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authorIngo Molnar <mingo@elte.hu>2008-10-19 19:04:47 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-19 19:04:47 +0200
commit3e10e879a8c334a5927d800a3663a24d562cfa31 (patch)
tree5d18bc7e38c986a044e99aa0d0a4aff4931ec7d0 /arch/powerpc/platforms
parent98d9c66ab07471006fd7910cb16453581c41a3e7 (diff)
parent0cfd81031a26717fe14380d18275f8e217571615 (diff)
Merge branch 'linus' into tracing-v28-for-linus-v3
Conflicts: init/main.c kernel/module.c scripts/bootgraph.pl
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/44x/Kconfig42
-rw-r--r--arch/powerpc/platforms/44x/Makefile8
-rw-r--r--arch/powerpc/platforms/44x/bamboo.c62
-rw-r--r--arch/powerpc/platforms/44x/canyonlands.c63
-rw-r--r--arch/powerpc/platforms/44x/katmai.c62
-rw-r--r--arch/powerpc/platforms/44x/ppc44x_simple.c88
-rw-r--r--arch/powerpc/platforms/44x/rainier.c62
-rw-r--r--arch/powerpc/platforms/44x/sequoia.c63
-rw-r--r--arch/powerpc/platforms/44x/taishan.c72
-rw-r--r--arch/powerpc/platforms/512x/Kconfig2
-rw-r--r--arch/powerpc/platforms/512x/mpc5121_ads.c10
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_common.c5
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_pci.c13
-rw-r--r--arch/powerpc/platforms/82xx/Kconfig8
-rw-r--r--arch/powerpc/platforms/82xx/Makefile1
-rw-r--r--arch/powerpc/platforms/82xx/mgcoge.c129
-rw-r--r--arch/powerpc/platforms/83xx/Kconfig5
-rw-r--r--arch/powerpc/platforms/83xx/mpc837x_mds.c8
-rw-r--r--arch/powerpc/platforms/85xx/Kconfig1
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ads.c1
-rw-r--r--arch/powerpc/platforms/85xx/sbc8560.c3
-rw-r--r--arch/powerpc/platforms/86xx/Kconfig9
-rw-r--r--arch/powerpc/platforms/86xx/Makefile1
-rw-r--r--arch/powerpc/platforms/86xx/gef_pic.c258
-rw-r--r--arch/powerpc/platforms/86xx/gef_pic.h11
-rw-r--r--arch/powerpc/platforms/86xx/gef_sbc610.c221
-rw-r--r--arch/powerpc/platforms/86xx/mpc8610_hpcd.c1
-rw-r--r--arch/powerpc/platforms/86xx/mpc86xx_hpcn.c8
-rw-r--r--arch/powerpc/platforms/86xx/sbc8641d.c8
-rw-r--r--arch/powerpc/platforms/8xx/Kconfig6
-rw-r--r--arch/powerpc/platforms/8xx/Makefile1
-rw-r--r--arch/powerpc/platforms/8xx/mgsuvd.c92
-rw-r--r--arch/powerpc/platforms/Kconfig21
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype18
-rw-r--r--arch/powerpc/platforms/cell/iommu.c6
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c13
-rw-r--r--arch/powerpc/platforms/chrp/pci.c4
-rw-r--r--arch/powerpc/platforms/chrp/setup.c1
-rw-r--r--arch/powerpc/platforms/chrp/time.c24
-rw-r--r--arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c1
-rw-r--r--arch/powerpc/platforms/iseries/exception.S23
-rw-r--r--arch/powerpc/platforms/iseries/mf.c26
-rw-r--r--arch/powerpc/platforms/maple/setup.c1
-rw-r--r--arch/powerpc/platforms/maple/time.c24
-rw-r--r--arch/powerpc/platforms/powermac/feature.c2
-rw-r--r--arch/powerpc/platforms/powermac/setup.c1
-rw-r--r--arch/powerpc/platforms/powermac/smp.c4
-rw-r--r--arch/powerpc/platforms/powermac/time.c3
-rw-r--r--arch/powerpc/platforms/ps3/system-bus.c2
-rw-r--r--arch/powerpc/platforms/pseries/cmm.c4
-rw-r--r--arch/powerpc/platforms/pseries/eeh_driver.c2
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c2
-rw-r--r--arch/powerpc/platforms/pseries/reconfig.c6
-rw-r--r--arch/powerpc/platforms/pseries/rtasd.c26
-rw-r--r--arch/powerpc/platforms/pseries/setup.c1
-rw-r--r--arch/powerpc/platforms/pseries/smp.c32
-rw-r--r--arch/powerpc/platforms/pseries/xics.c550
-rw-r--r--arch/powerpc/platforms/pseries/xics.h12
58 files changed, 1315 insertions, 818 deletions
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 249ba01c667..79c1154f88d 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -2,6 +2,7 @@ config BAMBOO
bool "Bamboo"
depends on 44x
default n
+ select PPC44x_SIMPLE
select 440EP
select PCI
help
@@ -30,6 +31,7 @@ config SEQUOIA
bool "Sequoia"
depends on 44x
default n
+ select PPC44x_SIMPLE
select 440EPX
help
This option enables support for the AMCC PPC440EPX evaluation board.
@@ -38,6 +40,7 @@ config TAISHAN
bool "Taishan"
depends on 44x
default n
+ select PPC44x_SIMPLE
select 440GX
select PCI
help
@@ -48,6 +51,7 @@ config KATMAI
bool "Katmai"
depends on 44x
default n
+ select PPC44x_SIMPLE
select 440SPe
select PCI
select PPC4xx_PCI_EXPRESS
@@ -58,6 +62,7 @@ config RAINIER
bool "Rainier"
depends on 44x
default n
+ select PPC44x_SIMPLE
select 440GRX
select PCI
help
@@ -76,20 +81,48 @@ config WARP
See http://www.pikatechnologies.com/ and follow the "PIKA for Computer
Telephony Developers" link for more information.
+config ARCHES
+ bool "Arches"
+ depends on 44x
+ default n
+ select PPC44x_SIMPLE
+ select 460EX # Odd since it uses 460GT but the effects are the same
+ select PCI
+ select PPC4xx_PCI_EXPRESS
+ help
+ This option enables support for the AMCC Dual PPC460GT evaluation board.
+
config CANYONLANDS
bool "Canyonlands"
depends on 44x
default n
+ select PPC44x_SIMPLE
select 460EX
select PCI
select PPC4xx_PCI_EXPRESS
+ select IBM_NEW_EMAC_RGMII
+ select IBM_NEW_EMAC_ZMII
help
This option enables support for the AMCC PPC460EX evaluation board.
+config GLACIER
+ bool "Glacier"
+ depends on 44x
+ default n
+ select PPC44x_SIMPLE
+ select 460EX # Odd since it uses 460GT but the effects are the same
+ select PCI
+ select PPC4xx_PCI_EXPRESS
+ select IBM_NEW_EMAC_RGMII
+ select IBM_NEW_EMAC_ZMII
+ help
+ This option enables support for the AMCC PPC460GT evaluation board.
+
config YOSEMITE
bool "Yosemite"
depends on 44x
default n
+ select PPC44x_SIMPLE
select 440EP
select PCI
help
@@ -127,6 +160,13 @@ config XILINX_VIRTEX440_GENERIC_BOARD
Most Virtex 5 designs should use this unless it needs to do some
special configuration at board probe time.
+config PPC44x_SIMPLE
+ bool "Simple PowerPC 44x board support"
+ depends on 44x
+ default n
+ help
+ This option enables the simple PowerPC 44x platform support.
+
# 44x specific CPU modules, selected based on the board above.
config 440EP
bool
@@ -170,8 +210,6 @@ config 460EX
bool
select PPC_FPU
select IBM_NEW_EMAC_EMAC4
- select IBM_NEW_EMAC_RGMII
- select IBM_NEW_EMAC_ZMII
select IBM_NEW_EMAC_TAH
# 44x errata/workaround config symbols, selected by the CPU models above
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 8d0b1a192d6..698133180ae 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -1,13 +1,7 @@
obj-$(CONFIG_44x) := misc_44x.o idle.o
+obj-$(CONFIG_PPC44x_SIMPLE) += ppc44x_simple.o
obj-$(CONFIG_EBONY) += ebony.o
-obj-$(CONFIG_TAISHAN) += taishan.o
-obj-$(CONFIG_BAMBOO) += bamboo.o
-obj-$(CONFIG_YOSEMITE) += bamboo.o
obj-$(CONFIG_SAM440EP) += sam440ep.o
-obj-$(CONFIG_SEQUOIA) += sequoia.o
-obj-$(CONFIG_KATMAI) += katmai.o
-obj-$(CONFIG_RAINIER) += rainier.o
obj-$(CONFIG_WARP) += warp.o
obj-$(CONFIG_WARP) += warp-nand.o
-obj-$(CONFIG_CANYONLANDS) += canyonlands.o
obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
diff --git a/arch/powerpc/platforms/44x/bamboo.c b/arch/powerpc/platforms/44x/bamboo.c
deleted file mode 100644
index cef169e9515..00000000000
--- a/arch/powerpc/platforms/44x/bamboo.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Bamboo board specific routines
- *
- * Wade Farnsworth <wfarnsworth@mvista.com>
- * Copyright 2004 MontaVista Software Inc.
- *
- * Rewritten and ported to the merged powerpc tree:
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 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; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/init.h>
-#include <linux/of_platform.h>
-
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id bamboo_of_bus[] = {
- { .compatible = "ibm,plb4", },
- { .compatible = "ibm,opb", },
- { .compatible = "ibm,ebc", },
- {},
-};
-
-static int __init bamboo_device_probe(void)
-{
- of_platform_bus_probe(NULL, bamboo_of_bus, NULL);
-
- return 0;
-}
-machine_device_initcall(bamboo, bamboo_device_probe);
-
-static int __init bamboo_probe(void)
-{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "amcc,bamboo"))
- return 0;
-
- ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
- return 1;
-}
-
-define_machine(bamboo) {
- .name = "Bamboo",
- .probe = bamboo_probe,
- .progress = udbg_progress,
- .init_IRQ = uic_init_tree,
- .get_irq = uic_get_irq,
- .restart = ppc4xx_reset_system,
- .calibrate_decr = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/44x/canyonlands.c b/arch/powerpc/platforms/44x/canyonlands.c
deleted file mode 100644
index 3949289f51d..00000000000
--- a/arch/powerpc/platforms/44x/canyonlands.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Canyonlands board specific routines
- *
- * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
- *
- * Based on the Katmai code by
- * Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * Copyright 2007 IBM Corp.
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 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; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/init.h>
-#include <linux/of_platform.h>
-
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id canyonlands_of_bus[] = {
- { .compatible = "ibm,plb4", },
- { .compatible = "ibm,opb", },
- { .compatible = "ibm,ebc", },
- {},
-};
-
-static int __init canyonlands_device_probe(void)
-{
- of_platform_bus_probe(NULL, canyonlands_of_bus, NULL);
-
- return 0;
-}
-machine_device_initcall(canyonlands, canyonlands_device_probe);
-
-static int __init canyonlands_probe(void)
-{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "amcc,canyonlands"))
- return 0;
-
- ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
- return 1;
-}
-
-define_machine(canyonlands) {
- .name = "Canyonlands",
- .probe = canyonlands_probe,
- .progress = udbg_progress,
- .init_IRQ = uic_init_tree,
- .get_irq = uic_get_irq,
- .restart = ppc4xx_reset_system,
- .calibrate_decr = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/44x/katmai.c b/arch/powerpc/platforms/44x/katmai.c
deleted file mode 100644
index 44f4b3a00ce..00000000000
--- a/arch/powerpc/platforms/44x/katmai.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Katmai board specific routines
- *
- * Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * Copyright 2007 IBM Corp.
- *
- * Based on the Bamboo code by
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 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; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/init.h>
-#include <linux/of_platform.h>
-
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id katmai_of_bus[] = {
- { .compatible = "ibm,plb4", },
- { .compatible = "ibm,opb", },
- { .compatible = "ibm,ebc", },
- {},
-};
-
-static int __init katmai_device_probe(void)
-{
- of_platform_bus_probe(NULL, katmai_of_bus, NULL);
-
- return 0;
-}
-machine_device_initcall(katmai, katmai_device_probe);
-
-static int __init katmai_probe(void)
-{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "amcc,katmai"))
- return 0;
-
- ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
- return 1;
-}
-
-define_machine(katmai) {
- .name = "Katmai",
- .probe = katmai_probe,
- .progress = udbg_progress,
- .init_IRQ = uic_init_tree,
- .get_irq = uic_get_irq,
- .restart = ppc4xx_reset_system,
- .calibrate_decr = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c
new file mode 100644
index 00000000000..29671262801
--- /dev/null
+++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
@@ -0,0 +1,88 @@
+/*
+ * Generic PowerPC 44x platform support
+ *
+ * Copyright 2008 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 implements simple platform support for PowerPC 44x chips. This is
+ * mostly used for eval boards or other simple and "generic" 44x boards. If
+ * your board has custom functions or hardware, then you will likely want to
+ * implement your own board.c file to accommodate it.
