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-rw-r--r--arch/powerpc/kernel/firmware.c25
-rw-r--r--arch/powerpc/platforms/pseries/Makefile3
-rw-r--r--arch/powerpc/platforms/pseries/firmware.c103
-rw-r--r--arch/powerpc/platforms/pseries/firmware.h17
-rw-r--r--arch/powerpc/platforms/pseries/setup.c45
5 files changed, 123 insertions, 70 deletions
diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c
index 65eae752a527..4d37a3cb80f6 100644
--- a/arch/powerpc/kernel/firmware.c
+++ b/arch/powerpc/kernel/firmware.c
@@ -18,28 +18,3 @@
18#include <asm/firmware.h> 18#include <asm/firmware.h>
19 19
20unsigned long ppc64_firmware_features; 20unsigned long ppc64_firmware_features;
21
22#ifdef CONFIG_PPC_PSERIES
23firmware_feature_t firmware_features_table[FIRMWARE_MAX_FEATURES] = {
24 {FW_FEATURE_PFT, "hcall-pft"},
25 {FW_FEATURE_TCE, "hcall-tce"},
26 {FW_FEATURE_SPRG0, "hcall-sprg0"},
27 {FW_FEATURE_DABR, "hcall-dabr"},
28 {FW_FEATURE_COPY, "hcall-copy"},
29 {FW_FEATURE_ASR, "hcall-asr"},
30 {FW_FEATURE_DEBUG, "hcall-debug"},
31 {FW_FEATURE_PERF, "hcall-perf"},
32 {FW_FEATURE_DUMP, "hcall-dump"},
33 {FW_FEATURE_INTERRUPT, "hcall-interrupt"},
34 {FW_FEATURE_MIGRATE, "hcall-migrate"},
35 {FW_FEATURE_PERFMON, "hcall-perfmon"},
36 {FW_FEATURE_CRQ, "hcall-crq"},
37 {FW_FEATURE_VIO, "hcall-vio"},
38 {FW_FEATURE_RDMA, "hcall-rdma"},
39 {FW_FEATURE_LLAN, "hcall-lLAN"},
40 {FW_FEATURE_BULK, "hcall-bulk"},
41 {FW_FEATURE_XDABR, "hcall-xdabr"},
42 {FW_FEATURE_MULTITCE, "hcall-multi-tce"},
43 {FW_FEATURE_SPLPAR, "hcall-splpar"},
44};
45#endif
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index 61616d144072..930898635c9f 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -1,5 +1,6 @@
1obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \ 1obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \
2 setup.o iommu.o ras.o rtasd.o pci_dlpar.o 2 setup.o iommu.o ras.o rtasd.o pci_dlpar.o \
3 firmware.o
3obj-$(CONFIG_SMP) += smp.o 4obj-$(CONFIG_SMP) += smp.o
4obj-$(CONFIG_IBMVIO) += vio.o 5obj-$(CONFIG_IBMVIO) += vio.o
5obj-$(CONFIG_XICS) += xics.o 6obj-$(CONFIG_XICS) += xics.o
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
new file mode 100644
index 000000000000..989f4bc136cb
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -0,0 +1,103 @@
1/*
2 * pSeries firmware setup code.
3 *
4 * Portions from arch/powerpc/platforms/pseries/setup.c:
5 * Copyright (C) 1995 Linus Torvalds
6 * Adapted from 'alpha' version by Gary Thomas
7 * Modified by Cort Dougan (cort@cs.nmt.edu)
8 * Modified by PPC64 Team, IBM Corp
9 *
10 * Portions from arch/powerpc/kernel/firmware.c
11 * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
12 * Modifications for ppc64:
13 * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
14 * Copyright (C) 2005 Stephen Rothwell, IBM Corporation
15 *
16 * Copyright 2006 IBM Corporation.
17 *
18 * This program is free software; you can redistribute it and/or
19 * modify it under the terms of the GNU General Public License
20 * as published by the Free Software Foundation; either version
21 * 2 of the License, or (at your option) any later version.
22 */
23
24#undef DEBUG
25
26#include <asm/firmware.h>
27#include <asm/prom.h>
28
29#ifdef DEBUG
30#define DBG(fmt...) udbg_printf(fmt)
31#else
32#define DBG(fmt...)
