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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2013 Soren Brinkmann <soren.brinkmann@xilinx.com>
* Copyright (C) 2013 Xilinx, Inc. All rights reserved.
*/
#include <clk.h>
#include <common.h>
#include <dm.h>
#include <init.h>
#include <malloc.h>
#include <asm/arch/clk.h>
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
/**
* set_cpu_clk_info() - Setup clock information
*
* This function is called from common code after relocation and sets up the
* clock information.
*/
int set_cpu_clk_info(void)
{
struct clk clk;
struct udevice *dev;
ulong rate;
int i, ret;
ret = uclass_get_device_by_driver(UCLASS_CLK,
DM_DRIVER_GET(zynq_clk), &dev);
if (ret)
return ret;
for (i = 0; i < 2; i++) {
clk.id = i ? ddr3x_clk : cpu_6or4x_clk;
ret = clk_request(dev, &clk);
if (ret < 0)
return ret;
rate = clk_get_rate(&clk) / 1000000;
if (i) {
gd->bd->bi_ddr_freq = rate;
} else {
gd->bd->bi_arm_freq = rate;
gd->cpu_clk = clk_get_rate(&clk);
}
clk_free(&clk);
}
gd->bd->bi_dsp_freq = 0;
return 0;
}
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