/* * This file is part of the coreboot project. * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include #include #include #include asmlinkage void car_stage_entry(void) { struct postcar_frame pcf; uintptr_t top_of_ram; printk(BIOS_DEBUG, "FSP TempRamInit was successful...\n"); console_init(); rtc_init(); fsp_memory_init(false); printk(BIOS_DEBUG, "coreboot fsp_memory_init finished...\n"); unlock_pam_regions(); if (postcar_frame_init(&pcf, 1 * KiB)) die("Unable to initialize postcar frame.\n"); /* * We need to make sure ramstage will be run cached. At this point exact * location of ramstage in cbmem is not known. Instruct postcar to cache * 16 megs under cbmem top which is a safe bet to cover ramstage. */ top_of_ram = (uintptr_t)cbmem_top(); printk(BIOS_DEBUG, "top_of_ram: 0x%lx\n", top_of_ram); postcar_frame_add_mtrr(&pcf, top_of_ram - 16 * MiB, 16 * MiB, MTRR_TYPE_WRBACK); /* Cache the memory-mapped boot media. */ postcar_frame_add_romcache(&pcf, MTRR_TYPE_WRPROT); run_postcar_phase(&pcf); } __weak void mainboard_memory_init_params(FSPM_UPD *mupd) { printk(BIOS_SPEW, "WARNING: using default FSP-M parameters!\n"); }