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Date: Thu, 11 Feb 2021 18:50:13 +0100
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>
To: elder@...nel.org
Cc: bjorn.andersson@...aro.org, agross@...nel.org, davem@...emloft.net,
kuba@...nel.org, linux-arm-msm@...r.kernel.org,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, konrad.dybcio@...ainline.org,
marijn.suijten@...ainline.org, phone-devel@...r.kernel.org,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...ainline.org>
Subject: [PATCH v1 5/7] net: ipa: Add support for IPA on MSM8998
MSM8998 features IPA v3.1 (GSI v1.0): add the required configuration
data for it.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
---
drivers/net/ipa/Makefile | 3 +-
drivers/net/ipa/ipa_data-msm8998.c | 407 +++++++++++++++++++++++++++++
drivers/net/ipa/ipa_data.h | 5 +
drivers/net/ipa/ipa_main.c | 4 +
4 files changed, 418 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ipa/ipa_data-msm8998.c
diff --git a/drivers/net/ipa/Makefile b/drivers/net/ipa/Makefile
index afe5df1e6eee..4a6f4053dce2 100644
--- a/drivers/net/ipa/Makefile
+++ b/drivers/net/ipa/Makefile
@@ -9,4 +9,5 @@ ipa-y := ipa_main.o ipa_clock.o ipa_reg.o ipa_mem.o \
ipa_endpoint.o ipa_cmd.o ipa_modem.o \
ipa_qmi.o ipa_qmi_msg.o
-ipa-y += ipa_data-sdm845.o ipa_data-sc7180.o
+ipa-y += ipa_data-msm8998.o ipa_data-sdm845.o \
+ ipa_data-sc7180.o
diff --git a/drivers/net/ipa/ipa_data-msm8998.c b/drivers/net/ipa/ipa_data-msm8998.c
new file mode 100644
index 000000000000..90e724468e40
--- /dev/null
+++ b/drivers/net/ipa/ipa_data-msm8998.c
@@ -0,0 +1,407 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2019-2020 Linaro Ltd.
+ * Coypright (C) 2021, AngeloGioacchino Del Regno
+ * <angelogioacchino.delregno@...ainline.org>
+ */
+
+#include <linux/log2.h>
+
+#include "gsi.h"
+#include "ipa_data.h"
+#include "ipa_endpoint.h"
+#include "ipa_mem.h"
+
+/* Endpoint configuration for the MSM8998 SoC. */
+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 = 22,
+ .toward_ipa = true,
+ .channel = {
+ .tre_count = 256,
+ .event_count = 256,
+ .tlv_count = 18,
+ },
+ .endpoint = {
+ .seq_type = IPA_SEQ_DMA_ONLY,
+ .config = {
+ .resource_group = 1,
+ .dma_mode = true,
+ .dma_endpoint = IPA_ENDPOINT_AP_LAN_RX,
+ },
+ },
+ },
+ [IPA_ENDPOINT_AP_LAN_RX] = {
+ .ee_id = GSI_EE_AP,
+ .channel_id = 7,
+ .endpoint_id = 15,
+ .toward_ipa = false,
+ .channel = {
+ .tre_count = 256,
+ .event_count = 256,
+ .tlv_count = 8,
+ },
+ .endpoint = {
+ .seq_type = IPA_SEQ_INVALID,
+ .config = {
+ .resource_group = 1,
+ .aggregation = true,
+ .status_enable = true,
+ .rx = {
+ .pad_align = ilog2(sizeof(u32)),
+ },
+ },
+ },
+ },
+ [IPA_ENDPOINT_AP_MODEM_TX] = {
+ .ee_id = GSI_EE_AP,
+ .channel_id = 5,
+ .endpoint_id = 3,
+ .toward_ipa = true,
+ .channel = {
+ .tre_count = 512,
+ .event_count = 512,
+ .tlv_count = 16,
+ },
+ .endpoint = {
+ .filter_support = true,
+ .seq_type =
+ IPA_SEQ_2ND_PKT_PROCESS_PASS_NO_DEC_UCP,
+ .config = {
+ .resource_group = 1,
+ .checksum = true,
+ .qmap = true,
+ .status_enable = true,
+ .tx = {
+ .status_endpoint =
+ IPA_ENDPOINT_MODEM_AP_RX,
+ },
+ },
+ },
+ },
+ [IPA_ENDPOINT_AP_MODEM_RX] = {
+ .ee_id = GSI_EE_AP,
+ .channel_id = 8,
+ .endpoint_id = 16,
+ .toward_ipa = false,
+ .channel = {
+ .tre_count = 256,
+ .event_count = 256,
+ .tlv_count = 8,
+ },
+ .endpoint = {
+ .seq_type = IPA_SEQ_INVALID,
+ .config = {
+ .resource_group = 1,
+ .checksum = true,
+ .qmap = true,
+ .aggregation = true,
+ .rx = {
+ .aggr_close_eof = true,
+ },
+ },
+ },
+ },
