Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / armv7 / highbank / timer.c

diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/highbank/timer.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/highbank/timer.c
new file mode 100644 (file)
index 0000000..d56bf21
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/highbank/timer.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2011 Calxeda, Inc.
+ *
+ * Based on arm926ejs/mx27/timer.c
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch-armv7/systimer.h>
+
+#undef SYSTIMER_BASE
+#define SYSTIMER_BASE          0xFFF34000      /* Timer 0 and 1 base   */
+
+static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE;
+
+/*
+ * Start the timer
+ */
+int timer_init(void)
+{
+       /*
+        * Setup timer0
+        */
+       writel(0, &systimer_base->timer0control);
+       writel(SYSTIMER_RELOAD, &systimer_base->timer0load);
+       writel(SYSTIMER_RELOAD, &systimer_base->timer0value);
+       writel(SYSTIMER_EN | SYSTIMER_32BIT | SYSTIMER_PRESC_256,
+               &systimer_base->timer0control);
+
+       return 0;
+
+}