plat/arm/board/fvp/fvp_bl2_setup.c

   1 /*
   2  * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
   3  *
   4  * SPDX-License-Identifier: BSD-3-Clause
   5  */
   6
   7 #include <drivers/arm/sp804_delay_timer.h>
   8 #include <drivers/generic_delay_timer.h>
   9 #include <lib/mmio.h>
  10 #include <plat/common/platform.h>
  11
  12 #include <plat_arm.h>
  13 #include <v2m_def.h>
  14 #include "fvp_def.h"
  15 #include "fvp_private.h"
  16
  17 void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3)
  18 {
  19         arm_bl2_early_platform_setup((uintptr_t)arg0, (meminfo_t *)arg1);
  20
  21         /* Initialize the platform config for future decision making */
  22         fvp_config_setup();
  23 }
  24
  25 void bl2_platform_setup(void)
  26 {
  27         arm_bl2_platform_setup();
  28
  29 #if FVP_USE_SP804_TIMER
  30         /* Enable the clock override for SP804 timer 0, which means that no
  31          * clock dividers are applied and the raw (35 MHz) clock will be used */
  32         mmio_write_32(V2M_SP810_BASE, FVP_SP810_CTRL_TIM0_OV);
  33
  34         /* Initialize delay timer driver using SP804 dual timer 0 */
  35         sp804_timer_init(V2M_SP804_TIMER0_BASE,
  36                         SP804_TIMER_CLKMULT, SP804_TIMER_CLKDIV);
  37 #else
  38         generic_delay_timer_init();
  39 #endif /* FVP_USE_SP804_TIMER */
  40 }