 1101 deletions
diff --git a/arch/sparc64/prom/Makefile b/arch/sparc64/prom/Makefile
deleted file mode 100644
index 8c94483ca54d..000000000000
--- a/arch/sparc64/prom/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
1# Makefile for the Sun Boot PROM interface library under
2# Linux.
3#
4
5EXTRA_AFLAGS := -ansi
6EXTRA_CFLAGS := -Werror
7
8lib-y := bootstr.o devops.o init.o misc.o \
9 tree.o console.o printf.o p1275.o cif.o
diff --git a/arch/sparc64/prom/bootstr.c b/arch/sparc64/prom/bootstr.c
deleted file mode 100644
index ab9ccc63b388..000000000000
--- a/arch/sparc64/prom/bootstr.c
+++ /dev/null
@@ -1,40 +0,0 @@
1/*
2 * bootstr.c: Boot string/argument acquisition from the PROM.
3 *
4 * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright(C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
6 */
7
8#include <linux/string.h>
9#include <linux/init.h>
10#include <asm/oplib.h>
11
12/* WARNING: The boot loader knows that these next three variables come one right
13 * after another in the .data section. Do not move this stuff into
14 * the .bss section or it will break things.
15 */
16
17#define BARG_LEN 256
18struct {
19 int bootstr_len;
20 int bootstr_valid;
21 char bootstr_buf[BARG_LEN];
22} bootstr_info = {
23 .bootstr_len = BARG_LEN,
24#ifdef CONFIG_CMDLINE
25 .bootstr_valid = 1,
26 .bootstr_buf = CONFIG_CMDLINE,
27#endif
28};
29
30char * __init
31prom_getbootargs(void)
32{
33 /* This check saves us from a panic when bootfd patches args. */
34 if (bootstr_info.bootstr_valid)
35 return bootstr_info.bootstr_buf;
36 prom_getstring(prom_chosen_node, "bootargs",
37 bootstr_info.bootstr_buf, BARG_LEN);
38 bootstr_info.bootstr_valid = 1;
39 return bootstr_info.bootstr_buf;
40}
diff --git a/arch/sparc64/prom/cif.S b/arch/sparc64/prom/cif.S
deleted file mode 100644
index 5f27ad779c0c..000000000000
--- a/arch/sparc64/prom/cif.S
+++ /dev/null
@@ -1,48 +0,0 @@
1/* cif.S: PROM entry/exit assembler trampolines.
2 *
3 * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
4 * Copyright (C) 2005, 2006 David S. Miller <davem@davemloft.net>
5 */
6
7#include <asm/pstate.h>
8#include <asm/cpudata.h>
9#include <asm/thread_info.h>
10
11 .text
12 .globl prom_cif_interface
13prom_cif_interface:
14 sethi %hi(p1275buf), %o0
15 or %o0, %lo(p1275buf), %o0
16 ldx [%o0 + 0x010], %o1 ! prom_cif_stack
17 save %o1, -192, %sp
18 ldx [%i0 + 0x008], %l2 ! prom_cif_handler
19 mov %g4, %l0
20 mov %g5, %l1
21 mov %g6, %l3
22 call %l2
23 add %i0, 0x018, %o0 ! prom_args
24 mov %l0, %g4
25 mov %l1, %g5
26 mov %l3, %g6
27 ret
28 restore
29
30 .globl prom_cif_callback
31prom_cif_callback:
32 sethi %hi(p1275buf), %o1
33 or %o1, %lo(p1275buf), %o1
34 save %sp, -192, %sp
35 TRAP_LOAD_THREAD_REG(%g6, %g1)
36 LOAD_PER_CPU_BASE(%g5, %g6, %g4, %g3, %o0)
37 ldx [%g6 + TI_TASK], %g4
38 call prom_world
39 mov 0, %o0
40 ldx [%i1 + 0x000], %l2
41 call %l2
42 mov %i0, %o0
43 mov %o0, %l1
44 call prom_world
45 mov 1, %o0
46 ret
47 restore %l1, 0, %o0
48
diff --git a/arch/sparc64/prom/console.c b/arch/sparc64/prom/console.c
deleted file mode 100644
index e1c3fc87484d..000000000000
--- a/arch/sparc64/prom/console.c
+++ /dev/null
@@ -1,74 +0,0 @@
1/* console.c: Routines that deal with sending and receiving IO
2 * to/from the current console device using the PROM.
