Unverified Commit 55d7bbe4 authored by Venkata Prasad Potturu's avatar Venkata Prasad Potturu Committed by Mark Brown
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ASoC: SOF: amd: Add acp-psp mailbox interface for iram-dram fence register modification 



Add acp-psp mailbox communication interface for iram-dram size
modification to notify psp.

Signed-off-by: default avatarVenkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://msgid.link/r/20231219112416.3334928-5-venkataprasad.potturu@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ced7151b

sound/soc/sof/amd/acp.c

+11 −0
Original line number Diff line number Diff line
@@ -278,6 +278,17 @@ int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr, 
			return ret;

	}



	/* psp_send_cmd only required for vangogh platform (rev - 5) */

	if (desc->rev == 5) {

		/* Modify IRAM and DRAM size */

		ret = psp_send_cmd(adata, MBOX_ACP_IRAM_DRAM_FENCE_COMMAND | IRAM_DRAM_FENCE_2);

		if (ret)

			return ret;

		ret = psp_send_cmd(adata, MBOX_ACP_IRAM_DRAM_FENCE_COMMAND | MBOX_ISREADY_FLAG);

		if (ret)

			return ret;

	}



	ret = snd_sof_dsp_read_poll_timeout(sdev, ACP_DSP_BAR, ACP_SHA_DSP_FW_QUALIFIER,

					    fw_qualifier, fw_qualifier & DSP_FW_RUN_ENABLE,

					    ACP_REG_POLL_INTERVAL, ACP_DMA_COMPLETE_TIMEOUT_US);

sound/soc/sof/amd/acp.h

+5 −0
Original line number Diff line number Diff line
@@ -74,9 +74,14 @@ 
#define MP0_C2PMSG_114_REG			0x3810AC8

#define MP0_C2PMSG_73_REG			0x3810A24

#define MBOX_ACP_SHA_DMA_COMMAND		0x70000

#define MBOX_ACP_IRAM_DRAM_FENCE_COMMAND	0x80000

#define MBOX_DELAY_US				1000

#define MBOX_READY_MASK				0x80000000

#define MBOX_STATUS_MASK			0xFFFF

#define MBOX_ISREADY_FLAG			0x40000000

#define IRAM_DRAM_FENCE_0			0X0

#define IRAM_DRAM_FENCE_1			0X01

#define IRAM_DRAM_FENCE_2			0X02



#define BOX_SIZE_512				0x200

#define BOX_SIZE_1024				0x400