From: Michal Simek <michal.simek@xilinx.com>
Date: Mon, 21 Jul 2014 11:22:10 +0000 (+0200)
Subject: zynqmp: Provide actual ttc and clk frequency
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=842d9d81a9173ae2edae51059536b667051d4d31;p=thirdparty%2Fu-boot.git

zynqmp: Provide actual ttc and clk frequency

Based on platform selection provides clock settings.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/arch/arm/cpu/armv8/zynqmp/clk.c b/arch/arm/cpu/armv8/zynqmp/clk.c
index fef7cb7a8f1..2c51ad2901b 100644
--- a/arch/arm/cpu/armv8/zynqmp/clk.c
+++ b/arch/arm/cpu/armv8/zynqmp/clk.c
@@ -5,12 +5,25 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sys_proto.h>
+
 unsigned long get_uart_clk(int dev_id)
 {
-	return 25000000;
+	u32 ver = zynqmp_get_silicon_version();
+
+	switch (ver) {
+	case ZYNQMP_CSU_VERSION_VELOCE:
+		return 400000;
+	case ZYNQMP_CSU_VERSION_EP108:
+		return 25000000;
+	}
+
+	return 133000000;
 }
 
 unsigned long get_ttc_clk(int dev_id)
 {
-	return 25000000;
+	return get_uart_clk(dev_id);
 }