3 *
4 * Copyright (C) 1995 David S. Miller (davem@davemloft.net)
5 * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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/system.h>
14#include <linux/string.h>
15
16extern int prom_stdin, prom_stdout;
17
18/* Non blocking get character from console input device, returns -1
19 * if no input was taken. This can be used for polling.
20 */
21inline int
22prom_nbgetchar(void)
23{
24 char inc;
25
26 if (p1275_cmd("read", P1275_ARG(1,P1275_ARG_OUT_BUF)|
27 P1275_INOUT(3,1),
28 prom_stdin, &inc, P1275_SIZE(1)) == 1)
29 return inc;
30 else
31 return -1;
32}
33
34/* Non blocking put character to console device, returns -1 if
35 * unsuccessful.
36 */
37inline int
38prom_nbputchar(char c)
39{
40 char outc;
41
42 outc = c;
43 if (p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)|
44 P1275_INOUT(3,1),
45 prom_stdout, &outc, P1275_SIZE(1)) == 1)
46 return 0;
47 else
48 return -1;
49}
50
51/* Blocking version of get character routine above. */
52char
53prom_getchar(void)
54{
55 int character;
56 while((character = prom_nbgetchar()) == -1) ;
57 return (char) character;
58}
59
60/* Blocking version of put character routine above. */
61void
62prom_putchar(char c)
63{
64 prom_nbputchar(c);
65 return;
66}
67
68void
69prom_puts(const char *s, int len)
70{
71 p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)|
72 P1275_INOUT(3,1),
73 prom_stdout, s, P1275_SIZE(len));
74}
diff --git a/arch/sparc64/prom/devops.c b/arch/sparc64/prom/devops.c
deleted file mode 100644
index 9dbd803e46e1..000000000000
--- a/arch/sparc64/prom/devops.c
+++ /dev/null
@@ -1,41 +0,0 @@
1/*
2 * devops.c: Device operations using the PROM.
3 *
4 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
6 */
7#include <linux/types.h>
8#include <linux/kernel.h>
9#include <linux/sched.h>
10
11#include <asm/openprom.h>
12#include <asm/oplib.h>
13
14/* Open the device described by the string 'dstr'. Returns the handle
15 * to that device used for subsequent operations on that device.
16 * Returns 0 on failure.
17 */
18int
19prom_devopen(const char *dstr)
20{
21 return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)|
22 P1275_INOUT(1,1),
23 dstr);
24}
25
26/* Close the device described by device handle 'dhandle'. */
27int
28prom_devclose(int dhandle)
29{
30 p1275_cmd ("close", P1275_INOUT(1,0), dhandle);
31 return 0;
32}
33
34/* Seek to specified location described by 'seekhi' and 'seeklo'
35 * for device 'dhandle'.
36 */
37void
38prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
39{
40 p1275_cmd ("seek", P1275_INOUT(3,1), dhandle, seekhi, seeklo);
41}
diff --git a/arch/sparc64/prom/init.c b/arch/sparc64/prom/init.c
deleted file mode 100644
index 7b00f89490a4..000000000000
--- a/arch/sparc64/prom/init.c
+++ /dev/null
@@ -1,57 +0,0 @@
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. */
18char prom_version[80];
19
20/* The root node of the prom device tree. */
21int prom_stdin, prom_stdout;
22int 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
29extern void prom_cif_init(void *, void *);
30
31void __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
53void __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}
diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c
deleted file mode 100644
index 9b0c0760901e..000000000000
--- a/arch/sparc64/prom/misc.c
+++ /dev/null
@@ -1,335 +0,0 @@
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 * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
7 */
8
9#include <linux/types.h>
10#include <linux/kernel.h>
11#include <linux/sched.h>
12#include <linux/interrupt.h>
13#include <linux/delay.h>
14#include <asm/openprom.h>
15#include <asm/oplib.h>
16#include <asm/system.h>
17#include <asm/ldc.h>
18
19int prom_service_exists(const char *service_name)
20{
21 int err = p1275_cmd("test", P1275_ARG(0, P1275_ARG_IN_STRING) |
22 P1275_INOUT(1, 1), service_name);
23
24 if (err)
25 return 0;
26 return 1;
27}
28
29void prom_sun4v_guest_soft_state(void)
30{
31 const char *svc = "SUNW,soft-state-supported";
32
33 if (!prom_service_exists(svc))
34 return;
35 p1275_cmd(svc, P1275_INOUT(0, 0));
36}
37
38/* Reset and reboot the machine with the command 'bcommand'. */
39void prom_reboot(const char *bcommand)
40{
41#ifdef CONFIG_SUN_LDOMS
42 if (ldom_domaining_enabled)
43 ldom_reboot(bcommand);
44#endif
45 p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) |
46 P1275_INOUT(1, 0), bcommand);
47}
48
49/* Forth evaluate the expression contained in 'fstring'. */
50void prom_feval(const char *fstring)
51{
52 if (!fstring || fstring[0] == 0)
53 return;
54 p1275_cmd("interpret", P1275_ARG(0, P1275_ARG_IN_STRING) |
55 P1275_INOUT(1, 1), fstring);
56}
57
58#ifdef CONFIG_SMP
59extern void smp_capture(void);
60extern void smp_release(void);
61#endif
62
63/* Drop into the prom, with the chance to continue with the 'go'
64 * prom command.
