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Fri, 30 May 2025 06:35:58 -0700 From: Sumit Gupta To: , , , , , , , CC: <--to=tbergstrom@nvidia.com>, , Subject: [Patch 8/8] soc: tegra: cbb: add support for cbb fabrics in GB10 Date: Fri, 30 May 2025 19:03:36 +0530 Message-ID: <20250530133336.1419971-9-sumitg@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250530133336.1419971-1-sumitg@nvidia.com> References: <20250530133336.1419971-1-sumitg@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709B:EE_|SJ0PR12MB6782:EE_ X-MS-Office365-Filtering-Correlation-Id: 35db59a4-6b7c-40a1-716f-08dd9f7ef1d5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 May 2025 13:36:12.7030 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 35db59a4-6b7c-40a1-716f-08dd9f7ef1d5 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001709B.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB6782 Content-Type: text/plain; charset="utf-8" Add support for CBB 2.0 based fabrics in GB10 SoC using ACPI. Fabrics reporting errors are: C2C, GPU, Display_Cluster. GB10 is using hardware based lookup to get target node address. So, the target_map tables for each fabric are not needed now. Signed-off-by: Sumit Gupta --- drivers/soc/tegra/cbb/tegra234-cbb.c | 58 ++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/drivers/soc/tegra/cbb/tegra234-cbb.c b/drivers/soc/tegra/cbb/t= egra234-cbb.c index 69c704938679..99a4a636a04c 100644 --- a/drivers/soc/tegra/cbb/tegra234-cbb.c +++ b/drivers/soc/tegra/cbb/tegra234-cbb.c @@ -117,6 +117,15 @@ enum tegra264_cbb_fabric_ids { T264_RSVD7_FABRIC_ID, }; =20 +enum gb10_cbb_fabric_ids { + GB10_DCE_FABRIC_ID =3D 19, + GB10_DISP_CLUSTER_FABRIC_ID =3D 25, + GB10_C2C_FABRIC_ID =3D 26, + GB10_GPU_FABRIC_ID =3D 27, + GB10_DISP_CLUSTER_1_FABRIC_ID =3D 28, + GB10_MAX_FABRIC_ID, +}; + struct tegra234_target_lookup { const char *name; unsigned int offset; @@ -1418,6 +1427,52 @@ static const struct tegra234_cbb_fabric tegra264_vis= ion_cbb_fabric =3D { .firewall_wr_ctl =3D 0x5c8, }; =20 +static const struct tegra234_fabric_lookup gb10_cbb_fab_list[] =3D { + [GB10_C2C_FABRIC_ID] =3D { "c2c-fabric", true }, + [GB10_DISP_CLUSTER_FABRIC_ID] =3D { "display-cluster-fabric", true }, + [GB10_GPU_FABRIC_ID] =3D { "gpu-fabric", true }, +}; + +static const struct tegra234_cbb_fabric gb10s_c2c_fabric =3D { + .fab_id =3D GB10_C2C_FABRIC_ID, + .fab_list =3D gb10_cbb_fab_list, + .errors =3D tegra241_cbb_errors, + .max_errors =3D ARRAY_SIZE(tegra241_cbb_errors), + .err_intr_enbl =3D 0xf, + .err_status_clr =3D 0x1ff007f, + .notifier_offset =3D 0x50000, + .off_mask_erd =3D 0x14004, + .firewall_base =3D 0x40000, + .firewall_ctl =3D 0x9b0, + .firewall_wr_ctl =3D 0x9a8, +}; + +static const struct tegra234_cbb_fabric gb10s_disp_fabric =3D { + .fab_id =3D GB10_DISP_CLUSTER_FABRIC_ID, + .fab_list =3D gb10_cbb_fab_list, + .errors =3D tegra241_cbb_errors, + .max_errors =3D ARRAY_SIZE(tegra241_cbb_errors), + .err_intr_enbl =3D 0x1, + .err_status_clr =3D 0x1ff007f, + .notifier_offset =3D 0x50000, + .firewall_base =3D 0x30000, + .firewall_ctl =3D 0x810, + .firewall_wr_ctl =3D 0x808, +}; + +static const struct tegra234_cbb_fabric gb10g_gpu_fabric =3D { + .fab_id =3D GB10_GPU_FABRIC_ID, + .fab_list =3D gb10_cbb_fab_list, + .errors =3D tegra241_cbb_errors, + .max_errors =3D ARRAY_SIZE(tegra241_cbb_errors), + .err_intr_enbl =3D 0x1f, + .err_status_clr =3D 0x1ff007f, + .notifier_offset =3D 0x50000, + .firewall_base =3D 0x30000, + .firewall_ctl =3D 0x930, + .firewall_wr_ctl =3D 0x928, +}; + static const struct of_device_id tegra234_cbb_dt_ids[] =3D { { .compatible =3D "nvidia,tegra234-cbb-fabric", .data =3D &tegra234_cbb_f= abric }, { .compatible =3D "nvidia,tegra234-aon-fabric", .data =3D &tegra234_aon_f= abric }, @@ -1442,6 +1497,9 @@ struct tegra234_cbb_acpi_uid { static const struct tegra234_cbb_acpi_uid tegra234_cbb_acpi_uids[] =3D { { "NVDA1070", "1", &tegra241_cbb_fabric }, { "NVDA1070", "2", &tegra241_bpmp_fabric }, + { "NVDA1070", "3", &gb10s_c2c_fabric }, + { "NVDA1070", "4", &gb10s_disp_fabric }, + { "NVDA1070", "5", &gb10g_gpu_fabric }, { }, }; =20 --=20 2.25.1