projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| a636cd6c | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 8f4b4794 | 2 | /* |
| cac01723 | 3 | * Setup code for SAMA5 |
| 8f4b4794 LD |
4 | * |
| 5 | * Copyright (C) 2013 Atmel, | |
| 6 | * 2013 Ludovic Desroches <ludovic.desroches@atmel.com> | |
| 8f4b4794 LD |
7 | */ |
| 8 | ||
| 8f4b4794 | 9 | #include <linux/of.h> |
| 8f4b4794 | 10 | #include <linux/of_platform.h> |
| 8f4b4794 | 11 | |
| 3b5a7ca7 | 12 | #include <asm/hardware/cache-l2x0.h> |
| 8f4b4794 LD |
13 | #include <asm/mach/arch.h> |
| 14 | #include <asm/mach/map.h> | |
| 3b5a7ca7 | 15 | #include <asm/outercache.h> |
| e7336083 AB |
16 | #include <asm/system_misc.h> |
| 17 | ||
| 8f4b4794 | 18 | #include "generic.h" |
| 0c9fd821 | 19 | #include "sam_secure.h" |
| 8f4b4794 | 20 | |
| 3b5a7ca7 CL |
21 | static void sama5_l2c310_write_sec(unsigned long val, unsigned reg) |
| 22 | { | |
| 23 | /* OP-TEE configures the L2 cache and does not allow modifying it yet */ | |
| 24 | } | |
| 25 | ||
| 26 | static void __init sama5_secure_cache_init(void) | |
| 27 | { | |
| 28 | sam_secure_init(); | |
| 6a3fc8c3 | 29 | if (IS_ENABLED(CONFIG_OUTER_CACHE) && sam_linux_is_optee_available()) |
| 3b5a7ca7 CL |
30 | outer_cache.write_sec = sama5_l2c310_write_sec; |
| 31 | } | |
| 32 | ||
| 8f4b4794 LD |
33 | static void __init sama5_dt_device_init(void) |
| 34 | { | |
| b32de9dd | 35 | of_platform_default_populate(NULL, NULL, NULL); |
| fbc7edca | 36 | sama5_pm_init(); |
| 8f4b4794 LD |
37 | } |
| 38 | ||
| 19c233b7 | 39 | static const char *const sama5_dt_board_compat[] __initconst = { |
| 8f4b4794 LD |
40 | "atmel,sama5", |
| 41 | NULL | |
| 42 | }; | |
| 43 | ||
| ad3fc3e3 | 44 | DT_MACHINE_START(sama5_dt, "Atmel SAMA5") |
| 8f4b4794 | 45 | /* Maintainer: Atmel */ |
| 8f4b4794 LD |
46 | .init_machine = sama5_dt_device_init, |
| 47 | .dt_compat = sama5_dt_board_compat, | |
| 48 | MACHINE_END | |
| 726d32bf | 49 | |
| 19c233b7 | 50 | static const char *const sama5_alt_dt_board_compat[] __initconst = { |
| 726d32bf NF |
51 | "atmel,sama5d4", |
| 52 | NULL | |
| 53 | }; | |
| 54 | ||
| ad3fc3e3 | 55 | DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5") |
| 726d32bf | 56 | /* Maintainer: Atmel */ |
| 726d32bf NF |
57 | .init_machine = sama5_dt_device_init, |
| 58 | .dt_compat = sama5_alt_dt_board_compat, | |
| 59 | .l2c_aux_mask = ~0UL, | |
| 60 | MACHINE_END | |
| 24a0f5c5 AB |
61 | |
| 62 | static void __init sama5d2_init(void) | |
| 63 | { | |
| 64 | of_platform_default_populate(NULL, NULL, NULL); | |
| 65 | sama5d2_pm_init(); | |
| 66 | } | |
| 67 | ||
| 68 | static const char *const sama5d2_compat[] __initconst = { | |
| 69 | "atmel,sama5d2", | |
| 70 | NULL | |
| 71 | }; | |
| 72 | ||
| 73 | DT_MACHINE_START(sama5d2, "Atmel SAMA5") | |
| 74 | /* Maintainer: Atmel */ | |
| 75 | .init_machine = sama5d2_init, | |
| 3b5a7ca7 | 76 | .init_early = sama5_secure_cache_init, |
| 24a0f5c5 AB |
77 | .dt_compat = sama5d2_compat, |
| 78 | .l2c_aux_mask = ~0UL, | |
| 79 | MACHINE_END |