65 */
66void prom_cmdline(void)
67{
68 unsigned long flags;
69
70 local_irq_save(flags);
71
72#ifdef CONFIG_SMP
73 smp_capture();
74#endif
75
76 p1275_cmd("enter", P1275_INOUT(0, 0));
77
78#ifdef CONFIG_SMP
79 smp_release();
80#endif
81
82 local_irq_restore(flags);
83}
84
85/* Drop into the prom, but completely terminate the program.
86 * No chance of continuing.
87 */
88void prom_halt(void)
89{
90#ifdef CONFIG_SUN_LDOMS
91 if (ldom_domaining_enabled)
92 ldom_power_off();
93#endif
94again:
95 p1275_cmd("exit", P1275_INOUT(0, 0));
96 goto again; /* PROM is out to get me -DaveM */
97}
98
99void prom_halt_power_off(void)
100{
101#ifdef CONFIG_SUN_LDOMS
102 if (ldom_domaining_enabled)
103 ldom_power_off();
104#endif
105 p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0));
106
107 /* if nothing else helps, we just halt */
108 prom_halt();
109}
110
111/* Set prom sync handler to call function 'funcp'. */
112void prom_setcallback(callback_func_t funcp)
113{
114 if (!funcp)
115 return;
116 p1275_cmd("set-callback", P1275_ARG(0, P1275_ARG_IN_FUNCTION) |
117 P1275_INOUT(1, 1), funcp);
118}
119
120/* Get the idprom and stuff it into buffer 'idbuf'. Returns the
121 * format type. 'num_bytes' is the number of bytes that your idbuf
122 * has space for. Returns 0xff on error.
123 */
124unsigned char prom_get_idprom(char *idbuf, int num_bytes)
125{
126 int len;
127
128 len = prom_getproplen(prom_root_node, "idprom");
129 if ((len >num_bytes) || (len == -1))
130 return 0xff;
131 if (!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes))
132 return idbuf[0];
133
134 return 0xff;
135}
136
137int prom_get_mmu_ihandle(void)
138{
139 int node, ret;
140
141 if (prom_mmu_ihandle_cache != 0)
142 return prom_mmu_ihandle_cache;
143
144 node = prom_finddevice(prom_chosen_path);
145 ret = prom_getint(node, prom_mmu_name);
146 if (ret == -1 || ret == 0)
147 prom_mmu_ihandle_cache = -1;
148 else
149 prom_mmu_ihandle_cache = ret;
150
151 return ret;
152}
153
154static int prom_get_memory_ihandle(void)
155{
156 static int memory_ihandle_cache;
157 int node, ret;
158
159 if (memory_ihandle_cache != 0)
160 return memory_ihandle_cache;
161
162 node = prom_finddevice("/chosen");
163 ret = prom_getint(node, "memory");
164 if (ret == -1 || ret == 0)
165 memory_ihandle_cache = -1;
166 else
167 memory_ihandle_cache = ret;
168
169 return ret;
170}
171
172/* Load explicit I/D TLB entries. */
173long prom_itlb_load(unsigned long index,
174 unsigned long tte_data,
175 unsigned long vaddr)
176{
177 return p1275_cmd(prom_callmethod_name,
