openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-02 14:33:18 +02:00
Code Issues Releases Wiki Activity

ich_descriptors: Add function to guess chipset version

Browse Source 
Add guess_ich_chipset() that takes fields from a descriptor dump and
returns the lowest possible chipset version.

Intel did several incompatible changes to the descriptor through the
years. However, they forgot to add a version number. So we have to
apply some heuristics to detect the chipset version in case of exter-
nal flashing.

Change-Id: Ie1736663dc33801b19d3e695c072c61a6c6345a2
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20246
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Nico Huber
2017-06-17 00:09:31 +02:00
committed by Nico Huber
parent 0bb3f7142a
commit 1dc3d42083
2 changed files with 66 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
ich_descriptors.h
View File

@ -93,9 +93,10 @@ struct ich_desc_content {
union { /* 0x0c */
uint32_t FLMAP2;
struct {
uint32_t FMSBA :8, /* Flash (G)MCH Strap Base Addr. */
MSL :8, /* MCH Strap Length */
:16;
uint32_t FMSBA :8, /* Flash (G)MCH Strap Base Addr. */
MSL :8, /* MCH Strap Length */
ICCRIBA :8, /* ICC Reg. Init Base Addr. (new since Sandy Bridge) */
RIL :8; /* Register Init Length (new since Hawell) */
};
};
};