+ */
+
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc4xx.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/udbg.h>
+#include <asm/uic.h>
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+static __initdata struct of_device_id ppc44x_of_bus[] = {
+ { .compatible = "ibm,plb4", },
+ { .compatible = "ibm,opb", },
+ { .compatible = "ibm,ebc", },
+ { .compatible = "simple-bus", },
+ {},
+};
+
+static int __init ppc44x_device_probe(void)
+{
+ of_platform_bus_probe(NULL, ppc44x_of_bus, NULL);
+
+ return 0;
+}
+machine_device_initcall(ppc44x_simple, ppc44x_device_probe);
+
+/* This is the list of boards that can be supported by this simple
+ * platform code. This does _not_ mean the boards are compatible,
+ * as they most certainly are not from a device tree perspective.
+ * However, their differences are handled by the device tree and the
+ * drivers and therefore they don't need custom board support files.
+ *
+ * Again, if your board needs to do things differently then create a
+ * board.c file for it rather than adding it to this list.
+ */
+static char *board[] __initdata = {
+ "amcc,arches",
+ "amcc,bamboo",
+ "amcc,canyonlands",
+ "amcc,glacier",
+ "ibm,ebony",
+ "amcc,katmai",
+ "amcc,rainier",
+ "amcc,sequoia",
+ "amcc,taishan",
+ "amcc,yosemite"
+};
+
+static int __init ppc44x_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+ int i = 0;
+
+ for (i = 0; i < ARRAY_SIZE(board); i++) {
+ if (of_flat_dt_is_compatible(root, board[i])) {
+ ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+define_machine(ppc44x_simple) {
+ .name = "PowerPC 44x Platform",
+ .probe = ppc44x_probe,
+ .progress = udbg_progress,
+ .init_IRQ = uic_init_tree,
+ .get_irq = uic_get_irq,
+ .restart = ppc4xx_reset_system,
+ .calibrate_decr = generic_calibrate_decr,
+};
diff --git a/arch/powerpc/platforms/44x/rainier.c b/arch/powerpc/platforms/44x/rainier.c
deleted file mode 100644
index 4f1ff84c4b6..00000000000
--- a/arch/powerpc/platforms/44x/rainier.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Rainier board specific routines
- *
- * Valentine Barshak <vbarshak@ru.mvista.com>
- * Copyright 2007 MontaVista Software Inc.
- *
- * Based on the Bamboo code by
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 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; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/init.h>
-#include <linux/of_platform.h>
-
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id rainier_of_bus[] = {
- { .compatible = "ibm,plb4", },
- { .compatible = "ibm,opb", },
- { .compatible = "ibm,ebc", },
- {},
-};
-
-static int __init rainier_device_probe(void)
-{
- of_platform_bus_probe(NULL, rainier_of_bus, NULL);
-
- return 0;
-}
-machine_device_initcall(rainier, rainier_device_probe);
-
-static int __init rainier_probe(void)
-{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "amcc,rainier"))
- return 0;
-
- ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
- return 1;
-}
-
-define_machine(rainier) {
- .name = "Rainier",
- .probe = rainier_probe,
- .progress = udbg_progress,
- .init_IRQ = uic_init_tree,
- .get_irq = uic_get_irq,
- .restart = ppc4xx_reset_system,
- .calibrate_decr = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/44x/sequoia.c b/arch/powerpc/platforms/44x/sequoia.c
deleted file mode 100644
index 49eb73daacd..00000000000
--- a/arch/powerpc/platforms/44x/sequoia.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Sequoia board specific routines
- *
- * Valentine Barshak <vbarshak@ru.mvista.com>
- * Copyright 2007 MontaVista Software Inc.
- *
- * Based on the Bamboo code by
- * Josh Boyer <jwboyer@linux.vnet.ibm.com>
- * Copyright 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; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/init.h>
-#include <linux/of_platform.h>
-
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id sequoia_of_bus[] = {
- { .compatible = "ibm,plb4", },
- { .compatible = "ibm,opb", },
- { .compatible = "ibm,ebc", },
- {},
-};
-
-static int __init sequoia_device_probe(void)
-{
- of_platform_bus_probe(NULL, sequoia_of_bus, NULL);
-
- return 0;
-}
-machine_device_initcall(sequoia, sequoia_device_probe);
-
-static int __init sequoia_probe(void)
-{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "amcc,sequoia"))
- return 0;
-
- ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
- return 1;
-}
-
-define_machine(sequoia) {
- .name = "Sequoia",
- .probe = sequoia_probe,
- .progress = udbg_progress,
- .init_IRQ = uic_init_tree,
- .get_irq = uic_get_irq,
- .restart = ppc4xx_reset_system,
- .calibrate_decr = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/44x/taishan.c b/arch/powerpc/platforms/44x/taishan.c
deleted file mode 100644
index 49c78b2098b..00000000000
--- a/arch/powerpc/platforms/44x/taishan.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Taishan board specific routines based off ebony.c code
- * original copyrights below
- *
- * Matt Porter <mporter@kernel.crashing.org>
- * Copyright 2002-2005 MontaVista Software Inc.
- *
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- * Copyright (c) 2003-2005 Zultys Technologies
- *
- * Rewritten and ported to the merged powerpc tree:
- * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
- *
- * Modified from ebony.c for taishan:
- * Copyright 2007 Hugh Blemings <hugh@au.ibm.com>, 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; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/of_platform.h>
-
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/udbg.h>
-#include <asm/time.h>
-#include <asm/uic.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc4xx.h>
-
-static __initdata struct of_device_id taishan_of_bus[] = {
- { .compatible = "ibm,plb4", },
- { .compatible = "ibm,opb", },
- { .compatible = "ibm,ebc", },
- {},
-};
-
-static int __init taishan_device_probe(void)
-{
- of_platform_bus_probe(NULL, taishan_of_bus, NULL);
-
- return 0;
-}
-machine_device_initcall(taishan, taishan_device_probe);
-
-/*
- * Called very early, MMU is off, device-tree isn't unflattened
- */
-static int __init taishan_probe(void)
-{
- unsigned long root = of_get_flat_dt_root();
-
- if (!of_flat_dt_is_compatible(root, "amcc,taishan"))
- return 0;
-
- ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
-
- return 1;
-}
-
-define_machine(taishan) {
- .name = "Taishan",
- .probe = taishan_probe,
- .progress = udbg_progress,
- .init_IRQ = uic_init_tree,
- .get_irq = uic_get_irq,
- .restart = ppc4xx_reset_system,
- .calibrate_decr = generic_calibrate_decr,
-};
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index c62f893ede1..326852c78b8 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -3,6 +3,8 @@ config PPC_MPC512x
select FSL_SOC
select IPIC
select PPC_CLOCK
+ select PPC_PCI_CHOICE
+ select FSL_PCI if PCI
config PPC_MPC5121
bool
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c
index 5ebf6939a69..441abc48885 100644
--- a/arch/powerpc/platforms/512x/mpc5121_ads.c
+++ b/arch/powerpc/platforms/512x/mpc5121_ads.c
@@ -22,16 +22,26 @@
#include <asm/prom.h>
#include <asm/time.h>
+#include <sysdev/fsl_pci.h>
+
#include "mpc512x.h"
#include "mpc5121_ads.h"
static void __init mpc5121_ads_setup_arch(void)
{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+#endif
printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
/*
* cpld regs are needed early
*/
mpc5121_ads_cpld_map();
+
+#ifdef CONFIG_PCI
+ for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
+ mpc83xx_add_bridge(np);
+#endif
}
static void __init mpc5121_ads_init_IRQ(void)
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 4d5fd1dbd40..044b4e6e874 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -90,7 +90,7 @@ mpc5200_setup_xlb_arbiter(void)
of_node_put(np);
if (!xlb) {
printk(KERN_ERR __FILE__ ": "
- "Error mapping XLB in mpc52xx_setup_cpu(). "
+ "Error mapping XLB in mpc52xx_setup_cpu(). "
"Expect some abnormal behavior\n");
return;
}
@@ -216,7 +216,8 @@ mpc52xx_restart(char *cmd)
out_be32(&mpc52xx_wdt->count, 0x000000ff);
out_be32(&mpc52xx_wdt->mode, 0x00009004);
} else
- printk("mpc52xx_restart: Can't access wdt. "
+ printk(KERN_ERR __FILE__ ": "
+ "mpc52xx_restart: Can't access wdt. "
"Restart impossible, system halted.\n");
while (1);
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
index 5a382bb15f6..b49a1852766 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
@@ -265,8 +265,11 @@ mpc52xx_pci_setup(struct pci_controller *hose,
/* Memory windows */
res = &hose->mem_resources[0];
if (res->flags) {
- pr_debug("mem_resource[0] = {.start=%x, .end=%x, .flags=%lx}\n",
- res->start, res->end, res->flags);
+ pr_debug("mem_resource[0] = "
+ "{.start=%llx, .end=%llx, .flags=%llx}\n",
+ (unsigned long long)res->start,
+ (unsigned long long)res->end,
+ (unsigned long long)res->flags);
out_be32(&pci_regs->iw0btar,
MPC52xx_PCI_IWBTAR_TRANSLATION(res->start, res->start,
res->end - res->start + 1));
@@ -297,9 +300,11 @@ mpc52xx_pci_setup(struct pci_controller *hose,
printk(KERN_ERR "%s: Didn't find IO resources\n", __FILE__);
return;
}
- pr_debug(".io_resource={.start=%x,.end=%x,.flags=%lx} "
+ pr_debug(".io_resource={.start=%llx,.end=%llx,.flags=%llx} "
".io_base_phys=0x%p\n",
- res->start, res->end, res->flags, (void*)hose->io_base_phys);
+ (unsigned long long)res->start,
+ (unsigned long long)res->end,
+ (unsigned long long)res->flags, (void*)hose->io_base_phys);
out_be32(&pci_regs->iw2btar,
MPC52xx_PCI_IWBTAR_TRANSLATION(hose->io_base_phys,
res->start,
diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig
index 75eb1ede549..30f008b2f92 100644
--- a/arch/powerpc/platforms/82xx/Kconfig
+++ b/arch/powerpc/platforms/82xx/Kconfig
@@ -38,6 +38,14 @@ config EP8248E
This board is also resold by Freescale as the QUICCStart
MPC8248 Evaluation System and/or the CWH-PPC-8248N-VE.
+config MGCOGE
+ bool "Keymile MGCOGE"
+ select 8272
+ select 8260
+ select FSL_SOC
+ help
+ This enables support for the Keymile MGCOGE board.
+
endif
config PQ2ADS
diff --git a/arch/powerpc/platforms/82xx/Makefile b/arch/powerpc/platforms/82xx/Makefile
index 6cd5cd59bf2..d982793f4db 100644
--- a/arch/powerpc/platforms/82xx/Makefile
+++ b/arch/powerpc/platforms/82xx/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_CPM2) += pq2.o
obj-$(CONFIG_PQ2_ADS_PCI_PIC) += pq2ads-pci-pic.o
obj-$(CONFIG_PQ2FADS) += pq2fads.o
obj-$(CONFIG_EP8248E) += ep8248e.o
+obj-$(CONFIG_MGCOGE) += mgcoge.o
diff --git a/arch/powerpc/platforms/82xx/mgcoge.c b/arch/powerpc/platforms/82xx/mgcoge.c
new file mode 100644
index 00000000000..c2af169c1d1
--- /dev/null
+++ b/arch/powerpc/platforms/82xx/mgcoge.c
@@ -0,0 +1,129 @@
+/*
+ * Keymile mgcoge support
+ * Copyright 2008 DENX Software Engineering GmbH
+ * Author: Heiko Schocher <hs@denx.de>
+ *
+ * based on code from:
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/fsl_devices.h>
+#include <linux/of_platform.h>
+
+#include <asm/io.h>
+#include <asm/cpm2.h>
+#include <asm/udbg.h>
+#include <asm/machdep.h>
+#include <asm/time.h>
+#include <asm/mpc8260.h>
+#include <asm/prom.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/cpm2_pic.h>
+
+#include "pq2.h"
+
+static void __init mgcoge_pic_init(void)
+{
+ struct device_node *np = of_find_compatible_node(NULL, NULL, "fsl,pq2-pic");
+ if (!np) {
+ printk(KERN_ERR "PIC init: can not find cpm-pic node\n");
+ return;
+ }
+
+ cpm2_pic_init(np);
+ of_node_put(np);
+}
+
+struct cpm_pin {
+ int port, pin, flags;
+};
+
+static __initdata struct cpm_pin mgcoge_pins[] = {
+
+ /* SMC2 */
+ {1, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+ {1, 9, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+
+ /* SCC4 */
+ {3, 25, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+ {3, 24, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+ {3, 9, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+ {3, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+ {4, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+ {4, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+};
+
+static void __init init_ioports(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mgcoge_pins); i++) {
+ const struct cpm_pin *pin = &mgcoge_pins[i];
+ cpm2_set_pin(pin->port - 1, pin->pin, pin->flags);
+ }
+
+ cpm2_smc_clk_setup(CPM_CLK_SMC2, CPM_BRG8);
+ cpm2_clk_setup(CPM_CLK_SCC4, CPM_CLK7, CPM_CLK_RX);
+ cpm2_clk_setup(CPM_CLK_SCC4, CPM_CLK8, CPM_CLK_TX);
+}
+
+static void __init mgcoge_setup_arch(void)
+{
+ if (ppc_md.progress)
+ ppc_md.progress("mgcoge_setup_arch()", 0);
+
+ cpm2_reset();
+
+ /* When this is set, snooping CPM DMA from RAM causes
+ * machine checks. See erratum SIU18.
