arm/mach-stm32mp/cpu.c

1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
3  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
48  * - boot instance = bit 31:16
49  * - boot device = bit 15:0
57 /* BSEC OTP index */
82 	/* allow non secure access in Write/Read for all peripheral */  in security_init()
85 	/* Open SYSRAM for no secure access */  in security_init()
98 	/* bit 30 / 31 => Secure Global Enable : write/read */  in security_init()
125 	/* Freeze IWDG2 if Cortex-A7 is in debug mode */  in dbgmcu_init()
178 		gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;  in arch_cpu_init()
190 	/* Enable D-cache. I-cache is already enabled in start.S */  in enable_caches()
249 	int instance = (boot_mode & TAMP_BOOT_INSTANCE_MASK) - 1;  in setup_boot_mode()
286  * (silently) from the value in the OTP.
293 	u32 otp[2];  in setup_mac_address()  local
308 			otp, sizeof(otp));  in setup_mac_address()
313 		enetaddr[i] = ((uint8_t *)&otp)[i];  in setup_mac_address()
316 		pr_err("invalid MAC address in OTP %pM", enetaddr);  in setup_mac_address()
317 		return -EINVAL;  in setup_mac_address()
319 	pr_debug("OTP MAC address = %pM\n", enetaddr);  in setup_mac_address()
322 		pr_err("Failed to set mac address %pM from OTP: %d\n",  in setup_mac_address()
332 	u32 otp[3] = {0, 0, 0 };  in setup_serial_number()  local
346 			otp, sizeof(otp));  in setup_serial_number()
350 	sprintf(serial_string, "%08x%08x%08x", otp[0], otp[1], otp[2]);  in setup_serial_number()