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ASoC: SOF: amd: add module parameter for firmware debug

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Add module parameter for firmware debug. If firmware debug
flag is enabled, clear the fusion stall bit which is required
for enabling firmware debugging through JTAG.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230823073340.2829821-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2023-08-23 13:03:35 +05:30 committed by Mark Brown
parent 0a1428141f
commit 60eb816ed8
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
3 changed files with 8 additions and 1 deletions
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3
sound/soc/sof/amd/acp-loader.c
View file

@ -207,6 +207,7 @@ EXPORT_SYMBOL_NS(acp_dsp_pre_fw_run, SND_SOC_SOF_AMD_COMMON);
int acp_sof_dsp_run(struct snd_sof_dev *sdev)
{
struct acp_dev_data *adata = sdev->pdata->hw_pdata;
const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
int val;
@ -215,7 +216,7 @@ int acp_sof_dsp_run(struct snd_sof_dev *sdev)
dev_dbg(sdev->dev, "ACP_DSP0_RUNSTALL : 0x%0x\n", val);
/* Some platforms won't support fusion DSP,keep offset zero for no support */
if (desc->fusion_dsp_offset) {
if (desc->fusion_dsp_offset && adata->enable_fw_debug) {
snd_sof_dsp_write(sdev, ACP_DSP_BAR, desc->fusion_dsp_offset, ACP_DSP_RUN);
val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, desc->fusion_dsp_offset);
dev_dbg(sdev->dev, "ACP_DSP0_FUSION_RUNSTALL : 0x%0x\n", val);

5
sound/soc/sof/amd/acp.c
View file

@ -22,6 +22,10 @@
#define SECURED_FIRMWARE 1
static bool enable_fw_debug;
module_param(enable_fw_debug, bool, 0444);
MODULE_PARM_DESC(enable_fw_debug, "Enable Firmware debug");
const struct dmi_system_id acp_sof_quirk_table[] = {
{
/* Valve Jupiter device */
@ -558,6 +562,7 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
dev_dbg(sdev->dev, "fw_code_bin:%s, fw_data_bin:%s\n", adata->fw_code_bin,
adata->fw_data_bin);
}
adata->enable_fw_debug = enable_fw_debug;
acp_memory_init(sdev);
acp_dsp_stream_init(sdev);

1
sound/soc/sof/amd/acp.h
View file

@ -205,6 +205,7 @@ struct acp_dev_data {
struct acp_dsp_stream *dtrace_stream;
struct pci_dev *smn_dev;
struct acp_dsp_stream *probe_stream;
bool enable_fw_debug;
};
void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);