+ */
+ clrbits32(&cpm2_immr->im_siu_conf.siu_82xx.sc_bcr, MPC82XX_BCR_PLDP);
+
+ init_ioports();
+
+ if (ppc_md.progress)
+ ppc_md.progress("mgcoge_setup_arch(), finish", 0);
+}
+
+static __initdata struct of_device_id of_bus_ids[] = {
+ { .compatible = "simple-bus", },
+ {},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+ return 0;
+}
+machine_device_initcall(mgcoge, declare_of_platform_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mgcoge_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+ return of_flat_dt_is_compatible(root, "keymile,mgcoge");
+}
+
+define_machine(mgcoge)
+{
+ .name = "Keymile MGCOGE",
+ .probe = mgcoge_probe,
+ .setup_arch = mgcoge_setup_arch,
+ .init_IRQ = mgcoge_pic_init,
+ .get_irq = cpm2_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+ .restart = pq2_restart,
+ .progress = udbg_progress,
+};
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 6159c5d4e5f..83c664afc89 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -19,7 +19,6 @@ config MPC831x_RDB
config MPC832x_MDS
bool "Freescale MPC832x MDS"
select DEFAULT_UIMAGE
- select QUICC_ENGINE
select PPC_MPC832x
help
This option enables support for the MPC832x MDS evaluation board.
@@ -27,7 +26,6 @@ config MPC832x_MDS
config MPC832x_RDB
bool "Freescale MPC832x RDB"
select DEFAULT_UIMAGE
- select QUICC_ENGINE
select PPC_MPC832x
help
This option enables support for the MPC8323 RDB board.
@@ -57,15 +55,12 @@ config MPC834x_ITX
config MPC836x_MDS
bool "Freescale MPC836x MDS"
select DEFAULT_UIMAGE
- select QUICC_ENGINE
help
This option enables support for the MPC836x MDS Processor Board.
config MPC836x_RDK
bool "Freescale/Logic MPC836x RDK"
select DEFAULT_UIMAGE
- select QUICC_ENGINE
- select QE_GPIO
select FSL_GTM
select FSL_LBC
help
diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
index be62de23bea..8bb13c80714 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -85,8 +85,14 @@ static void __init mpc837x_mds_setup_arch(void)
ppc_md.progress("mpc837x_mds_setup_arch()", 0);
#ifdef CONFIG_PCI
- for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
+ for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") {
+ if (!of_device_is_available(np)) {
+ pr_warning("%s: disabled by the firmware.\n",
+ np->full_name);
+ continue;
+ }
mpc83xx_add_bridge(np);
+ }
#endif
mpc837xmds_usb_cfg();
}
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 291675b0097..b79dc710ed3 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -33,7 +33,6 @@ config MPC85xx_CDS
config MPC85xx_MDS
bool "Freescale MPC85xx MDS"
select DEFAULT_UIMAGE
- select QUICC_ENGINE
select PHYLIB
help
This option enables support for the MPC85xx MDS board
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index d17807a6b89..0293e3d3580 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -213,7 +213,6 @@ static void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
svid = mfspr(SPRN_SVR);
seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
- seq_printf(m, "Machine\t\t: mpc85xx\n");
seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c
index 6509ade7166..0c9a856f66b 100644
--- a/arch/powerpc/platforms/85xx/sbc8560.c
+++ b/arch/powerpc/platforms/85xx/sbc8560.c
@@ -156,7 +156,7 @@ static void __init init_ioports(void)
int i;
for (i = 0; i < ARRAY_SIZE(sbc8560_pins); i++) {
- struct cpm_pin *pin = &sbc8560_pins[i];
+ const struct cpm_pin *pin = &sbc8560_pins[i];
cpm2_set_pin(pin->port, pin->pin, pin->flags);
}
@@ -200,7 +200,6 @@ static void sbc8560_show_cpuinfo(struct seq_file *m)
svid = mfspr(SPRN_SVR);
seq_printf(m, "Vendor\t\t: Wind River\n");
- seq_printf(m, "Machine\t\t: SBC8560\n");
seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 9355a526943..77dd797a258 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -31,6 +31,13 @@ config MPC8610_HPCD
help
This option enables support for the MPC8610 HPCD board.
+config GEF_SBC610
+ bool "GE Fanuc SBC610"
+ select DEFAULT_UIMAGE
+ select HAS_RAPIDIO
+ help
+ This option enables support for GE Fanuc's SBC610.
+
endif
config MPC8641
@@ -39,7 +46,7 @@ config MPC8641
select FSL_PCI if PCI
select PPC_UDBG_16550
select MPIC
- default y if MPC8641_HPCN || SBC8641D
+ default y if MPC8641_HPCN || SBC8641D || GEF_SBC610
config MPC8610
bool
diff --git a/arch/powerpc/platforms/86xx/Makefile b/arch/powerpc/platforms/86xx/Makefile
index 8fee37dec79..4a56ff619af 100644
--- a/arch/powerpc/platforms/86xx/Makefile
+++ b/arch/powerpc/platforms/86xx/Makefile
@@ -7,3 +7,4 @@ obj-$(CONFIG_SMP) += mpc86xx_smp.o
obj-$(CONFIG_MPC8641_HPCN) += mpc86xx_hpcn.o
obj-$(CONFIG_SBC8641D) += sbc8641d.o
obj-$(CONFIG_MPC8610_HPCD) += mpc8610_hpcd.o
+obj-$(CONFIG_GEF_SBC610) += gef_sbc610.o gef_pic.o
diff --git a/arch/powerpc/platforms/86xx/gef_pic.c b/arch/powerpc/platforms/86xx/gef_pic.c
new file mode 100644
index 00000000000..50d0a2b6380
--- /dev/null
+++ b/arch/powerpc/platforms/86xx/gef_pic.c
@@ -0,0 +1,258 @@
+/*
+ * Interrupt handling for GE Fanuc's FPGA based PIC
+ *
+ * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ *
+ * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+
+#include <asm/byteorder.h>
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/irq.h>
+
+#include "gef_pic.h"
+
+#define DEBUG
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(fmt...) do { printk(KERN_DEBUG "gef_pic: " fmt); } while (0)
+#else
+#define DBG(fmt...) do { } while (0)
+#endif
+
+#define GEF_PIC_NUM_IRQS 32
+
+/* Interrupt Controller Interface Registers */
+#define GEF_PIC_INTR_STATUS 0x0000
+
+#define GEF_PIC_INTR_MASK(cpu) (0x0010 + (0x4 * cpu))
+#define GEF_PIC_CPU0_INTR_MASK GEF_PIC_INTR_MASK(0)
+#define GEF_PIC_CPU1_INTR_MASK GEF_PIC_INTR_MASK(1)
+
+#define GEF_PIC_MCP_MASK(cpu) (0x0018 + (0x4 * cpu))
+#define GEF_PIC_CPU0_MCP_MASK GEF_PIC_MCP_MASK(0)
+#define GEF_PIC_CPU1_MCP_MASK GEF_PIC_MCP_MASK(1)
+
+#define gef_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq)
+
+
+static DEFINE_SPINLOCK(gef_pic_lock);
+
+static void __iomem *gef_pic_irq_reg_base;
+static struct irq_host *gef_pic_irq_host;
+static int gef_pic_cascade_irq;
+
+/*
+ * Interrupt Controller Handling
+ *
+ * The interrupt controller handles interrupts for most on board interrupts,
+ * apart from PCI interrupts. For example on SBC610:
+ *
+ * 17:31 RO Reserved
+ * 16 RO PCI Express Doorbell 3 Status
+ * 15 RO PCI Express Doorbell 2 Status
+ * 14 RO PCI Express Doorbell 1 Status
+ * 13 RO PCI Express Doorbell 0 Status
+ * 12 RO Real Time Clock Interrupt Status
+ * 11 RO Temperature Interrupt Status
+ * 10 RO Temperature Critical Interrupt Status
+ * 9 RO Ethernet PHY1 Interrupt Status
+ * 8 RO Ethernet PHY3 Interrupt Status
+ * 7 RO PEX8548 Interrupt Status
+ * 6 RO Reserved
+ * 5 RO Watchdog 0 Interrupt Status
+ * 4 RO Watchdog 1 Interrupt Status
+ * 3 RO AXIS Message FIFO A Interrupt Status
+ * 2 RO AXIS Message FIFO B Interrupt Status
+ * 1 RO AXIS Message FIFO C Interrupt Status
+ * 0 RO AXIS Message FIFO D Interrupt Status
+ *
+ * Interrupts can be forwarded to one of two output lines. Nothing
+ * clever is done, so if the masks are incorrectly set, a single input
+ * interrupt could generate interrupts on both output lines!
+ *
+ * The dual lines are there to allow the chained interrupts to be easily
+ * passed into two different cores. We currently do not use this functionality
+ * in this driver.
+ *
+ * Controller can also be configured to generate Machine checks (MCP), again on
+ * two lines, to be attached to two different cores. It is suggested that these
+ * should be masked out.
+ */
+
+void gef_pic_cascade(unsigned int irq, struct irq_desc *desc)
+{
+ unsigned int cascade_irq;
+
+ /*
+ * See if we actually have an interrupt, call generic handling code if
+ * we do.
