fsp_report.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/symbols.h>
#include <console/console.h>
#include <fsp/util.h>
 
/* filled in assembly after FSP-T ran */
uintptr_t temp_memory_start;
uintptr_t temp_memory_end;
 
void report_fsp_output(void)
{
        const struct region fsp_car_region = {
                .offset = temp_memory_start,
                .size = temp_memory_end - temp_memory_start,
        };
        const struct region coreboot_car_region = {
                .offset = (uintptr_t)_car_region_start,
                .size = (uintptr_t)_car_region_size,
        };
        printk(BIOS_DEBUG, "FSP: reported temp_mem region: [0x%08lx,0x%08lx)\n",
               temp_memory_start, temp_memory_end);
        if (!region_is_subregion(&fsp_car_region, &coreboot_car_region)) {
                printk(BIOS_ERR, "Wrong CAR region used!\n");
                printk(BIOS_ERR, "Adapt DCACHE_RAM_BASE and DCACHE_RAM_SIZE to match FSP-T\n");
        }
}