Commit 06b97ff9 authored by Jakub Kicinski's avatar Jakub Kicinski
Browse files

Merge branch 'ipa-v5-2-support' 

Luca Weiss says:

====================
IPA v5.2 support

Add support for IPA v5.2 which can be found in the Milos SoC.
====================

Link: https://patch.msgid.link/20260410-ipa-v5-2-v2-0-778422a05060@fairphone.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parents 6bc78039 4bf38bac

Documentation/devicetree/bindings/net/qcom,ipa.yaml

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Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ properties: 
  compatible:

    oneOf:

      - enum:

          - qcom,milos-ipa

          - qcom,msm8998-ipa

          - qcom,sc7180-ipa

          - qcom,sc7280-ipa

drivers/net/ipa/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@ IPA_REG_VERSIONS := 3.1 3.5.1 4.2 4.5 4.7 4.9 4.11 5.0 5.5 
# Some IPA versions can reuse another set of GSI register definitions.

GSI_REG_VERSIONS	:=	3.1 3.5.1 4.0 4.5 4.9 4.11 5.0



IPA_DATA_VERSIONS	:=	3.1 3.5.1 4.2 4.5 4.7 4.9 4.11 5.0 5.5

IPA_DATA_VERSIONS	:=	3.1 3.5.1 4.2 4.5 4.7 4.9 4.11 5.0 5.2 5.5



obj-$(CONFIG_QCOM_IPA)	+=	ipa.o

drivers/net/ipa/data/ipa_data-v5.2.c

0 → 100644
+452 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (C) 2023-2024 Linaro Ltd.

 * Copyright (c) 2026, Luca Weiss <luca.weiss@fairphone.com>

 */



#include <linux/array_size.h>

#include <linux/log2.h>



#include "../ipa_data.h"

#include "../ipa_endpoint.h"

#include "../ipa_mem.h"

#include "../ipa_version.h"



/** enum ipa_resource_type - IPA resource types for an SoC having IPA v5.2 */

enum ipa_resource_type {

	/* Source resource types; first must have value 0 */

	IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS		= 0,

	IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS,

	IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF,

	IPA_RESOURCE_TYPE_SRC_HPS_DMARS,

	IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES,



	/* Destination resource types; first must have value 0 */

	IPA_RESOURCE_TYPE_DST_DATA_SECTORS		= 0,

	IPA_RESOURCE_TYPE_DST_DPS_DMARS,

	IPA_RESOURCE_TYPE_DST_ULSO_SEGMENTS,

};



/* Resource groups used for an SoC having IPA v5.2 */

enum ipa_rsrc_group_id {

	/* Source resource group identifiers */

	IPA_RSRC_GROUP_SRC_UL				= 0,

	IPA_RSRC_GROUP_SRC_DL,

	IPA_RSRC_GROUP_SRC_URLLC,

	IPA_RSRC_GROUP_SRC_COUNT,	/* Last in set; not a source group */



	/* Destination resource group identifiers */

	IPA_RSRC_GROUP_DST_UL				= 0,

	IPA_RSRC_GROUP_DST_DL,

	IPA_RSRC_GROUP_DST_UNUSED_1,

	IPA_RSRC_GROUP_DST_DRB_IP,

	IPA_RSRC_GROUP_DST_COUNT,	/* Last; not a destination group */

};



/* QSB configuration data for an SoC having IPA v5.2 */

static const struct ipa_qsb_data ipa_qsb_data[] = {

	[IPA_QSB_MASTER_DDR] = {

		.max_writes		= 13,

		.max_reads		= 13,

		.max_reads_beats	= 0,

	},

};



