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| author | Robert Zieba <robertzieba@google.com> | 2023-02-02 17:28:32 +0000 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-02-16 18:47:43 +0000 |
| commit | 2b46c0135d4e7c51bf648da476c442d8e6398b8b (patch) | |
| tree | 49d8aac9f72e823555022547a38aba9714482913 /power | |
| parent | 35159ec25d0dbb7b4dad8bb11d97808c5a016be0 (diff) | |
| download | chrome-ec-2b46c0135d4e7c51bf648da476c442d8e6398b8b.tar.gz | |
power/amd_x86: Add support for STB dumping
Skyrim supports dumping the contents of the SoCs smart-trace buffer
when triggered externally. The contents of the STB can be useful in
debugging S0i3 suspend failures. Add support for triggering an STB dump
when the SoC hangs during S0i3 entry/exit.
BRANCH=none
BUG=b:246770811
TEST=Ran on skyrim DUT
Change-Id: Ie18c6072a77f6dd306a46d7f76bd345b4f9e75a7
Signed-off-by: Robert Zieba <robertzieba@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4220248
Reviewed-by: Diana Z <dzigterman@chromium.org>
Diffstat (limited to 'power')
| -rw-r--r-- | power/amd_x86.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/power/amd_x86.c b/power/amd_x86.c index 7a215a3e21..7b77508429 100644 --- a/power/amd_x86.c +++ b/power/amd_x86.c @@ -8,6 +8,7 @@ #include "chipset.h" #include "common.h" #include "console.h" +#include "driver/amd_stb.h" #include "ec_commands.h" #include "gpio.h" #include "hooks.h" @@ -74,6 +75,12 @@ void chipset_reset(enum chipset_shutdown_reason reason) return; } + if (IS_ENABLED(CONFIG_PLATFORM_EC_AMD_STB_DUMP) && + amd_stb_dump_in_progress()) { + CPRINTS("STB dump still in progress during reset"); + amd_stb_dump_finish(); + } + report_ap_reset(reason); /* * Send a pulse to SYS_RST to trigger a warm reset. @@ -269,6 +276,9 @@ __override void power_chipset_handle_sleep_hang(enum sleep_hang_type hang_type) lpc_set_host_event_mask(LPC_HOST_EVENT_WAKE, sleep_wake_mask); } + if (IS_ENABLED(CONFIG_PLATFORM_EC_AMD_STB_DUMP)) + amd_stb_dump_trigger(); + CPRINTS("Warning: Detected sleep hang! Waking host up!"); host_set_single_event(EC_HOST_EVENT_HANG_DETECT); } |