1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/speed-pxa25x.c b/arch/arm/mach-pxa/speed-pxa25x.c
new file mode 100644
index 0000000000..69143431e4
--- /dev/null
+++ b/arch/arm/mach-pxa/speed-pxa25x.c
@@ -0,0 +1,54 @@
+/*
+ * clock.h - implementation of the PXA clock functions
+ *
+ * Copyright (C) 2014 Robert Jarzmik <robert.jarzmik@free.fr>
+ *
+ * This file is released under the GPLv2
+ *
+ */
+
+#include <common.h>
+#include <mach/clock.h>
+#include <mach/pxa-regs.h>
+
+/* Crystal clock: 13MHz */
+#define BASE_CLK	13000000
+
+unsigned long pxa_get_uartclk(void)
+{
+	return 14857000;
+}
+
+unsigned long pxa_get_mmcclk(void)
+{
+	return 19500000;
+}
+
+/*
+ * Return the current LCD clock frequency in units of 10kHz as
+ */
+static unsigned int pxa_get_lcdclk_10khz(void)
+{
+	unsigned long ccsr;
+	unsigned int l, L, k, K;
+
+	ccsr = CCSR;
+
+	l = ccsr & 0x1f;
+	k = (l <= 7) ? 1 : (l <= 16) ? 2 : 4;
+
+	L = l * BASE_CLK;
+	K = L / k;
+
+	return (K / 10000);
+}
+
+unsigned long pxa_get_lcdclk(void)
+{
+	return pxa_get_lcdclk_10khz() * 10000;
+}
+
+unsigned long pxa_get_pwmclk(void)
+{
+	return BASE_CLK;
+}