+ */
+ cascade_irq = gef_pic_get_irq();
+
+ if (cascade_irq != NO_IRQ)
+ generic_handle_irq(cascade_irq);
+
+ desc->chip->eoi(irq);
+
+}
+
+static void gef_pic_mask(unsigned int virq)
+{
+ unsigned long flags;
+ unsigned int hwirq;
+ u32 mask;
+
+ hwirq = gef_irq_to_hw(virq);
+
+ spin_lock_irqsave(&gef_pic_lock, flags);
+ mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
+ mask &= ~(1 << hwirq);
+ out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
+ spin_unlock_irqrestore(&gef_pic_lock, flags);
+}
+
+static void gef_pic_mask_ack(unsigned int virq)
+{
+ /* Don't think we actually have to do anything to ack an interrupt,
+ * we just need to clear down the devices interrupt and it will go away
+ */
+ gef_pic_mask(virq);
+}
+
+static void gef_pic_unmask(unsigned int virq)
+{
+ unsigned long flags;
+ unsigned int hwirq;
+ u32 mask;
+
+ hwirq = gef_irq_to_hw(virq);
+
+ spin_lock_irqsave(&gef_pic_lock, flags);
+ mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
+ mask |= (1 << hwirq);
+ out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
+ spin_unlock_irqrestore(&gef_pic_lock, flags);
+}
+
+static struct irq_chip gef_pic_chip = {
+ .typename = "gefp",
+ .mask = gef_pic_mask,
+ .mask_ack = gef_pic_mask_ack,
+ .unmask = gef_pic_unmask,
+};
+
+
+/* When an interrupt is being configured, this call allows some flexibilty
+ * in deciding which irq_chip structure is used
+ */
+static int gef_pic_host_map(struct irq_host *h, unsigned int virq,
+ irq_hw_number_t hwirq)
+{
+ /* All interrupts are LEVEL sensitive */
+ get_irq_desc(virq)->status |= IRQ_LEVEL;
+ set_irq_chip_and_handler(virq, &gef_pic_chip, handle_level_irq);
+
+ return 0;
+}
+
+static int gef_pic_host_xlate(struct irq_host *h, struct device_node *ct,
+ u32 *intspec, unsigned int intsize,
+ irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+{
+
+ *out_hwirq = intspec[0];
+ if (intsize > 1)
+ *out_flags = intspec[1];
+ else
+ *out_flags = IRQ_TYPE_LEVEL_HIGH;
+
+ return 0;
+}
+
+static struct irq_host_ops gef_pic_host_ops = {
+ .map = gef_pic_host_map,
+ .xlate = gef_pic_host_xlate,
+};
+
+
+/*
+ * Initialisation of PIC, this should be called in BSP
+ */
+void __init gef_pic_init(struct device_node *np)
+{
+ unsigned long flags;
+
+ /* Map the devices registers into memory */
+ gef_pic_irq_reg_base = of_iomap(np, 0);
+
+ spin_lock_irqsave(&gef_pic_lock, flags);
+
+ /* Initialise everything as masked. */
+ out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_INTR_MASK, 0);
+ out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_INTR_MASK, 0);
+
+ out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_MCP_MASK, 0);
+ out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_MCP_MASK, 0);
+
+ spin_unlock_irqrestore(&gef_pic_lock, flags);
+
+ /* Map controller */
+ gef_pic_cascade_irq = irq_of_parse_and_map(np, 0);
+ if (gef_pic_cascade_irq == NO_IRQ) {
+ printk(KERN_ERR "SBC610: failed to map cascade interrupt");
+ return;
+ }
+
+ /* Setup an irq_host structure */
+ gef_pic_irq_host = irq_alloc_host(np, IRQ_HOST_MAP_LINEAR,
+ GEF_PIC_NUM_IRQS,
+ &gef_pic_host_ops, NO_IRQ);
+ if (gef_pic_irq_host == NULL)
+ return;
+
+ /* Chain with parent controller */
+ set_irq_chained_handler(gef_pic_cascade_irq, gef_pic_cascade);
+}
+
+/*
+ * This is called when we receive an interrupt with apparently comes from this
+ * chip - check, returning the highest interrupt generated or return NO_IRQ
+ */
+unsigned int gef_pic_get_irq(void)
+{
+ u32 cause, mask, active;
+ unsigned int virq = NO_IRQ;
+ int hwirq;
+
+ cause = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_STATUS);
+
+ mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
+
+ active = cause & mask;
+
+ if (active) {
+ for (hwirq = GEF_PIC_NUM_IRQS - 1; hwirq > -1; hwirq--) {
+ if (active & (0x1 << hwirq))
+ break;
+ }
+ virq = irq_linear_revmap(gef_pic_irq_host,
+ (irq_hw_number_t)hwirq);
+ }
+
+ return virq;
+}
+
diff --git a/arch/powerpc/platforms/86xx/gef_pic.h b/arch/powerpc/platforms/86xx/gef_pic.h
new file mode 100644
index 00000000000..6149916da3f
--- /dev/null
+++ b/arch/powerpc/platforms/86xx/gef_pic.h
@@ -0,0 +1,11 @@
+#ifndef __GEF_PIC_H__
+#define __GEF_PIC_H__
+
+#include <linux/init.h>
+
+void gef_pic_cascade(unsigned int, struct irq_desc *);
+unsigned int gef_pic_get_irq(void);
+void gef_pic_init(struct device_node *);
+
+#endif /* __GEF_PIC_H__ */
+
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
new file mode 100644
index 00000000000..821c45fac18
--- /dev/null
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -0,0 +1,221 @@
+/*
+ * GE Fanuc SBC610 board support
+ *
+ * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ *
+ * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Based on: mpc86xx_hpcn.c (MPC86xx HPCN board specific routines)
+ * Copyright 2006 Freescale Semiconductor Inc.
+ *
+ * NEC fixup adapted from arch/mips/pci/fixup-lm2e.c
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/mpc86xx.h>
+#include <asm/prom.h>
+#include <mm/mmu_decl.h>
+#include <asm/udbg.h>
+
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_pci.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc86xx.h"
+#include "gef_pic.h"
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG (fmt...) do { printk(KERN_ERR "SBC610: " fmt); } while (0)
+#else
+#define DBG (fmt...) do { } while (0)
+#endif
+
+void __iomem *sbc610_regs;
+
+static void __init gef_sbc610_init_irq(void)
+{
+ struct device_node *cascade_node = NULL;
+
+ mpc86xx_init_irq();
+
+ /*
+ * There is a simple interrupt handler in the main FPGA, this needs
+ * to be cascaded into the MPIC
+ */
+ cascade_node = of_find_compatible_node(NULL, NULL, "gef,fpga-pic");
+ if (!cascade_node) {
+ printk(KERN_WARNING "SBC610: No FPGA PIC\n");
+ return;
+ }
+
+ gef_pic_init(cascade_node);
+ of_node_put(cascade_node);
+}
+
+static void __init gef_sbc610_setup_arch(void)
+{
+ struct device_node *regs;
+#ifdef CONFIG_PCI
+ struct device_node *np;
+
+ for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") {
+ fsl_add_bridge(np, 1);
+ }
+#endif
+
+ printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC610 6U VPX SBC\n");
+
+#ifdef CONFIG_SMP
+ mpc86xx_smp_init();
+#endif
+
+ /* Remap basic board registers */
+ regs = of_find_compatible_node(NULL, NULL, "gef,fpga-regs");
+ if (regs) {
+ sbc610_regs = of_iomap(regs, 0);
+ if (sbc610_regs == NULL)
+ printk(KERN_WARNING "Unable to map board registers\n");
+ of_node_put(regs);
+ }
+}
+
+/* Return the PCB revision */
+static unsigned int gef_sbc610_get_pcb_rev(void)
+{
+ unsigned int reg;
+
+ reg = ioread32(sbc610_regs);
+ return (reg >> 8) & 0xff;
+}
+
+/* Return the board (software) revision */
+static unsigned int gef_sbc610_get_board_rev(void)
+{
+ unsigned int reg;
+
+ reg = ioread32(sbc610_regs);
+ return (reg >> 16) & 0xff;
+}
+
+/* Return the FPGA revision */
+static unsigned int gef_sbc610_get_fpga_rev(void)
+{
+ unsigned int reg;
+
+ reg = ioread32(sbc610_regs);
+ return (reg >> 24) & 0xf;
+}
+
+static void gef_sbc610_show_cpuinfo(struct seq_file *m)
+{
+ uint memsize = total_memory;
+ uint svid = mfspr(SPRN_SVR);
+
+ seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
+
+ seq_printf(m, "Revision\t: %u%c\n", gef_sbc610_get_pcb_rev(),
+ ('A' + gef_sbc610_get_board_rev() - 1));
+ seq_printf(m, "FPGA Revision\t: %u\n", gef_sbc610_get_fpga_rev());
+
+ seq_printf(m, "SVR\t\t: 0x%x\n", svid);
+ seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
+}
+
+static void __init gef_sbc610_nec_fixup(struct pci_dev *pdev)
+{
+ unsigned int val;
+
+ printk(KERN_INFO "Running NEC uPD720101 Fixup\n");
+
+ /* Ensure ports 1, 2, 3, 4 & 5 are enabled */
+ pci_read_config_dword(pdev, 0xe0, &val);
+ pci_write_config_dword(pdev, 0xe0, (val & ~7) | 0x5);
+
+ /* System clock is 48-MHz Oscillator and EHCI Enabled. */
+ pci_write_config_dword(pdev, 0xe4, 1 << 5);
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB,
+ gef_sbc610_nec_fixup);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ *
+ * This function is called to determine whether the BSP is compatible with the
+ * supplied device-tree, which is assumed to be the correct one for the actual
+ * board. It is expected thati, in the future, a kernel may support multiple
+ * boards.
+ */
+static int __init gef_sbc610_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (of_flat_dt_is_compatible(root, "gef,sbc610"))
+ return 1;
+
+ return 0;
+}
+
+static long __init mpc86xx_time_init(void)
+{
+ unsigned int temp;
+
+ /* Set the time base to zero */
+ mtspr(SPRN_TBWL, 0);
+ mtspr(SPRN_TBWU, 0);
+
+ temp = mfspr(SPRN_HID0);
+ temp |= HID0_TBEN;
+ mtspr(SPRN_HID0, temp);
+ asm volatile("isync");
+
+ return 0;
+}
+
+static __initdata struct of_device_id of_bus_ids[] = {
+ { .compatible = "simple-bus", },
+ {},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+ printk(KERN_DEBUG "Probe platform devices\n");
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+ return 0;
+}
+machine_device_initcall(gef_sbc610, declare_of_platform_devices);
+
+define_machine(gef_sbc610) {
+ .name = "GE Fanuc SBC610",
+ .probe = gef_sbc610_probe,
+ .setup_arch = gef_sbc610_setup_arch,
+ .init_IRQ = gef_sbc610_init_irq,
+ .show_cpuinfo = gef_sbc610_show_cpuinfo,
+ .get_irq = mpic_get_irq,
+ .restart = fsl_rstcr_restart,
+ .time_init = mpc86xx_time_init,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
+};
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 5eedb710896..e8d54ac5292 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -238,7 +238,6 @@ static void __init mpc86xx_hpcd_setup_arch(void)
}
#endif
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
- preallocate_diu_videomemory();
diu_ops.get_pixel_format = mpc8610hpcd_get_pixel_format;
diu_ops.set_gamma_table = mpc8610hpcd_set_gamma_table;
diu_ops.set_monitor_port = mpc8610hpcd_set_monitor_port;
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index f712d9c0991..2672829a71d 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -101,19 +101,11 @@ mpc86xx_hpcn_setup_arch(void)
static void
mpc86xx_hpcn_show_cpuinfo(struct seq_file *m)
{
- struct device_node *root;
uint memsize = total_memory;
- const char *model = "";
uint svid = mfspr(SPRN_SVR);
seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
- root = of_find_node_by_path("/");
- if (root)
- model = of_get_property(root, "model", NULL);
- seq_printf(m, "Machine\t\t: %s\n", model);
- of_node_put(root);
-
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
}
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index 00e6fad3b3c..da677a74e2d 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -63,19 +63,11 @@ sbc8641_setup_arch(void)
static void
sbc8641_show_cpuinfo(struct seq_file *m)
{
- struct device_node *root;
uint memsize = total_memory;
- const char *model = "";
uint svid = mfspr(SPRN_SVR);
seq_printf(m, "Vendor\t\t: Wind River Systems\n");
- root = of_find_node_by_path("/");
- if (root)
- model = of_get_property(root, "model", NULL);
- seq_printf(m, "Machine\t\t: %s\n", model);
- of_node_put(root);
-
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
}
diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
index 71d7562e190..48a920a98e7 100644
--- a/arch/powerpc/platforms/8xx/Kconfig
+++ b/arch/powerpc/platforms/8xx/Kconfig
@@ -49,6 +49,12 @@ config PPC_ADDER875
This enables support for the Analogue & Micro Adder 875
board.
+config PPC_MGSUVD
+ bool "MGSUVD"
+ select CPM1
+ help
+ This enables support for the Keymile MGSUVD board.