178 (P1275_ARG(0, P1275_ARG_IN_STRING) |
179 P1275_ARG(2, P1275_ARG_IN_64B) |
180 P1275_ARG(3, P1275_ARG_IN_64B) |
181 P1275_INOUT(5, 1)),
182 "SUNW,itlb-load",
183 prom_get_mmu_ihandle(),
184 /* And then our actual args are pushed backwards. */
185 vaddr,
186 tte_data,
187 index);
188}
189
190long prom_dtlb_load(unsigned long index,
191 unsigned long tte_data,
192 unsigned long vaddr)
193{
194 return p1275_cmd(prom_callmethod_name,
195 (P1275_ARG(0, P1275_ARG_IN_STRING) |
196 P1275_ARG(2, P1275_ARG_IN_64B) |
197 P1275_ARG(3, P1275_ARG_IN_64B) |
198 P1275_INOUT(5, 1)),
199 "SUNW,dtlb-load",
200 prom_get_mmu_ihandle(),
201 /* And then our actual args are pushed backwards. */
202 vaddr,
203 tte_data,
204 index);
205}
206
207int prom_map(int mode, unsigned long size,
208 unsigned long vaddr, unsigned long paddr)
209{
210 int ret = p1275_cmd(prom_callmethod_name,
211 (P1275_ARG(0, P1275_ARG_IN_STRING) |
212 P1275_ARG(3, P1275_ARG_IN_64B) |
213 P1275_ARG(4, P1275_ARG_IN_64B) |
214 P1275_ARG(6, P1275_ARG_IN_64B) |
215 P1275_INOUT(7, 1)),
216 prom_map_name,
217 prom_get_mmu_ihandle(),
218 mode,
219 size,
220 vaddr,
221 0,
222 paddr);
223
224 if (ret == 0)
225 ret = -1;
226 return ret;
227}
228
229void prom_unmap(unsigned long size, unsigned long vaddr)
230{
231 p1275_cmd(prom_callmethod_name,
232 (P1275_ARG(0, P1275_ARG_IN_STRING) |
233 P1275_ARG(2, P1275_ARG_IN_64B) |
234 P1275_ARG(3, P1275_ARG_IN_64B) |
235 P1275_INOUT(4, 0)),
236 prom_unmap_name,
237 prom_get_mmu_ihandle(),
238 size,
239 vaddr);
240}
241
242/* Set aside physical memory which is not touched or modified
243 * across soft resets.
244 */
245unsigned long prom_retain(const char *name,
246 unsigned long pa_low, unsigned long pa_high,
247 long size, long align)
248{
249 /* XXX I don't think we return multiple values correctly.
250 * XXX OBP supposedly returns pa_low/pa_high here, how does
251 * XXX it work?
252 */
253
254 /* If align is zero, the pa_low/pa_high args are passed,
255 * else they are not.
256 */
257 if (align == 0)
258 return p1275_cmd("SUNW,retain",
259 (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(5, 2)),
260 name, pa_low, pa_high, size, align);
261 else
262 return p1275_cmd("SUNW,retain",
263 (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(3, 2)),
264 name, size, align);
265}
266
267/* Get "Unumber" string for the SIMM at the given
268 * memory address. Usually this will be of the form
269 * "Uxxxx" where xxxx is a decimal number which is
270 * etched into the motherboard next to the SIMM slot
271 * in question.
