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/*
* 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; 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 <console/console.h>
#include <stdint.h>
#include <string.h>
#include <northbridge/amd/agesa/state_machine.h>
#include <northbridge/amd/agesa/BiosCallOuts.h>
#include <amdlib.h>
#include <AGESA.h>
#include <AMD.h>
static const char undefined[] = "undefined";
/* Match order of enum AGESA_STRUCT_NAME. */
static const char *AgesaFunctionNameStr[] = {
"AmdInitRecovery", "AmdCreateStruct", "AmdInitEarly", "AmdInitEnv", "AmdInitLate",
"AmdInitMid", "AmdInitPost", "AmdInitReset", "AmdInitResume", "AmdReleaseStruct",
"AmdS3LateRestore", "AmdS3Save", "AmdGetApicId", "AmdGetPciAddress", "AmdIdentifyCore",
"AmdReadEventLog", "AmdGetAvailableExeCacheSize", "AmdLateRunApTask", "AmdIdentifyDimm",
"Amd2dDataEye", "AmdS3FinalRestore", "AmdInitRtb"
};
/* This function has to match with enumeration of AGESA_STRUCT_NAME defined
* inside AMD.h header file. Unfortunately those are different across
* different vendorcode subtrees.
*
* TBD: Fix said header or move this function together with the strings above
* under vendorcode/ tree.
*/
const char *agesa_struct_name(int state)
{
#if CONFIG(CPU_AMD_AGESA_OPENSOURCE)
if ((state < AMD_INIT_RECOVERY) || (state > AMD_IDENTIFY_DIMMS))
return undefined;
int index = state - AMD_INIT_RECOVERY;
#else
state >>= 12;
if ((state < AMD_INIT_RECOVERY >> 12) || (state > AMD_IDENTIFY_DIMMS >> 12))
return undefined;
int index = state - (AMD_INIT_RECOVERY >> 12);
#endif
return AgesaFunctionNameStr[index];
}
/*
* Possible AGESA_STATUS values:
*
* 0x0 = AGESA_SUCCESS
* 0x1 = AGESA_UNSUPPORTED
* 0x2 = AGESA_BOUNDS_CHK
* 0x3 = AGESA_ALERT
* 0x4 = AGESA_WARNING
* 0x5 = AGESA_ERROR
* 0x6 = AGESA_CRITICAL
* 0x7 = AGESA_FATAL
*/
static const char *decodeAGESA_STATUS(AGESA_STATUS sret)
{
const char *statusStrings[] = { "AGESA_SUCCESS", "AGESA_UNSUPPORTED",
"AGESA_BOUNDS_CHK", "AGESA_ALERT",
"AGESA_WARNING", "AGESA_ERROR",
"AGESA_CRITICAL", "AGESA_FATAL"
};
if (sret > 7) return "unknown"; /* Non-AGESA error code */
return statusStrings[sret];
}
static void show_event(EVENT_PARAMS *Event)
{
printk(BIOS_DEBUG,"\nEventLog: EventClass = %x, EventInfo = %x.\n",
(unsigned int)Event->EventClass,
(unsigned int)Event->EventInfo);
printk(BIOS_DEBUG," Param1 = %x, Param2 = %x.\n",
(unsigned int)Event->DataParam1,
(unsigned int)Event->DataParam2);
printk(BIOS_DEBUG," Param3 = %x, Param4 = %x.\n",
(unsigned int)Event->DataParam3,
(unsigned int)Event->DataParam4);
}
#define MAX_LOG_ENTRIES 100
static void amd_flush_eventlog(EVENT_PARAMS *Event)
{
int i = 0;
do {
AGESA_STATUS status;
#if HAS_LEGACY_WRAPPER
status = AmdReadEventLog(Event);
#else
status = module_dispatch(AMD_READ_EVENT_LOG, &Event->StdHeader);
#endif
if (status != AGESA_SUCCESS)
return;
if (Event->EventClass == 0)
return;
show_event(Event);
} while (++i < MAX_LOG_ENTRIES);
}
void agesawrapper_trace(AGESA_STATUS ret, AMD_CONFIG_PARAMS *StdHeader,
const char *func)
{
EVENT_PARAMS AmdEventParams;
printk(BIOS_DEBUG, "%s() returned %s\n", func, decodeAGESA_STATUS(ret));
if (ret == AGESA_SUCCESS)
return;
memset(&AmdEventParams, 0, sizeof(EVENT_PARAMS));
if (HAS_LEGACY_WRAPPER) {
AmdEventParams.StdHeader.AltImageBasePtr = 0;
AmdEventParams.StdHeader.CalloutPtr = &GetBiosCallout;
AmdEventParams.StdHeader.Func = 0;
AmdEventParams.StdHeader.ImageBasePtr = 0;
AmdEventParams.StdHeader.HeapStatus = StdHeader->HeapStatus;
} else {
memcpy(&AmdEventParams.StdHeader, StdHeader, sizeof(*StdHeader));
}
amd_flush_eventlog(&AmdEventParams);
}
AGESA_STATUS agesawrapper_amdreadeventlog (UINT8 HeapStatus)
{
EVENT_PARAMS AmdEventParams;
memset(&AmdEventParams, 0, sizeof(EVENT_PARAMS));
AmdEventParams.StdHeader.AltImageBasePtr = 0;
AmdEventParams.StdHeader.CalloutPtr = &GetBiosCallout;
AmdEventParams.StdHeader.Func = 0;
AmdEventParams.StdHeader.ImageBasePtr = 0;
AmdEventParams.StdHeader.HeapStatus = HeapStatus;
amd_flush_eventlog(&AmdEventParams);
return AGESA_SUCCESS;
}
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