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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by CY4PEPF0000EE34.mail.protection.outlook.com (10.167.242.40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7292.25 via Frontend Transport; Mon, 19 Feb 2024 17:46:20 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 19 Feb 2024 11:46:19 -0600 Received: from xsjtanmays50.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Mon, 19 Feb 2024 11:46:18 -0600 From: Tanmay Shah To: , , , , , , , CC: , , , Subject: [PATCH v11 1/4] remoteproc: zynqmp: fix lockstep mode memory region Date: Mon, 19 Feb 2024 09:44:29 -0800 Message-ID: <20240219174437.3722620-2-tanmay.shah@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240219174437.3722620-1-tanmay.shah@amd.com> References: <20240219174437.3722620-1-tanmay.shah@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE34:EE_|DS7PR12MB8324:EE_ X-MS-Office365-Filtering-Correlation-Id: f8b4e354-5b0c-4c72-b27d-08dc3172ae8c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Following is lockstep mode memory region as per hardware reference manual. | *TCM* | *R5 View* | *Linux view* | | R5_0 ATCM (128 KB) | 0x0000_0000 | 0xFFE0_0000 | | R5_0 BTCM (128 KB) | 0x0002_0000 | 0xFFE2_0000 | However, driver shouldn't model it as above because R5 core0 TCM and core1 TCM has different power-domains mapped to it. Hence, TCM address space in lockstep mode should be modeled as 64KB regions only where each region has its own power-domain as following: | *TCM* | *R5 View* | *Linux view* | | R5_0 ATCM0 (64 KB) | 0x0000_0000 | 0xFFE0_0000 | | R5_0 BTCM0 (64 KB) | 0x0002_0000 | 0xFFE2_0000 | | R5_0 ATCM1 (64 KB) | 0x0001_0000 | 0xFFE1_0000 | | R5_0 BTCM1 (64 KB) | 0x0003_0000 | 0xFFE3_0000 | This makes driver maintanance easy and makes design robust for future platorms as well. Signed-off-by: Tanmay Shah --- drivers/remoteproc/xlnx_r5_remoteproc.c | 145 ++---------------------- 1 file changed, 12 insertions(+), 133 deletions(-) diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c index 4395edea9a64..42b0384d34f2 100644 --- a/drivers/remoteproc/xlnx_r5_remoteproc.c +++ b/drivers/remoteproc/xlnx_r5_remoteproc.c @@ -84,12 +84,12 @@ static const struct mem_bank_data zynqmp_tcm_banks_split[] = { {0xffeb0000UL, 0x20000, 0x10000UL, PD_R5_1_BTCM, "btcm1"}, }; -/* In lockstep mode cluster combines each 64KB TCM and makes 128KB TCM */ +/* In lockstep mode cluster uses each 64KB TCM from second core as well */ static const struct mem_bank_data zynqmp_tcm_banks_lockstep[] = { - {0xffe00000UL, 0x0, 0x20000UL, PD_R5_0_ATCM, "atcm0"}, /* TCM 128KB each */ - {0xffe20000UL, 0x20000, 0x20000UL, PD_R5_0_BTCM, "btcm0"}, - {0, 0, 0, PD_R5_1_ATCM, ""}, - {0, 0, 0, PD_R5_1_BTCM, ""}, + {0xffe00000UL, 0x0, 0x10000UL, PD_R5_0_ATCM, "atcm0"}, /* TCM 64KB each */ + {0xffe20000UL, 0x20000, 0x10000UL, PD_R5_0_BTCM, "btcm0"}, + {0xffe10000UL, 0x10000, 0x10000UL, PD_R5_1_ATCM, "atcm1"}, + {0xffe30000UL, 0x30000, 0x10000UL, PD_R5_1_BTCM, "btcm1"}, }; /** @@ -540,14 +540,14 @@ static int tcm_mem_map(struct rproc *rproc, } /* - * add_tcm_carveout_split_mode() + * add_tcm_banks() * @rproc: single R5 core's corresponding rproc instance * - * allocate and add remoteproc carveout for TCM memory in split mode + * allocate and add remoteproc carveout for TCM