272 */
273int prom_getunumber(int syndrome_code,
274 unsigned long phys_addr,
275 char *buf, int buflen)
276{
277 return p1275_cmd(prom_callmethod_name,
278 (P1275_ARG(0, P1275_ARG_IN_STRING) |
279 P1275_ARG(3, P1275_ARG_OUT_BUF) |
280 P1275_ARG(6, P1275_ARG_IN_64B) |
281 P1275_INOUT(8, 2)),
282 "SUNW,get-unumber", prom_get_memory_ihandle(),
283 buflen, buf, P1275_SIZE(buflen),
284 0, phys_addr, syndrome_code);
285}
286
287/* Power management extensions. */
288void prom_sleepself(void)
289{
290 p1275_cmd("SUNW,sleep-self", P1275_INOUT(0, 0));
291}
292
293int prom_sleepsystem(void)
294{
295 return p1275_cmd("SUNW,sleep-system", P1275_INOUT(0, 1));
296}
297
298int prom_wakeupsystem(void)
299{
300 return p1275_cmd("SUNW,wakeup-system", P1275_INOUT(0, 1));
301}
302
303#ifdef CONFIG_SMP
304void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg)
305{
306 p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, arg);
307}
308
309void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg)
310{
311 p1275_cmd("SUNW,start-cpu-by-cpuid", P1275_INOUT(3, 0),
312 cpuid, pc, arg);
313}
314
315void prom_stopcpu_cpuid(int cpuid)
316{
317 p1275_cmd("SUNW,stop-cpu-by-cpuid", P1275_INOUT(1, 0),
318 cpuid);
319}
320
321void prom_stopself(void)
322{
323 p1275_cmd("SUNW,stop-self", P1275_INOUT(0, 0));
324}
325
326void prom_idleself(void)
327{
328 p1275_cmd("SUNW,idle-self", P1275_INOUT(0, 0));
329}
330
331void prom_resumecpu(int cpunode)
332{
333 p1275_cmd("SUNW,resume-cpu", P1275_INOUT(1, 0), cpunode);
334}
335#endif
diff --git a/arch/sparc64/prom/p1275.c b/arch/sparc64/prom/p1275.c
deleted file mode 100644
index 4b7c937bba61..000000000000
--- a/arch/sparc64/prom/p1275.c
+++ /dev/null
@@ -1,151 +0,0 @@
1/*
2 * p1275.c: Sun IEEE 1275 PROM low level interface routines
3 *
4 * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
5 */
6
7#include <linux/kernel.h>
8#include <linux/init.h>
9#include <linux/sched.h>
10#include <linux/smp.h>
11#include <linux/string.h>
12#include <linux/spinlock.h>
13
14#include <asm/openprom.h>
15#include <asm/oplib.h>
16#include <asm/system.h>
17#include <asm/spitfire.h>
18#include <asm/pstate.h>
19#include <asm/ldc.h>
20
21struct {
22 long prom_callback; /* 0x00 */
23 void (*prom_cif_handler)(long *); /* 0x08 */
24 unsigned long prom_cif_stack; /* 0x10 */
25 unsigned long prom_args [23]; /* 0x18 */
26 char prom_buffer [3000];
27} p1275buf;
28
29extern void prom_world(int);
30
31extern void prom_cif_interface(void);
32extern void prom_cif_callback(void);
33
34/*
35 * This provides SMP safety on the p1275buf. prom_callback() drops this lock
36 * to allow recursuve acquisition.
37 */
38DEFINE_SPINLOCK(prom_entry_lock);
39
40long p1275_cmd(const char *service, long fmt, ...)
41{
42 char *p, *q;
43 unsigned long flags;
44 int nargs, nrets, i;
45 va_list list;
46 long attrs, x;
47
48 p = p1275buf.prom_buffer;
49
50 spin_lock_irqsave(&prom_entry_lock, flags);
51
52 p1275buf.prom_args[0] = (unsigned long)p; /* service */
53 strcpy (p, service);
54 p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
55 p1275buf.prom_args[1] = nargs = (fmt & 0x0f); /* nargs */
56 p1275buf.prom_args[2] = nrets = ((fmt & 0xf0) >> 4); /* nrets */
57 attrs = fmt >> 8;
58 va_start(list, fmt);
59 for (i = 0; i < nargs; i++, attrs >>= 3) {
60 switch (attrs & 0x7) {
61 case P1275_ARG_NUMBER:
62 p1275buf.prom_args[i + 3] =
63 (unsigned)va_arg(list, long);
64 break;
65 case P1275_ARG_IN_64B:
66 p1275buf.prom_args[i + 3] =
67 va_arg(list, unsigned long);
68 break;
69 case P1275_ARG_IN_STRING:
70 strcpy (p, va_arg(list, char *));
71 p1275buf.prom_args[i + 3] = (unsigned long)p;