+ [IPA_ENDPOINT_MODEM_COMMAND_TX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 1,
+ .endpoint_id = 6,
+ .toward_ipa = true,
+ },
+ [IPA_ENDPOINT_MODEM_LAN_TX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 4,
+ .endpoint_id = 9,
+ .toward_ipa = true,
+ .endpoint = {
+ .filter_support = true,
+ },
+ },
+ [IPA_ENDPOINT_MODEM_LAN_RX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 6,
+ .endpoint_id = 19,
+ .toward_ipa = false,
+ },
+ [IPA_ENDPOINT_MODEM_AP_TX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 0,
+ .endpoint_id = 5,
+ .toward_ipa = true,
+ .endpoint = {
+ .filter_support = true,
+ },
+ },
+ [IPA_ENDPOINT_MODEM_AP_RX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 5,
+ .endpoint_id = 18,
+ .toward_ipa = false,
+ },
+};
+
+/* For the MSM8998, resource groups are allocated this way:
+ * SRC DST
+ * group 0: UL UL
+ * group 1: DL DL/DPL
+ */
+static const struct ipa_resource_src ipa_resource_src[] = {
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS,
+ .limits[0] = {
+ .min = 3,
+ .max = 255,
+ },
+ .limits[1] = {
+ .min = 3,
+ .max = 255,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_HDR_SECTORS,
+ .limits[0] = {
+ .min = 0,
+ .max = 255,
+ },
+ .limits[1] = {
+ .min = 0,
+ .max = 255,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_HDRI1_BUFFER,
+ .limits[0] = {
+ .min = 0,
+ .max = 255,
+ },
+ .limits[1] = {
+ .min = 0,
+ .max = 255,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS,
+ .limits[0] = {
+ .min = 14,
+ .max = 14,
+ },
+ .limits[1] = {
+ .min = 16,
+ .max = 16,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF,
+ .limits[0] = {
+ .min = 19,
+ .max = 19,
+ },
+ .limits[1] = {
+ .min = 26,
+ .max = 26,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_HDRI2_BUFFERS,
+ .limits[0] = {
+ .min = 0,
+ .max = 255,
+ },
+ .limits[1] = {
+ .min = 0,
+ .max = 255,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_HPS_DMARS,
+ .limits[0] = {
+ .min = 0,
+ .max = 255,
+ },
+ .limits[1] = {
+ .min = 0,
+ .max = 255,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES,
+ .limits[0] = {
+ .min = 14,
+ .max = 14,
+ },
+ .limits[1] = {
+ .min = 16,
+ .max = 16,
+ },
+ },
+};
+
+static const struct ipa_resource_dst ipa_resource_dst[] = {
+ {
+ .type = IPA_RESOURCE_TYPE_DST_DATA_SECTORS,
+ .limits[0] = {
+ .min = 2,
+ .max = 2,
+ },
+ .limits[1] = {
+ .min = 3,
+ .max = 3,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_DST_DATA_SECTOR_LISTS,
+ .limits[0] = {
+ .min = 0,
+ .max = 255,
+ },
+ .limits[1] = {
+ .min = 0,
+ .max = 255,
+ },
+ },
+ {
+ .type = IPA_RESOURCE_TYPE_DST_DPS_DMARS,
+ .limits[0] = {
+ .min = 2,
+ .max = 63,
+ },
+ .limits[1] = {
+ .min = 1,
+ .max = 63,
+ },
+ },
+};
+
+/* Resource configuration for the MSM8998 SoC. */
+static const struct ipa_resource_data ipa_resource_data = {
+ .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 configuration for the MSM8998 SoC. */
+static const struct ipa_mem ipa_mem_local_data[] = {
+ [IPA_MEM_UC_SHARED] = {
+ .offset = 0x0000,
+ .size = 0x0080,
+ .canary_count = 0,
+ },
+ [IPA_MEM_UC_INFO] = {
+ .offset = 0x0080,
+ .size = 0x0200,
+ .canary_count = 0,
+ },
+ [IPA_MEM_V4_FILTER_HASHED] = {
+ .offset = 0x0288,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V4_FILTER] = {
+ .offset = 0x0308,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V6_FILTER_HASHED] = {
+ .offset = 0x0388,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V6_FILTER] = {
+ .offset = 0x0408,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V4_ROUTE_HASHED] = {