+
endchoice
menu "Freescale Ethernet driver platform-specific options"
diff --git a/arch/powerpc/platforms/8xx/Makefile b/arch/powerpc/platforms/8xx/Makefile
index 7b71d9c8fb4..bdbfd749601 100644
--- a/arch/powerpc/platforms/8xx/Makefile
+++ b/arch/powerpc/platforms/8xx/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o
obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o
obj-$(CONFIG_PPC_EP88XC) += ep88xc.o
obj-$(CONFIG_PPC_ADDER875) += adder875.o
+obj-$(CONFIG_PPC_MGSUVD) += mgsuvd.o
diff --git a/arch/powerpc/platforms/8xx/mgsuvd.c b/arch/powerpc/platforms/8xx/mgsuvd.c
new file mode 100644
index 00000000000..ca3cb071772
--- /dev/null
+++ b/arch/powerpc/platforms/8xx/mgsuvd.c
@@ -0,0 +1,92 @@
+/*
+ *
+ * Platform setup for the Keymile mgsuvd board
+ *
+ * Heiko Schocher <hs@denx.de>
+ *
+ * Copyright 2008 DENX Software Engineering GmbH
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/ioport.h>
+#include <linux/of_platform.h>
+
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/processor.h>
+#include <asm/cpm1.h>
+#include <asm/prom.h>
+#include <asm/fs_pd.h>
+
+#include "mpc8xx.h"
+
+struct cpm_pin {
+ int port, pin, flags;
+};
+
+static __initdata struct cpm_pin mgsuvd_pins[] = {
+ /* SMC1 */
+ {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
+ {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
+
+ /* SCC3 */
+ {CPM_PORTA, 10, CPM_PIN_INPUT},
+ {CPM_PORTA, 11, CPM_PIN_INPUT},
+ {CPM_PORTA, 3, CPM_PIN_INPUT},
+ {CPM_PORTA, 2, CPM_PIN_INPUT},
+ {CPM_PORTC, 13, CPM_PIN_INPUT},
+};
+
+static void __init init_ioports(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(mgsuvd_pins); i++) {
+ struct cpm_pin *pin = &mgsuvd_pins[i];
+ cpm1_set_pin(pin->port, pin->pin, pin->flags);
+ }
+
+ setbits16(&mpc8xx_immr->im_ioport.iop_pcso, 0x300);
+ cpm1_clk_setup(CPM_CLK_SCC3, CPM_CLK5, CPM_CLK_RX);
+ cpm1_clk_setup(CPM_CLK_SCC3, CPM_CLK6, CPM_CLK_TX);
+ cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
+}
+
+static void __init mgsuvd_setup_arch(void)
+{
+ cpm_reset();
+ init_ioports();
+}
+
+static __initdata struct of_device_id of_bus_ids[] = {
+ { .compatible = "simple-bus" },
+ {},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+ return 0;
+}
+machine_device_initcall(mgsuvd, declare_of_platform_devices);
+
+static int __init mgsuvd_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+ return of_flat_dt_is_compatible(root, "keymile,mgsuvd");
+}
+
+define_machine(mgsuvd) {
+ .name = "MGSUVD",
+ .probe = mgsuvd_probe,
+ .setup_arch = mgsuvd_setup_arch,
+ .init_IRQ = mpc8xx_pics_init,
+ .get_irq = mpc8xx_get_irq,
+ .restart = mpc8xx_restart,
+ .calibrate_decr = mpc8xx_calibrate_decr,
+ .set_rtc_time = mpc8xx_set_rtc_time,
+ .get_rtc_time = mpc8xx_get_rtc_time,
+};
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 4c900efa164..47e956c871f 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -239,7 +239,8 @@ config TAU_AVERAGE
If in doubt, say N here.
config QUICC_ENGINE
- bool
+ bool "Freescale QUICC Engine (QE) Support"
+ depends on FSL_SOC
select PPC_LIB_RHEAP
select CRC32
help
@@ -248,6 +249,15 @@ config QUICC_ENGINE
Selecting this option means that you wish to build a kernel
for a machine with a QE coprocessor.
+config QE_GPIO
+ bool "QE GPIO support"
+ depends on QUICC_ENGINE
+ select GENERIC_GPIO
+ select ARCH_REQUIRE_GPIOLIB
+ help
+ Say Y here if you're going to use hardware that connects to the
+ QE GPIOs.
+
config CPM2
bool "Enable support for the CPM2 (Communications Processor Module)"
depends on MPC85xx || 8260
@@ -293,4 +303,13 @@ config OF_RTC
source "arch/powerpc/sysdev/bestcomm/Kconfig"
+config MPC8xxx_GPIO
+ bool "MPC8xxx GPIO support"
+ depends on PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || PPC_85xx || PPC_86xx
+ select GENERIC_GPIO
+ select ARCH_REQUIRE_GPIOLIB
+ help
+ Say Y here if you're going to use hardware that connects to the
+ MPC831x/834x/837x/8572/8610 GPIOs.
+
endmenu
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 7f651273386..548efa55c8f 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -50,6 +50,7 @@ config 44x
select PPC_UDBG_16550
select 4xx_SOC
select PPC_PCI_CHOICE
+ select PHYS_64BIT
config E200
bool "Freescale e200"
@@ -128,18 +129,19 @@ config FSL_EMB_PERFMON
config PTE_64BIT
bool
- depends on 44x || E500
- default y if 44x
- default y if E500 && PHYS_64BIT
+ depends on 44x || E500 || PPC_86xx
+ default y if PHYS_64BIT
config PHYS_64BIT
- bool 'Large physical address support' if E500
- depends on 44x || E500
- select RESOURCES_64BIT
- default y if 44x
+ bool 'Large physical address support' if E500 || PPC_86xx
+ depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx
---help---
This option enables kernel support for larger than 32-bit physical
- addresses. This features is not be available on all e500 cores.
+ addresses. This feature may not be available on all cores.
+
+ If you have more than 3.5GB of RAM or so, you also need to enable
+ SWIOTLB under Kernel Options for this to work. The actual number
+ is platform-dependent.
If in doubt, say N here.
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index e06420af5fe..ef92e714621 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -556,11 +556,11 @@ static struct iommu_table *cell_get_iommu_table(struct device *dev)
* node's iommu. We -might- do something smarter later though it may
* never be necessary
*/
- iommu = cell_iommu_for_node(archdata->numa_node);
+ iommu = cell_iommu_for_node(dev_to_node(dev));
if (iommu == NULL || list_empty(&iommu->windows)) {
printk(KERN_ERR "iommu: missing iommu for %s (node %d)\n",
archdata->of_node ? archdata->of_node->full_name : "?",
- archdata->numa_node);
+ dev_to_node(dev));
return NULL;
}
window = list_entry(iommu->windows.next, struct iommu_window, list);
@@ -577,7 +577,7 @@ static void *dma_fixed_alloc_coherent(struct device *dev, size_t size,
return iommu_alloc_coherent(dev, cell_get_iommu_table(dev),
size, dma_handle,
device_to_mask(dev), flag,
- dev->archdata.numa_node);
+ dev_to_node(dev));
else
return dma_direct_ops.alloc_coherent(dev, size, dma_handle,
flag);
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 690ca7b0dcf..cb85d237e49 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -298,8 +298,8 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
d_instantiate(dentry, inode);
dget(dentry);
- dir->i_nlink++;
- dentry->d_inode->i_nlink++;
+ inc_nlink(dir);
+ inc_nlink(dentry->d_inode);
goto out;
out_free_ctx:
@@ -496,6 +496,8 @@ spufs_create_context(struct inode *inode, struct dentry *dentry,
ret = spufs_context_open(dget(dentry), mntget(mnt));
if (ret < 0) {
WARN_ON(spufs_rmdir(inode, dentry));
+ if (affinity)
+ mutex_unlock(&gang->aff_mutex);
mutex_unlock(&inode->i_mutex);
spu_forget(SPUFS_I(dentry->d_inode)->i_ctx);
goto out;
@@ -538,8 +540,8 @@ spufs_mkgang(struct inode *dir, struct dentry *dentry, int mode)
inode->i_fop = &simple_dir_operations;
d_instantiate(dentry, inode);
- dir->i_nlink++;
- dentry->d_inode->i_nlink++;
+ inc_nlink(dir);
+ inc_nlink(dentry->d_inode);
return ret;
out_iput:
@@ -659,7 +661,7 @@ enum {
Opt_uid, Opt_gid, Opt_mode, Opt_debug, Opt_err,
};
-static match_table_t spufs_tokens = {
+static const match_table_t spufs_tokens = {
{ Opt_uid, "uid=%d" },
{ Opt_gid, "gid=%d" },
{ Opt_mode, "mode=%o" },
@@ -755,6 +757,7 @@ spufs_create_root(struct super_block *sb, void *data)
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
SPUFS_I(inode)->i_ctx = NULL;
+ inc_nlink(inode);
ret = -EINVAL;
if (!spufs_parse_options(sb, data, inode))
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index 768c262b936..d3cde6b9d2d 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -260,13 +260,13 @@ chrp_find_bridges(void)
dev->full_name);
continue;
}
- hose->first_busno = bus_range[0];
+ hose->first_busno = hose->self_busno = bus_range[0];
hose->last_busno = bus_range[1];
model = of_get_property(dev, "model", NULL);
if (model == NULL)
model = "<none>";
- if (of_device_is_compatible(dev, "IBM,python")) {
+ if (strncmp(model, "IBM, Python", 11) == 0) {
setup_python(hose, dev);
} else if (is_mot
|| strncmp(model, "Motorola, Grackle", 17) == 0) {
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 1ba7ce5aafa..272d79a8d28 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -17,7 +17,6 @@
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/tty.h>
#include <linux/major.h>
#include <linux/interrupt.h>
diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c
index 96d1e4b3c49..054dfe5b8e7 100644
--- a/arch/powerpc/platforms/chrp/time.c
+++ b/arch/powerpc/platforms/chrp/time.c
@@ -94,12 +94,12 @@ int chrp_set_rtc_time(struct rtc_time *tmarg)
chrp_cmos_clock_write((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BIN_TO_BCD(tm.tm_sec);
- BIN_TO_BCD(tm.tm_min);
- BIN_TO_BCD(tm.tm_hour);
- BIN_TO_BCD(tm.tm_mon);
- BIN_TO_BCD(tm.tm_mday);
- BIN_TO_BCD(tm.tm_year);
+ tm.tm_sec = bin2bcd(tm.tm_sec);
+ tm.tm_min = bin2bcd(tm.tm_min);
+ tm.tm_hour = bin2bcd(tm.tm_hour);
+ tm.tm_mon = bin2bcd(tm.tm_mon);
+ tm.tm_mday = bin2bcd(tm.tm_mday);
+ tm.tm_year = bin2bcd(tm.tm_year);
}
chrp_cmos_clock_write(tm.tm_sec,RTC_SECONDS);
chrp_cmos_clock_write(tm.tm_min,RTC_MINUTES);
@@ -136,12 +136,12 @@ void chrp_get_rtc_time(struct rtc_time *tm)
} while (sec != chrp_cmos_clock_read(RTC_SECONDS));
if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hour);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mon);
- BCD_TO_BIN(year);
+ sec = bcd2bin(sec);
+ min = bcd2bin(min);
+ hour = bcd2bin(hour);
+ day = bcd2bin(day);
+ mon = bcd2bin(mon);
+ year = bcd2bin(year);
}
if (year < 70)
year += 100;
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index 84e2d78b9a6..7a2ba39d781 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -164,7 +164,6 @@ static void __init mpc7448_hpc2_init_IRQ(void)
void mpc7448_hpc2_show_cpuinfo(struct seq_file *m)
{
seq_printf(m, "vendor\t\t: Freescale Semiconductor\n");
- seq_printf(m, "machine\t\t: MPC7448hpc2\n");
}
void mpc7448_hpc2_restart(char *cmd)
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 8ff330d026c..2f581521eb9 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -38,12 +38,13 @@
.globl system_reset_iSeries
system_reset_iSeries:
+ bl .relative_toc
mfspr r13,SPRN_SPRG3 /* Get alpaca address */
- LOAD_REG_IMMEDIATE(r23, alpaca)
+ LOAD_REG_ADDR(r23, alpaca)
li r0,ALPACA_SIZE
sub r23,r13,r23
divdu r23,r23,r0 /* r23 has cpu number */
- LOAD_REG_IMMEDIATE(r13, paca)
+ LOAD_REG_ADDR(r13, paca)
mulli r0,r23,PACA_SIZE
add r13,r13,r0
mtspr SPRN_SPRG3,r13 /* Save it away for the future */
@@ -60,14 +61,14 @@ system_reset_iSeries:
mtspr SPRN_CTRLT,r4
/* Spin on __secondary_hold_spinloop until it is updated by the boot cpu. */
-/* In the UP case we'll yeild() later, and we will not access the paca anyway */
+/* In the UP case we'll yield() later, and we will not access the paca anyway */
