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authorKumar Gala <galak@kernel.crashing.org>2007-02-17 11:18:34 -0500
committerKumar Gala <galak@kernel.crashing.org>2007-02-17 11:18:34 -0500
commit975b89399679dcf8587288d46d3f21d4286af167 (patch)
tree5e634b6d99313865fb47e9f6f3408d25b47f1098 /arch/powerpc
parent578f8f20f3c7e2c18083cf3bd434df994280af30 (diff)
parentfc7900bb04c4290f3a8e43abf231aee566feff6d (diff)
Merge branch 'master' into 85xx
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/configs/ppc64_defconfig4
-rw-r--r--arch/powerpc/configs/pseries_defconfig4
-rw-r--r--arch/powerpc/kernel/prom_parse.c40
-rw-r--r--arch/powerpc/platforms/pseries/Makefile2
-rw-r--r--arch/powerpc/platforms/pseries/power.c87
-rw-r--r--arch/powerpc/platforms/pseries/pseries.h3
-rw-r--r--arch/powerpc/platforms/pseries/setup.c30
-rw-r--r--arch/powerpc/sysdev/fsl_soc.c19
8 files changed, 171 insertions, 18 deletions
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index debac66e8258..a8da0aea3b87 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -500,7 +500,7 @@ CONFIG_BLK_DEV_AMD74XX=y
500# CONFIG_BLK_DEV_PDC202XX_NEW is not set 500# CONFIG_BLK_DEV_PDC202XX_NEW is not set
501# CONFIG_BLK_DEV_SVWKS is not set 501# CONFIG_BLK_DEV_SVWKS is not set
502# CONFIG_BLK_DEV_SIIMAGE is not set 502# CONFIG_BLK_DEV_SIIMAGE is not set
503CONFIG_BLK_DEV_SL82C105=y 503# CONFIG_BLK_DEV_SL82C105 is not set
504# CONFIG_BLK_DEV_SLC90E66 is not set 504# CONFIG_BLK_DEV_SLC90E66 is not set
505# CONFIG_BLK_DEV_TRM290 is not set 505# CONFIG_BLK_DEV_TRM290 is not set
506# CONFIG_BLK_DEV_VIA82CXXX is not set 506# CONFIG_BLK_DEV_VIA82CXXX is not set
@@ -646,7 +646,7 @@ CONFIG_SATA_SVW=y
646# CONFIG_PATA_SIL680 is not set 646# CONFIG_PATA_SIL680 is not set
647# CONFIG_PATA_SIS is not set 647# CONFIG_PATA_SIS is not set
648# CONFIG_PATA_VIA is not set 648# CONFIG_PATA_VIA is not set
649# CONFIG_PATA_WINBOND is not set 649CONFIG_PATA_WINBOND=y
650 650
651# 651#
652# Multi-device support (RAID and LVM) 652# Multi-device support (RAID and LVM)
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 1c794fe718fd..6e96e50c362d 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -483,7 +483,7 @@ CONFIG_BLK_DEV_AMD74XX=y
483# CONFIG_BLK_DEV_PDC202XX_NEW is not set 483# CONFIG_BLK_DEV_PDC202XX_NEW is not set
484# CONFIG_BLK_DEV_SVWKS is not set 484# CONFIG_BLK_DEV_SVWKS is not set
485# CONFIG_BLK_DEV_SIIMAGE is not set 485# CONFIG_BLK_DEV_SIIMAGE is not set
486CONFIG_BLK_DEV_SL82C105=y 486# CONFIG_BLK_DEV_SL82C105 is not set
487# CONFIG_BLK_DEV_SLC90E66 is not set 487# CONFIG_BLK_DEV_SLC90E66 is not set
488# CONFIG_BLK_DEV_TRM290 is not set 488# CONFIG_BLK_DEV_TRM290 is not set
489# CONFIG_BLK_DEV_VIA82CXXX is not set 489# CONFIG_BLK_DEV_VIA82CXXX is not set
@@ -628,7 +628,7 @@ CONFIG_ATA=y
628# CONFIG_PATA_SIL680 is not set 628# CONFIG_PATA_SIL680 is not set
629# CONFIG_PATA_SIS is not set 629# CONFIG_PATA_SIS is not set
630# CONFIG_PATA_VIA is not set 630# CONFIG_PATA_VIA is not set
631# CONFIG_PATA_WINBOND is not set 631CONFIG_PATA_WINBOND=y
632 632
633# 633#
634# Multi-device support (RAID and LVM) 634# Multi-device support (RAID and LVM)
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 12c51e4ad2b4..ea6fd552c7ea 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -5,6 +5,7 @@
5#include <linux/pci_regs.h> 5#include <linux/pci_regs.h>
6#include <linux/module.h> 6#include <linux/module.h>
7#include <linux/ioport.h> 7#include <linux/ioport.h>
8#include <linux/etherdevice.h>
8#include <asm/prom.h> 9#include <asm/prom.h>
9#include <asm/pci-bridge.h> 10#include <asm/pci-bridge.h>
10 11
@@ -1003,3 +1004,42 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
1003 return res; 1004 return res;
1004} 1005}
1005EXPORT_SYMBOL_GPL(of_irq_map_one); 1006EXPORT_SYMBOL_GPL(of_irq_map_one);
1007
1008/**
1009 * Search the device tree for the best MAC address to use. 'mac-address' is
1010 * checked first, because that is supposed to contain to "most recent" MAC
1011 * address. If that isn't set, then 'local-mac-address' is checked next,
1012 * because that is the default address. If that isn't set, then the obsolete
1013 * 'address' is checked, just in case we're using an old device tree.
