diff options
Diffstat (limited to 'src/soc/intel/baytrail/refcode.c')
| -rw-r--r-- | src/soc/intel/baytrail/refcode.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/refcode.c b/src/soc/intel/baytrail/refcode.c new file mode 100644 index 0000000000..1d88ef7eb9 --- /dev/null +++ b/src/soc/intel/baytrail/refcode.c @@ -0,0 +1,60 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Google 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <cbmem.h> +#include <console/console.h> +#include <rmodule.h> + +#include <baytrail/ramstage.h> +#include <baytrail/efi_wrapper.h> + +static void ABI_X86 send_to_console(unsigned char b) +{ + console_tx_byte(b); +} + +void baytrail_run_reference_code(void) +{ + int ret; + efi_wrapper_entry_t entry; + struct efi_wrapper_params wrp = { + .version = EFI_WRAPPER_VER, + .console_out = send_to_console, + }; + struct rmod_stage_load refcode = { + .cbmem_id = CBMEM_ID_REFCODE, + .name = CONFIG_CBFS_PREFIX "/refcode", + }; + + if (rmodule_stage_load_from_cbfs(&refcode) || refcode.entry == NULL) { + printk(BIOS_DEBUG, "Error loading reference code.\n"); + return; + } + + entry = refcode.entry; + + /* Call into reference code. */ + ret = entry(&wrp); + + if (ret != 0) { + printk(BIOS_DEBUG, "Reference code returned %d\n", ret); + return; + } +} + |