#ifdef CONFIG_SMP
1:
HMT_LOW
- LOAD_REG_IMMEDIATE(r23, __secondary_hold_spinloop)
+ LOAD_REG_ADDR(r23, __secondary_hold_spinloop)
ld r23,0(r23)
sync
- LOAD_REG_IMMEDIATE(r3,current_set)
+ LOAD_REG_ADDR(r3,current_set)
sldi r28,r24,3 /* get current_set[cpu#] */
ldx r3,r3,r28
addi r1,r3,THREAD_SIZE
@@ -90,7 +91,7 @@ system_reset_iSeries:
lbz r23,PACAPROCSTART(r13) /* Test if this processor
* should start */
sync
- LOAD_REG_IMMEDIATE(r3,current_set)
+ LOAD_REG_ADDR(r3,current_set)
sldi r28,r24,3 /* get current_set[cpu#] */
ldx r3,r3,r28
addi r1,r3,THREAD_SIZE
@@ -255,8 +256,8 @@ hardware_interrupt_iSeries_masked:
_INIT_STATIC(__start_initialization_iSeries)
/* Clear out the BSS */
- LOAD_REG_IMMEDIATE(r11,__bss_stop)
- LOAD_REG_IMMEDIATE(r8,__bss_start)
+ LOAD_REG_ADDR(r11,__bss_stop)
+ LOAD_REG_ADDR(r8,__bss_start)
sub r11,r11,r8 /* bss size */
addi r11,r11,7 /* round up to an even double word */
rldicl. r11,r11,61,3 /* shift right by 3 */
@@ -267,15 +268,11 @@ _INIT_STATIC(__start_initialization_iSeries)
3: stdu r0,8(r8)
bdnz 3b
4:
- LOAD_REG_IMMEDIATE(r1,init_thread_union)
+ LOAD_REG_ADDR(r1,init_thread_union)
addi r1,r1,THREAD_SIZE
li r0,0
stdu r0,-STACK_FRAME_OVERHEAD(r1)
- LOAD_REG_IMMEDIATE(r2,__toc_start)
- addi r2,r2,0x4000
- addi r2,r2,0x4000
-
bl .iSeries_early_setup
bl .early_setup
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index 731d7b15774..3689c2413d2 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -722,13 +722,13 @@ static int mf_set_rtc(struct rtc_time *tm)
day = tm->tm_mday;
mon = tm->tm_mon + 1;
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hour);
- BIN_TO_BCD(mon);
- BIN_TO_BCD(day);
- BIN_TO_BCD(y1);
- BIN_TO_BCD(y2);
+ sec = bin2bcd(sec);
+ min = bin2bcd(min);
+ hour = bin2bcd(hour);
+ mon = bin2bcd(mon);
+ day = bin2bcd(day);
+ y1 = bin2bcd(y1);
+ y2 = bin2bcd(y2);
memset(ce_time, 0, sizeof(ce_time));
ce_time[3] = 0x41;
@@ -777,12 +777,12 @@ static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
u8 day = ce_msg[10];
u8 mon = ce_msg[11];
- BCD_TO_BIN(sec);
- BCD_TO_BIN(min);
- BCD_TO_BIN(hour);
- BCD_TO_BIN(day);
- BCD_TO_BIN(mon);
- BCD_TO_BIN(year);
+ sec = bcd2bin(sec);
+ min = bcd2bin(min);
+ hour = bcd2bin(hour);
+ day = bcd2bin(day);
+ mon = bcd2bin(mon);
+ year = bcd2bin(year);
if (year <= 69)
year += 100;
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 364714757cf..d4c61c3c966 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -23,7 +23,6 @@
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/tty.h>
#include <linux/string.h>
#include <linux/delay.h>
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 53bca132fb4..eac569dee27 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -68,12 +68,12 @@ void maple_get_rtc_time(struct rtc_time *tm)
if (!(maple_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
|| RTC_ALWAYS_BCD) {
- BCD_TO_BIN(tm->tm_sec);
- BCD_TO_BIN(tm->tm_min);
- BCD_TO_BIN(tm->tm_hour);
- BCD_TO_BIN(tm->tm_mday);
- BCD_TO_BIN(tm->tm_mon);
- BCD_TO_BIN(tm->tm_year);
+ tm->tm_sec = bcd2bin(tm->tm_sec);
+ tm->tm_min = bcd2bin(tm->tm_min);
+ tm->tm_hour = bcd2bin(tm->tm_hour);
+ tm->tm_mday = bcd2bin(tm->tm_mday);
+ tm->tm_mon = bcd2bin(tm->tm_mon);
+ tm->tm_year = bcd2bin(tm->tm_year);
}
if ((tm->tm_year + 1900) < 1970)
tm->tm_year += 100;
@@ -104,12 +104,12 @@ int maple_set_rtc_time(struct rtc_time *tm)
year = tm->tm_year;
if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hour);
- BIN_TO_BCD(mon);
- BIN_TO_BCD(mday);
- BIN_TO_BCD(year);
+ sec = bin2bcd(sec);
+ min = bin2bcd(min);
+ hour = bin2bcd(hour);
+ mon = bin2bcd(mon);
+ mday = bin2bcd(mday);
+ year = bin2bcd(year);
}
maple_clock_write(sec, RTC_SECONDS);
maple_clock_write(min, RTC_MINUTES);
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index 5169ecc3712..e6c0040ee79 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -2677,7 +2677,7 @@ static void __init probe_one_macio(const char *name, const char *compat, int typ
macio_chips[i].of_node = node;
macio_chips[i].type = type;
macio_chips[i].base = base;
- macio_chips[i].flags = MACIO_FLAG_SCCB_ON | MACIO_FLAG_SCCB_ON;
+ macio_chips[i].flags = MACIO_FLAG_SCCA_ON | MACIO_FLAG_SCCB_ON;
macio_chips[i].name = macio_names[type];
revp = of_get_property(node, "revision-id", NULL);
if (revp)
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 88ccf3a08a9..82c14d203d8 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -33,7 +33,6 @@
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/tty.h>
#include <linux/string.h>
#include <linux/delay.h>
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 4ae3d00e0bd..40f72c2a469 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -787,7 +787,7 @@ static void __devinit smp_core99_kick_cpu(int nr)
{
unsigned int save_vector;
unsigned long target, flags;
- unsigned int *vector = (unsigned int *)(KERNELBASE+0x100);
+ unsigned int *vector = (unsigned int *)(PAGE_OFFSET+0x100);
if (nr < 0 || nr > 3)
return;
@@ -801,7 +801,7 @@ static void __devinit smp_core99_kick_cpu(int nr)
save_vector = *vector;
/* Setup fake reset vector that does
- * b __secondary_start_pmac_0 + nr*8 - KERNELBASE
+ * b __secondary_start_pmac_0 + nr*8
*/
target = (unsigned long) __secondary_start_pmac_0 + nr * 8;
patch_branch(vector, target, BRANCH_SET_LINK);
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index bbbefd64ab5..59eb840d8ce 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -93,11 +93,14 @@ static void to_rtc_time(unsigned long now, struct rtc_time *tm)
}
#endif
+#if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU) || \
+ defined(CONFIG_PMAC_SMU)
static unsigned long from_rtc_time(struct rtc_time *tm)
{
return mktime(tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}
+#endif
#ifdef CONFIG_ADB_CUDA
static unsigned long cuda_get_time(void)
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 280ee88cb0b..a789bf58ca8 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -762,7 +762,7 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)
};
dev->core.archdata.of_node = NULL;
- dev->core.archdata.numa_node = 0;
+ set_dev_node(&dev->core, 0);
pr_debug("%s:%d add %s\n", __func__, __LINE__, dev->core.bus_id);
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 38fe32a7cc7..5cd4d276162 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -121,7 +121,7 @@ static long cmm_alloc_pages(long nr)
npa = (struct cmm_page_array *)__get_free_page(GFP_NOIO | __GFP_NOWARN |
__GFP_NORETRY | __GFP_NOMEMALLOC);
if (!npa) {
- pr_info("%s: Can not allocate new page list\n", __FUNCTION__);
+ pr_info("%s: Can not allocate new page list\n", __func__);
free_page(addr);
break;
}
@@ -138,7 +138,7 @@ static long cmm_alloc_pages(long nr)
}
if ((rc = plpar_page_set_loaned(__pa(addr)))) {
- pr_err("%s: Can not set page to loaned. rc=%ld\n", __FUNCTION__, rc);
+ pr_err("%s: Can not set page to loaned. rc=%ld\n", __func__, rc);
spin_unlock(&cmm_lock);
free_page(addr);
break;
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 8c1ca477c52..0ad56ff7b4a 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -41,7 +41,7 @@ static inline const char * pcid_name (struct pci_dev *pdev)
return "";
}
-#ifdef DEBUG
+#if 0
static void print_device_node_tree(struct pci_dn *pdn, int dent)
{
int i;
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index a1a368dd2d9..140d02a5232 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -21,7 +21,7 @@ static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
struct zone *zone;
int ret;
- start_pfn = base >> PFN_SECTION_SHIFT;
+ start_pfn = base >> PAGE_SHIFT;
zone = page_zone(pfn_to_page(start_pfn));
/*
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 7637bd38c79..c591a25b0b0 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -466,11 +466,11 @@ static int do_update_property(char *buf, size_t bufsize)
else
action = PSERIES_DRCONF_MEM_REMOVE;
- blocking_notifier_call_chain(&pSeries_reconfig_chain,
- action, value);
+ rc = blocking_notifier_call_chain(&pSeries_reconfig_chain,
+ action, value);
}
- return 0;
+ return rc;
}
/**
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index c9ffd8c225f..f4e55be2eea 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -295,19 +295,29 @@ static ssize_t rtas_log_read(struct file * file, char __user * buf,
if (!tmp)
return -ENOMEM;
-
spin_lock_irqsave(&rtasd_log_lock, s);
/* if it's 0, then we know we got the last one (the one in NVRAM) */
- if (rtas_log_size == 0 && logging_enabled)
- nvram_clear_error_log();
- spin_unlock_irqrestore(&rtasd_log_lock, s);
+ while (rtas_log_size == 0) {
+ if (file->f_flags & O_NONBLOCK) {
+ spin_unlock_irqrestore(&rtasd_log_lock, s);
+ error = -EAGAIN;
+ goto out;
+ }
+ if (!logging_enabled) {
+ spin_unlock_irqrestore(&rtasd_log_lock, s);
+ error = -ENODATA;
+ goto out;
+ }
+ nvram_clear_error_log();
- error = wait_event_interruptible(rtas_log_wait, rtas_log_size);
- if (error)
- goto out;
+ spin_unlock_irqrestore(&rtasd_log_lock, s);
+ error = wait_event_interruptible(rtas_log_wait, rtas_log_size);
+ if (error)
+ goto out;
+ spin_lock_irqsave(&rtasd_log_lock, s);
+ }
- spin_lock_irqsave(&rtasd_log_lock, s);
offset = rtas_error_log_buffer_max * (rtas_log_start & LOG_NUMBER_MASK);
memcpy(tmp, &rtas_log_buf[offset], count);
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 7b01d67b4e4..ec341707e41 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -25,7 +25,6 @@
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/user.h>
-#include <linux/a.out.h>
#include <linux/tty.h>
#include <linux/major.h>
#include <linux/interrupt.h>
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 9d8f8c84ab8..e00f96baa38 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -37,7 +37,6 @@
#include <asm/paca.h>
#include <asm/time.h>
#include <asm/machdep.h>
-#include "xics.h"
#include <asm/cputable.h>
#include <asm/firmware.h>
#include <asm/system.h>
@@ -49,6 +48,7 @@
#include "plpar_wrappers.h"
#include "pseries.h"
+#include "xics.h"
/*
@@ -105,36 +105,6 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
}
#ifdef CONFIG_XICS
-static inline void smp_xics_do_message(int cpu, int msg)
-{
- set_bit(msg, &xics_ipi_message[cpu].value);
- mb();
- xics_cause_IPI(cpu);
-}
-
-static void smp_xics_message_pass(int target, int msg)
-{
- unsigned int i;
-
- if (target < NR_CPUS) {
- smp_xics_do_message(target, msg);
- } else {
- for_each_online_cpu(i) {
- if (target == MSG_ALL_BUT_SELF
- && i == smp_processor_id())
- continue;
- smp_xics_do_message(i, msg);
- }
- }
-}
-
-static int __init smp_xics_probe(void)
-{
- xics_request_IPIs();
-
- return cpus_weight(cpu_possible_map);
-}
-
static void __devinit smp_xics_setup_cpu(int cpu)
{
if (cpu != boot_cpuid)
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 0fc830f576f..e1904774a70 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -9,32 +9,30 @@
* 2 of the License, or (at your option) any later version.