1014 *
1015 * Note that the 'address' property is supposed to contain a virtual address of
1016 * the register set, but some DTS files have redefined that property to be the
1017 * MAC address.
1018 *
1019 * All-zero MAC addresses are rejected, because those could be properties that
1020 * exist in the device tree, but were not set by U-Boot. For example, the
1021 * DTS could define 'mac-address' and 'local-mac-address', with zero MAC
1022 * addresses. Some older U-Boots only initialized 'local-mac-address'. In
1023 * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
1024 * but is all zeros.
1025*/
1026const void *of_get_mac_address(struct device_node *np)
1027{
1028 struct property *pp;
1029
1030 pp = of_find_property(np, "mac-address", NULL);
1031 if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
1032 return pp->value;
1033
1034 pp = of_find_property(np, "local-mac-address", NULL);
1035 if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
1036 return pp->value;
1037
1038 pp = of_find_property(np, "address", NULL);
1039 if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
1040 return pp->value;
1041
1042 return NULL;
1043}
1044EXPORT_SYMBOL(of_get_mac_address);
1045
diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile
index dc0583bdbc63..2dfd05095a25 100644
--- a/arch/powerpc/platforms/pseries/Makefile
+++ b/arch/powerpc/platforms/pseries/Makefile
@@ -4,7 +4,7 @@ endif
4 4
5obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \ 5obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \
6 setup.o iommu.o ras.o rtasd.o pci_dlpar.o \ 6 setup.o iommu.o ras.o rtasd.o pci_dlpar.o \
7 firmware.o 7 firmware.o power.o
8obj-$(CONFIG_SMP) += smp.o 8obj-$(CONFIG_SMP) += smp.o
9obj-$(CONFIG_XICS) += xics.o 9obj-$(CONFIG_XICS) += xics.o
10obj-$(CONFIG_SCANLOG) += scanlog.o 10obj-$(CONFIG_SCANLOG) += scanlog.o
diff --git a/arch/powerpc/platforms/pseries/power.c b/arch/powerpc/platforms/pseries/power.c
new file mode 100644
index 000000000000..2624b71df73d
--- /dev/null
+++ b/arch/powerpc/platforms/pseries/power.c
@@ -0,0 +1,87 @@
1/*
2 * Interface for power-management for ppc64 compliant platform
3 *
4 * Manish Ahuja <mahuja@us.ibm.com>
5 *
6 * Feb 2007
7 *
8 * Copyright (C) 2007 IBM Corporation.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2 of the License.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24#include <linux/kobject.h>
25#include <linux/string.h>
26#include <linux/errno.h>
27#include <linux/init.h>
28
29unsigned long rtas_poweron_auto; /* default and normal state is 0 */
30
31static ssize_t auto_poweron_show(struct subsystem *subsys, char *buf)
32{
33 return sprintf(buf, "%lu\n", rtas_poweron_auto);
34}
35
36static ssize_t
37auto_poweron_store(struct subsystem *subsys, const char *buf, size_t n)
38{
39 int ret;
40 unsigned long ups_restart;
41 ret = sscanf(buf, "%lu", &ups_restart);
42
43 if ((ret == 1) && ((ups_restart == 1) || (ups_restart == 0))){
44 rtas_poweron_auto = ups_restart;
45 return n;
46 }
47 return -EINVAL;
48}
49
50static struct subsys_attribute auto_poweron_attr = {
51 .attr = {
52 .name = __stringify(auto_poweron),
53 .mode = 0644,
54 },
55 .show = auto_poweron_show,
56 .store = auto_poweron_store,
57};
58
59#ifndef CONFIG_PM
60decl_subsys(power,NULL,NULL);
61
62static struct attribute *g[] = {
63 &auto_poweron_attr.attr,
64 NULL,
65};
66
67static struct attribute_group attr_group = {
68 .attrs = g,
69};
70
71static int __init pm_init(void)
72{
73 int error = subsystem_register(&power_subsys);
74 if (!error)
75 error = sysfs_create_group(&power_subsys.kset.kobj,&attr_group);
76 return error;
77}
78core_initcall(pm_init);
79#else
80extern struct subsystem power_subsys;
81
82static int __init apo_pm_init(void)
83{
84 return (subsys_create_file(&power_subsys, &auto_poweron_attr));
85}
86__initcall(apo_pm_init);
87#endif
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 35264f9af0ff..22bc01989749 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -33,4 +33,7 @@ static inline void setup_kexec_cpu_down_xics(void) { }
33static inline void setup_kexec_cpu_down_mpic(void) { } 33static inline void setup_kexec_cpu_down_mpic(void) { }
34#endif 34#endif
35 35
36/* Poweron flag used for enabling auto ups restart */
37extern unsigned long rtas_poweron_auto;
38
36#endif /* _PSERIES_PSERIES_H */ 39#endif /* _PSERIES_PSERIES_H */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 435a04596526..34aff47b1f55 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -486,6 +486,34 @@ static int pSeries_pci_probe_mode(struct pci_bus *bus)
486 return PCI_PROBE_NORMAL; 486 return PCI_PROBE_NORMAL;
487} 487}
488 488
489/**
490 * pSeries_power_off - tell firmware about how to power off the system.
