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arm-trusted-firmware / plat / arm / board / fvp / fvp_bl2_setup.c
@Juan Castillo Juan Castillo on 4 Dec 2015 2 KB Fix SP804 delay timer on FVP
/*
 * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
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 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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#include <mmio.h>
#include <plat_arm.h>
#include <sp804_delay_timer.h>
#include <v2m_def.h>
#include "fvp_def.h"
#include "fvp_private.h"


void bl2_early_platform_setup(meminfo_t *mem_layout)
{
	arm_bl2_early_platform_setup(mem_layout);

	/* Initialize the platform config for future decision making */
	fvp_config_setup();
}

void bl2_platform_setup(void)
{
	arm_bl2_platform_setup();

	/* Enable the clock override for SP804 timer 0, which means that no
	 * clock dividers are applied and the raw (35 MHz) clock will be used */
	mmio_write_32(V2M_SP810_BASE, FVP_SP810_CTRL_TIM0_OV);

	/* Initialize delay timer driver using SP804 dual timer 0 */
	sp804_timer_init(V2M_SP804_TIMER0_BASE,
			SP804_TIMER_CLKMULT, SP804_TIMER_CLKDIV);
}