33#endif
34
35typedef struct {
36 unsigned long val;
37 char * name;
38} firmware_feature_t;
39
40static __initdata firmware_feature_t
41firmware_features_table[FIRMWARE_MAX_FEATURES] = {
42 {FW_FEATURE_PFT, "hcall-pft"},
43 {FW_FEATURE_TCE, "hcall-tce"},
44 {FW_FEATURE_SPRG0, "hcall-sprg0"},
45 {FW_FEATURE_DABR, "hcall-dabr"},
46 {FW_FEATURE_COPY, "hcall-copy"},
47 {FW_FEATURE_ASR, "hcall-asr"},
48 {FW_FEATURE_DEBUG, "hcall-debug"},
49 {FW_FEATURE_PERF, "hcall-perf"},
50 {FW_FEATURE_DUMP, "hcall-dump"},
51 {FW_FEATURE_INTERRUPT, "hcall-interrupt"},
52 {FW_FEATURE_MIGRATE, "hcall-migrate"},
53 {FW_FEATURE_PERFMON, "hcall-perfmon"},
54 {FW_FEATURE_CRQ, "hcall-crq"},
55 {FW_FEATURE_VIO, "hcall-vio"},
56 {FW_FEATURE_RDMA, "hcall-rdma"},
57 {FW_FEATURE_LLAN, "hcall-lLAN"},
58 {FW_FEATURE_BULK, "hcall-bulk"},
59 {FW_FEATURE_XDABR, "hcall-xdabr"},
60 {FW_FEATURE_MULTITCE, "hcall-multi-tce"},
61 {FW_FEATURE_SPLPAR, "hcall-splpar"},
62};
63
64/* Build up the firmware features bitmask using the contents of
65 * device-tree/ibm,hypertas-functions. Ultimately this functionality may
66 * be moved into prom.c prom_init().
67 */
68void __init fw_feature_init(void)
69{
70 struct device_node *dn;
71 char *hypertas, *s;
72 int len, i;
73
74 DBG(" -> fw_feature_init()\n");
75
76 dn = of_find_node_by_path("/rtas");
77 if (dn == NULL) {
78 printk(KERN_ERR "WARNING! Cannot find RTAS in device-tree!\n");
79 goto out;
80 }
81
82 hypertas = get_property(dn, "ibm,hypertas-functions", &len);
83 if (hypertas == NULL)
84 goto out;
85
86 for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) {
87 for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) {
88 /* check value against table of strings */
89 if (!firmware_features_table[i].name ||
90 strcmp(firmware_features_table[i].name, s))
91 continue;
92
93 /* we have a match */
94 ppc64_firmware_features |=
95 firmware_features_table[i].val;
96 break;
97 }
98 }
99
100out:
101 of_node_put(dn);
102 DBG(" <- fw_feature_init()\n");
103}
diff --git a/arch/powerpc/platforms/pseries/firmware.h b/arch/powerpc/platforms/pseries/firmware.h
new file mode 100644
index 000000000000..714f56f55362
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/firmware.h
@@ -0,0 +1,17 @@
1/*
2 * Copyright 2006 IBM Corporation.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 */
9
10#ifndef _PSERIES_FIRMWARE_H
11#define _PSERIES_FIRMWARE_H
12
13#include <asm/firmware.h>
14
15extern void __init fw_feature_init(void);
16
17#endif /* _PSERIES_FIRMWARE_H */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 984241bb776c..b5996a7060f4 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -60,7 +60,6 @@
60#include <asm/time.h> 60#include <asm/time.h>
61#include <asm/nvram.h> 61#include <asm/nvram.h>
62#include "xics.h" 62#include "xics.h"
63#include <asm/firmware.h>
64#include <asm/pmc.h> 63#include <asm/pmc.h>
65#include <asm/mpic.h> 64#include <asm/mpic.h>
66#include <asm/ppc-pci.h> 65#include <asm/ppc-pci.h>
@@ -70,6 +69,7 @@
70 69
71#include "plpar_wrappers.h" 70#include "plpar_wrappers.h"
72#include "ras.h" 71#include "ras.h"
72#include "firmware.h"
73 73
74#ifdef DEBUG 74#ifdef DEBUG
75#define DBG(fmt...) udbg_printf(fmt) 75#define DBG(fmt...) udbg_printf(fmt)
@@ -262,49 +262,6 @@ static int __init pSeries_init_panel(void)
262} 262}
263arch_initcall(pSeries_init_panel); 263arch_initcall(pSeries_init_panel);
264 264
265
266/* Build up the firmware features bitmask using the contents of
267 * device-tree/ibm,hypertas-functions. Ultimately this functionality may
268 * be moved into prom.c prom_init().
269 */
270static void __init fw_feature_init(void)
271{
272 struct device_node *dn;
273 char *hypertas, *s;
274 int len, i;
275
276 DBG(" -> fw_feature_init()\n");
277
278 dn = of_find_node_by_path("/rtas");
279 if (dn == NULL) {
280 printk(KERN_ERR "WARNING! Cannot find RTAS in device-tree!\n");
281 goto out;
282 }
283
284 hypertas = get_property(dn, "ibm,hypertas-functions", &len);
285 if (hypertas == NULL)
286 goto out;
287
288 for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) {
289 for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) {
290 /* check value against table of strings */
291 if (!firmware_features_table[i].name ||
292 strcmp(firmware_features_table[i].name, s))
293 continue;
294
295 /* we have a match */
296 ppc64_firmware_features |=
297 firmware_features_table[i].val;
298 break;
299 }
300 }
301
302out:
303 of_node_put(dn);
304 DBG(" <- fw_feature_init()\n");
305}
306
307
308static void __init pSeries_discover_pic(void) 265static void __init pSeries_discover_pic(void)
309{ 266{
310 struct device_node *np; 267 struct device_node *np;
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-05 09:08:34 -0500