memory * * return 0 on success, otherwise non-zero value on failure */ -static int add_tcm_carveout_split_mode(struct rproc *rproc) +static int add_tcm_banks(struct rproc *rproc) { struct rproc_mem_entry *rproc_mem; struct zynqmp_r5_core *r5_core; @@ -580,10 +580,10 @@ static int add_tcm_carveout_split_mode(struct rproc *rproc) ZYNQMP_PM_REQUEST_ACK_BLOCKING); if (ret < 0) { dev_err(dev, "failed to turn on TCM 0x%x", pm_domain_id); - goto release_tcm_split; + goto release_tcm; } - dev_dbg(dev, "TCM carveout split mode %s addr=%llx, da=0x%x, size=0x%lx", + dev_dbg(dev, "TCM carveout %s addr=%llx, da=0x%x, size=0x%lx", bank_name, bank_addr, da, bank_size); rproc_mem = rproc_mem_entry_init(dev, NULL, bank_addr, @@ -593,7 +593,7 @@ static int add_tcm_carveout_split_mode(struct rproc *rproc) if (!rproc_mem) { ret = -ENOMEM; zynqmp_pm_release_node(pm_domain_id); - goto release_tcm_split; + goto release_tcm; } rproc_add_carveout(rproc, rproc_mem); @@ -601,7 +601,7 @@ static int add_tcm_carveout_split_mode(struct rproc *rproc) return 0; -release_tcm_split: +release_tcm: /* If failed, Turn off all TCM banks turned on before */ for (i--; i >= 0; i--) { pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id; @@ -610,127 +610,6 @@ static int add_tcm_carveout_split_mode(struct rproc *rproc) return ret; } -/* - * add_tcm_carveout_lockstep_mode() - * @rproc: single R5 core's corresponding rproc instance - * - * allocate and add remoteproc carveout for TCM memory in lockstep mode - * - * return 0 on success, otherwise non-zero value on failure - */ -static int add_tcm_carveout_lockstep_mode(struct rproc *rproc) -{ - struct rproc_mem_entry *rproc_mem; - struct zynqmp_r5_core *r5_core; - int i, num_banks, ret; - phys_addr_t bank_addr; - size_t bank_size = 0; - struct device *dev; - u32 pm_domain_id; - char *bank_name; - u32 da; - - r5_core = rproc->priv; - dev = r5_core->dev; - - /* Go through zynqmp banks for r5 node */ - num_banks = r5_core->tcm_bank_count; - - /* - * In lockstep mode, TCM is contiguous memory block - * However, each TCM block still needs to be enabled individually. - * So, Enable each TCM block individually. - * Although ATCM and BTCM is contiguous memory block, add two separate - * carveouts for both. - */ - for (i = 0; i < num_banks; i++) { - pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id; - - /* Turn on each TCM bank individually */ - ret = zynqmp_pm_request_node(pm_domain_id, - ZYNQMP_PM_CAPABILITY_ACCESS, 0, - ZYNQMP_PM_REQUEST_ACK_BLOCKING); - if (ret < 0) { - dev_err(dev, "failed to turn on TCM 0x%x", pm_domain_id); - goto release_tcm_lockstep; - } - - bank_size = r5_core->tcm_banks[i]->size; - if (bank_size == 0) - continue; - - bank_addr = r5_core->tcm_banks[i]->addr; - da = r5_core->tcm_banks[i]->da; - bank_name = r5_core->tcm_banks[i]->bank_name; - - /* Register TCM address range, TCM map and unmap functions */ - rproc_mem = rproc_mem_entry_init(dev, NULL, bank_addr, - bank_size, da, - tcm_mem_map, tcm_mem_unmap, - bank_name); - if (!rproc_mem) { - ret = -ENOMEM; - zynqmp_pm_release_node(pm_domain_id); - goto release_tcm_lockstep; - } - - /* If registration is success, add carveouts */ - rproc_add_carveout(rproc, rproc_mem); - - dev_dbg(dev, "TCM carveout lockstep mode %s addr=0x%llx, da=0x%x, size=0x%lx", - bank_name, bank_addr, da, bank_size); - } - - return 