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authorKumar Gala <galak@kernel.crashing.org>2007-02-17 08:59:00 -0600
committerKumar Gala <galak@kernel.crashing.org>2007-02-17 08:59:00 -0600
commit6624b35d6250632497c5943faa2ee2a91344d91c (patch)
treef58947a6fd0698ce4626be2a4125e149ea6370ef
parentd71a1dc62b0380ab9c4022dcba02775a791c3d7e (diff)
parentfc7900bb04c4290f3a8e43abf231aee566feff6d (diff)
downloadblackbird-op-linux-6624b35d6250632497c5943faa2ee2a91344d91c.tar.gz
blackbird-op-linux-6624b35d6250632497c5943faa2ee2a91344d91c.zip
Merge branch 'master' into 83xx
-rw-r--r--Documentation/powerpc/booting-without-of.txt9
-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
-rw-r--r--drivers/serial/mpc52xx_uart.c4
-rw-r--r--include/asm-powerpc/prom.h2
11 files changed, 177 insertions, 27 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 1e1abaf83712..b41397d6430a 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -509,7 +509,6 @@ looks like in practice.
o chosen
|- name = "chosen"
|- bootargs = "root=/dev/sda2"
- |- linux,platform = <00000600>
|- linux,phandle = <4>
This tree is almost a minimal tree. It pretty much contains the
@@ -733,8 +732,7 @@ address which can extend beyond that limit.
that typically get driven by the same platform code in the
kernel, you would use a different "model" property but put a
value in "compatible". The kernel doesn't directly use that
- value (see /chosen/linux,platform for how the kernel chooses a
- platform type) but it is generally useful.
+ value but it is generally useful.
The root node is also generally where you add additional properties
specific to your board like the serial number if any, that sort of
@@ -842,11 +840,6 @@ address which can extend beyond that limit.
the prom_init() trampoline when booting with an OF client interface,
but that you have to provide yourself when using the flattened format.
- Required properties:
-
- - linux,platform : This is your platform number as assigned by the
- architecture maintainers
-
Recommended properties:
- bootargs : This zero-terminated string is passed as the kernel
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
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
-CONFIG_BLK_DEV_SL82C105=y
+# CONFIG_BLK_DEV_SL82C105 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
@@ -646,7 +646,7 @@ CONFIG_SATA_SVW=y
# CONFIG_PATA_SIL680 is not set
# CONFIG_PATA_SIS is not set
# CONFIG_PATA_VIA is not set
-# CONFIG_PATA_WINBOND is not set
+CONFIG_PATA_WINBOND=y
#
# 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
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
-CONFIG_BLK_DEV_SL82C105=y
+# CONFIG_BLK_DEV_SL82C105 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
@@ -628,7 +628,7 @@ CONFIG_ATA=y
# CONFIG_PATA_SIL680 is not set
# CONFIG_PATA_SIS is not set
# CONFIG_PATA_VIA is not set
-# CONFIG_PATA_WINBOND is not set
+CONFIG_PATA_WINBOND=y
#
# 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 @@
#include <linux/pci_regs.h>
#include <linux/module.h>
#include <linux/ioport.h>
+#include <linux/etherdevice.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
@@ -1003,3 +1004,42 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
return res;
}
EXPORT_SYMBOL_GPL(of_irq_map_one);
+
+/**
+ * Search the device tree for the best MAC address to use. 'mac-address' is
+ * checked first, because that is supposed to contain to "most recent" MAC
+ * address. If that isn't set, then 'local-mac-address' is checked next,
+ * because that is the default address. If that isn't set, then the obsolete
+ * 'address' is checked, just in case we're using an old device tree.
+ *
+ * Note that the 'address' property is supposed to contain a virtual address of
+ * the register set, but some DTS files have redefined that property to be the
+ * MAC address.
+ *
+ * All-zero MAC addresses are rejected, because those could be properties that
+ * exist in the device tree, but were not set by U-Boot. For example, the
+ * DTS could define 'mac-address' and 'local-mac-address', with zero MAC
+ * addresses. Some older U-Boots only initialized 'local-mac-address'. In
+ * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
+ * but is all zeros.
