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soc/intel/common: Add metadata tag definition for crashlog 

When parsing descriptor table the record can have tag type = 7.
This tag contains metadata depending on SOC. The platform may
choose to parse it based on implementation of crashlog.

BUG=b:262501347
TEST=Able to build google/rex.

Change-Id: I60dda06950974f7949fa5635141e4b7798c4d1f2
Signed-off-by: Pratikkumar Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76833
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Pratikkumar Prajapati 2023-07-31 15:44:16 -07:00 committed by Martin L Roth
parent 6cba976989
commit b757facac2
1 changed files with 10 additions and 1 deletions
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11
src/soc/intel/common/block/include/intelblocks/crashlog.h
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@ -25,9 +25,18 @@
#define INVALID_CRASHLOG_RECORD 0xdeadbeef
/* Tag field definitions */
/*
* Tag field definitions.
* Each region pointed by the descriptor table contains TAG information. This TAG information
* is used to identify the type of SRAM the region belongs to, for example:
* - TAG 0 represents the SoC PMC region
* - TAG 1 represents the IOE PMC region
* - TAG 7 represents a special case aka metadata information. This metadata information can be
* SoC specific too.
*/
#define CRASHLOG_DESCRIPTOR_TABLE_TAG_SOC 0x0
#define CRASHLOG_DESCRIPTOR_TABLE_TAG_IOE 0x1
#define CRASHLOG_DESCRIPTOR_TABLE_TAG_META 0x7
/* PMC crashlog discovery structs */
typedef union {