Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-rockchip / headsmp.S

diff --git a/kernel/arch/arm/mach-rockchip/headsmp.S b/kernel/arch/arm/mach-rockchip/headsmp.S
new file mode 100644 (file)
index 0000000..46c22de
--- /dev/null
+++ b/kernel/arch/arm/mach-rockchip/headsmp.S
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2013 MundoReader S.L.
+ * Author: Heiko Stuebner <heiko@sntech.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+ENTRY(rockchip_secondary_startup)
+       mrc     p15, 0, r0, c0, c0, 0   @ read main ID register
+       ldr     r1, =0x00000c09         @ Cortex-A9 primary part number
+       teq     r0, r1
+       beq     v7_invalidate_l1
+       b       secondary_startup
+ENDPROC(rockchip_secondary_startup)
+
+ENTRY(rockchip_secondary_trampoline)
+       ldr     pc, 1f
+ENDPROC(rockchip_secondary_trampoline)
+       .globl  rockchip_boot_fn
+rockchip_boot_fn:
+1:     .space  4
+
+ENTRY(rockchip_secondary_trampoline_end)