npu1_regs.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2023-2024, Advanced Micro Devices, Inc.
 */

#include <drm/amdxdna_accel.h>
#include <drm/drm_device.h>
#include <drm/gpu_scheduler.h>
#include <linux/bits.h>
#include <linux/sizes.h>

#include "aie2_pci.h"
#include "amdxdna_mailbox.h"
#include "amdxdna_pci_drv.h"

/* Address definition from NPU1 docs */
#define MPNPU_PWAITMODE			0x3010034
#define MPNPU_PUB_SEC_INTR		0x3010090
#define MPNPU_PUB_PWRMGMT_INTR		0x3010094
#define MPNPU_PUB_SCRATCH2		0x30100A0
#define MPNPU_PUB_SCRATCH3		0x30100A4
#define MPNPU_PUB_SCRATCH4		0x30100A8
#define MPNPU_PUB_SCRATCH5		0x30100AC
#define MPNPU_PUB_SCRATCH6		0x30100B0
#define MPNPU_PUB_SCRATCH7		0x30100B4
#define MPNPU_PUB_SCRATCH9		0x30100BC

#define MPNPU_SRAM_X2I_MAILBOX_0	0x30A0000
#define MPNPU_SRAM_X2I_MAILBOX_1	0x30A2000
#define MPNPU_SRAM_I2X_MAILBOX_15	0x30BF000

#define MPNPU_APERTURE0_BASE		0x3000000
#define MPNPU_APERTURE1_BASE		0x3080000
#define MPNPU_APERTURE2_BASE		0x30C0000

/* PCIe BAR Index for NPU1 */
#define NPU1_REG_BAR_INDEX  0
#define NPU1_MBOX_BAR_INDEX 4
#define NPU1_PSP_BAR_INDEX  0
#define NPU1_SMU_BAR_INDEX  0
#define NPU1_SRAM_BAR_INDEX 2
/* Associated BARs and Apertures */
#define NPU1_REG_BAR_BASE  MPNPU_APERTURE0_BASE
#define NPU1_MBOX_BAR_BASE MPNPU_APERTURE2_BASE
#define NPU1_PSP_BAR_BASE  MPNPU_APERTURE0_BASE
#define NPU1_SMU_BAR_BASE  MPNPU_APERTURE0_BASE
#define NPU1_SRAM_BAR_BASE MPNPU_APERTURE1_BASE

const struct rt_config npu1_default_rt_cfg[] = {
	{ 2, 1, AIE2_RT_CFG_INIT }, /* PDI APP LOAD MODE */
	{ 4, 1, AIE2_RT_CFG_INIT }, /* Debug BO */
	{ 1, 1, AIE2_RT_CFG_CLK_GATING }, /* Clock gating on */
	{ 0 },
};

const struct dpm_clk_freq npu1_dpm_clk_table[] = {
	{400, 800},
	{600, 1024},
	{600, 1024},
	{600, 1024},
	{600, 1024},
	{720, 1309},
	{720, 1309},
	{847, 1600},
	{ 0 }
};

static const struct aie2_fw_feature_tbl npu1_fw_feature_table[] = {
	{ .major = 5, .min_minor = 7 },
	{ .features = BIT_U64(AIE2_NPU_COMMAND), .min_minor = 8 },
	{ 0 }
};

static const struct amdxdna_dev_priv npu1_dev_priv = {
	.fw_path        = "amdnpu/1502_00/npu.sbin",
	.rt_config	= npu1_default_rt_cfg,
	.dpm_clk_tbl	= npu1_dpm_clk_table,
	.fw_feature_tbl = npu1_fw_feature_table,
	.col_align	= COL_ALIGN_NONE,
	.mbox_dev_addr  = NPU1_MBOX_BAR_BASE,
	.mbox_size      = 0, /* Use BAR size */
	.sram_dev_addr  = NPU1_SRAM_BAR_BASE,
	.hwctx_limit    = 6,
	.sram_offs      = {
		DEFINE_BAR_OFFSET(MBOX_CHANN_OFF, NPU1_SRAM, MPNPU_SRAM_X2I_MAILBOX_0),
		DEFINE_BAR_OFFSET(FW_ALIVE_OFF,   NPU1_SRAM, MPNPU_SRAM_I2X_MAILBOX_15),
	},
	.psp_regs_off   = {
		DEFINE_BAR_OFFSET(PSP_CMD_REG,    NPU1_PSP, MPNPU_PUB_SCRATCH2),
		DEFINE_BAR_OFFSET(PSP_ARG0_REG,   NPU1_PSP, MPNPU_PUB_SCRATCH3),
		DEFINE_BAR_OFFSET(PSP_ARG1_REG,   NPU1_PSP, MPNPU_PUB_SCRATCH4),
		DEFINE_BAR_OFFSET(PSP_ARG2_REG,   NPU1_PSP, MPNPU_PUB_SCRATCH9),
		DEFINE_BAR_OFFSET(PSP_INTR_REG,   NPU1_PSP, MPNPU_PUB_SEC_INTR),
		DEFINE_BAR_OFFSET(PSP_STATUS_REG, NPU1_PSP, MPNPU_PUB_SCRATCH2),
		DEFINE_BAR_OFFSET(PSP_RESP_REG,   NPU1_PSP, MPNPU_PUB_SCRATCH3),
		DEFINE_BAR_OFFSET(PSP_PWAITMODE_REG, NPU1_PSP, MPNPU_PWAITMODE),
	},
	.smu_regs_off   = {
		DEFINE_BAR_OFFSET(SMU_CMD_REG,  NPU1_SMU, MPNPU_PUB_SCRATCH5),
		DEFINE_BAR_OFFSET(SMU_ARG_REG,  NPU1_SMU, MPNPU_PUB_SCRATCH7),
		DEFINE_BAR_OFFSET(SMU_INTR_REG, NPU1_SMU, MPNPU_PUB_PWRMGMT_INTR),
		DEFINE_BAR_OFFSET(SMU_RESP_REG, NPU1_SMU, MPNPU_PUB_SCRATCH6),
		DEFINE_BAR_OFFSET(SMU_OUT_REG,  NPU1_SMU, MPNPU_PUB_SCRATCH7),
	},
	.hw_ops		= {
		.set_dpm = npu1_set_dpm,
	},
};

const struct amdxdna_dev_info dev_npu1_info = {
	.reg_bar           = NPU1_REG_BAR_INDEX,
	.mbox_bar          = NPU1_MBOX_BAR_INDEX,
	.sram_bar          = NPU1_SRAM_BAR_INDEX,
	.psp_bar           = NPU1_PSP_BAR_INDEX,
	.smu_bar           = NPU1_SMU_BAR_INDEX,
	.first_col         = 1,
	.dev_mem_buf_shift = 15, /* 32 KiB aligned */
	.dev_mem_base      = AIE2_DEVM_BASE,
	.dev_mem_size      = AIE2_DEVM_SIZE,
	.vbnv              = "RyzenAI-npu1",
	.device_type       = AMDXDNA_DEV_TYPE_KMQ,
	.dev_priv          = &npu1_dev_priv,
	.ops               = &aie2_ops,
};