*/
-
#include <linux/types.h>
#include <linux/threads.h>
#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/smp.h>
#include <linux/interrupt.h>
-#include <linux/signal.h>
#include <linux/init.h>
-#include <linux/gfp.h>
#include <linux/radix-tree.h>
#include <linux/cpu.h>
+#include <linux/of.h>
#include <asm/firmware.h>
-#include <asm/prom.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/smp.h>
#include <asm/rtas.h>
#include <asm/hvcall.h>
#include <asm/machdep.h>
-#include <asm/i8259.h>
#include "xics.h"
#include "plpar_wrappers.h"
+static struct irq_host *xics_host;
+
#define XICS_IPI 2
#define XICS_IRQ_SPURIOUS 0
@@ -47,6 +45,20 @@
*/
#define IPI_PRIORITY 4
+static unsigned int default_server = 0xFF;
+static unsigned int default_distrib_server = 0;
+static unsigned int interrupt_server_size = 8;
+
+/* RTAS service tokens */
+static int ibm_get_xive;
+static int ibm_set_xive;
+static int ibm_int_on;
+static int ibm_int_off;
+
+
+/* Direct hardware low level accessors */
+
+/* The part of the interrupt presentation layer that we care about */
struct xics_ipl {
union {
u32 word;
@@ -65,27 +77,6 @@ struct xics_ipl {
static struct xics_ipl __iomem *xics_per_cpu[NR_CPUS];
-static unsigned int default_server = 0xFF;
-static unsigned int default_distrib_server = 0;
-static unsigned int interrupt_server_size = 8;
-
-static struct irq_host *xics_host;
-
-/*
- * XICS only has a single IPI, so encode the messages per CPU
- */
-struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
-
-/* RTAS service tokens */
-static int ibm_get_xive;
-static int ibm_set_xive;
-static int ibm_int_on;
-static int ibm_int_off;
-
-
-/* Direct HW low level accessors */
-
-
static inline unsigned int direct_xirr_info_get(void)
{
int cpu = smp_processor_id();
@@ -93,7 +84,7 @@ static inline unsigned int direct_xirr_info_get(void)
return in_be32(&xics_per_cpu[cpu]->xirr.word);
}
-static inline void direct_xirr_info_set(int value)
+static inline void direct_xirr_info_set(unsigned int value)
{
int cpu = smp_processor_id();
@@ -115,7 +106,6 @@ static inline void direct_qirr_info(int n_cpu, u8 value)
/* LPAR low level accessors */
-
static inline unsigned int lpar_xirr_info_get(void)
{
unsigned long lpar_rc;
@@ -127,15 +117,14 @@ static inline unsigned int lpar_xirr_info_get(void)
return (unsigned int)return_value;
}
-static inline void lpar_xirr_info_set(int value)
+static inline void lpar_xirr_info_set(unsigned int value)
{
unsigned long lpar_rc;
- unsigned long val64 = value & 0xffffffff;
- lpar_rc = plpar_eoi(val64);
+ lpar_rc = plpar_eoi(value);
if (lpar_rc != H_SUCCESS)
- panic("bad return code EOI - rc = %ld, value=%lx\n", lpar_rc,
- val64);
+ panic("bad return code EOI - rc = %ld, value=%x\n", lpar_rc,
+ value);
}
static inline void lpar_cppr_info(u8 value)
@@ -157,48 +146,7 @@ static inline void lpar_qirr_info(int n_cpu , u8 value)
}
-/* High level handlers and init code */
-
-static void xics_update_irq_servers(void)
-{
- int i, j;
- struct device_node *np;
- u32 ilen;
- const u32 *ireg, *isize;
- u32 hcpuid;
-
- /* Find the server numbers for the boot cpu. */
- np = of_get_cpu_node(boot_cpuid, NULL);
- BUG_ON(!np);
-
- ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen);
- if (!ireg) {
- of_node_put(np);
- return;
- }
-
- i = ilen / sizeof(int);
- hcpuid = get_hard_smp_processor_id(boot_cpuid);
-
- /* Global interrupt distribution server is specified in the last
- * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last
- * entry fom this property for current boot cpu id and use it as
- * default distribution server
- */
- for (j = 0; j < i; j += 2) {
- if (ireg[j] == hcpuid) {
- default_server = hcpuid;
- default_distrib_server = ireg[j+1];
-
- isize = of_get_property(np,
- "ibm,interrupt-server#-size", NULL);
- if (isize)
- interrupt_server_size = *isize;
- }
- }
-
- of_node_put(np);
-}
+/* Interface to generic irq subsystem */
#ifdef CONFIG_SMP
static int get_irq_server(unsigned int virq, unsigned int strict_check)
@@ -208,9 +156,6 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check)
cpumask_t cpumask = irq_desc[virq].affinity;
cpumask_t tmp = CPU_MASK_NONE;
- if (! cpu_isset(default_server, cpu_online_map))
- xics_update_irq_servers();
-
if (!distribute_irqs)
return default_server;
@@ -238,7 +183,6 @@ static int get_irq_server(unsigned int virq, unsigned int strict_check)
}
#endif
-
static void xics_unmask_irq(unsigned int virq)
{
unsigned int irq;
@@ -257,21 +201,28 @@ static void xics_unmask_irq(unsigned int virq)
call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server,
DEFAULT_PRIORITY);
if (call_status != 0) {
- printk(KERN_ERR "xics_enable_irq: irq=%u: ibm_set_xive "
- "returned %d\n", irq, call_status);
- printk("set_xive %x, server %x\n", ibm_set_xive, server);
+ printk(KERN_ERR
+ "%s: ibm_set_xive irq %u server %x returned %d\n",
+ __func__, irq, server, call_status);
return;
}
/* Now unmask the interrupt (often a no-op) */
call_status = rtas_call(ibm_int_on, 1, 1, NULL, irq);
if (call_status != 0) {
- printk(KERN_ERR "xics_enable_irq: irq=%u: ibm_int_on "
- "returned %d\n", irq, call_status);
+ printk(KERN_ERR "%s: ibm_int_on irq=%u returned %d\n",
+ __func__, irq, call_status);
return;
}
}
+static unsigned int xics_startup(unsigned int virq)
+{
+ /* unmask it */
+ xics_unmask_irq(virq);
+ return 0;
+}
+
static void xics_mask_real_irq(unsigned int irq)
{
int call_status;
@@ -281,8 +232,8 @@ static void xics_mask_real_irq(unsigned int irq)
call_status = rtas_call(ibm_int_off, 1, 1, NULL, irq);
if (call_status != 0) {
- printk(KERN_ERR "xics_disable_real_irq: irq=%u: "
- "ibm_int_off returned %d\n", irq, call_status);
+ printk(KERN_ERR "%s: ibm_int_off irq=%u returned %d\n",
+ __func__, irq, call_status);
return;
}
@@ -290,8 +241,8 @@ static void xics_mask_real_irq(unsigned int irq)
call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq,
default_server, 0xff);
if (call_status != 0) {
- printk(KERN_ERR "xics_disable_irq: irq=%u: ibm_set_xive(0xff)"
- " returned %d\n", irq, call_status);
+ printk(KERN_ERR "%s: ibm_set_xive(0xff) irq=%u returned %d\n",
+ __func__, irq, call_status);
return;
}
}
@@ -308,132 +259,77 @@ static void xics_mask_irq(unsigned int virq)
xics_mask_real_irq(irq);
}
-static unsigned int xics_startup(unsigned int virq)
-{
- unsigned int irq;
-
- /* force a reverse mapping of the interrupt so it gets in the cache */
- irq = (unsigned int)irq_map[virq].hwirq;
- irq_radix_revmap(xics_host, irq);
-
- /* unmask it */
- xics_unmask_irq(virq);
- return 0;
-}
-
-static void xics_eoi_direct(unsigned int virq)
+static void xics_mask_unknown_vec(unsigned int vec)
{
- unsigned int irq = (unsigned int)irq_map[virq].hwirq;
-
- iosync();
- direct_xirr_info_set((0xff << 24) | irq);
+ printk(KERN_ERR "Interrupt %u (real) is invalid, disabling it.\n", vec);
+ xics_mask_real_irq(vec);
}
-
-static void xics_eoi_lpar(unsigned int virq)
+static inline unsigned int xics_xirr_vector(unsigned int xirr)
{
- unsigned int irq = (unsigned int)irq_map[virq].hwirq;
-
- iosync();
- lpar_xirr_info_set((0xff << 24) | irq);
+ /*
+ * The top byte is the old cppr, to be restored on EOI.
+ * The remaining 24 bits are the vector.
+ */
+ return xirr & 0x00ffffff;
}
-static inline unsigned int xics_remap_irq(unsigned int vec)
+static unsigned int xics_get_irq_direct(void)
{
+ unsigned int xirr = direct_xirr_info_get();
+ unsigned int vec = xics_xirr_vector(xirr);
unsigned int irq;
- vec &= 0x00ffffff;
-
if (vec == XICS_IRQ_SPURIOUS)
return NO_IRQ;
- irq = irq_radix_revmap(xics_host, vec);
+
+ irq = irq_radix_revmap_lookup(xics_host, vec);
if (likely(irq != NO_IRQ))
return irq;
- printk(KERN_ERR "Interrupt %u (real) is invalid,"
- " disabling it.\n", vec);
- xics_mask_real_irq(vec);
- return NO_IRQ;
-}
+ /* We don't have a linux mapping, so have rtas mask it. */
+ xics_mask_unknown_vec(vec);
-static unsigned int xics_get_irq_direct(void)
-{
- return xics_remap_irq(direct_xirr_info_get());
+ /* We might learn about it later, so EOI it */
+ direct_xirr_info_set(xirr);
+ return NO_IRQ;
}
static unsigned int xics_get_irq_lpar(void)
{
- return xics_remap_irq(lpar_xirr_info_get());
-}
-
-#ifdef CONFIG_SMP
-
-static irqreturn_t xics_ipi_dispatch(int cpu)
-{
- WARN_ON(cpu_is_offline(cpu));
+ unsigned int xirr = lpar_xirr_info_get();
+ unsigned int vec = xics_xirr_vector(xirr);
+ unsigned int irq;
- while (xics_ipi_message[cpu].value) {
- if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION,
- &xics_ipi_message[cpu].value)) {
- mb();
- smp_message_recv(PPC_MSG_CALL_FUNCTION);
- }
- if (test_and_clear_bit(PPC_MSG_RESCHEDULE,
- &xics_ipi_message[cpu].value)) {
- mb();
- smp_message_recv(PPC_MSG_RESCHEDULE);
- }
- if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE,
- &xics_ipi_message[cpu].value)) {
- mb();
- smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE);
- }
-#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
- if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK,
- &xics_ipi_message[cpu].value)) {
- mb();
- smp_message_recv(PPC_MSG_DEBUGGER_BREAK);
- }
-#endif
- }
- return IRQ_HANDLED;
-}
+ if (vec == XICS_IRQ_SPURIOUS)
+ return NO_IRQ;
-static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id)
-{
- int cpu = smp_processor_id();
+ irq = irq_radix_revmap_lookup(xics_host, vec);
+ if (likely(irq != NO_IRQ))
+ return irq;
- direct_qirr_info(cpu, 0xff);
+ /* We don't have a linux mapping, so have RTAS mask it. */
+ xics_mask_unknown_vec(vec);
- return xics_ipi_dispatch(cpu);
+ /* We might learn about it later, so EOI it */
+ lpar_xirr_info_set(xirr);
+ return NO_IRQ;
}
-static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id)
+static void xics_eoi_direct(unsigned int virq)
{
- int cpu = smp_processor_id();
-
- lpar_qirr_info(cpu, 0xff);
+ unsigned int irq = (unsigned int)irq_map[virq].hwirq;
- return xics_ipi_dispatch(cpu);
+ iosync();
+ direct_xirr_info_set((0xff << 24) | irq);
}
-void xics_cause_IPI(int cpu)
+static void xics_eoi_lpar(unsigned int virq)
{
- if (firmware_has_feature(FW_FEATURE_LPAR))
- lpar_qirr_info(cpu, IPI_PRIORITY);
- else
- direct_qirr_info(cpu, IPI_PRIORITY);
-}
-
-#endif /* CONFIG_SMP */
+ unsigned int irq = (unsigned int)irq_map[virq].hwirq;
-static void xics_set_cpu_priority(unsigned char cppr)
-{
- if (firmware_has_feature(FW_FEATURE_LPAR))
- lpar_cppr_info(cppr);
- else
- direct_cppr_info(cppr);
iosync();
+ lpar_xirr_info_set((0xff << 24) | irq);
}
static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
@@ -450,8 +346,8 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq);
if (status) {
- printk(KERN_ERR "xics_set_affinity: irq=%u ibm,get-xive "
- "returns %d\n", irq, status);
+ printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n",
+ __func__, irq, status);
return;
}
@@ -463,8 +359,9 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
if (irq_server == -1) {
char cpulist[128];
cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);
- printk(KERN_WARNING "xics_set_affinity: No online cpus in "
- "the mask %s for irq %d\n", cpulist, virq);
+ printk(KERN_WARNING
+ "%s: No online cpus in the mask %s for irq %d\n",
+ __func__, cpulist, virq);
return;
}
@@ -472,28 +369,12 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask)
irq, irq_server, xics_status[1]);
if (status) {
- printk(KERN_ERR "xics_set_affinity: irq=%u ibm,set-xive "
- "returns %d\n", irq, status);
+ printk(KERN_ERR "%s: ibm,set-xive irq=%u returns %d\n",
+ __func__, irq, status);
return;
}
}
-void xics_setup_cpu(void)
-{
- xics_set_cpu_priority(0xff);
-
- /*
- * Put the calling processor into the GIQ. This is really only
- * necessary from a secondary thread as the OF start-cpu interface
- * performs this function for us on primary threads.