72 p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
73 break;
74 case P1275_ARG_OUT_BUF:
75 (void) va_arg(list, char *);
76 p1275buf.prom_args[i + 3] = (unsigned long)p;
77 x = va_arg(list, long);
78 i++; attrs >>= 3;
79 p = (char *)(((long)(p + (int)x + 7)) & ~7);
80 p1275buf.prom_args[i + 3] = x;
81 break;
82 case P1275_ARG_IN_BUF:
83 q = va_arg(list, char *);
84 p1275buf.prom_args[i + 3] = (unsigned long)p;
85 x = va_arg(list, long);
86 i++; attrs >>= 3;
87 memcpy (p, q, (int)x);
88 p = (char *)(((long)(p + (int)x + 7)) & ~7);
89 p1275buf.prom_args[i + 3] = x;
90 break;
91 case P1275_ARG_OUT_32B:
92 (void) va_arg(list, char *);
93 p1275buf.prom_args[i + 3] = (unsigned long)p;
94 p += 32;
95 break;
96 case P1275_ARG_IN_FUNCTION:
97 p1275buf.prom_args[i + 3] =
98 (unsigned long)prom_cif_callback;
99 p1275buf.prom_callback = va_arg(list, long);
100 break;
101 }
102 }
103 va_end(list);
104
105 prom_world(1);
106 prom_cif_interface();
107 prom_world(0);
108
109 attrs = fmt >> 8;
110 va_start(list, fmt);
111 for (i = 0; i < nargs; i++, attrs >>= 3) {
112 switch (attrs & 0x7) {
113 case P1275_ARG_NUMBER:
114 (void) va_arg(list, long);
115 break;
116 case P1275_ARG_IN_STRING:
117 (void) va_arg(list, char *);
118 break;
119 case P1275_ARG_IN_FUNCTION:
120 (void) va_arg(list, long);
121 break;
122 case P1275_ARG_IN_BUF:
123 (void) va_arg(list, char *);
124 (void) va_arg(list, long);
125 i++; attrs >>= 3;
126 break;
127 case P1275_ARG_OUT_BUF:
128 p = va_arg(list, char *);
129 x = va_arg(list, long);
130 memcpy (p, (char *)(p1275buf.prom_args[i + 3]), (int)x);
131 i++; attrs >>= 3;
132 break;
133 case P1275_ARG_OUT_32B:
134 p = va_arg(list, char *);
135 memcpy (p, (char *)(p1275buf.prom_args[i + 3]), 32);
136 break;
137 }
138 }
139 va_end(list);
140 x = p1275buf.prom_args [nargs + 3];
141
142 spin_unlock_irqrestore(&prom_entry_lock, flags);
143
144 return x;
145}
146
147void prom_cif_init(void *cif_handler, void *cif_stack)
148{
149 p1275buf.prom_cif_handler = (void (*)(long *))cif_handler;
150 p1275buf.prom_cif_stack = (unsigned long)cif_stack;
151}
diff --git a/arch/sparc64/prom/printf.c b/arch/sparc64/prom/printf.c
deleted file mode 100644
index 660943ee4c2a..000000000000
--- a/arch/sparc64/prom/printf.c
+++ /dev/null
@@ -1,47 +0,0 @@
1/*
2 * printf.c: Internal prom library printf facility.
3 *
4 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
6 * Copyright (c) 2002 Pete Zaitcev (zaitcev@yahoo.com)
7 *
8 * We used to warn all over the code: DO NOT USE prom_printf(),
9 * and yet people do. Anton's banking code was outputting banks
10 * with prom_printf for most of the 2.4 lifetime. Since an effective
11 * stick is not available, we deployed a carrot: an early printk
12 * through PROM by means of -p boot option. This ought to fix it.
13 * USE printk; if you need, deploy -p.
14 */
15
16#include <linux/kernel.h>
17
18#include <asm/openprom.h>
19#include <asm/oplib.h>
20
21static char ppbuf[1024];
22
23void
24prom_write(const char *buf, unsigned int n)
25{
26 char ch;
27
28 while (n != 0) {
29 --n;
30 if ((ch = *buf++) == '\n')
31 prom_putchar('\r');
32 prom_putchar(ch);
33 }
34}
35
36void
37prom_printf(const char *fmt, ...)
38{
39 va_list args;
40 int i;
41
42 va_start(args, fmt);
43 i = vscnprintf(ppbuf, sizeof(ppbuf), fmt, args);
44 va_end(args);
45
46 prom_write(ppbuf, i);
47}
diff --git a/arch/sparc64/prom/tree.c b/arch/sparc64/prom/tree.c
deleted file mode 100644
index 281aea44790b..000000000000
--- a/arch/sparc64/prom/tree.c
+++ /dev/null
@@ -1,299 +0,0 @@
1/*
2 * tree.c: Basic device tree traversal/scanning for the Linux
3 * prom library.
