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| author | Ranjani Sridharan <ranjani.sridharan@linux.intel.com> | 2020-08-26 02:50:38 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-08-26 15:19:15 +0300 |
| commit | 29c8e4398f02adacd429c7847dacc8aea5a0c2f1 (patch) | |
| tree | 556d3f92056e3295048f0991ba8e2de641175423 /sound/soc/sof/intel/hda.c | |
| parent | 878694dcbe51794c7a68195b92a3707ed4ff5826 (diff) | |
| download | linux-29c8e4398f02adacd429c7847dacc8aea5a0c2f1.tar.xz | |
ASoC: SOF: Intel: hda: add extended rom status dump to error log
Dump the extended ROM status information to the error logs
to aid with remote support. The analysis of these logs requires
access to non-public technical information.
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Jaska Uimonen <jaska.uimonen@intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20200825235040.1586478-6-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda.c')
| -rw-r--r-- | sound/soc/sof/intel/hda.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 0e8285b34a7d..de8e85920402 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -37,6 +37,7 @@ #include "shim.h" #define EXCEPT_MAX_HDR_SIZE 0x400 +#define HDA_EXT_ROM_STATUS_SIZE 8 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) @@ -414,6 +415,22 @@ void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags) } } +/* dump the first 8 dwords representing the extended ROM status */ +static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev) +{ + char msg[128]; + int len = 0; + u32 value; + int i; + + for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { + value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); + len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); + } + + dev_err(sdev->dev, "error: extended rom status:%s", msg); +} + void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) { struct sof_ipc_dsp_oops_xtensa xoops; @@ -437,6 +454,7 @@ void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) } else { dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n", status, panic); + hda_dsp_dump_ext_rom_status(sdev); hda_dsp_get_status(sdev); } } |