1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Setup code for SAMA5 4 * 5 * Copyright (C) 2013 Atmel, 6 * 2013 Ludovic Desroches <ludovic.desroches@atmel.com> 7 */ 8 9 #include <asm/hardware/cache-l2x0.h> 10 #include <asm/mach/arch.h> 11 #include <asm/mach/map.h> 12 #include <asm/outercache.h> 13 #include <asm/system_misc.h> 14 15 #include "generic.h" 16 #include "sam_secure.h" 17 18 static void sama5_l2c310_write_sec(unsigned long val, unsigned reg) 19 { 20 /* OP-TEE configures the L2 cache and does not allow modifying it yet */ 21 } 22 23 static void __init sama5_secure_cache_init(void) 24 { 25 sam_secure_init(); 26 if (IS_ENABLED(CONFIG_OUTER_CACHE) && sam_linux_is_optee_available()) 27 outer_cache.write_sec = sama5_l2c310_write_sec; 28 } 29 30 static const char *const sama5_dt_board_compat[] __initconst = { 31 "atmel,sama5", 32 NULL 33 }; 34 35 DT_MACHINE_START(sama5_dt, "Atmel SAMA5") 36 /* Maintainer: Atmel */ 37 .init_late = sama5_pm_init, 38 .dt_compat = sama5_dt_board_compat, 39 MACHINE_END 40 41 static const char *const sama5_alt_dt_board_compat[] __initconst = { 42 "atmel,sama5d4", 43 NULL 44 }; 45 46 DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5") 47 /* Maintainer: Atmel */ 48 .init_late = sama5_pm_init, 49 .dt_compat = sama5_alt_dt_board_compat, 50 .l2c_aux_mask = ~0UL, 51 MACHINE_END 52 53 static const char *const sama5d2_compat[] __initconst = { 54 "atmel,sama5d2", 55 NULL 56 }; 57 58 DT_MACHINE_START(sama5d2, "Atmel SAMA5") 59 /* Maintainer: Atmel */ 60 .init_early = sama5_secure_cache_init, 61 .init_late = sama5d2_pm_init, 62 .dt_compat = sama5d2_compat, 63 .l2c_aux_mask = ~0UL, 64 MACHINE_END 65