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/string.h>
10#include <linux/types.h>
11#include <linux/kernel.h>
12#include <linux/sched.h>
13
14#include <asm/openprom.h>
15#include <asm/oplib.h>
16#include <asm/ldc.h>
17
18/* Return the child of node 'node' or zero if no this node has no
19 * direct descendent.
20 */
21inline int __prom_getchild(int node)
22{
23 return p1275_cmd ("child", P1275_INOUT(1, 1), node);
24}
25
26inline int prom_getchild(int node)
27{
28 int cnode;
29
30 if(node == -1) return 0;
31 cnode = __prom_getchild(node);
32 if(cnode == -1) return 0;
33 return (int)cnode;
34}
35
36inline int prom_getparent(int node)
37{
38 int cnode;
39
40 if(node == -1) return 0;
41 cnode = p1275_cmd ("parent", P1275_INOUT(1, 1), node);
42 if(cnode == -1) return 0;
43 return (int)cnode;
44}
45
46/* Return the next sibling of node 'node' or zero if no more siblings
47 * at this level of depth in the tree.
48 */
49inline int __prom_getsibling(int node)
50{
51 return p1275_cmd(prom_peer_name, P1275_INOUT(1, 1), node);
52}
53
54inline int prom_getsibling(int node)
55{
56 int sibnode;
57
58 if (node == -1)
59 return 0;
60 sibnode = __prom_getsibling(node);
61 if (sibnode == -1)
62 return 0;
63
64 return sibnode;
65}
66
67/* Return the length in bytes of property 'prop' at node 'node'.
68 * Return -1 on error.
69 */
70inline int prom_getproplen(int node, const char *prop)
71{
72 if((!node) || (!prop)) return -1;
73 return p1275_cmd ("getproplen",
74 P1275_ARG(1,P1275_ARG_IN_STRING)|
75 P1275_INOUT(2, 1),
76 node, prop);
77}
78
79/* Acquire a property 'prop' at node 'node' and place it in
80 * 'buffer' which has a size of 'bufsize'. If the acquisition
81 * was successful the length will be returned, else -1 is returned.
82 */
83inline int prom_getproperty(int node, const char *prop,
84 char *buffer, int bufsize)
85{
86 int plen;
87
88 plen = prom_getproplen(node, prop);
89 if ((plen > bufsize) || (plen == 0) || (plen == -1)) {
90 return -1;
91 } else {
92 /* Ok, things seem all right. */
93 return p1275_cmd(prom_getprop_name,
94 P1275_ARG(1,P1275_ARG_IN_STRING)|
95 P1275_ARG(2,P1275_ARG_OUT_BUF)|
96 P1275_INOUT(4, 1),
97 node, prop, buffer, P1275_SIZE(plen));
98 }
99}
100
101/* Acquire an integer property and return its value. Returns -1
102 * on failure.
103 */
104inline int prom_getint(int node, const char *prop)
105{
106 int intprop;
107
108 if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1)
109 return intprop;
110
111 return -1;
112}
113
114/* Acquire an integer property, upon error return the passed default
115 * integer.
116 */
117
118int prom_getintdefault(int node, const char *property, int deflt)
119{
120 int retval;
121
122 retval = prom_getint(node, property);
123 if(retval == -1) return deflt;
124
125 return retval;
126}
127
128/* Acquire a boolean property, 1=TRUE 0=FALSE. */
129int prom_getbool(int node, const char *prop)
130{
131 int retval;
132
133 retval = prom_getproplen(node, prop);
134 if(retval == -1) return 0;
135 return 1;
136}
137
138/* Acquire a property whose value is a string, returns a null
139 * string on error. The char pointer is the user supplied string
140 * buffer.
141 */
142void prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size)
143{
144 int len;
145
146 len = prom_getproperty(node, prop, user_buf, ubuf_size);
147 if(len != -1) return;
148 user_buf[0] = 0;
149 return;
150}
151
152
153/* Does the device at node 'node' have name 'name'?
154 * YES = 1 NO = 0
155 */
156int prom_nodematch(int node, const char *name)
157{
158 char namebuf[128];
159 prom_getproperty(node, "name", namebuf, sizeof(namebuf));
160 if(strcmp(namebuf, name) == 0) return 1;
161 return 0;
162}
163
164/* Search siblings at 'node_start' for a node with name
165 * 'nodename'. Return node if successful, zero if not.
