Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/plat/marvell/armada/common/plat_delay_timer.c b/plat/marvell/armada/common/plat_delay_timer.c
new file mode 100644
index 0000000..2539752
--- /dev/null
+++ b/plat/marvell/armada/common/plat_delay_timer.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#include <arch_helpers.h>
+#include <drivers/delay_timer.h>
+
+#include <mvebu_def.h>
+
+#define SYS_COUNTER_FREQ_IN_MHZ	(COUNTER_FREQUENCY/1000000)
+
+static uint32_t plat_get_timer_value(void)
+{
+	/*
+	 * Generic delay timer implementation expects the timer to be a down
+	 * counter. We apply bitwise NOT operator to the tick values returned
+	 * by read_cntpct_el0() to simulate the down counter.
+	 */
+	return (uint32_t)(~read_cntpct_el0());
+}
+
+static const timer_ops_t plat_timer_ops = {
+	.get_timer_value	= plat_get_timer_value,
+	.clk_mult		= 1,
+	.clk_div		= SYS_COUNTER_FREQ_IN_MHZ
+};
+
+void plat_delay_timer_init(void)
+{
+	timer_init(&plat_timer_ops);
+}