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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-27 10:40:19 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-27 10:40:19 +0900
commitf35c69b736e4f910d7447346980145212c283570 (patch)
tree824b90cd870e6de07bbba19d761c1c74cf1fb4a7 /arch/arm/mach-imx/headsmp.S
parentcd4373984a5903276f52777a6003425e023eaa7e (diff)
parente4aa937ec75df0eea0bee03bffa3303ad36c986b (diff)
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Merge 3.10-rc3 into char-misc-next
We want the changes in here. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-imx/headsmp.S')
-rw-r--r--arch/arm/mach-imx/headsmp.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S
index 67b9c48dcafe..627f16f0e9d1 100644
--- a/arch/arm/mach-imx/headsmp.S
+++ b/arch/arm/mach-imx/headsmp.S
@@ -18,8 +18,20 @@
.section ".text.head", "ax"
#ifdef CONFIG_SMP
+diag_reg_offset:
+ .word g_diag_reg - .
+
+ .macro set_diag_reg
+ adr r0, diag_reg_offset
+ ldr r1, [r0]
+ add r1, r1, r0 @ r1 = physical &g_diag_reg
+ ldr r0, [r1]
+ mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register
+ .endm
+
ENTRY(v7_secondary_startup)
bl v7_invalidate_l1
+ set_diag_reg
b secondary_startup
ENDPROC(v7_secondary_startup)
#endif