166 */
167int prom_searchsiblings(int node_start, const char *nodename)
168{
169
170 int thisnode, error;
171 char promlib_buf[128];
172
173 for(thisnode = node_start; thisnode;
174 thisnode=prom_getsibling(thisnode)) {
175 error = prom_getproperty(thisnode, "name", promlib_buf,
176 sizeof(promlib_buf));
177 /* Should this ever happen? */
178 if(error == -1) continue;
179 if(strcmp(nodename, promlib_buf)==0) return thisnode;
180 }
181
182 return 0;
183}
184
185/* Return the first property type for node 'node'.
186 * buffer should be at least 32B in length
187 */
188inline char *prom_firstprop(int node, char *buffer)
189{
190 *buffer = 0;
191 if(node == -1) return buffer;
192 p1275_cmd ("nextprop", P1275_ARG(2,P1275_ARG_OUT_32B)|
193 P1275_INOUT(3, 0),
194 node, (char *) 0x0, buffer);
195 return buffer;
196}
197
198/* Return the property type string after property type 'oprop'
199 * at node 'node' . Returns NULL string if no more
200 * property types for this node.
201 */
202inline char *prom_nextprop(int node, const char *oprop, char *buffer)
203{
204 char buf[32];
205
206 if(node == -1) {
207 *buffer = 0;
208 return buffer;
209 }
210 if (oprop == buffer) {
211 strcpy (buf, oprop);
212 oprop = buf;
213 }
214 p1275_cmd ("nextprop", P1275_ARG(1,P1275_ARG_IN_STRING)|
215 P1275_ARG(2,P1275_ARG_OUT_32B)|
216 P1275_INOUT(3, 0),
217 node, oprop, buffer);
218 return buffer;
219}
220
221int
222prom_finddevice(const char *name)
223{
224 if (!name)
225 return 0;
226 return p1275_cmd(prom_finddev_name,
227 P1275_ARG(0,P1275_ARG_IN_STRING)|
228 P1275_INOUT(1, 1),
229 name);
230}
231
232int prom_node_has_property(int node, const char *prop)
233{
234 char buf [32];
235
236 *buf = 0;
237 do {
238 prom_nextprop(node, buf, buf);
239 if(!strcmp(buf, prop))
240 return 1;
241 } while (*buf);
242 return 0;
243}
244
245/* Set property 'pname' at node 'node' to value 'value' which has a length
246 * of 'size' bytes. Return the number of bytes the prom accepted.
247 */
248int
249prom_setprop(int node, const char *pname, char *value, int size)
250{
251 if (size == 0)
252 return 0;
253 if ((pname == 0) || (value == 0))
254 return 0;
255
256#ifdef CONFIG_SUN_LDOMS
257 if (ldom_domaining_enabled) {
258 ldom_set_var(pname, value);
259 return 0;
260 }
261#endif
262 return p1275_cmd ("setprop", P1275_ARG(1,P1275_ARG_IN_STRING)|
263 P1275_ARG(2,P1275_ARG_IN_BUF)|
264 P1275_INOUT(4, 1),
265 node, pname, value, P1275_SIZE(size));
266}
267
268inline int prom_inst2pkg(int inst)
269{
270 int node;
271
272 node = p1275_cmd ("instance-to-package", P1275_INOUT(1, 1), inst);
273 if (node == -1) return 0;
274 return node;
275}
276
277/* Return 'node' assigned to a particular prom 'path'
278 * FIXME: Should work for v0 as well
279 */
280int
281prom_pathtoinode(const char *path)
282{
283 int node, inst;
284
285 inst = prom_devopen (path);
286 if (inst == 0) return 0;
287 node = prom_inst2pkg (inst);
288 prom_devclose (inst);
289 if (node == -1) return 0;
290 return node;
291}
292
293int prom_ihandle2path(int handle, char *buffer, int bufsize)
294{
295 return p1275_cmd("instance-to-path",
296 P1275_ARG(1,P1275_ARG_OUT_BUF)|
297 P1275_INOUT(3, 1),
298 handle, buffer, P1275_SIZE(bufsize));
299}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-20 04:14:11 -0500