- *
- * XXX: undo of teardown on kexec needs this too, as may hotplug
- */
- rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE,
- (1UL << interrupt_server_size) - 1 - default_distrib_server, 1);
-}
-
-
static struct irq_chip xics_pic_direct = {
.typename = " XICS ",
.startup = xics_startup,
@@ -503,7 +384,6 @@ static struct irq_chip xics_pic_direct = {
.set_affinity = xics_set_affinity
};
-
static struct irq_chip xics_pic_lpar = {
.typename = " XICS ",
.startup = xics_startup,
@@ -513,6 +393,9 @@ static struct irq_chip xics_pic_lpar = {
.set_affinity = xics_set_affinity
};
+
+/* Interface to arch irq controller subsystem layer */
+
/* Points to the irq_chip we're actually using */
static struct irq_chip *xics_irq_chip;
@@ -530,6 +413,9 @@ static int xics_host_map(struct irq_host *h, unsigned int virq,
{
pr_debug("xics: map virq %d, hwirq 0x%lx\n", virq, hw);
+ /* Insert the interrupt mapping into the radix tree for fast lookup */
+ irq_radix_revmap_insert(xics_host, virq, hw);
+
get_irq_desc(virq)->status |= IRQ_LEVEL;
set_irq_chip_and_handler(virq, xics_irq_chip, handle_fasteoi_irq);
return 0;
@@ -569,10 +455,169 @@ static void __init xics_init_host(void)
irq_set_default_host(xics_host);
}
+
+/* Inter-processor interrupt support */
+
+#ifdef CONFIG_SMP
+/*
+ * XICS only has a single IPI, so encode the messages per CPU
+ */
+struct xics_ipi_struct {
+ unsigned long value;
+ } ____cacheline_aligned;
+
+static struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
+
+static inline void smp_xics_do_message(int cpu, int msg)
+{
+ set_bit(msg, &xics_ipi_message[cpu].value);
+ mb();
+ if (firmware_has_feature(FW_FEATURE_LPAR))
+ lpar_qirr_info(cpu, IPI_PRIORITY);
+ else
+ direct_qirr_info(cpu, IPI_PRIORITY);
+}
+
+void smp_xics_message_pass(int target, int msg)
+{
+ unsigned int i;
+
+ if (target < NR_CPUS) {
+ smp_xics_do_message(target, msg);
+ } else {
+ for_each_online_cpu(i) {
+ if (target == MSG_ALL_BUT_SELF
+ && i == smp_processor_id())
+ continue;
+ smp_xics_do_message(i, msg);
+ }
+ }
+}
+
+static irqreturn_t xics_ipi_dispatch(int cpu)
+{
+ WARN_ON(cpu_is_offline(cpu));
+
+ mb(); /* order mmio clearing qirr */
+ while (xics_ipi_message[cpu].value) {
+ if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION,
+ &xics_ipi_message[cpu].value)) {
+ smp_message_recv(PPC_MSG_CALL_FUNCTION);
+ }
+ if (test_and_clear_bit(PPC_MSG_RESCHEDULE,
+ &xics_ipi_message[cpu].value)) {
+ smp_message_recv(PPC_MSG_RESCHEDULE);
+ }
+ if (test_and_clear_bit(PPC_MSG_CALL_FUNC_SINGLE,
+ &xics_ipi_message[cpu].value)) {
+ smp_message_recv(PPC_MSG_CALL_FUNC_SINGLE);
+ }
+#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
+ if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK,
+ &xics_ipi_message[cpu].value)) {
+ smp_message_recv(PPC_MSG_DEBUGGER_BREAK);
+ }
+#endif
+ }
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id)
+{
+ int cpu = smp_processor_id();
+
+ direct_qirr_info(cpu, 0xff);
+
+ return xics_ipi_dispatch(cpu);
+}
+
+static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id)
+{
+ int cpu = smp_processor_id();
+
+ lpar_qirr_info(cpu, 0xff);
+
+ return xics_ipi_dispatch(cpu);
+}
+
+static void xics_request_ipi(void)
+{
+ unsigned int ipi;
+ int rc;
+
+ ipi = irq_create_mapping(xics_host, XICS_IPI);
+ BUG_ON(ipi == NO_IRQ);
+
+ /*
+ * IPIs are marked IRQF_DISABLED as they must run with irqs
+ * disabled
+ */
+ set_irq_handler(ipi, handle_percpu_irq);
+ if (firmware_has_feature(FW_FEATURE_LPAR))
+ rc = request_irq(ipi, xics_ipi_action_lpar,
+ IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL);
+ else
+ rc = request_irq(ipi, xics_ipi_action_direct,
+ IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL);
+ BUG_ON(rc);
+}
+
+int __init smp_xics_probe(void)
+{
+ xics_request_ipi();
+
+ return cpus_weight(cpu_possible_map);
+}
+
+#endif /* CONFIG_SMP */
+
+
+/* Initialization */
+
+static void xics_update_irq_servers(void)
+{
+ int i, j;
+ struct device_node *np;
+ u32 ilen;
+ const u32 *ireg, *isize;
+ u32 hcpuid;
+
+ /* Find the server numbers for the boot cpu. */
+ np = of_get_cpu_node(boot_cpuid, NULL);
+ BUG_ON(!np);
+
+ ireg = of_get_property(np, "ibm,ppc-interrupt-gserver#s", &ilen);
+ if (!ireg) {
+ of_node_put(np);
+ return;
+ }
+
+ i = ilen / sizeof(int);
+ hcpuid = get_hard_smp_processor_id(boot_cpuid);
+
+ /* Global interrupt distribution server is specified in the last
+ * entry of "ibm,ppc-interrupt-gserver#s" property. Get the last
+ * entry fom this property for current boot cpu id and use it as
+ * default distribution server
+ */
+ for (j = 0; j < i; j += 2) {
+ if (ireg[j] == hcpuid) {
+ default_server = hcpuid;
+ default_distrib_server = ireg[j+1];
+ }
+ }
+
+ /* get the bit size of server numbers */
+ isize = of_get_property(np, "ibm,interrupt-server#-size", NULL);
+ if (isize)
+ interrupt_server_size = *isize;
+
+ of_node_put(np);
+}
+
static void __init xics_map_one_cpu(int hw_id, unsigned long addr,
unsigned long size)
{
-#ifdef CONFIG_SMP
int i;
/* This may look gross but it's good enough for now, we don't quite
@@ -586,11 +631,6 @@ static void __init xics_map_one_cpu(int hw_id, unsigned long addr,
return;
}
}
-#else
- if (hw_id != 0)
- return;
- xics_per_cpu[0] = ioremap(addr, size);
-#endif /* CONFIG_SMP */
}
static void __init xics_init_one_node(struct device_node *np,
@@ -652,15 +692,17 @@ void __init xics_init_IRQ(void)
for_each_node_by_type(np, "PowerPC-External-Interrupt-Presentation") {
found = 1;
- if (firmware_has_feature(FW_FEATURE_LPAR))
+ if (firmware_has_feature(FW_FEATURE_LPAR)) {
+ of_node_put(np);
break;
+ }
xics_init_one_node(np, &indx);
}
if (found == 0)
return;
- xics_init_host();
xics_update_irq_servers();
+ xics_init_host();
if (firmware_has_feature(FW_FEATURE_LPAR))
ppc_md.get_irq = xics_get_irq_lpar;
@@ -672,30 +714,31 @@ void __init xics_init_IRQ(void)
ppc64_boot_msg(0x21, "XICS Done");
}
+/* Cpu startup, shutdown, and hotplug */
-#ifdef CONFIG_SMP
-void xics_request_IPIs(void)
+static void xics_set_cpu_priority(unsigned char cppr)
{
- unsigned int ipi;
- int rc;
-
- ipi = irq_create_mapping(xics_host, XICS_IPI);
- BUG_ON(ipi == NO_IRQ);
-
- /*
- * IPIs are marked IRQF_DISABLED as they must run with irqs
- * disabled
- */
- set_irq_handler(ipi, handle_percpu_irq);
if (firmware_has_feature(FW_FEATURE_LPAR))
- rc = request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED,
- "IPI", NULL);
+ lpar_cppr_info(cppr);
else
- rc = request_irq(ipi, xics_ipi_action_direct, IRQF_DISABLED,
- "IPI", NULL);
- BUG_ON(rc);
+ direct_cppr_info(cppr);
+ iosync();
+}
+
+/* Have the calling processor join or leave the specified global queue */
+static void xics_set_cpu_giq(unsigned int gserver, unsigned int join)
+{
+ int status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE,
+ (1UL << interrupt_server_size) - 1 - gserver, join);
+ WARN_ON(status < 0);
+}
+
+void xics_setup_cpu(void)
+{
+ xics_set_cpu_priority(0xff);
+
+ xics_set_cpu_giq(default_distrib_server, 1);
}
-#endif /* CONFIG_SMP */
void xics_teardown_cpu(void)
{
@@ -703,9 +746,7 @@ void xics_teardown_cpu(void)
xics_set_cpu_priority(0);
- /*
- * Clear IPI
- */
+ /* Clear any pending IPI request */
if (firmware_has_feature(FW_FEATURE_LPAR))
lpar_qirr_info(cpu, 0xff);
else
@@ -714,34 +755,28 @@ void xics_teardown_cpu(void)
void xics_kexec_teardown_cpu(int secondary)
{
- unsigned int ipi;
- struct irq_desc *desc;
-
xics_teardown_cpu();
/*
- * we need to EOI the IPI
+ * we take the ipi irq but and never return so we
+ * need to EOI the IPI, but want to leave our priority 0
*
- * probably need to check all the other interrupts too
+ * should we check all the other interrupts too?
* should we be flagging idle loop instead?
* or creating some task to be scheduled?
*/
- ipi = irq_find_mapping(xics_host, XICS_IPI);
- if (ipi == XICS_IRQ_SPURIOUS)
- return;
- desc = get_irq_desc(ipi);
- if (desc->chip && desc->chip->eoi)
- desc->chip->eoi(ipi);
+ if (firmware_has_feature(FW_FEATURE_LPAR))
+ lpar_xirr_info_set((0x00 << 24) | XICS_IPI);
+ else
+ direct_xirr_info_set((0x00 << 24) | XICS_IPI);
/*
* Some machines need to have at least one cpu in the GIQ,
* so leave the master cpu in the group.
*/
if (secondary)
- rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE,
- (1UL << interrupt_server_size) - 1 -
- default_distrib_server, 0);
+ xics_set_cpu_giq(default_distrib_server, 0);
}
#ifdef CONFIG_HOTPLUG_CPU
@@ -749,17 +784,18 @@ void xics_kexec_teardown_cpu(int secondary)
/* Interrupts are disabled. */
void xics_migrate_irqs_away(void)
{
- int status;
int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id();
unsigned int irq, virq;
+ /* If we used to be the default server, move to the new "boot_cpuid" */
+ if (hw_cpu == default_server)
+ xics_update_irq_servers();
+
/* Reject any interrupt that was queued to us... */
xics_set_cpu_priority(0);
- /* remove ourselves from the global interrupt queue */
- status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE,
- (1UL << interrupt_server_size) - 1 - default_distrib_server, 0);
- WARN_ON(status < 0);
+ /* Remove ourselves from the global interrupt queue */
+ xics_set_cpu_giq(default_distrib_server, 0);
/* Allow IPIs again... */
xics_set_cpu_priority(DEFAULT_PRIORITY);
@@ -767,6 +803,7 @@ void xics_migrate_irqs_away(void)
for_each_irq(virq) {
struct irq_desc *desc;
int xics_status[2];
+ int status;
unsigned long flags;
/* We cant set affinity on ISA interrupts */
@@ -790,9 +827,8 @@ void xics_migrate_irqs_away(void)
status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq);
if (status) {
- printk(KERN_ERR "migrate_irqs_away: irq=%u "
- "ibm,get-xive returns %d\n",
- virq, status);
+ printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n",
+ __func__, irq, status);
goto unlock;
}
diff --git a/arch/powerpc/platforms/pseries/xics.h b/arch/powerpc/platforms/pseries/xics.h
index 1c5321ae8f2..d1d5a83039a 100644
--- a/arch/powerpc/platforms/pseries/xics.h
+++ b/arch/powerpc/platforms/pseries/xics.h
@@ -12,20 +12,12 @@
#ifndef _POWERPC_KERNEL_XICS_H
#define _POWERPC_KERNEL_XICS_H
-#include <linux/cache.h>
-
extern void xics_init_IRQ(void);
extern void xics_setup_cpu(void);
extern void xics_teardown_cpu(void);
extern void xics_kexec_teardown_cpu(int secondary);
-extern void xics_cause_IPI(int cpu);
-extern void xics_request_IPIs(void);
extern void xics_migrate_irqs_away(void);
-
-struct xics_ipi_struct {
- volatile unsigned long value;
-} ____cacheline_aligned;
-
-extern struct xics_ipi_struct xics_ipi_message[NR_CPUS] __cacheline_aligned;
+extern int smp_xics_probe(void);
+extern void smp_xics_message_pass(int target, int msg);
#endif /* _POWERPC_KERNEL_XICS_H */