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drivers/intel/fsp: Map FSP debug level to coreboot console level 

This patch maps coreboot console level to FSP debug level. This
is useful to suppress MRC (FSP-M) debug logs.

Callers have to select HAVE_DEBUG_RAM_SETUP config to get verbose MRC
debug log,

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I398d576fad68a0d0fc931c175bbc04fcbc2e54ec
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60471
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Subrata Banik 2021-12-29 18:24:07 +00:00 committed by Nico Huber
parent b4a169a1e1
commit 69107c149b
2 changed files with 47 additions and 0 deletions
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37
src/drivers/intel/fsp2_0/debug.c
View File

@ -1,8 +1,10 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <commonlib/helpers.h>
#include <console/console.h>
#include <console/streams.h>
#include <cpu/x86/mtrr.h>
#include <fsp/debug.h>
#include <fsp/util.h>
asmlinkage size_t fsp_write_line(uint8_t *buffer, size_t number_of_bytes)
@ -32,6 +34,41 @@ static void fsp_gpio_config_check(enum fsp_call_phase phase, const char *call_st
}
}
enum fsp_log_level fsp_map_console_log_level(void)
{
enum fsp_log_level fsp_debug_level;
switch (get_log_level()) {
case BIOS_EMERG:
case BIOS_ALERT:
case BIOS_CRIT:
case BIOS_ERR:
fsp_debug_level = FSP_LOG_LEVEL_ERR;
break;
case BIOS_WARNING:
fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN;
break;
case BIOS_NOTICE:
fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO;
break;
case BIOS_INFO:
fsp_debug_level = FSP_LOG_LEVEL_ERR_WARN_INFO_EVENT;
break;
case BIOS_DEBUG:
case BIOS_SPEW:
fsp_debug_level = FSP_LOG_LEVEL_VERBOSE;
break;
default:
fsp_debug_level = FSP_LOG_LEVEL_DISABLE;
break;
}
if (!CONFIG(DEBUG_RAM_SETUP))
fsp_debug_level = MIN(fsp_debug_level, FSP_LOG_LEVEL_ERR_WARN);
return fsp_debug_level;
}
/*-----------
* MemoryInit
*-----------

10
src/drivers/intel/fsp2_0/include/fsp/debug.h
View File

@ -5,7 +5,17 @@
#include <fsp/util.h>
enum fsp_log_level {
FSP_LOG_LEVEL_DISABLE = 0,
FSP_LOG_LEVEL_ERR,
FSP_LOG_LEVEL_ERR_WARN,
FSP_LOG_LEVEL_ERR_WARN_INFO,
FSP_LOG_LEVEL_ERR_WARN_INFO_EVENT,
FSP_LOG_LEVEL_VERBOSE
};
/* FSP debug API */
enum fsp_log_level fsp_map_console_log_level(void);
void fsp_debug_before_memory_init(fsp_memory_init_fn memory_init,
const FSPM_UPD *fspm_old_upd,
const FSPM_UPD *fspm_new_upd);