/* Endpoint configuration data for an SoC having IPA v5.2 */

static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {

	[IPA_ENDPOINT_AP_COMMAND_TX] = {

		.ee_id		= GSI_EE_AP,

		.channel_id	= 6,

		.endpoint_id	= 9,

		.toward_ipa	= true,

		.channel = {

			.tre_count	= 256,

			.event_count	= 256,

			.tlv_count	= 20,

		},

		.endpoint = {

			.config = {

				.resource_group	= IPA_RSRC_GROUP_SRC_UL,

				.dma_mode	= true,

				.dma_endpoint	= IPA_ENDPOINT_AP_LAN_RX,

				.tx = {

					.seq_type = IPA_SEQ_DMA,

				},

			},

		},

	},

	[IPA_ENDPOINT_AP_LAN_RX] = {

		.ee_id		= GSI_EE_AP,

		.channel_id	= 7,

		.endpoint_id	= 11,

		.toward_ipa	= false,

		.channel = {

			.tre_count	= 256,

			.event_count	= 256,

			.tlv_count	= 9,

		},

		.endpoint = {

			.config = {

				.resource_group	= IPA_RSRC_GROUP_DST_UL,

				.aggregation	= true,

				.status_enable	= true,

				.rx = {

					.buffer_size	= 8192,

					.pad_align	= ilog2(sizeof(u32)),

					.aggr_time_limit = 500,

				},

			},

		},

	},

	[IPA_ENDPOINT_AP_MODEM_TX] = {

		.ee_id		= GSI_EE_AP,

		.channel_id	= 5,

		.endpoint_id	= 2,

		.toward_ipa	= true,

		.channel = {

			.tre_count	= 512,

			.event_count	= 512,

			.tlv_count	= 25,

		},

		.endpoint = {

			.filter_support	= true,

			.config = {

				.resource_group	= IPA_RSRC_GROUP_SRC_UL,

				.checksum       = true,

				.qmap		= true,

				.status_enable	= true,

				.tx = {

					.seq_type = IPA_SEQ_2_PASS_SKIP_LAST_UC,

					.status_endpoint =

						IPA_ENDPOINT_MODEM_AP_RX,

				},

			},

		},

	},

	[IPA_ENDPOINT_AP_MODEM_RX] = {

		.ee_id		= GSI_EE_AP,

		.channel_id	= 9,

		.endpoint_id	= 18,

		.toward_ipa	= false,

		.channel = {

			.tre_count	= 256,

			.event_count	= 256,

			.tlv_count	= 9,

		},

		.endpoint = {

			.config = {

				.resource_group	= IPA_RSRC_GROUP_DST_DL,

				.checksum       = true,

				.qmap		= true,

				.aggregation	= true,

				.rx = {

					.buffer_size	= 8192,

					.aggr_time_limit = 500,

					.aggr_close_eof	= true,

				},

			},

		},

	},

	[IPA_ENDPOINT_MODEM_AP_TX] = {

		.ee_id		= GSI_EE_MODEM,

		.channel_id	= 0,

		.endpoint_id	= 7,

		.toward_ipa	= true,

		.endpoint = {

			.filter_support	= true,

		},

	},

	[IPA_ENDPOINT_MODEM_AP_RX] = {

		.ee_id		= GSI_EE_MODEM,

		.channel_id	= 7,

		.endpoint_id	= 16,

		.toward_ipa	= false,

	},

	[IPA_ENDPOINT_MODEM_DL_NLO_TX] = {

		.ee_id		= GSI_EE_MODEM,

		.channel_id	= 2,

		.endpoint_id	= 10,

		.toward_ipa	= true,

		.endpoint = {

			.filter_support	= true,

		},

	},

};



