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ASoC: Intel: Skylake: Update FW purge for Broxton 

Broxton needs to send Purge firmware IPC to DSP before downloading the
firmware. The DMA id needs to be updated for that.

While at it also update Broxton boot sequence to send purge request after
power up and before yanking off reset.

Signed-off-by: Senthilnathan Veppur <senthilnathanx.veppur@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Senthilnathan Veppur 2016-06-13 17:59:02 +05:30 committed by Mark Brown
parent 1665c177ab
commit 2023576dd7
3 changed files with 19 additions and 7 deletions
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20
sound/soc/intel/skylake/bxt-sst.c
View File

@ -58,13 +58,19 @@ static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
ctx->dsp_ops.stream_tag = stream_tag;
memcpy(ctx->dmab.area, fwdata, fwsize);
/* Purge FW request */
sst_dsp_shim_write(ctx, SKL_ADSP_REG_HIPCI, SKL_ADSP_REG_HIPCI_BUSY |
BXT_IPC_PURGE_FW | (stream_tag - 1));
ret = skl_dsp_enable_core(ctx);
ret = skl_dsp_core_power_up(ctx);
if (ret < 0) {
dev_err(ctx->dev, "Boot dsp core failed ret: %d\n", ret);
goto base_fw_load_failed;
}
/* Purge FW request */
sst_dsp_shim_write(ctx, SKL_ADSP_REG_HIPCI, SKL_ADSP_REG_HIPCI_BUSY |
(BXT_IPC_PURGE_FW | ((stream_tag - 1) << 9)));
ret = skl_dsp_start_core(ctx);
if (ret < 0) {
dev_err(ctx->dev, "Start dsp core failed ret: %d\n", ret);
ret = -EIO;
goto base_fw_load_failed;
}
@ -161,6 +167,10 @@ static int bxt_load_base_firmware(struct sst_dsp *ctx)
if (ret < 0) {
ret = sst_bxt_prepare_fw(ctx, stripped_fw.data, stripped_fw.size);
if (ret < 0) {
dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
dev_err(ctx->dev, "Core En/ROM load fail:%d\n", ret);
goto sst_load_base_firmware_failed;
}

4
sound/soc/intel/skylake/skl-sst-dsp.c
View File

@ -114,7 +114,7 @@ static int skl_dsp_reset_core(struct sst_dsp *ctx)
return skl_dsp_core_set_reset_state(ctx);
}
static int skl_dsp_start_core(struct sst_dsp *ctx)
int skl_dsp_start_core(struct sst_dsp *ctx)
{
int ret;
@ -140,7 +140,7 @@ static int skl_dsp_start_core(struct sst_dsp *ctx)
return ret;
}
static int skl_dsp_core_power_up(struct sst_dsp *ctx)
int skl_dsp_core_power_up(struct sst_dsp *ctx)
{
int ret;

2
sound/soc/intel/skylake/skl-sst-dsp.h
View File

@ -182,5 +182,7 @@ int snd_skl_parse_uuids(struct sst_dsp *ctx, unsigned int offset);
void skl_freeup_uuid_list(struct skl_sst *ctx);
int skl_dsp_strip_extended_manifest(struct firmware *fw);
int skl_dsp_start_core(struct sst_dsp *ctx);
int skl_dsp_core_power_up(struct sst_dsp *ctx);
#endif /*__SKL_SST_DSP_H__*/