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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-04-23 10:55:20 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-04-23 10:55:20 +1000
commitaec49c7c0e9d2abe88a3d7bc700fca66f05fd67d (patch)
treeaac7ff987592f8040ce68d5a28ece5fa4cb0fc50 /arch
parent932e9f352b5d685725076f21b237f7c7d804b29c (diff)
parent4351f30a35b8c6a6b6d4d36e5c2dc8ec0262b2ca (diff)
downloadlinux-linaro-stable-aec49c7c0e9d2abe88a3d7bc700fca66f05fd67d.tar.gz
Merge remote-tracking branch 'kumar/merge' into merge
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/boot/dts/fsl/pq3-mpic-message-B.dtsi43
-rw-r--r--arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi10
-rw-r--r--arch/powerpc/include/asm/mpic_msgr.h1
-rw-r--r--arch/powerpc/include/asm/reg_booke.h5
-rw-r--r--arch/powerpc/kernel/setup_32.c3
-rw-r--r--arch/powerpc/platforms/85xx/common.c6
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c11
-rw-r--r--arch/powerpc/platforms/85xx/p1022_ds.c13
-rw-r--r--arch/powerpc/sysdev/mpic_msgr.c12
9 files changed, 71 insertions, 33 deletions
diff --git a/arch/powerpc/boot/dts/fsl/pq3-mpic-message-B.dtsi b/arch/powerpc/boot/dts/fsl/pq3-mpic-message-B.dtsi
new file mode 100644
index 000000000000..1cf0b77b1efe
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/pq3-mpic-message-B.dtsi
@@ -0,0 +1,43 @@
+/*
+ * PQ3 MPIC Message (Group B) device tree stub [ controller @ offset 0x42400 ]
+ *
+ * Copyright 2012 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+message@42400 {
+ compatible = "fsl,mpic-v3.1-msgr";
+ reg = <0x42400 0x200>;
+ interrupts = <
+ 0xb4 2 0 0
+ 0xb5 2 0 0
+ 0xb6 2 0 0
+ 0xb7 2 0 0>;
+};
diff --git a/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi b/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi
index fdedf7b1fe0f..71c30eb10056 100644
--- a/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi
+++ b/arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi
@@ -53,6 +53,16 @@ timer@41100 {
3 0 3 0>;
};
+message@41400 {
+ compatible = "fsl,mpic-v3.1-msgr";
+ reg = <0x41400 0x200>;
+ interrupts = <
+ 0xb0 2 0 0
+ 0xb1 2 0 0
+ 0xb2 2 0 0
+ 0xb3 2 0 0>;
+};
+
msi@41600 {
compatible = "fsl,mpic-msi";
reg = <0x41600 0x80>;
diff --git a/arch/powerpc/include/asm/mpic_msgr.h b/arch/powerpc/include/asm/mpic_msgr.h
index 3ec37dc9003e..326d33ca55cd 100644
--- a/arch/powerpc/include/asm/mpic_msgr.h
+++ b/arch/powerpc/include/asm/mpic_msgr.h
@@ -13,6 +13,7 @@
#include <linux/types.h>
#include <linux/spinlock.h>
+#include <asm/smp.h>
struct mpic_msgr {
u32 __iomem *base;
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index b86faa9107da..8a97aa7289d3 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -15,11 +15,6 @@
#ifndef __ASM_POWERPC_REG_BOOKE_H__
#define __ASM_POWERPC_REG_BOOKE_H__
-#ifdef CONFIG_BOOKE_WDT
-extern u32 booke_wdt_enabled;
-extern u32 booke_wdt_period;
-#endif /* CONFIG_BOOKE_WDT */
-
/* Machine State Register (MSR) Fields */
#define MSR_GS (1<<28) /* Guest state */
#define MSR_UCLE (1<<26) /* User-mode cache lock enable */
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 9825f29d1faf..ec8a53fa9e8f 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -150,6 +150,9 @@ notrace void __init machine_init(u64 dt_ptr)
}
#ifdef CONFIG_BOOKE_WDT
+extern u32 booke_wdt_enabled;
+extern u32 booke_wdt_period;
+
/* Checks wdt=x and wdt_period=xx command-line option */
notrace int __init early_parse_wdt(char *p)
