xref: /aosp_15_r20/external/coreboot/src/drivers/ocp/vpd/loglevel_vpd.c (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c) 
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <cpu/x86/smm.h>
4 #include <console/console.h>
5 #include <drivers/vpd/vpd.h>
6 #include <drivers/ocp/include/vpd.h>
7 
get_loglevel_from_vpd(const char * const key,const int fallback)8 int get_loglevel_from_vpd(const char *const key, const int fallback)
9 {
10 	int log_level = fallback;
11 
12 	if (vpd_get_int(key, VPD_RW_THEN_RO, &log_level)) {
13 		if (log_level < 0 || log_level >= BIOS_NEVER)
14 			log_level = fallback;
15 	}
16 	return log_level;
17 }
18 
get_console_loglevel(void)19 int get_console_loglevel(void)
20 {
21 	return get_loglevel_from_vpd(COREBOOT_LOG_LEVEL, COREBOOT_LOG_LEVEL_DEFAULT);
22 }
23 
24 #if ENV_RAMSTAGE && CONFIG(RUNTIME_CONFIGURABLE_SMM_LOGLEVEL)
25 /* Read VPD for SMM settings in ramstage because we don't want to do this in SMM */
mainboard_set_smm_log_level(void)26 int mainboard_set_smm_log_level(void)
27 {
28 	return get_loglevel_from_vpd(SMM_LOG_LEVEL, SMM_LOG_LEVEL_DEFAULT);
29 }
30 #endif
31