bootblock.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/cache.h>
#include <bootblock_common.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <soc/grf.h>
#include <soc/timer.h>
#include <symbols.h>
 
void bootblock_soc_init(void)
{
        rkclk_init();
 
        mmu_init();
        /* Start with a clean slate. */
        mmu_config_range(0, 4096, DCACHE_OFF);
        /* SRAM is tightly wedged between registers, need to use subtables. Map
         * write-through as equivalent for non-cacheable without XN on A17. */
        mmu_config_range_kb((uintptr_t)_sram/KiB,
                            REGION_SIZE(sram)/KiB, DCACHE_WRITETHROUGH);
        dcache_mmu_enable();
 
        rkclk_configure_crypto(148500*KHz);
}