/* Source resource configuration data for an SoC having IPA v5.2 */

static const struct ipa_resource ipa_resource_src[] = {

	[IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS] = {

		.limits[IPA_RSRC_GROUP_SRC_UL] = {

			.min = 1,	.max = 7,

		},

		.limits[IPA_RSRC_GROUP_SRC_DL] = {

			.min = 1,	.max = 7,

		},

		.limits[IPA_RSRC_GROUP_SRC_URLLC] = {

			.min = 0,	.max = 5,

		},

	},

	[IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS] = {

		.limits[IPA_RSRC_GROUP_SRC_UL] = {

			.min = 8,	.max = 8,

		},

		.limits[IPA_RSRC_GROUP_SRC_DL] = {

			.min = 8,	.max = 8,

		},

		.limits[IPA_RSRC_GROUP_SRC_URLLC] = {

			.min = 8,	.max = 8,

		},

	},

	[IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF] = {

		.limits[IPA_RSRC_GROUP_SRC_UL] = {

			.min = 10,	.max = 10,

		},

		.limits[IPA_RSRC_GROUP_SRC_DL] = {

			.min = 12,	.max = 12,

		},

		.limits[IPA_RSRC_GROUP_SRC_URLLC] = {

			.min = 12,	.max = 12,

		},

	},

	[IPA_RESOURCE_TYPE_SRC_HPS_DMARS] = {

		.limits[IPA_RSRC_GROUP_SRC_UL] = {

			.min = 0,	.max = 63,

		},

		.limits[IPA_RSRC_GROUP_SRC_DL] = {

			.min = 0,	.max = 63,

		},

		.limits[IPA_RSRC_GROUP_SRC_URLLC] = {

			.min = 0,	.max = 63,

		},

	},

	[IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES] = {

		.limits[IPA_RSRC_GROUP_SRC_UL] = {

			.min = 15,	.max = 15,

		},

		.limits[IPA_RSRC_GROUP_SRC_DL] = {

			.min = 15,	.max = 15,

		},

		.limits[IPA_RSRC_GROUP_SRC_URLLC] = {

			.min = 12,	.max = 12,

		},

	},

};



/* Destination resource configuration data for an SoC having IPA v5.2 */

static const struct ipa_resource ipa_resource_dst[] = {

	[IPA_RESOURCE_TYPE_DST_DATA_SECTORS] = {

		.limits[IPA_RSRC_GROUP_DST_UL] = {

			.min = 3,	.max = 3,

		},

		.limits[IPA_RSRC_GROUP_DST_DL] = {

			.min = 3,	.max = 3,

		},

		.limits[IPA_RSRC_GROUP_DST_DRB_IP] = {

			.min = 23,	.max = 23,

		},

	},

	[IPA_RESOURCE_TYPE_DST_DPS_DMARS] = {

		.limits[IPA_RSRC_GROUP_DST_UL] = {

			.min = 1,	.max = 2,

		},

		.limits[IPA_RSRC_GROUP_DST_DL] = {

			.min = 1,	.max = 2,

		},

	},

	[IPA_RESOURCE_TYPE_DST_ULSO_SEGMENTS] = {

		.limits[IPA_RSRC_GROUP_DST_UL] = {

			.min = 1,	.max = 63,

		},

		.limits[IPA_RSRC_GROUP_DST_DL] = {

			.min = 1,	.max = 63,

		},

	},

};



/* Resource configuration data for an SoC having IPA v5.2 */

static const struct ipa_resource_data ipa_resource_data = {

	.rsrc_group_dst_count	= IPA_RSRC_GROUP_DST_COUNT,

	.rsrc_group_src_count	= IPA_RSRC_GROUP_SRC_COUNT,

	.resource_src_count	= ARRAY_SIZE(ipa_resource_src),

	.resource_src		= ipa_resource_src,

	.resource_dst_count	= ARRAY_SIZE(ipa_resource_dst),

	.resource_dst		= ipa_resource_dst,

};



/* IPA-resident memory region data for an SoC having IPA v5.2 */

static const struct ipa_mem ipa_mem_local_data[] = {

	{

		.id		= IPA_MEM_UC_SHARED,

		.offset		= 0x0000,

		.size		= 0x0080,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_UC_INFO,

		.offset		= 0x0080,

		.size		= 0x0200,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_V4_FILTER_HASHED,

		.offset		= 0x0288,

		.size		= 0x0078,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_V4_FILTER,

		.offset		= 0x0308,

		.size		= 0x0078,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_V6_FILTER_HASHED,

		.offset		= 0x0388,

		.size		= 0x0078,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_V6_FILTER,

		.offset		= 0x0408,

		.size		= 0x0078,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_V4_ROUTE_HASHED,

		.offset		= 0x0488,

		.size		= 0x0098,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_V4_ROUTE,

		.offset		= 0x0528,

		.size		= 0x0098,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_V6_ROUTE_HASHED,

