diff options
| author | Furquan Shaikh <furquan@google.com> | 2018-03-21 10:42:37 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2018-03-22 05:03:58 +0000 |
| commit | 088b6e8f8bdd96c759a7a10c0db2d56693056a1b (patch) | |
| tree | fc0691ac5d7a55877f06b562043e34066b776d5b /util/ifdtool | |
| parent | 5044b01697f96c49ff631d5fdee4147eda4488eb (diff) | |
util/ifdtool: Fix region access control for SKL/KBL
The default values used by ifdtool for setting region access control
do not match the expected values for SKL/KBL as per the SPI
programming guide. This change adds platform "sklkbl" that sets region
access control bits differently for SKL/KBL images.
BUG=b:76098647
BRANCH=poppy
TEST=Verified that the access control bits on KBL images is set
correctly.
Change-Id: I1328d8006c25be282b3223268d8f1fd0a64e2ed3
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/25306
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'util/ifdtool')
| -rw-r--r-- | util/ifdtool/ifdtool.c | 20 | ||||
| -rw-r--r-- | util/ifdtool/ifdtool.h | 3 |
2 files changed, 22 insertions, 1 deletions
diff --git a/util/ifdtool/ifdtool.c b/util/ifdtool/ifdtool.c index 8397f5c157..12dfdd1bf6 100644 --- a/util/ifdtool/ifdtool.c +++ b/util/ifdtool/ifdtool.c @@ -826,6 +826,24 @@ static void lock_descriptor(const char *filename, char *image, int size) /* TXE can only write Device Expansion */ fmba->flmstr2 |= 0x20 << wr_shift; break; + case PLATFORM_SKLKBL: + /* CPU/BIOS can read descriptor, BIOS and GbE. */ + fmba->flmstr1 |= 0xb << rd_shift; + /* CPU/BIOS can write BIOS and Gbe. */ + fmba->flmstr1 |= 0xa << wr_shift; + /* ME can read descriptor, ME and GbE. */ + fmba->flmstr2 |= 0xd << rd_shift; + /* ME can write ME. */ + fmba->flmstr2 |= 0x4 << wr_shift; + /* GbE can read GbE and descriptor. */ + fmba->flmstr3 |= 0x9 << rd_shift; + /* GbE can write GbE. */ + fmba->flmstr3 |= 0x8 << wr_shift; + /* EC can read EC and descriptor. */ + fmba->flmstr5 |= 0x101 << rd_shift; + /* EC can write EC region. */ + fmba->flmstr5 |= 0x100 << wr_shift; + break; default: /* CPU/BIOS can read descriptor, BIOS, and GbE. */ fmba->flmstr1 |= 0xb << rd_shift; @@ -1325,6 +1343,8 @@ int main(int argc, char *argv[]) case 'p': if (!strcmp(optarg, "aplk")) { platform = PLATFORM_APOLLOLAKE; + } else if (!strcmp(optarg, "sklkbl")) { + platform = PLATFORM_SKLKBL; } else { fprintf(stderr, "Unknown platform: %s\n", optarg); exit(EXIT_FAILURE); diff --git a/util/ifdtool/ifdtool.h b/util/ifdtool/ifdtool.h index cd5af79a0f..ad299a94f8 100644 --- a/util/ifdtool/ifdtool.h +++ b/util/ifdtool/ifdtool.h @@ -22,7 +22,8 @@ enum ifd_version { }; enum platform { - PLATFORM_APOLLOLAKE + PLATFORM_APOLLOLAKE, + PLATFORM_SKLKBL, }; #define LAYOUT_LINELEN 80 |