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Message-ID: <20230809123534.287707-2-venkataprasad.potturu@amd.com>
Date: Wed, 9 Aug 2023 18:05:21 +0530
From: Venkata Prasad Potturu <venkataprasad.potturu@....com>
To: <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC: <vsujithkumar.reddy@....com>, <Vijendar.Mukunda@....com>,
<Basavaraj.Hiregoudar@....com>, <Sunil-kumar.Dommati@....com>,
<syed.sabakareem@....com>, <mastan.katragadda@....com>,
<arungopal.kondaveeti@....com>,
Venkata Prasad Potturu <venkataprasad.potturu@....com>,
Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
Liam Girdwood <lgirdwood@...il.com>,
Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
Bard Liao <yung-chuan.liao@...ux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
Daniel Baluta <daniel.baluta@....com>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
V sujith kumar Reddy <Vsujithkumar.Reddy@....com>,
Ajit Kumar Pandey <AjitKumar.Pandey@....com>,
Mastan Katragadda <Mastan.Katragadda@....com>,
"moderated list:SOUND - SOUND OPEN FIRMWARE (SOF) DRIVERS"
<sound-open-firmware@...a-project.org>,
"open list" <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/3] ASOC: SOF: amd : Add support for signed fw image loading
Add support for signed firmware code bin and data bin
loading for amd platforms.
Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@....com>
---
sound/soc/sof/amd/acp-dsp-offset.h | 1 +
sound/soc/sof/amd/acp-loader.c | 39 ++++++++++++++++++++++++++++--
sound/soc/sof/amd/acp.c | 6 ++++-
sound/soc/sof/amd/acp.h | 8 ++++++
4 files changed, 51 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sof/amd/acp-dsp-offset.h b/sound/soc/sof/amd/acp-dsp-offset.h
index 19ef2b4c46d6..a913f1cc4c80 100644
--- a/sound/soc/sof/amd/acp-dsp-offset.h
+++ b/sound/soc/sof/amd/acp-dsp-offset.h
@@ -87,6 +87,7 @@
#define ACP_SHA_DMA_CMD_STS 0x1CC0
#define ACP_SHA_DMA_ERR_STATUS 0x1CC4
#define ACP_SHA_TRANSFER_BYTE_CNT 0x1CC8
+#define ACP_SHA_DMA_INCLUDE_HDR 0x1CCC
#define ACP_SHA_PSP_ACK 0x1C74
#define ACP_SCRATCH_REG_0 0x10000
diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
index a4bce5a3ae48..a63c00b53a5e 100644
--- a/sound/soc/sof/amd/acp-loader.c
+++ b/sound/soc/sof/amd/acp-loader.c
@@ -3,7 +3,7 @@
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
-// Copyright(c) 2021 Advanced Micro Devices, Inc.
+// Copyright(c) 2021, 2023 Advanced Micro Devices, Inc.
//
// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@....com>
@@ -158,7 +158,11 @@ int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev)
int ret;
adata = sdev->pdata->hw_pdata;
- size_fw = adata->fw_bin_size;
+
+ if (adata->signed_fw_image)
+ size_fw = adata->fw_bin_size - ACP_FIRMWARE_SIGNATURE;
+ else
+ size_fw = adata->fw_bin_size;
page_count = PAGE_ALIGN(size_fw) >> PAGE_SHIFT;
adata->fw_bin_page_count = page_count;
@@ -219,3 +223,34 @@ int acp_sof_dsp_run(struct snd_sof_dev *sdev)
return 0;
}
EXPORT_SYMBOL_NS(acp_sof_dsp_run, SND_SOC_SOF_AMD_COMMON);
+
+int acp_sof_load_signed_firmware(struct snd_sof_dev *sdev)
+{
+ struct snd_sof_pdata *plat_data = sdev->pdata;
+ struct acp_dev_data *adata = plat_data->hw_pdata;
+ int ret;
+
+ ret = request_firmware(&sdev->basefw.fw, adata->fw_code_bin, sdev->dev);
+ if (ret < 0) {
+ dev_err(sdev->dev, "sof signed firmware code bin is missing\n");
+ return ret;
+ } else {
+ dev_dbg(sdev->dev, "request_firmware %s successful\n", adata->fw_code_bin);
+ }
+ ret = snd_sof_dsp_block_write(sdev, SOF_FW_BLK_TYPE_IRAM, 0,
+ (void *)sdev->basefw.fw->data, sdev->basefw.fw->size);
+
+ ret = request_firmware(&adata->fw_dbin, adata->fw_data_bin, sdev->dev);
+ if (ret < 0) {
+ dev_err(sdev->dev, "sof signed firmware data bin is missing\n");
+ return ret;
+
+ } else {
+ dev_dbg(sdev->dev, "request_firmware %s successful\n", adata->fw_data_bin);
+ }
+
+ ret = snd_sof_dsp_block_write(sdev, SOF_FW_BLK_TYPE_DRAM, 0,
+ (void *)adata->fw_dbin->data, adata->fw_dbin->size);
+ return ret;
+}
+EXPORT_SYMBOL_NS(acp_sof_load_signed_firmware, SND_SOC_SOF_AMD_COMMON);
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index c450931ae77e..0072a62aa4ef 100644
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -3,7 +3,7 @@
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
-// Copyright(c) 2021 Advanced Micro Devices, Inc. All rights reserved.
