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ASoC: SOF: Intel: hda: add extended rom status dump to error log

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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>
This commit is contained in:
Ranjani Sridharan 2020-08-25 16:50:38 -07:00 committed by Mark Brown
parent 878694dcbe
commit 29c8e4398f
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 18 additions and 0 deletions
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18
sound/soc/sof/intel/hda.c
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@ -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);
}
}