0; - -release_tcm_lockstep: - /* If failed, Turn off all TCM banks turned on before */ - for (i--; i >= 0; i--) { - pm_domain_id = r5_core->tcm_banks[i]->pm_domain_id; - zynqmp_pm_release_node(pm_domain_id); - } - return ret; -} - -/* - * add_tcm_banks() - * @rproc: single R5 core's corresponding rproc instance - * - * allocate and add remoteproc carveouts for TCM memory based on cluster mode - * - * return 0 on success, otherwise non-zero value on failure - */ -static int add_tcm_banks(struct rproc *rproc) -{ - struct zynqmp_r5_cluster *cluster; - struct zynqmp_r5_core *r5_core; - struct device *dev; - - r5_core = rproc->priv; - if (!r5_core) - return -EINVAL; - - dev = r5_core->dev; - - cluster = dev_get_drvdata(dev->parent); - if (!cluster) { - dev_err(dev->parent, "Invalid driver data\n"); - return -EINVAL; - } - - /* - * In lockstep mode TCM banks are one contiguous memory region of 256Kb - * In split mode, each TCM bank is 64Kb and not contiguous. - * We add memory carveouts accordingly. - */ - if (cluster->mode == SPLIT_MODE) - return add_tcm_carveout_split_mode(rproc); - else if (cluster->mode == LOCKSTEP_MODE) - return add_tcm_carveout_lockstep_mode(rproc); - - return -EINVAL; -} - /* * zynqmp_r5_parse_fw() * @rproc: single R5 core's corresponding rproc instance From patchwork Mon Feb 19 17:44:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tanmay Shah X-Patchwork-Id: 203192 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2685:b0:108:e6aa:91d0 with SMTP id mn5csp1438266dyc; Mon, 19 Feb 2024 09:47:35 -0800 (PST) X-Forwarded-Encrypted: i=3; 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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by CY4PEPF0000EE31.mail.protection.outlook.com (10.167.242.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7292.25 via Frontend Transport; Mon, 19 Feb 2024 17:46:21 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 19 Feb 2024 11:46:20 -0600 Received: from xsjtanmays50.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Mon, 19 Feb 2024 11:46:19 -0600 From: Tanmay Shah To: , , , , , , , CC: , , , , Radhey Shyam Pandey Subject: [PATCH v11 2/4] dt-bindings: remoteproc: add Tightly Coupled Memory (TCM) bindings Date: Mon, 19 Feb 2024 09:44:30 -0800 Message-ID: <20240219174437.3722620-3-tanmay.shah@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240219174437.3722620-1-tanmay.shah@amd.com> References: <20240219174437.3722620-1-tanmay.shah@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE31:EE_|BL0PR12MB4868:EE_ X-MS-Office365-Filtering-Correlation-Id: 3c3839ec-a34a-4e93-497a-08dc3172af50 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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It will help in defining TCM in device-tree and make it's access platform agnostic and data-driven. Tightly-coupled memories(TCMs) are low-latency memory that provides predictable instruction execution and predictable data load/store timing. Each Cortex-R5F processor contains two 64-bit wide 64 KB memory banks on the ATCM and BTCM ports, for a total of 128 KB of memory. The TCM resources(reg, reg-names and power-domain) are documented for each TCM in the R5 node. The reg and reg-names are made as required properties as we don't want to hardcode TCM addresses for