/*******************************************************************************
* Initialize the gic, configure the SCR.
******************************************************************************/
void bl31_platform_setup(void)
{
uint32_t tmp_reg;
/*
* Initialize delay timer
*/
tegra_delay_timer_init();
/*
* Setup secondary CPU POR infrastructure.
*/
plat_secondary_setup();
/*
* Initial Memory Controller configuration.
*/
tegra_memctrl_setup();
/*
* Do initial security configuration to allow DRAM/device access.
*/
tegra_memctrl_tzdram_setup(tegra_bl31_phys_base,
plat_bl31_params_from_bl2.tzdram_size);
/* Set the next EL to be AArch64 */
tmp_reg = SCR_RES1_BITS | SCR_RW_BIT;
write_scr(tmp_reg);
/* Initialize the gic cpu and distributor interfaces */
tegra_gic_setup();
}
/*******************************************************************************
* Initialize the gic, configure the SCR.
******************************************************************************/
void bl31_platform_setup(void)
{
/*
* Add timestamp for platform setup entry.
*/
boot_profiler_add_record("[TF] plat setup entry");
/* Initialize the gic cpu and distributor interfaces */
plat_gic_setup();
/*
* Setup secondary CPU POR infrastructure.
*/
plat_secondary_setup();
/*
* Initial Memory Controller configuration.
*/
tegra_memctrl_setup();
/*
* Set up the TZRAM memory aperture to allow only secure world
* access
*/
tegra_memctrl_tzram_setup(TEGRA_TZRAM_BASE, TEGRA_TZRAM_SIZE);
/*
* Late setup handler to allow platforms to performs additional
* functionality.
* This handler gets called with MMU enabled.
*/
plat_late_platform_setup();
/*
* Add timestamp for platform setup exit.
*/
boot_profiler_add_record("[TF] plat setup exit");
INFO("BL3-1: Tegra platform setup complete\n");
}
/*******************************************************************************
* Handler called when a power domain has just been powered on after
* being turned off earlier. The target_state encodes the low power state that
* each level has woken up from.
******************************************************************************/
void tegra_pwr_domain_on_finish(const psci_power_state_t *target_state)
{
plat_params_from_bl2_t *plat_params;
/*
* Initialize the GIC cpu and distributor interfaces
*/
tegra_gic_setup();
/*
* Check if we are exiting from deep sleep.
*/
if (target_state->pwr_domain_state[PLAT_MAX_PWR_LVL] ==
PSTATE_ID_SOC_POWERDN) {
/*
* Lock scratch registers which hold the CPU vectors.
*/
tegra_pmc_lock_cpu_vectors();
/*
* SMMU configuration.
*/
tegra_memctrl_setup();
/*
* Security configuration to allow DRAM/device access.
*/
plat_params = bl31_get_plat_params();
tegra_memctrl_tzdram_setup(tegra_bl31_phys_base,
plat_params->tzdram_size);
}
/*
* Reset hardware settings.
*/
tegra_soc_pwr_domain_on_finish(target_state);
}
