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omap: Fix sev instruction usage for multi-omap

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Otherwise we get the following error with omap3_defconfig and CONFIG_SMP:

Error: selected processor does not support `sev'

Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
This commit is contained in:
Tony Lindgren 2010-08-16 09:21:20 +03:00
parent 8098bb0d8c
commit a4192d32ae
3 changed files with 2 additions and 9 deletions
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1
arch/arm/mach-omap2/Makefile
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@ -25,6 +25,7 @@ obj-$(CONFIG_LOCAL_TIMERS) += timer-mpu.o
obj-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o
obj-$(CONFIG_ARCH_OMAP4) += omap44xx-smc.o omap4-common.o
AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a
AFLAGS_omap44xx-smc.o :=-Wa,-march=armv7-a
# Functions loaded to SRAM

3
arch/arm/mach-omap2/omap-smp.c
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@ -102,8 +102,7 @@ static void __init wakeup_secondary(void)
* Send a 'sev' to wake the secondary core from WFE.
* Drain the outstanding writes to memory
*/
dsb();
set_event();
dsb_sev();
mb();
}

7
arch/arm/plat-omap/include/plat/smp.h
View File

@ -19,13 +19,6 @@
#include <asm/hardware/gic.h>
/*
* set_event() is used to wake up secondary core from wfe using sev. ROM
* code puts the second core into wfe(standby).
*
*/
#define set_event() __asm__ __volatile__ ("sev" : : : "memory")
/* Needed for secondary core boot */
extern void omap_secondary_startup(void);
extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);