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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Dec 2022 07:16:36.9102 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1cab2fce-c168-4378-2cc1-08dadcd9f8fb X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0000C409.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB7759 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Enable DSP cache for ACP memory Signed-off-by: V sujith kumar Reddy --- 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 @@ =20 #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 =3D to_pci_dev(sdev->dev); + const struct sof_amd_acp_desc *desc =3D 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); =20 + 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 =3D (PAGE_ALIGN(sdev->basefw.fw->size) >> PAGE_SHIFT) * ACP_PAG= E_SIZE; dma_free_coherent(&pci->dev, dma_size, adata->bin_buf, adata->sha_dma_add= r); 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 =20 +#define SRAM1_SIZE 0x13A000 + enum clock_source { ACP_CLOCK_96M =3D 0, ACP_CLOCK_48M, --=20 2.25.1