Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / armv7 / s5pc1xx / reset.S

diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/s5pc1xx/reset.S b/qemu/roms/u-boot/arch/arm/cpu/armv7/s5pc1xx/reset.S
new file mode 100644 (file)
index 0000000..bd74f2b
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/s5pc1xx/reset.S
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <asm/arch/cpu.h>
+#include <linux/linkage.h>
+
+#define S5PC100_SWRESET                        0xE0200000
+#define S5PC110_SWRESET                        0xE0102000
+
+ENTRY(reset_cpu)
+       ldr     r1, =S5PC100_PRO_ID
+       ldr     r2, [r1]
+       ldr     r4, =0x00010000
+       and     r4, r2, r4
+       cmp     r4, #0
+       bne     110f
+       /* S5PC100 */
+       ldr     r1, =S5PC100_SWRESET
+       ldr     r2, =0xC100
+       b       200f
+110:   /* S5PC110 */
+       ldr     r1, =S5PC110_SWRESET
+       mov     r2, #1
+200:
+       str     r2, [r1]
+_loop_forever:
+       b       _loop_forever
+ENDPROC(reset_cpu)