491 *
492 * This function calls either the power-off rtas token in normal cases
493 * or the ibm,power-off-ups token (if present & requested) in case of
494 * a power failure. If power-off token is used, power on will only be
495 * possible with power button press. If ibm,power-off-ups token is used
496 * it will allow auto poweron after power is restored.
497 */
498void pSeries_power_off(void)
499{
500 int rc;
501 int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
502
503 if (rtas_flash_term_hook)
504 rtas_flash_term_hook(SYS_POWER_OFF);
505
506 if (rtas_poweron_auto == 0 ||
507 rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
508 rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
509 printk(KERN_INFO "RTAS power-off returned %d\n", rc);
510 } else {
511 rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
512 printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
513 }
514 for (;;);
515}
516
489define_machine(pseries) { 517define_machine(pseries) {
490 .name = "pSeries", 518 .name = "pSeries",
491 .probe = pSeries_probe, 519 .probe = pSeries_probe,
@@ -496,7 +524,7 @@ define_machine(pseries) {
496 .pcibios_fixup = pSeries_final_fixup, 524 .pcibios_fixup = pSeries_final_fixup,
497 .pci_probe_mode = pSeries_pci_probe_mode, 525 .pci_probe_mode = pSeries_pci_probe_mode,
498 .restart = rtas_restart, 526 .restart = rtas_restart,
499 .power_off = rtas_power_off, 527 .power_off = pSeries_power_off,
500 .halt = rtas_halt, 528 .halt = rtas_halt,
501 .panic = rtas_os_term, 529 .panic = rtas_os_term,
502 .get_boot_time = rtas_get_boot_time, 530 .get_boot_time = rtas_get_boot_time,
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 34161bc5a02f..d20f02927f72 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -233,14 +233,7 @@ static int __init gfar_of_init(void)
233 goto err; 233 goto err;
234 } 234 }
235 235
236 mac_addr = get_property(np, "local-mac-address", NULL); 236 mac_addr = of_get_mac_address(np);
237 if (mac_addr == NULL)
238 mac_addr = get_property(np, "mac-address", NULL);
239 if (mac_addr == NULL) {
240 /* Obsolete */
241 mac_addr = get_property(np, "address", NULL);
242 }
243
244 if (mac_addr) 237 if (mac_addr)
245 memcpy(gfar_data.mac_addr, mac_addr, 6); 238 memcpy(gfar_data.mac_addr, mac_addr, 6);
246 239
@@ -646,8 +639,9 @@ static int __init fs_enet_of_init(void)
646 goto unreg; 639 goto unreg;
647 } 640 }
648 641
649 mac_addr = get_property(np, "mac-address", NULL); 642 mac_addr = of_get_mac_address(np);
650 memcpy(fs_enet_data.macaddr, mac_addr, 6); 643 if (mac_addr)
644 memcpy(fs_enet_data.macaddr, mac_addr, 6);
651 645
652 ph = get_property(np, "phy-handle", NULL); 646 ph = get_property(np, "phy-handle", NULL);
653 phy = of_find_node_by_phandle(*ph); 647 phy = of_find_node_by_phandle(*ph);
@@ -931,8 +925,9 @@ static int __init fs_enet_of_init(void)
931 goto err; 925 goto err;
932 r[0].name = enet_regs; 926 r[0].name = enet_regs;
933 927
934 mac_addr = (void *)get_property(np, "mac-address", NULL); 928 mac_addr = of_get_mac_address(np);
935 memcpy(fs_enet_data.macaddr, mac_addr, 6); 929 if (mac_addr)
930 memcpy(fs_enet_data.macaddr, mac_addr, 6);
936 931
937 ph = (phandle *) get_property(np, "phy-handle", NULL); 932 ph = (phandle *) get_property(np, "phy-handle", NULL);
938 if (ph != NULL) 933 if (ph != NULL)