future platforms and for zu+ legacy implementation will ensure that the old dts w/o reg/reg-names works and stable ABI is maintained. It also extends the examples for TCM split and lockstep modes. Signed-off-by: Radhey Shyam Pandey Signed-off-by: Tanmay Shah --- Changes in v11: - Fix yamllint warning and reduce indentation as needed .../remoteproc/xlnx,zynqmp-r5fss.yaml | 192 ++++++++++++++++-- 1 file changed, 170 insertions(+), 22 deletions(-) diff --git a/Documentation/devicetree/bindings/remoteproc/xlnx,zynqmp-r5fss.yaml b/Documentation/devicetree/bindings/remoteproc/xlnx,zynqmp-r5fss.yaml index 78aac69f1060..77030edf41fa 100644 --- a/Documentation/devicetree/bindings/remoteproc/xlnx,zynqmp-r5fss.yaml +++ b/Documentation/devicetree/bindings/remoteproc/xlnx,zynqmp-r5fss.yaml @@ -20,9 +20,21 @@ properties: compatible: const: xlnx,zynqmp-r5fss + "#address-cells": + const: 2 + + "#size-cells": + const: 2 + + ranges: + description: | + Standard ranges definition providing address translations for + local R5F TCM address spaces to bus addresses. + xlnx,cluster-mode: $ref: /schemas/types.yaml#/definitions/uint32 enum: [0, 1, 2] + default: 1 description: | The RPU MPCore can operate in split mode (Dual-processor performance), Safety lock-step mode(Both RPU cores execute the same code in lock-step, @@ -37,7 +49,7 @@ properties: 2: single cpu mode patternProperties: - "^r5f-[a-f0-9]+$": + "^r5f@[0-9a-f]+$": type: object description: | The RPU is located in the Low Power Domain of the Processor Subsystem. @@ -54,9 +66,6 @@ patternProperties: compatible: const: xlnx,zynqmp-r5f - power-domains: - maxItems: 1 - mboxes: minItems: 1 items: @@ -101,35 +110,174 @@ patternProperties: required: - compatible - - power-domains - unevaluatedProperties: false +allOf: + - if: + properties: + xlnx,cluster-mode: + enum: + - 1 + then: + patternProperties: + "^r5f@[0-9a-f]+$": + type: object + + properties: + reg: + minItems: 1 + items: + - description: ATCM internal memory + - description: BTCM internal memory + - description: extra ATCM memory in lockstep mode + - description: extra BTCM memory in lockstep mode + + reg-names: + minItems: 1 + items: + - const: atcm0 + - const: btcm0 + - const: atcm1 + - const: btcm1 + + power-domains: + minItems: 2 + maxItems: 5 + + required: + - reg + - reg-names + - power-domains + + else: + patternProperties: + "^r5f@[0-9a-f]+$": + type: object + + properties: + reg: + minItems: 1 + items: + - description: ATCM internal memory + - description: BTCM internal memory + + reg-names: + minItems: 1 + items: + - const: atcm0 + - const: btcm0 + + power-domains: + minItems: 2 + maxItems: 3 + + required: + - reg + - reg-names + - power-domains required: - compatible + - "#address-cells" + - "#size-cells" + - ranges additionalProperties: false examples: - | - remoteproc { - compatible = "xlnx,zynqmp-r5fss"; - xlnx,cluster-mode = <1>; - - r5f-0 { - compatible = "xlnx,zynqmp-r5f"; - power-domains = <&zynqmp_firmware 0x7>; - memory-region = <&rproc_0_fw_image>, <&rpu0vdev0buffer>, <&rpu0vdev0vring0>, <&rpu0vdev0vring1>; - mboxes = <&ipi_mailbox_rpu0 0>, <&ipi_mailbox_rpu0 1>; - mbox-names = "tx", "rx"; + #include + + // Split mode configuration + soc { + #address-cells = <2>; + #size-cells = <2>; + + remoteproc@ffe00000 { + compatible = "xlnx,zynqmp-r5fss"; + xlnx,cluster-mode = <0>; + + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xffe00000 0x0 0x10000>, + <0x0 0x20000 0x0 0xffe20000 0x0 0x10000>, + <0x1 0x0 0x0 0xffe90000 0x0 0x10000>, + <0x1 0x20000 0x0 0xffeb0000 0x0 0x10000>; + + r5f@0 { + compatible = "xlnx,zynqmp-r5f"; + reg = <0x0 0x0 0x0 0x10000>, <0x0 0x20000 0x0 0x10000>; + reg-names = "atcm0", "btcm0"; + power-domains = <&zynqmp_firmware PD_RPU_0>, + <&zynqmp_firmware PD_R5_0_ATCM>, + <&zynqmp_firmware PD_R5_0_BTCM>; + memory-region = <&rproc_0_fw_image>, <&rpu0vdev0buffer>, + <&rpu0vdev0vring0>, <&rpu0vdev0vring1>; + mboxes = <&ipi_mailbox_rpu0 0>, <&ipi_mailbox_rpu0 1>; + mbox-names = "tx", "rx"; + }; + + r5f@1 { + compatible = "xlnx,zynqmp-r5f"; + reg = <0x1 0x0 0x0 0x10000>, <0x1 0x20000 0x0 0x10000>; + reg-names = "atcm0", "btcm0"; + power-domains = <&zynqmp_firmware PD_RPU_1>, + <&zynqmp_firmware PD_R5_1_ATCM>, + <&zynqmp_firmware PD_R5_1_BTCM>; + memory-region = <&rproc_1_fw_image>, <&rpu1vdev0buffer>, + <&rpu1vdev0vring0>, <&rpu1vdev0vring1>; + mboxes = <&ipi_mailbox_rpu1 0>, <&ipi_mailbox_rpu1 1>; + mbox-names = "tx", "rx"; + }; }; + }; + + - | + //Lockstep configuration + soc { + #address-cells = <2>; + #size-cells = <2>; + + remoteproc@ffe00000 { + compatible = "xlnx,zynqmp-r5fss"; + xlnx,cluster-mode = <1>; + + #address-cells = <2>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0xffe00000 0x0 0x10000>, + <0x0 0x20000 0x0 0xffe20000 0x0 0x10000>, + <0x0 0x10000 0x0 0xffe10000 0x0 0x10000>, + <0x0 0x30000 0x0 0xffe30000 0x0 0x10000>; + + r5f@0 { + compatible = "xlnx,zynqmp-r5f"; + reg = <0x0 0x0 0x0 0x10000>, + <0x0 0x20000 0x0 0x10000>, + <0x0 0x10000 0x0 0x10000>, + <0x0 0x30000 0x0 0x10000>; + reg-names = "atcm0", "btcm0", "atcm1", "btcm1"; + power-domains = <&zynqmp_firmware PD_RPU_0>, + <&zynqmp_firmware PD_R5_0_ATCM>, + <&zynqmp_firmware PD_R5_0_BTCM>, + <&zynqmp_firmware PD_R5_1_ATCM>, + <&zynqmp_firmware PD_R5_1_BTCM>; + memory-region = <&rproc_0_fw_image>, <&rpu0vdev0buffer>, + <&rpu0vdev0vring0>, <&rpu0vdev0vring1>; + mboxes = <&ipi_mailbox_rpu0 0>, <&ipi_mailbox_rpu0 1>; + mbox-names = "tx", "rx"; + }; - r5f-1 { - compatible = "xlnx,zynqmp-r5f"; - power-domains = <&zynqmp_firmware 0x8>; - memory-region = <&rproc_1_fw_image>, <&rpu1vdev0buffer>, <&rpu1vdev0vring0>, <&rpu1vdev0vring1>; - mboxes = <&ipi_mailbox_rpu1 0>, <&ipi_mailbox_rpu1 1>; - mbox-names = "tx", "rx"; + r5f@1 { + compatible = "xlnx,zynqmp-r5f"; + reg = <0x1 0x0 0x0 0x10000>, <0x1 0x20000 0x0 0x10000>; + reg-names = "atcm0", "btcm0"; + power-domains = <&zynqmp_firmware PD_RPU_1>, + <&zynqmp_firmware PD_R5_1_ATCM>, + <&zynqmp_firmware PD_R5_1_BTCM>; + memory-region = <&rproc_1_fw_image>, <&rpu1vdev0buffer>, + <&rpu1vdev0vring0>, <&rpu1vdev0vring1>; + mboxes = <&ipi_mailbox_rpu1 0>, <&ipi_mailbox_rpu1 1>; + mbox-names = "tx", "rx"; + }; }; }; ... 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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1PEPF000044F8.mail.protection.outlook.com (10.167.241.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7339.0 via Frontend Transport; Mon, 19 Feb 2024 17:46:22 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 19 Feb 2024 11:46:21 -0600 Received: from xsjtanmays50.