{
diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c
index 9fef5302adc1..67dac22b4363 100644
--- a/arch/powerpc/platforms/85xx/common.c
+++ b/arch/powerpc/platforms/85xx/common.c
@@ -21,6 +21,12 @@ static struct of_device_id __initdata mpc85xx_common_ids[] = {
{ .compatible = "fsl,qe", },
{ .compatible = "fsl,cpm2", },
{ .compatible = "fsl,srio", },
+ /* So that the DMA channel nodes can be probed individually: */
+ { .compatible = "fsl,eloplus-dma", },
+ /* For the PMC driver */
+ { .compatible = "fsl,mpc8548-guts", },
+ /* Probably unnecessary? */
+ { .compatible = "gpio-leds", },
{},
};
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 9a6f04406e0d..d208ebccb91c 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -399,12 +399,6 @@ static int __init board_fixups(void)
machine_arch_initcall(mpc8568_mds, board_fixups);
machine_arch_initcall(mpc8569_mds, board_fixups);
-static struct of_device_id mpc85xx_ids[] = {
- { .compatible = "fsl,mpc8548-guts", },
- { .compatible = "gpio-leds", },
- {},
-};
-
static int __init mpc85xx_publish_devices(void)
{
if (machine_is(mpc8568_mds))
@@ -412,10 +406,7 @@ static int __init mpc85xx_publish_devices(void)
if (machine_is(mpc8569_mds))
simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
- mpc85xx_common_publish_devices();
- of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
-
- return 0;
+ return mpc85xx_common_publish_devices();
}
machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index e74b7cde9aee..f700c81a1321 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -460,18 +460,7 @@ static void __init p1022_ds_setup_arch(void)
pr_info("Freescale P1022 DS reference board\n");
}
-static struct of_device_id __initdata p1022_ds_ids[] = {
- /* So that the DMA channel nodes can be probed individually: */
- { .compatible = "fsl,eloplus-dma", },
- {},
-};
-
-static int __init p1022_ds_publish_devices(void)
-{
- mpc85xx_common_publish_devices();
- return of_platform_bus_probe(NULL, p1022_ds_ids, NULL);
-}
-machine_device_initcall(p1022_ds, p1022_ds_publish_devices);
+machine_device_initcall(p1022_ds, mpc85xx_common_publish_devices);
machine_arch_initcall(p1022_ds, swiotlb_setup_bus_notifier);
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index 6e7fa386e76a..483d8fa72e8b 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -27,6 +27,7 @@
static struct mpic_msgr **mpic_msgrs;
static unsigned int mpic_msgr_count;
+static DEFINE_RAW_SPINLOCK(msgrs_lock);
static inline void _mpic_msgr_mer_write(struct mpic_msgr *msgr, u32 value)
{
@@ -56,12 +57,11 @@ struct mpic_msgr *mpic_msgr_get(unsigned int reg_num)
if (reg_num >= mpic_msgr_count)
return ERR_PTR(-ENODEV);
- raw_spin_lock_irqsave(&msgr->lock, flags);
- if (mpic_msgrs[reg_num]->in_use == MSGR_FREE) {
- msgr = mpic_msgrs[reg_num];
+ raw_spin_lock_irqsave(&msgrs_lock, flags);
+ msgr = mpic_msgrs[reg_num];
+ if (msgr->in_use == MSGR_FREE)
msgr->in_use = MSGR_INUSE;
- }
- raw_spin_unlock_irqrestore(&msgr->lock, flags);
+ raw_spin_unlock_irqrestore(&msgrs_lock, flags);
return msgr;
}
@@ -228,7 +228,7 @@ static __devinit int mpic_msgr_probe(struct platform_device *dev)
reg_number = block_number * MPIC_MSGR_REGISTERS_PER_BLOCK + i;
msgr->base = msgr_block_addr + i * MPIC_MSGR_STRIDE;
- msgr->mer = msgr->base + MPIC_MSGR_MER_OFFSET;
+ msgr->mer = (u32 *)((u8 *)msgr->base + MPIC_MSGR_MER_OFFSET);
msgr->in_use = MSGR_FREE;
msgr->num = i;
raw_spin_lock_init(&msgr->lock);