Add mt8186-loader module with ops callback to load and run firmware on mt8186 SoC.
Signed-off-by: Allen-KH Cheng allen-kh.cheng@mediatek.com Signed-off-by: Tinghan Shen tinghan.shen@mediatek.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Yaochun Hung yc.hung@mediatek.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/mediatek/mt8186/Makefile | 2 +- sound/soc/sof/mediatek/mt8186/mt8186-loader.c | 53 +++++++++++++++++++ sound/soc/sof/mediatek/mt8186/mt8186.c | 18 +++++++ sound/soc/sof/mediatek/mt8186/mt8186.h | 3 ++ 4 files changed, 75 insertions(+), 1 deletion(-) create mode 100644 sound/soc/sof/mediatek/mt8186/mt8186-loader.c
diff --git a/sound/soc/sof/mediatek/mt8186/Makefile b/sound/soc/sof/mediatek/mt8186/Makefile index e0e971c17d5e..03a12f2096f9 100644 --- a/sound/soc/sof/mediatek/mt8186/Makefile +++ b/sound/soc/sof/mediatek/mt8186/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) -snd-sof-mt8186-objs := mt8186.o +snd-sof-mt8186-objs := mt8186.o mt8186-loader.o obj-$(CONFIG_SND_SOC_SOF_MT8186) += snd-sof-mt8186.o
diff --git a/sound/soc/sof/mediatek/mt8186/mt8186-loader.c b/sound/soc/sof/mediatek/mt8186/mt8186-loader.c new file mode 100644 index 000000000000..6ab4921b1010 --- /dev/null +++ b/sound/soc/sof/mediatek/mt8186/mt8186-loader.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// Copyright (c) 2022 Mediatek Corporation. All rights reserved. +// +// Author: Allen-KH Cheng allen-kh.cheng@mediatek.com +// Tinghan Shen tinghan.shen@mediatek.com +// +// Hardware interface for mt8186 DSP code loader + +#include <sound/sof.h> +#include "mt8186.h" +#include "../../ops.h" + +void sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr) +{ + /* set RUNSTALL to stop core */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_IO_CONFIG, + RUNSTALL, RUNSTALL); + + /* set core boot address */ + snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVEC_C0, boot_addr); + snd_sof_dsp_write(sdev, DSP_SECREG_BAR, ADSP_ALTVECSEL, ADSP_ALTVECSEL_C0); + + /* assert core reset */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CFGREG_SW_RSTN, + SW_RSTN_C0 | SW_DBG_RSTN_C0, + SW_RSTN_C0 | SW_DBG_RSTN_C0); + + /* hardware requirement */ + udelay(1); + + /* release core reset */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CFGREG_SW_RSTN, + SW_RSTN_C0 | SW_DBG_RSTN_C0, + 0); + + /* clear RUNSTALL (bit31) to start core */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_IO_CONFIG, + RUNSTALL, 0); +} + +void sof_hifixdsp_shutdown(struct snd_sof_dev *sdev) +{ + /* set RUNSTALL to stop core */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_HIFI_IO_CONFIG, + RUNSTALL, RUNSTALL); + + /* assert core reset */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, ADSP_CFGREG_SW_RSTN, + SW_RSTN_C0 | SW_DBG_RSTN_C0, + SW_RSTN_C0 | SW_DBG_RSTN_C0); +} + diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediatek/mt8186/mt8186.c index 60021195e0b5..892cd7d79994 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186.c @@ -204,6 +204,17 @@ static int adsp_shared_base_ioremap(struct platform_device *pdev, void *data) return 0; }
+static int mt8186_run(struct snd_sof_dev *sdev) +{ + u32 adsp_bootup_addr; + + adsp_bootup_addr = SRAM_PHYS_BASE_FROM_DSP_VIEW; + dev_dbg(sdev->dev, "HIFIxDSP boot from base : 0x%08X\n", adsp_bootup_addr); + sof_hifixdsp_boot_sequence(sdev, adsp_bootup_addr); + + return 0; +} + static int mt8186_dsp_probe(struct snd_sof_dev *sdev) { struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev); @@ -272,6 +283,7 @@ static int mt8186_dsp_probe(struct snd_sof_dev *sdev)
static int mt8186_dsp_remove(struct snd_sof_dev *sdev) { + sof_hifixdsp_shutdown(sdev); adsp_sram_power_off(sdev);
return 0; @@ -289,6 +301,9 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = { .probe = mt8186_dsp_probe, .remove = mt8186_dsp_remove,
+ /* DSP core boot */ + .run = mt8186_run, + /* Block IO */ .block_read = sof_block_read, .block_write = sof_block_write, @@ -302,6 +317,9 @@ static struct snd_sof_dsp_ops sof_mt8186_ops = { /* misc */ .get_bar_index = mt8186_get_bar_index,
+ /* firmware loading */ + .load_firmware = snd_sof_load_firmware_memcpy, + /* Firmware ops */ .dsp_arch_ops = &sof_xtensa_arch_ops,
diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.h b/sound/soc/sof/mediatek/mt8186/mt8186.h index 40ea7cb9295b..df52ae9659e4 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.h +++ b/sound/soc/sof/mediatek/mt8186/mt8186.h @@ -10,6 +10,7 @@ #define __MT8186_H
struct mtk_adsp_chip_info; +struct snd_sof_dev;
#define DSP_REG_BAR 4 #define DSP_SECREG_BAR 5 @@ -74,4 +75,6 @@ struct mtk_adsp_chip_info; #define SIZE_SHARED_DRAM_UL 0x40000 /*Shared buffer for Uplink*/ #define TOTAL_SIZE_SHARED_DRAM_FROM_TAIL (SIZE_SHARED_DRAM_DL + SIZE_SHARED_DRAM_UL)
+void sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr); +void sof_hifixdsp_shutdown(struct snd_sof_dev *sdev); #endif