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| author | Duncan Laurie <dlaurie@google.com> | 2020-11-05 10:09:07 -0800 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2020-11-20 00:27:13 +0000 |
| commit | 15ca9034b39a7fe0d883c0406d3c7591163d33f4 (patch) | |
| tree | 5262c37e9dcbe58865db6005acbf9b0e37c30c89 | |
| parent | 2b3de787a49e4a1ab0e47e9c6ce1115548ed3287 (diff) | |
| download | coreboot-15ca9034b39a7fe0d883c0406d3c7591163d33f4.tar.xz | |
soc/intel/common/block/cse: Clear post code before reset
To avoid "unknown post code 0x55" entries in the event log on cold boot
clear the post code before doing the CSE initiated reset.
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Change-Id: I68078c04230dbc24f9cc63b1ef5c435055aa1186
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47257
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index ef6db3da4f..d10492bbe0 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -555,6 +555,9 @@ int heci_reset(void) { uint32_t csr; + /* Clear post code to prevent eventlog entry from unknown code. */ + post_code(0); + /* Send reset request */ csr = read_host_csr(); csr |= (CSR_RESET | CSR_IG); |