bootblock.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/exception.h>
#include <console/console.h>
#include <delay.h>
#include <program_loading.h>
#include <symbols.h>
#include <timestamp.h>
#include <soc/bootblock.h>
 
__attribute__((weak)) void bootblock_mainboard_early_init(void) { /* no-op */ }
__attribute__((weak)) void bootblock_soc_early_init(void) { /* do nothing */ }
__attribute__((weak)) void bootblock_soc_init(void) { /* do nothing */ }
__attribute__((weak)) void bootblock_mainboard_init(void) { /* do nothing */ }
 
/* C code entry point for the boot block */
void bootblock_main(const uint64_t reg_x0,
                    const uint64_t reg_pc)
{
        init_timer();
 
        /* Initialize timestamps if we have TIMESTAMP region in memlayout.ld. */
        if (CONFIG(COLLECT_TIMESTAMPS) && REGION_SIZE(timestamp) > 0)
                timestamp_init(timestamp_get());
 
        bootblock_soc_early_init();
        bootblock_mainboard_early_init();
 
        if (CONFIG(BOOTBLOCK_CONSOLE)) {
                console_init();
                exception_init();
 
                if (reg_x0)
                        printk(BIOS_ERR,
                               "BOOTBLOCK: RST Boot Failure Code %lld\n",
                               reg_x0);
        }
 
        bootblock_soc_init();
        bootblock_mainboard_init();
 
        run_romstage();
}