1 /* 2 * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <generic_delay_timer.h> 32 #include <mmio.h> 33 #include <plat_arm.h> 34 #include <sp804_delay_timer.h> 35 #include <v2m_def.h> 36 #include "fvp_def.h" 37 #include "fvp_private.h" 38 39 40 void bl2_early_platform_setup(meminfo_t *mem_layout) 41 { 42 arm_bl2_early_platform_setup(mem_layout); 43 44 /* Initialize the platform config for future decision making */ 45 fvp_config_setup(); 46 } 47 48 void bl2_platform_setup(void) 49 { 50 arm_bl2_platform_setup(); 51 52 #if FVP_USE_SP804_TIMER 53 /* Enable the clock override for SP804 timer 0, which means that no 54 * clock dividers are applied and the raw (35 MHz) clock will be used */ 55 mmio_write_32(V2M_SP810_BASE, FVP_SP810_CTRL_TIM0_OV); 56 57 /* Initialize delay timer driver using SP804 dual timer 0 */ 58 sp804_timer_init(V2M_SP804_TIMER0_BASE, 59 SP804_TIMER_CLKMULT, SP804_TIMER_CLKDIV); 60 #else 61 generic_delay_timer_init(); 62 #endif /* FVP_USE_SP804_TIMER */ 63 } 64