Enable DSP cache for ACP memory
Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@xxxxxxx>
---
sound/soc/sof/amd/acp-dsp-offset.h | 4 ++++
sound/soc/sof/amd/acp-loader.c | 7 +++++++
sound/soc/sof/amd/acp.h | 2 ++
3 files changed, 13 insertions(+)
diff --git a/sound/soc/sof/amd/acp-dsp-offset.h b/sound/soc/sof/amd/acp-dsp-offset.h
index de5726251dc6..920155dee819 100644
--- a/sound/soc/sof/amd/acp-dsp-offset.h
+++ b/sound/soc/sof/amd/acp-dsp-offset.h
@@ -85,4 +85,8 @@
#define ACP_SCRATCH_REG_0 0x10000
#define ACP6X_DSP_FUSION_RUNSTALL 0x0644
+
+/* Cache window registers */
+#define ACP_DSP0_CACHE_OFFSET0 0x0420
+#define ACP_DSP0_CACHE_SIZE0 0x0424
#endif
diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
index 090c8b18c83c..a4bce5a3ae48 100644
--- a/sound/soc/sof/amd/acp-loader.c
+++ b/sound/soc/sof/amd/acp-loader.c
@@ -151,6 +151,7 @@ static void configure_pte_for_fw_loading(int type, int num_pages, struct acp_dev
int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev)
{
struct pci_dev *pci = to_pci_dev(sdev->dev);
+ const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
struct acp_dev_data *adata;
unsigned int src_addr, size_fw;
u32 page_count, dma_size;
@@ -183,6 +184,12 @@ int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev)
if (ret < 0)
dev_err(sdev->dev, "acp dma transfer status: %d\n", ret);
+ if (desc->rev > 3) {
+ /* Cache Window enable */
+ snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DSP0_CACHE_OFFSET0, desc->sram_pte_offset);
+ snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_DSP0_CACHE_SIZE0, SRAM1_SIZE | BIT(31));
+ }
+
/* Free memory once DMA is complete */
dma_size = (PAGE_ALIGN(sdev->basefw.fw->size) >> PAGE_SHIFT) * ACP_PAGE_SIZE;
dma_free_coherent(&pci->dev, dma_size, adata->bin_buf, adata->sha_dma_addr);
diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 09e16ef8afa0..4314094a97fd 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -72,6 +72,8 @@
#define EXCEPT_MAX_HDR_SIZE 0x400
#define AMD_STACK_DUMP_SIZE 32
+#define SRAM1_SIZE 0x13A000
+
enum clock_source {
ACP_CLOCK_96M = 0,
ACP_CLOCK_48M,
--
2.25.1
