Provide an option to load DSP data bin to ACP SRAM.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
---
sound/soc/sof/amd/acp-loader.c | 46 +++++++++++++++++++++++++++++-----
sound/soc/sof/amd/acp.h | 10 +++++++-
2 files changed, 49 insertions(+), 7 deletions(-)
diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
index d35d47d7e311..e05eb7a86dd4 100644
--- a/sound/soc/sof/amd/acp-loader.c
+++ b/sound/soc/sof/amd/acp-loader.c
@@ -19,8 +19,9 @@
#include "acp-dsp-offset.h"
#include "acp.h"
-#define FW_BIN 0
-#define FW_DATA_BIN 1
+#define FW_BIN 0
+#define FW_DATA_BIN 1
+#define FW_SRAM_DATA_BIN 2
#define FW_BIN_PTE_OFFSET 0x00
#define FW_DATA_BIN_PTE_OFFSET 0x08
@@ -49,7 +50,6 @@ int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_t
u32 offset, void *src, size_t size)
{
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;
void *dest;
u32 dma_size, page_count;
@@ -86,9 +86,18 @@ int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_t
adata->is_dram_in_use = true;
break;
case SOF_FW_BLK_TYPE_SRAM:
- offset = offset - desc->sram_pte_offset;
- memcpy_to_scratch(sdev, offset, src, size);
- return 0;
+ if (!adata->sram_data_buf) {
+ adata->sram_data_buf = dma_alloc_coherent(&pci->dev,
+ ACP_DEFAULT_SRAM_LENGTH,
+ &adata->sram_dma_addr,
+ GFP_ATOMIC);
+ if (!adata->sram_data_buf)
+ return -ENOMEM;
+ }
+ adata->fw_sram_data_bin_size = size + offset;
+ dest = adata->sram_data_buf + offset;
+ adata->is_sram_in_use = true;
+ break;
default:
dev_err(sdev->dev, "bad blk type 0x%x\n", blk_type);
return -EINVAL;
@@ -123,6 +132,10 @@ static void configure_pte_for_fw_loading(int type, int num_pages, struct acp_dev
offset = adata->fw_bin_page_count * 8;
addr = adata->dma_addr;
break;
+ case FW_SRAM_DATA_BIN:
+ offset = (adata->fw_bin_page_count + ACP_DRAM_PAGE_COUNT) * 8;
+ addr = adata->sram_dma_addr;
+ break;
default:
dev_err(sdev->dev, "Invalid data type %x\n", type);
return;
@@ -189,6 +202,22 @@ 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 (adata->is_sram_in_use) {
+ configure_pte_for_fw_loading(FW_SRAM_DATA_BIN, ACP_SRAM_PAGE_COUNT, adata);
+ src_addr = ACP_SYSTEM_MEMORY_WINDOW + ACP_DEFAULT_SRAM_LENGTH +
+ (page_count * ACP_PAGE_SIZE);
+ dest_addr = ACP_SRAM_BASE_ADDRESS;
+
+ ret = configure_and_run_dma(adata, src_addr, dest_addr,
+ adata->fw_sram_data_bin_size);
+ if (ret < 0) {
+ dev_err(sdev->dev, "acp dma configuration failed: %d\n", ret);
+ return ret;
+ }
+ ret = acp_dma_status(adata, 0);
+ if (ret < 0)
+ dev_err(sdev->dev, "acp dma transfer status: %d\n", ret);
+ }
if (desc->rev > 3) {
/* Cache Window enable */
@@ -205,6 +234,11 @@ int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev)
adata->dma_addr);
adata->data_buf = NULL;
}
+ if (adata->is_sram_in_use) {
+ dma_free_coherent(&pci->dev, ACP_DEFAULT_SRAM_LENGTH, adata->sram_data_buf,
+ adata->sram_dma_addr);
+ adata->sram_data_buf = NULL;
+ }
return ret;
}
EXPORT_SYMBOL_NS(acp_dsp_pre_fw_run, SND_SOC_SOF_AMD_COMMON);
diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 2d1f57e1365a..c536cfde0e44 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -56,7 +56,7 @@
#define ACP_IRAM_BASE_ADDRESS 0x000000
#define ACP_DRAM_BASE_ADDRESS 0x01000000
#define ACP_DRAM_PAGE_COUNT 128
-
+#define ACP_SRAM_BASE_ADDRESS 0x3806000
#define ACP_DSP_TO_HOST_IRQ 0x04
#define ACP_RN_PCI_ID 0x01
@@ -88,6 +88,8 @@
#define PROBE_STATUS_BIT BIT(31)
#define ACP_FIRMWARE_SIGNATURE 0x100
+#define ACP_DEFAULT_SRAM_LENGTH 0x00080000
+#define ACP_SRAM_PAGE_COUNT 128
enum clock_source {
ACP_CLOCK_96M = 0,
@@ -194,13 +196,18 @@ struct acp_dev_data {
struct platform_device *dmic_dev;
unsigned int fw_bin_size;
unsigned int fw_data_bin_size;
+ unsigned int fw_sram_data_bin_size;
const char *fw_code_bin;
const char *fw_data_bin;
+ const char *fw_sram_data_bin;
u32 fw_bin_page_count;
+ u32 fw_data_bin_page_count;
dma_addr_t sha_dma_addr;
u8 *bin_buf;
dma_addr_t dma_addr;
u8 *data_buf;
+ dma_addr_t sram_dma_addr;
+ u8 *sram_data_buf;
bool signed_fw_image;
struct dma_descriptor dscr_info[ACP_MAX_DESC];
struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
@@ -209,6 +216,7 @@ struct acp_dev_data {
struct acp_dsp_stream *probe_stream;
bool enable_fw_debug;
bool is_dram_in_use;
+ bool is_sram_in_use;
};
void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);
--
2.34.1
