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Merge remote-tracking branch 'kumar/merge' into merge

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This commit is contained in:
Benjamin Herrenschmidt 2012-04-23 10:55:20 +10:00
commit aec49c7c0e
9 changed files with 71 additions and 33 deletions
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43
arch/powerpc/boot/dts/fsl/pq3-mpic-message-B.dtsi Normal file
View File

@ -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>;
};

10
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi
View File

@ -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>;

1
arch/powerpc/include/asm/mpic_msgr.h
View File

@ -13,6 +13,7 @@
#include <linux/types.h>
#include <linux/spinlock.h>
#include <asm/smp.h>
struct mpic_msgr {
u32 __iomem *base;

5
arch/powerpc/include/asm/reg_booke.h
View File

@ -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 */

3
arch/powerpc/kernel/setup_32.c
View File

@ -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)
{

6
arch/powerpc/platforms/85xx/common.c
View File

@ -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", },
{},
};

11
arch/powerpc/platforms/85xx/mpc85xx_mds.c
View File

@ -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);

13
arch/powerpc/platforms/85xx/p1022_ds.c
View File

@ -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);

12
arch/powerpc/sysdev/mpic_msgr.c
View File

@ -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);