+// Copyright(c) 2021, 2023 Advanced Micro Devices, Inc. All rights reserved.
//
// Authors: Vijendar Mukunda <Vijendar.Mukunda@....com>
// Ajit Kumar Pandey <AjitKumar.Pandey@....com>
@@ -235,6 +235,9 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
}
}
+ if (adata->signed_fw_image)
+ snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_INCLUDE_HDR, ACP_SHA_HEADER);
+
snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_STRT_ADDR, start_addr);
snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_DMA_DESTINATION_ADDR, dest_addr);
snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SHA_MSG_LENGTH, image_length);
@@ -527,6 +530,7 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
sdev->debug_box.offset = sdev->host_box.offset + sdev->host_box.size;
sdev->debug_box.size = BOX_SIZE_1024;
+ adata->signed_fw_image = false;
acp_memory_init(sdev);
acp_dsp_stream_init(sdev);
diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 73c3e1373d42..842105330369 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -41,6 +41,7 @@
#define DSP_FW_RUN_ENABLE 0x01
#define ACP_SHA_RUN 0x01
#define ACP_SHA_RESET 0x02
+#define ACP_SHA_HEADER 0x01
#define ACP_DMA_CH_RST 0x01
#define ACP_DMA_CH_GRACEFUL_RST_EN 0x10
#define ACP_ATU_CACHE_INVALID 0x01
@@ -82,6 +83,8 @@
#define SRAM1_SIZE 0x13A000
#define PROBE_STATUS_BIT BIT(31)
+#define ACP_FIRMWARE_SIGNATURE 0x100
+
enum clock_source {
ACP_CLOCK_96M = 0,
ACP_CLOCK_48M,
@@ -181,15 +184,19 @@ struct sof_amd_acp_desc {
/* Common device data struct for ACP devices */
struct acp_dev_data {
struct snd_sof_dev *dev;
+ const struct firmware *fw_dbin;
/* DMIC device */
struct platform_device *dmic_dev;
unsigned int fw_bin_size;
unsigned int fw_data_bin_size;
+ const char *fw_code_bin;
+ const char *fw_data_bin;
u32 fw_bin_page_count;
dma_addr_t sha_dma_addr;
u8 *bin_buf;
dma_addr_t dma_addr;
u8 *data_buf;
+ bool signed_fw_image;
struct dma_descriptor dscr_info[ACP_MAX_DESC];
struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
struct acp_dsp_stream *dtrace_stream;
@@ -214,6 +221,7 @@ int amd_sof_acp_remove(struct snd_sof_dev *sdev);
/* DSP Loader callbacks */
int acp_sof_dsp_run(struct snd_sof_dev *sdev);
int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev);
+int acp_sof_load_signed_firmware(struct snd_sof_dev *sdev);
int acp_get_bar_index(struct snd_sof_dev *sdev, u32 type);
/* Block IO callbacks */
--
2.25.1
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