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authorThomas Gleixner <tglx@linutronix.de>2010-02-17 18:27:37 +0100
committerThomas Gleixner <tglx@linutronix.de>2010-02-17 18:28:05 +0100
commitb7e56edba4b02f2079042c326a8cd72a44635817 (patch)
treeb5042002e9747cd8fb1278d61f86d8b92a74c018 /arch/arm/mach-omap2/omap-headsmp.S
parentx86: Use the generic page_is_ram() (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 (diff)
downloadlinux-b7e56edba4b02f2079042c326a8cd72a44635817.tar.xz
linux-b7e56edba4b02f2079042c326a8cd72a44635817.zip
Merge branch 'linus' into x86/mm
x86/mm is on 32-rc4 and missing the spinlock namespace changes which are needed for further commits into this topic. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/mach-omap2/omap-headsmp.S')
-rw-r--r--arch/arm/mach-omap2/omap-headsmp.S35
1 files changed, 27 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S
index 4afadba09477..aa3f65c2ac97 100644
--- a/arch/arm/mach-omap2/omap-headsmp.S
+++ b/arch/arm/mach-omap2/omap-headsmp.S
@@ -27,20 +27,39 @@
* OMAP4 specific entry point for secondary CPU to jump from ROM
* code. This routine also provides a holding flag into which
* secondary core is held until we're ready for it to initialise.
- * The primary core will update the this flag using a hardware
- * register AuxCoreBoot1.
+ * The primary core will update this flag using a hardware
+ * register AuxCoreBoot0.
*/
ENTRY(omap_secondary_startup)
- mrc p15, 0, r0, c0, c0, 5
- and r0, r0, #0x0f
-hold: ldr r1, =OMAP4_AUX_CORE_BOOT1_PA @ read from AuxCoreBoot1
- ldr r2, [r1]
- cmp r2, r0
+hold: ldr r12,=0x103
+ dsb
+ smc @ read from AuxCoreBoot0
+ mov r0, r0, lsr #9
+ mrc p15, 0, r4, c0, c0, 5
+ and r4, r4, #0x0f
+ cmp r0, r4
bne hold
/*
- * we've been released from the cpu_release,secondary_stack
+ * we've been released from the wait loop,secondary_stack
* should now contain the SVC stack for this core
*/
b secondary_startup
+END(omap_secondary_startup)
+
+ENTRY(omap_modify_auxcoreboot0)
+ stmfd sp!, {r1-r12, lr}
+ ldr r12, =0x104
+ dsb
+ smc
+ ldmfd sp!, {r1-r12, pc}
+END(omap_modify_auxcoreboot0)
+
+ENTRY(omap_auxcoreboot_addr)
+ stmfd sp!, {r2-r12, lr}
+ ldr r12, =0x105
+ dsb
+ smc
+ ldmfd sp!, {r2-r12, pc}
+END(omap_auxcoreboot_addr)