		.offset		= 0x05c8,

		.size		= 0x0098,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_V6_ROUTE,

		.offset		= 0x0668,

		.size		= 0x0098,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_MODEM_HEADER,

		.offset		= 0x0708,

		.size		= 0x0240,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_AP_HEADER,

		.offset		= 0x0948,

		.size		= 0x01e0,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_MODEM_PROC_CTX,

		.offset		= 0x0b40,

		.size		= 0x0b20,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_AP_PROC_CTX,

		.offset		= 0x1660,

		.size		= 0x0200,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_STATS_QUOTA_MODEM,

		.offset		= 0x1868,

		.size		= 0x0060,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_STATS_QUOTA_AP,

		.offset		= 0x18c8,

		.size		= 0x0048,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_STATS_TETHERING,

		.offset		= 0x1910,

		.size		= 0x03c0,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_STATS_FILTER_ROUTE,

		.offset		= 0x1cd0,

		.size		= 0x0ba0,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_STATS_DROP,

		.offset		= 0x2870,

		.size		= 0x0020,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_MODEM,

		.offset		= 0x2898,

		.size		= 0x0d48,

		.canary_count	= 2,

	},

	{

		.id		= IPA_MEM_NAT_TABLE,

		.offset		= 0x35e0,

		.size		= 0x0900,

		.canary_count	= 0,

	},

	{

		.id		= IPA_MEM_PDN_CONFIG,

		.offset		= 0x3ee8,

		.size		= 0x0100,

		.canary_count	= 2,

	},

};



/* Memory configuration data for an SoC having IPA v5.2 */

static const struct ipa_mem_data ipa_mem_data = {

	.local_count	= ARRAY_SIZE(ipa_mem_local_data),

	.local		= ipa_mem_local_data,

	.smem_size	= 0x0000b000,

};



/* Interconnect rates are in 1000 byte/second units */

static const struct ipa_interconnect_data ipa_interconnect_data[] = {

	{

		.name			= "memory",

		.peak_bandwidth		= 1300000,	/* 1.3 GBps */

		.average_bandwidth	= 600000,	/* 600 MBps */

	},

	/* Average rate is unused for the next interconnect */

	{

		.name			= "config",

		.peak_bandwidth		= 76800,	/* 76.8 MBps */

		.average_bandwidth	= 0,		/* unused */

	},

};



/* Clock and interconnect configuration data for an SoC having IPA v5.2 */

static const struct ipa_power_data ipa_power_data = {

	.core_clock_rate	= 120 * 1000 * 1000,	/* Hz */

	.interconnect_count	= ARRAY_SIZE(ipa_interconnect_data),

	.interconnect_data	= ipa_interconnect_data,

};



/* Configuration data for an SoC having IPA v5.2. */

const struct ipa_data ipa_data_v5_2 = {

	.version		= IPA_VERSION_5_2,

	.qsb_count		= ARRAY_SIZE(ipa_qsb_data),

	.qsb_data		= ipa_qsb_data,

	.modem_route_count	= 11,

	.endpoint_count		= ARRAY_SIZE(ipa_gsi_endpoint_data),

	.endpoint_data		= ipa_gsi_endpoint_data,

	.resource_data		= &ipa_resource_data,

	.mem_data		= &ipa_mem_data,

	.power_data		= &ipa_power_data,

};

drivers/net/ipa/gsi_reg.c

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@@ -110,6 +110,7 @@ static const struct regs *gsi_regs(struct gsi *gsi) 
		return &gsi_regs_v4_11;



	case IPA_VERSION_5_0:

	case IPA_VERSION_5_2:

	case IPA_VERSION_5_5:

		return &gsi_regs_v5_0;

drivers/net/ipa/ipa_data.h

+1 −0
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@@ -253,6 +253,7 @@ extern const struct ipa_data ipa_data_v4_7; 
extern const struct ipa_data ipa_data_v4_9;

extern const struct ipa_data ipa_data_v4_11;

extern const struct ipa_data ipa_data_v5_0;

extern const struct ipa_data ipa_data_v5_2;

extern const struct ipa_data ipa_data_v5_5;



#endif /* _IPA_DATA_H_ */