From 29c8e4398f02adacd429c7847dacc8aea5a0c2f1 Mon Sep 17 00:00:00 2001 From: Ranjani Sridharan Date: Tue, 25 Aug 2020 16:50:38 -0700 Subject: [PATCH] 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 Reviewed-by: Jaska Uimonen Signed-off-by: Ranjani Sridharan Link: https://lore.kernel.org/r/20200825235040.1586478-6-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/sof/intel/hda.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 0e8285b..de8e859 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); } } -- 2.7.4