diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c index 044e1cdd46e5..4c3cfa719571 100644 --- a/sound/soc/sof/intel/mtl.c +++ b/sound/soc/sof/intel/mtl.c @@ -444,7 +444,7 @@ int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot) { struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; const struct sof_intel_dsp_desc *chip = hda->desc; - unsigned int status; + unsigned int status, target_status; u32 ipc_hdr, flags; char *dump_msg; int ret; @@ -490,13 +490,40 @@ int mtl_dsp_cl_init(struct snd_sof_dev *sdev, int stream_tag, bool imr_boot) mtl_enable_ipc_interrupts(sdev); - /* - * ACE workaround: don't wait for ROM INIT. - * The platform cannot catch ROM_INIT_DONE because of a very short - * timing window. Follow the recommendations and skip this part. - */ + if (chip->rom_status_reg == MTL_DSP_ROM_STS) { + /* + * Workaround: when the ROM status register is pointing to + * the SRAM window (MTL_DSP_ROM_STS) the platform cannot catch + * ROM_INIT_DONE because of a very short timing window. + * Follow the recommendations and skip target state waiting. + */ + return 0; + } - return 0; + /* + * step 7: + * - Cold/Full boot: wait for ROM init to proceed to download the firmware + * - IMR boot: wait for ROM firmware entered (firmware booted up from IMR) + */ + if (imr_boot) + target_status = FSR_STATE_FW_ENTERED; + else + target_status = FSR_STATE_INIT_DONE; + + ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, + chip->rom_status_reg, status, + (FSR_TO_STATE_CODE(status) == target_status), + HDA_DSP_REG_POLL_INTERVAL_US, + chip->rom_init_timeout * + USEC_PER_MSEC); + + if (!ret) + return 0; + + if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS) + dev_err(sdev->dev, + "%s: timeout with rom_status_reg (%#x) read\n", + __func__, chip->rom_status_reg); err: flags = SOF_DBG_DUMP_PCI | SOF_DBG_DUMP_MBOX | SOF_DBG_DUMP_OPTIONAL;