diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/romstage.c')
-rw-r--r-- | src/soc/amd/stoneyridge/romstage.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/romstage.c b/src/soc/amd/stoneyridge/romstage.c new file mode 100644 index 0000000000..1380fb7672 --- /dev/null +++ b/src/soc/amd/stoneyridge/romstage.c @@ -0,0 +1,52 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015-2016 Advanced Micro Devices, Inc. + * + * 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; version 2 of the License. + * + * 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 <cbmem.h> +#include <console/console.h> +#include <program_loading.h> +#include <agesawrapper.h> +#include <agesawrapper_call.h> +#include <soc/northbridge.h> +#include <soc/hudson.h> +#include <amdblocks/psp.h> + +asmlinkage void car_stage_entry(void) +{ + console_init(); + + post_code(0x40); + AGESAWRAPPER(amdinitpost); + + post_code(0x41); + psp_notify_dram(); + + post_code(0x42); + cbmem_initialize_empty(); + + /* + * This writes contents to DRAM backing before teardown. + * todo: move CAR teardown to postcar implementation and + * relocate amdinitenv to ramstage. + */ + chipset_teardown_car(); + + post_code(0x43); + AGESAWRAPPER(amdinitenv); + + post_code(0x50); + run_ramstage(); + + post_code(0x54); /* Should never see this post code. */ +} |