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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-highbank/timer.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-highbank/timer.c')
-rw-r--r--roms/u-boot/arch/arm/mach-highbank/timer.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-highbank/timer.c b/roms/u-boot/arch/arm/mach-highbank/timer.c
new file mode 100644
index 000000000..2423a0e37
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-highbank/timer.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2010-2011 Calxeda, Inc.
+ *
+ * Based on arm926ejs/mx27/timer.c
+ */
+
+#include <common.h>
+#include <init.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;
+
+}