+ .offset = 0x0488,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V4_ROUTE] = {
+ .offset = 0x0508,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V6_ROUTE_HASHED] = {
+ .offset = 0x0588,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V6_ROUTE] = {
+ .offset = 0x0608,
+ .size = 0x0078,
+ .canary_count = 2,
+ },
+ [IPA_MEM_MODEM_HEADER] = {
+ .offset = 0x0688,
+ .size = 0x0140,
+ .canary_count = 2,
+ },
+ [IPA_MEM_AP_HEADER] = {
+ .offset = 0x07c8,
+ .size = 0x0000,
+ .canary_count = 0,
+ },
+ [IPA_MEM_MODEM_PROC_CTX] = {
+ .offset = 0x07d0,
+ .size = 0x0200,
+ .canary_count = 2,
+ },
+ [IPA_MEM_AP_PROC_CTX] = {
+ .offset = 0x09d0,
+ .size = 0x0200,
+ .canary_count = 0,
+ },
+ [IPA_MEM_MODEM] = {
+ .offset = 0x0bd8,
+ .size = 0x1424,
+ .canary_count = 0,
+ },
+ [IPA_MEM_UC_EVENT_RING] = { /* end_ofst */
+ .offset = 0x2000,
+ .size = 0,
+ .canary_count = 1,
+ },
+};
+
+static struct ipa_mem_data ipa_mem_data = {
+ .local_count = ARRAY_SIZE(ipa_mem_local_data),
+ .local = ipa_mem_local_data,
+ .imem_addr = 0x146bd000,
+ .imem_size = 0x00002000,
+ .smem_id = 497,
+ .smem_size = 0x00002000,
+};
+
+static struct ipa_clock_data ipa_clock_data = {
+ .core_clock_rate = 75 * 1000 * 1000, /* Hz */
+ /* Interconnect rates are in 1000 byte/second units */
+ .interconnect = {
+ [IPA_INTERCONNECT_MEMORY] = {
+ .peak_rate = 640000, /* 640 MBps */
+ .average_rate = 80000, /* 80 MBps */
+ },
+ /* Average rate is unused for the next two interconnects */
+ [IPA_INTERCONNECT_IMEM] = {
+ .peak_rate = 640000, /* 350 MBps */
+ .average_rate = 0, /* unused */
+ },
+ [IPA_INTERCONNECT_CONFIG] = {
+ .peak_rate = 80000, /* 40 MBps */
+ .average_rate = 0, /* unused */
+ },
+ },
+};
+
+/* Configuration data for the MSM8998 SoC. */
+const struct ipa_data ipa_data_msm8998 = {
+ .version = IPA_VERSION_3_1,
+ .endpoint_count = ARRAY_SIZE(ipa_gsi_endpoint_data),
+ .endpoint_data = ipa_gsi_endpoint_data,
+ .resource_data = &ipa_resource_data,
+ .mem_data = &ipa_mem_data,
+ .clock_data = &ipa_clock_data,
+};
diff --git a/drivers/net/ipa/ipa_data.h b/drivers/net/ipa/ipa_data.h
index 0ed5ffe2b8da..da2141f6888f 100644
--- a/drivers/net/ipa/ipa_data.h
+++ b/drivers/net/ipa/ipa_data.h
@@ -179,8 +179,11 @@ struct ipa_gsi_endpoint_data {
/** enum ipa_resource_type_src - source resource types */
enum ipa_resource_type_src {
IPA_RESOURCE_TYPE_SRC_PKT_CONTEXTS,
+ IPA_RESOURCE_TYPE_SRC_HDR_SECTORS,
+ IPA_RESOURCE_TYPE_SRC_HDRI1_BUFFER,
IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_LISTS,
IPA_RESOURCE_TYPE_SRC_DESCRIPTOR_BUFF,
+ IPA_RESOURCE_TYPE_SRC_HDRI2_BUFFERS,
IPA_RESOURCE_TYPE_SRC_HPS_DMARS,
IPA_RESOURCE_TYPE_SRC_ACK_ENTRIES,
};
@@ -188,6 +191,7 @@ enum ipa_resource_type_src {
/** enum ipa_resource_type_dst - destination resource types */
enum ipa_resource_type_dst {
IPA_RESOURCE_TYPE_DST_DATA_SECTORS,
+ IPA_RESOURCE_TYPE_DST_DATA_SECTOR_LISTS,
IPA_RESOURCE_TYPE_DST_DPS_DMARS,
};
@@ -304,6 +308,7 @@ struct ipa_data {
const struct ipa_clock_data *clock_data;
};
+extern const struct ipa_data ipa_data_msm8998;
extern const struct ipa_data ipa_data_sdm845;
extern const struct ipa_data ipa_data_sc7180;
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index be191993fbec..33a7d483c5e0 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -721,6 +721,10 @@ static int ipa_firmware_load(struct device *dev)
}
static const struct of_device_id ipa_match[] = {
+ {
+ .compatible = "qcom,msm8998-ipa",
+ .data = &ipa_data_msm8998,
+ },
{
.compatible = "qcom,sdm845-ipa",
.data = &ipa_data_sdm845,
--
2.30.0
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