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Mon, 19 Feb 2024 11:46:21 -0600 From: Tanmay Shah To: , , , , , , , CC: , , , Subject: [PATCH v11 3/4] dts: zynqmp: add properties for TCM in remoteproc Date: Mon, 19 Feb 2024 09:44:31 -0800 Message-ID: <20240219174437.3722620-4-tanmay.shah@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240219174437.3722620-1-tanmay.shah@amd.com> References: <20240219174437.3722620-1-tanmay.shah@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F8:EE_|IA0PR12MB8256:EE_ X-MS-Office365-Filtering-Correlation-Id: 41d6c83d-97e7-46a6-2f8c-08dc3172b00d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This patch also adds alternative remoteproc node to represent remoteproc cluster in split mode. By default lockstep mode is enabled and users should disable it before using split mode dts. Both device-tree nodes can't be used simultaneously one of them must be disabled. For zcu102-1.0 and zcu102-1.1 board remoteproc split mode dts node is enabled and lockstep mode dts is disabled. Signed-off-by: Tanmay Shah --- .../boot/dts/xilinx/zynqmp-zcu102-rev1.0.dts | 8 +++ arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 65 +++++++++++++++++-- 2 files changed, 68 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-rev1.0.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-rev1.0.dts index c8f71a1aec89..495ca94b45db 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-rev1.0.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-rev1.0.dts @@ -14,6 +14,14 @@ / { compatible = "xlnx,zynqmp-zcu102-rev1.0", "xlnx,zynqmp-zcu102", "xlnx,zynqmp"; }; +&rproc_split { + status = "okay"; +}; + +&rproc_lockstep { + status = "disabled"; +}; + &eeprom { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index eaba466804bc..c8a7fd0f3a1e 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -248,19 +248,74 @@ fpga_full: fpga-full { ranges; }; - remoteproc { + rproc_lockstep: remoteproc@ffe00000 { compatible = "xlnx,zynqmp-r5fss"; xlnx,cluster-mode = <1>; - r5f-0 { + #address-cells = <2>; + #size-cells = <2>; + + ranges = <0x0 0x0 0x0 0xffe00000 0x0 0x10000>, + <0x0 0x20000 0x0 0xffe20000 0x0 0x10000>, + <0x0 0x10000 0x0 0xffe10000 0x0 0x10000>, + <0x0 0x30000 0x0 0xffe30000 0x0 0x10000>; + + r5f@0 { + compatible = "xlnx,zynqmp-r5f"; + reg = <0x0 0x0 0x0 0x10000>, + <0x0 0x20000 0x0 0x10000>, + <0x0 0x10000 0x0 0x10000>, + <0x0 0x30000 0x0 0x10000>; + reg-names = "atcm0", "btcm0", "atcm1", "btcm1"; + power-domains = <&zynqmp_firmware PD_RPU_0>, + <&zynqmp_firmware PD_R5_0_ATCM>, + <&zynqmp_firmware PD_R5_0_BTCM>, + <&zynqmp_firmware PD_R5_1_ATCM>, + <&zynqmp_firmware PD_R5_1_BTCM>; + memory-region = <&rproc_0_fw_image>; + }; + + r5f@1 { + compatible = "xlnx,zynqmp-r5f"; + reg = <0x1 0x0 0x0 0x10000>, <0x1 0x20000 0x0 0x10000>; + reg-names = "atcm0", "btcm0"; + power-domains = <&zynqmp_firmware PD_RPU_1>, + <&zynqmp_firmware PD_R5_1_ATCM>, + <&zynqmp_firmware PD_R5_1_BTCM>; + memory-region = <&rproc_1_fw_image>; + }; + }; + + rproc_split: remoteproc-split@ffe00000 { + status = "disabled"; + compatible = "xlnx,zynqmp-r5fss"; + xlnx,cluster-mode = <0>; + + #address-cells = <2>; + #size-cells = <2>; + + ranges = <0x0 0x0 0x0 0xffe00000 0x0 0x10000>, + <0x0 0x20000 0x0 0xffe20000 0x0 0x10000>, + <0x1 0x0 0x0 0xffe90000 0x0 0x10000>, + <0x1 0x20000 0x0 0xffeb0000 0x0 0x10000>; + + r5f@0 { compatible = "xlnx,zynqmp-r5f"; - power-domains = <&zynqmp_firmware PD_RPU_0>; + reg = <0x0 0x0 0x0 0x10000>, <0x0 0x20000 0x0 0x10000>; + reg-names = "atcm0", "btcm0"; + power-domains = <&zynqmp_firmware PD_RPU_0>, + <&zynqmp_firmware PD_R5_0_ATCM>, + <&zynqmp_firmware PD_R5_0_BTCM>; memory-region = <&rproc_0_fw_image>; }; - r5f-1 { + r5f@1 { compatible = "xlnx,zynqmp-r5f"; - power-domains = <&zynqmp_firmware PD_RPU_1>; + reg = <0x1 0x0 0x0 0x10000>, <0x1 0x20000 0x0 0x10000>; + reg-names = "atcm0", "btcm0"; + power-domains = <&zynqmp_firmware PD_RPU_1>, + <&zynqmp_firmware PD_R5_1_ATCM>, + <&zynqmp_firmware PD_R5_1_BTCM>; memory-region = <&rproc_1_fw_image>; }; }; From patchwork Mon Feb 19 17:44:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tanmay Shah X-Patchwork-Id: 203194 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:693c:2685:b0:108:e6aa:91d0 with SMTP id mn5csp1438424dyc; Mon, 19 Feb 2024 09:47:57 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCU0Uk15f9sRDFVqIQmTUbnAsrgNcjIDFu51YK/ZxbBrCZTbdPyIw8j6VdasOROgknvQC9/q7Akqn0XbXTj42jpMh2iEwA== X-Google-Smtp-Source: AGHT+IGqPpLbkakxBFAW9KXl/m6ESERMBE+XeFYexki4/vWY7+aF8XoqGTpqJUTiWB8N+CRvw2Xw X-Received: by 2002:a17:902:778c:b0:1da:2bd6:a450 with SMTP id o12-20020a170902778c00b001da2bd6a450mr11303570pll.32.1708364877697; Mon, 19 Feb 2024 09:47:57 -0800 (PST) Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. 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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CO1PEPF000044F8.mail.protection.outlook.com (10.167.241.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7339.0 via Frontend Transport; Mon, 19 Feb 2024 17:46:24 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 19 Feb 2024 11:46:23 -0600 Received: from xsjtanmays50.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Mon, 19 Feb 2024 11:46:22 -0600 From: Tanmay Shah To: , , , , , , , CC: , , , Subject: [PATCH v11 4/4] remoteproc: zynqmp: parse TCM from device tree Date: Mon, 19 Feb 2024 09:44:32 -0800 Message-ID: <20240219174437.3722620-5-tanmay.shah@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240219174437.3722620-1-tanmay.shah@amd.com> References: <20240219174437.3722620-1-tanmay.shah@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F8:EE_|SN7PR12MB6930:EE_ X-MS-Office365-Filtering-Correlation-Id: f314ca01-98ab-4d4d-7504-08dc3172b0d5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Now ZynqMP TCM information is available in device-tree. Parse TCM information in driver as per new bindings. Signed-off-by: Tanmay Shah --- Changes in v11: - Remove redundant initialization of the variable - return correct error code if memory allocation failed drivers/remoteproc/xlnx_r5_remoteproc.c | 112 ++++++++++++++++++++++-- 1 file changed, 107 insertions(+), 5 deletions(-) diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c index 42b0384d34f2..d4a22caebaad 100644 --- a/drivers/remoteproc/xlnx_r5_remoteproc.c +++ b/drivers/remoteproc/xlnx_r5_remoteproc.c @@ -74,8 +74,8 @@ struct mbox_info { }; /* - * Hardcoded TCM bank values. This will be removed once TCM bindings are - * accepted for system-dt specifications and upstreamed in linux kernel + * Hardcoded TCM bank values. This will stay in driver to maintain backward + * compatibility with device-tree that does not have TCM information. */ static