+*/
+const void *of_get_mac_address(struct device_node *np)
+{
+ struct property *pp;
+
+ pp = of_find_property(np, "mac-address", NULL);
+ if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
+ return pp->value;
+
+ pp = of_find_property(np, "local-mac-address", NULL);
+ if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
+ return pp->value;
+
+ pp = of_find_property(np, "address", NULL);
+ if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
+ return pp->value;
+
+ return NULL;
+}
+EXPORT_SYMBOL(of_get_mac_address);
+
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
obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \
setup.o iommu.o ras.o rtasd.o pci_dlpar.o \
- firmware.o
+ firmware.o power.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_XICS) += xics.o
obj-$(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 @@
+/*
+ * Interface for power-management for ppc64 compliant platform
+ *
+ * Manish Ahuja <mahuja@us.ibm.com>
+ *
+ * Feb 2007
+ *
+ * Copyright (C) 2007 IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kobject.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+
+unsigned long rtas_poweron_auto; /* default and normal state is 0 */
+
+static ssize_t auto_poweron_show(struct subsystem *subsys, char *buf)
+{
+ return sprintf(buf, "%lu\n", rtas_poweron_auto);
+}
+
+static ssize_t
+auto_poweron_store(struct subsystem *subsys, const char *buf, size_t n)
+{
+ int ret;
+ unsigned long ups_restart;
+ ret = sscanf(buf, "%lu", &ups_restart);
+
+ if ((ret == 1) && ((ups_restart == 1) || (ups_restart == 0))){
+ rtas_poweron_auto = ups_restart;
+ return n;
+ }
+ return -EINVAL;
+}
+
+static struct subsys_attribute auto_poweron_attr = {
+ .attr = {
+ .name = __stringify(auto_poweron),
+ .mode = 0644,
+ },
+ .show = auto_poweron_show,
+ .store = auto_poweron_store,
+};
+
+#ifndef CONFIG_PM
+decl_subsys(power,NULL,NULL);
+
+static struct attribute *g[] = {
+ &auto_poweron_attr.attr,
+ NULL,
+};
+
+static struct attribute_group attr_group = {
+ .attrs = g,
+};
+
+static int __init pm_init(void)
+{
+ int error = subsystem_register(&power_subsys);
+ if (!error)
+ error = sysfs_create_group(&power_subsys.kset.kobj,&attr_group);
+ return error;
+}
+core_initcall(pm_init);
+#else
+extern struct subsystem power_subsys;
+
+static int __init apo_pm_init(void)
+{
+ return (subsys_create_file(&power_subsys, &auto_poweron_attr));
+}
+__initcall(apo_pm_init);
+#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) { }
static inline void setup_kexec_cpu_down_mpic(void) { }
#endif
+/* Poweron flag used for enabling auto ups restart */
+extern unsigned long rtas_poweron_auto;
+
#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)
return PCI_PROBE_NORMAL;
}
+/**
+ * pSeries_power_off - tell firmware about how to power off the system.
+ *
+ * This function calls either the power-off rtas token in normal cases
+ * or the ibm,power-off-ups token (if present & requested) in case of
+ * a power failure. If power-off token is used, power on will only be
+ * possible with power button press. If ibm,power-off-ups token is used
+ * it will allow auto poweron after power is restored.
+ */
+void pSeries_power_off(void)
+{
+ int rc;
+ int rtas_poweroff_ups_token = rtas_token("ibm,power-off-ups");
+
+ if (rtas_flash_term_hook)
+ rtas_flash_term_hook(SYS_POWER_OFF);
+
+ if (rtas_poweron_auto == 0 ||
+ rtas_poweroff_ups_token == RTAS_UNKNOWN_SERVICE) {
+ rc = rtas_call(rtas_token("power-off"), 2, 1, NULL, -1, -1);
+ printk(KERN_INFO "RTAS power-off returned %d\n", rc);
+ } else {
+ rc = rtas_call(rtas_poweroff_ups_token, 0, 1, NULL);
+ printk(KERN_INFO "RTAS ibm,power-off-ups returned %d\n", rc);
+ }
+ for (;;);
+}
+
define_machine(pseries) {
.name = "pSeries",
.probe = pSeries_probe,
@@ -496,7 +524,7 @@ define_machine(pseries) {
.pcibios_fixup = pSeries_final_fixup,
.pci_probe_mode = pSeries_pci_probe_mode,
.restart = rtas_restart,
- .power_off = rtas_power_off,
+ .power_off = pSeries_power_off,
.halt = rtas_halt,
.panic = rtas_os_term,
.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)
goto err;
}
- mac_addr = get_property(np, "local-mac-address", NULL);
- if (mac_addr == NULL)
- mac_addr = get_property(np, "mac-address", NULL);
- if (mac_addr == NULL) {
- /* Obsolete */
- mac_addr = get_property(np, "address", NULL);
- }
-
+ mac_addr = of_get_mac_address(np);
if (mac_addr)
memcpy(gfar_data.mac_addr, mac_addr, 6);
@@ -646,8 +639,9 @@ static int __init fs_enet_of_init(void)
goto unreg;
}
- mac_addr = get_property(np, "mac-address", NULL);
- memcpy(fs_enet_data.macaddr, mac_addr, 6);
+ mac_addr = of_get_mac_address(np);
+ if (mac_addr)
+ memcpy(fs_enet_data.macaddr, mac_addr, 6);
ph = get_property(np, "phy-handle", NULL);
phy = of_find_node_by_phandle(*ph);
@@ -931,8 +925,9 @@ static int __init fs_enet_of_init(void)
goto err;
r[0].name = enet_regs;
- mac_addr = (void *)get_property(np, "mac-address", NULL);
- memcpy(fs_enet_data.macaddr, mac_addr, 6);
+ mac_addr = of_get_mac_address(np);
+ if (mac_addr)
+ memcpy(fs_enet_data.macaddr, mac_addr, 6);
ph = (phandle *) get_property(np, "phy-handle", NULL);
if (ph != NULL)
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 955bbd653e22..8d24cd521056 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -995,8 +995,10 @@ mpc52xx_uart_of_remove(struct of_device *op)
struct uart_port *port = dev_get_drvdata(&op->dev);
dev_set_drvdata(&op->dev, NULL);
- if (port)
+ if (port) {
uart_remove_one_port(&mpc52xx_uart_driver, port);
+ irq_dispose_mapping(port->irq);
+ }
return 0;
}
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 0afee17f33b4..020ed015a94b 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -255,6 +255,8 @@ extern void kdump_move_device_tree(void);
/* CPU OF node matching */
struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
+/* Get the MAC address */
+extern const void *of_get_mac_address(struct device_node *np);
/*
* OF interrupt mapping
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