Lines Matching +full:stm32 +full:- +full:etzpc

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2023, STMicroelectronics - All Rights Reserved
22  * ETZPC registers
36  * ETZPC miscellaneous
48 	if (firewall_id >= ctrl->max_entries) {  in stm32_etzpc_grant_access()
49 		dev_err(ctrl->dev, "Invalid sys bus ID %u", firewall_id);  in stm32_etzpc_grant_access()
50 		return -EINVAL;  in stm32_etzpc_grant_access()
57 	/* Verify peripheral is non-secure and attributed to cortex A7 */  in stm32_etzpc_grant_access()
58 	sec_val = (readl(ctrl->mmio + reg_offset) >> offset) & ETZPC_PROT_MASK;  in stm32_etzpc_grant_access()
60 		dev_dbg(ctrl->dev, "Invalid bus configuration: reg_offset %#x, value %d\n",  in stm32_etzpc_grant_access()
62 		return -EACCES;  in stm32_etzpc_grant_access()
76 	struct device_node *np = pdev->dev.of_node;  in stm32_etzpc_probe()
82 	etzpc_controller = devm_kzalloc(&pdev->dev, sizeof(*etzpc_controller), GFP_KERNEL);  in stm32_etzpc_probe()
84 		return -ENOMEM;  in stm32_etzpc_probe()
90 	etzpc_controller->dev = &pdev->dev;  in stm32_etzpc_probe()
91 	etzpc_controller->mmio = mmio;  in stm32_etzpc_probe()
92 	etzpc_controller->name = dev_driver_string(etzpc_controller->dev);  in stm32_etzpc_probe()
93 	etzpc_controller->type = STM32_PERIPHERAL_FIREWALL | STM32_MEMORY_FIREWALL;  in stm32_etzpc_probe()
94 	etzpc_controller->grant_access = stm32_etzpc_grant_access;  in stm32_etzpc_probe()
95 	etzpc_controller->release_access = stm32_etzpc_release_access;  in stm32_etzpc_probe()
97 	/* Get number of etzpc entries*/  in stm32_etzpc_probe()
99 			   readl(etzpc_controller->mmio + ETZPC_HWCFGR));  in stm32_etzpc_probe()
101 			      readl(etzpc_controller->mmio + ETZPC_HWCFGR));  in stm32_etzpc_probe()
102 	etzpc_controller->max_entries = nb_per + nb_master;  in stm32_etzpc_probe()
108 		dev_err(etzpc_controller->dev, "Couldn't register as a firewall controller: %d",  in stm32_etzpc_probe()
115 		dev_err(etzpc_controller->dev, "Couldn't populate ETZPC bus: %d",  in stm32_etzpc_probe()
121 	return of_platform_populate(np, NULL, NULL, &pdev->dev);  in stm32_etzpc_probe()
125 	{ .compatible = "st,stm32-etzpc" },
133 		.name = "stm32-etzpc",
140 MODULE_DESCRIPTION("STMicroelectronics ETZPC driver");