mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
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32cd95f094
Added a build flag to select the generic delay timer on FVP instead of the SP804 timer. By default, the generic one will be selected. The user guide has been updated. Change-Id: Ica34425c6d4ed95a187b529c612f6d3b26b78bc6
63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
/*
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* Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <generic_delay_timer.h>
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#include <mmio.h>
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#include <plat_arm.h>
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#include <sp804_delay_timer.h>
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#include <v2m_def.h>
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#include "fvp_def.h"
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#include "fvp_private.h"
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void bl2_early_platform_setup(meminfo_t *mem_layout)
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{
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arm_bl2_early_platform_setup(mem_layout);
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/* Initialize the platform config for future decision making */
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fvp_config_setup();
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}
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void bl2_platform_setup(void)
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{
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arm_bl2_platform_setup();
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#if FVP_USE_SP804_TIMER
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/* Enable the clock override for SP804 timer 0, which means that no
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* clock dividers are applied and the raw (35 MHz) clock will be used */
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mmio_write_32(V2M_SP810_BASE, FVP_SP810_CTRL_TIM0_OV);
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/* Initialize delay timer driver using SP804 dual timer 0 */
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sp804_timer_init(V2M_SP804_TIMER0_BASE,
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SP804_TIMER_CLKMULT, SP804_TIMER_CLKDIV);
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#else
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generic_delay_timer_init();
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#endif /* FVP_USE_SP804_TIMER */
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}
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