From: YC Hung yc.hung@mediatek.com
Add mt8195-loader module with ops callback to load and run firmware on mt8195 platform.
Signed-off-by: YC Hung yc.hung@mediatek.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Kai Vehmanen kai.vehmanen@linux.intel.com Reviewed-by: Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com Signed-off-by: Daniel Baluta daniel.baluta@nxp.com --- sound/soc/sof/mediatek/mt8195/Makefile | 2 +- sound/soc/sof/mediatek/mt8195/mt8195-loader.c | 56 +++++++++++++++++++ sound/soc/sof/mediatek/mt8195/mt8195.c | 8 +++ sound/soc/sof/mediatek/mt8195/mt8195.h | 3 + 4 files changed, 68 insertions(+), 1 deletion(-) create mode 100644 sound/soc/sof/mediatek/mt8195/mt8195-loader.c
diff --git a/sound/soc/sof/mediatek/mt8195/Makefile b/sound/soc/sof/mediatek/mt8195/Makefile index bf23d88db828..60fca24c068a 100644 --- a/sound/soc/sof/mediatek/mt8195/Makefile +++ b/sound/soc/sof/mediatek/mt8195/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) -snd-sof-mt8195-objs := mt8195.o +snd-sof-mt8195-objs := mt8195.o mt8195-loader.o obj-$(CONFIG_SND_SOC_SOF_MT8195) += snd-sof-mt8195.o
diff --git a/sound/soc/sof/mediatek/mt8195/mt8195-loader.c b/sound/soc/sof/mediatek/mt8195/mt8195-loader.c new file mode 100644 index 000000000000..ed18d6379e92 --- /dev/null +++ b/sound/soc/sof/mediatek/mt8195/mt8195-loader.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// Copyright (c) 2021 Mediatek Corporation. All rights reserved. +// +// Author: YC Hung yc.hung@mediatek.com +// +// Hardware interface for mt8195 DSP code loader + +#include <sound/sof.h> +#include "mt8195.h" +#include "../../ops.h" + +void sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr) +{ + /* ADSP bootup base */ + snd_sof_dsp_write(sdev, DSP_REG_BAR, DSP_ALTRESETVEC, boot_addr); + + /* pull high RunStall (set bit3 to 1) */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW, + ADSP_RUNSTALL, ADSP_RUNSTALL); + + /* pull high StatVectorSel to use AltResetVec (set bit4 to 1) */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW, + DSP_RESET_SW, DSP_RESET_SW); + + /* toggle DReset & BReset */ + /* pull high DReset & BReset */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW, + ADSP_BRESET_SW | ADSP_DRESET_SW, + ADSP_BRESET_SW | ADSP_DRESET_SW); + + /* pull low DReset & BReset */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW, + ADSP_BRESET_SW | ADSP_DRESET_SW, + 0); + + /* Enable PDebug */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_PDEBUGBUS0, + PDEBUG_ENABLE, + PDEBUG_ENABLE); + + /* release RunStall (set bit3 to 0) */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW, + ADSP_RUNSTALL, 0); +} + +void sof_hifixdsp_shutdown(struct snd_sof_dev *sdev) +{ + /* Clear to 0 firstly */ + snd_sof_dsp_write(sdev, DSP_REG_BAR, DSP_RESET_SW, 0x0); + + /* RUN_STALL pull high again to reset */ + snd_sof_dsp_update_bits(sdev, DSP_REG_BAR, DSP_RESET_SW, + ADSP_RUNSTALL, ADSP_RUNSTALL); +} + diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c index 945601a0dc37..88da6c2de070 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.c +++ b/sound/soc/sof/mediatek/mt8195/mt8195.c @@ -305,6 +305,9 @@ const struct snd_sof_dsp_ops sof_mt8195_ops = { .probe = mt8195_dsp_probe, .remove = mt8195_dsp_remove,
+ /* DSP core boot */ + .run = mt8195_run, + /* Block IO */ .block_read = sof_block_read, .block_write = sof_block_write, @@ -318,6 +321,11 @@ const struct snd_sof_dsp_ops sof_mt8195_ops = { /* misc */ .get_bar_index = mt8195_get_bar_index,
+ /* module loading */ + .load_module = snd_sof_parse_module_memcpy, + /* 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/mt8195/mt8195.h b/sound/soc/sof/mediatek/mt8195/mt8195.h index 48cbbb5aacb5..929424182357 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.h +++ b/sound/soc/sof/mediatek/mt8195/mt8195.h @@ -10,6 +10,7 @@ #define __MT8195_H
struct mtk_adsp_chip_info; +struct snd_sof_dev;
#define DSP_REG_BASE 0x10803000 #define SCP_CFGREG_BASE 0x10724000 @@ -152,4 +153,6 @@ struct mtk_adsp_chip_info; #define DRAM_REMAP_SHIFT 12 #define DRAM_REMAP_MASK (BIT(DRAM_REMAP_SHIFT) - 1)
+void sof_hifixdsp_boot_sequence(struct snd_sof_dev *sdev, u32 boot_addr); +void sof_hifixdsp_shutdown(struct snd_sof_dev *sdev); #endif