const struct mem_bank_data zynqmp_tcm_banks_split[] = { {0xffe00000UL, 0x0, 0x10000UL, PD_R5_0_ATCM, "atcm0"}, /* TCM 64KB each */ @@ -757,6 +757,103 @@ static struct zynqmp_r5_core *zynqmp_r5_add_rproc_core(struct device *cdev) return ERR_PTR(ret); } +static int zynqmp_r5_get_tcm_node_from_dt(struct zynqmp_r5_cluster *cluster) +{ + int i, j, tcm_bank_count, ret, tcm_pd_idx, pd_count; + struct of_phandle_args out_args; + struct zynqmp_r5_core *r5_core; + struct platform_device *cpdev; + struct mem_bank_data *tcm; + struct device_node *np; + struct resource *res; + u64 abs_addr, size; + struct device *dev; + + for (i = 0; i < cluster->core_count; i++) { + r5_core = cluster->r5_cores[i]; + dev = r5_core->dev; + np = r5_core->np; + + pd_count = of_count_phandle_with_args(np, "power-domains", + "#power-domain-cells"); + + if (pd_count <= 0) { + dev_err(dev, "invalid power-domains property, %d\n", pd_count); + return -EINVAL; + } + + /* First entry in power-domains list is for r5 core, rest for TCM. */ + tcm_bank_count = pd_count - 1; + + if (tcm_bank_count <= 0) { + dev_err(dev, "invalid TCM count %d\n", tcm_bank_count); + return -EINVAL; + } + + r5_core->tcm_banks = devm_kcalloc(dev, tcm_bank_count, + sizeof(struct mem_bank_data *), + GFP_KERNEL); + if (!r5_core->tcm_banks) + return -ENOMEM; + + r5_core->tcm_bank_count = tcm_bank_count; + for (j = 0, tcm_pd_idx = 1; j < tcm_bank_count; j++, tcm_pd_idx++) { + tcm = devm_kzalloc(dev, sizeof(struct mem_bank_data), + GFP_KERNEL); + if (!tcm) + return -ENOMEM; + + r5_core->tcm_banks[j] = tcm; + + /* Get power-domains id of TCM. */ + ret = of_parse_phandle_with_args(np, "power-domains", + "#power-domain-cells", + tcm_pd_idx, &out_args); + if (ret) { + dev_err(r5_core->dev, + "failed to get tcm %d pm domain, ret %d\n", + tcm_pd_idx, ret); + return ret; + } + tcm->pm_domain_id = out_args.args[0]; + of_node_put(out_args.np); + + /* Get TCM address without translation. */ + ret = of_property_read_reg(np, j, &abs_addr, &size); + if (ret) { + dev_err(dev, "failed to get reg property\n"); + return ret; + } + + /* + * Remote processor can address only 32 bits + * so convert 64-bits into 32-bits. This will discard + * any unwanted upper 32-bits. + */ + tcm->da = (u32)abs_addr; + tcm->size = (u32)size; + + cpdev = to_platform_device(dev); + res = platform_get_resource(cpdev, IORESOURCE_MEM, j); + if (!res) { + dev_err(dev, "failed to get tcm resource\n"); + return -EINVAL; + } + + tcm->addr = (u32)res->start; + tcm->bank_name = (char *)res->name; + res = devm_request_mem_region(dev, tcm->addr, tcm->size, + tcm->bank_name); + if (!res) { + dev_err(dev, "failed to request tcm resource\n"); + return -EINVAL; + } + } + } + + return 0; +} + /** * zynqmp_r5_get_tcm_node() * Ideally this function should parse tcm node and store information @@ -835,9 +932,14 @@ static int zynqmp_r5_core_init(struct zynqmp_r5_cluster *cluster, struct zynqmp_r5_core *r5_core; int ret, i; - ret = zynqmp_r5_get_tcm_node(cluster); - if (ret < 0) { - dev_err(dev, "can't get tcm node, err %d\n", ret); + r5_core = cluster->r5_cores[0]; + if (of_find_property(r5_core->np, "reg", NULL)) + ret = zynqmp_r5_get_tcm_node_from_dt(cluster); + else + ret = zynqmp_r5_get_tcm_node(cluster); + + if (ret) { + dev_err(dev, "can't get tcm, err %d\n", ret); return ret; }