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 <generic_delay_timer.h>
   8 #include <mmio.h>
   9 #include <plat_arm.h>
  10 #include <platform.h>
  11 #include <sp804_delay_timer.h>
  12 #include <v2m_def.h>
  13 #include "fvp_def.h"
  14 #include "fvp_private.h"
  15
  16 void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1, u_register_t arg2, u_register_t arg3)
  17 {
  18         arm_bl2_early_platform_setup((uintptr_t)arg0, (meminfo_t *)arg1);
  19
  20         /* Initialize the platform config for future decision making */
  21         fvp_config_setup();
  22 }
  23
  24 void bl2_platform_setup(void)
  25 {
  26         arm_bl2_platform_setup();
  27
  28 #if FVP_USE_SP804_TIMER
  29         /* Enable the clock override for SP804 timer 0, which means that no
  30          * clock dividers are applied and the raw (35 MHz) clock will be used */
  31         mmio_write_32(V2M_SP810_BASE, FVP_SP810_CTRL_TIM0_OV);
  32
  33         /* Initialize delay timer driver using SP804 dual timer 0 */
  34         sp804_timer_init(V2M_SP804_TIMER0_BASE,
  35                         SP804_TIMER_CLKMULT, SP804_TIMER_CLKDIV);
  36 #else
  37         generic_delay_timer_init();
  38 #endif /* FVP_USE_SP804_TIMER */
  39 }