| /* |
| * Copyright (C) 2012-2013 Broadcom Corporation |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation version 2. |
| * |
| * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| * kind, whether express or implied; without even the implied warranty |
| * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/of_platform.h> |
| #include <linux/init.h> |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| #include <linux/clocksource.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/time.h> |
| #include <asm/hardware/cache-l2x0.h> |
| |
| #include "bcm_kona_smc.h" |
| #include "kona.h" |
| |
| static int __init kona_l2_cache_init(void) |
| { |
| if (!IS_ENABLED(CONFIG_CACHE_L2X0)) |
| return 0; |
| |
| if (bcm_kona_smc_init() < 0) { |
| pr_info("Kona secure API not available. Skipping L2 init\n"); |
| return 0; |
| } |
| |
| bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0); |
| |
| /* |
| * The aux_val and aux_mask have no effect since L2 cache is already |
| * enabled. Pass 0s for aux_val and 1s for aux_mask for default value. |
| */ |
| return l2x0_of_init(0, ~0); |
| } |
| |
| static void bcm_board_setup_restart(void) |
| { |
| struct device_node *np; |
| |
| np = of_find_compatible_node(NULL, NULL, "brcm,bcm11351"); |
| if (np) { |
| if (of_device_is_available(np)) |
| bcm_kona_setup_restart(); |
| of_node_put(np); |
| } |
| /* Restart setup for other boards goes here */ |
| } |
| |
| static void __init board_init(void) |
| { |
| of_platform_populate(NULL, of_default_bus_match_table, NULL, |
| &platform_bus); |
| |
| bcm_board_setup_restart(); |
| kona_l2_cache_init(); |
| } |
| |
| static const char * const bcm11351_dt_compat[] = { "brcm,bcm11351", NULL, }; |
| |
| DT_MACHINE_START(BCM11351_DT, "Broadcom Application Processor") |
| .init_time = clocksource_of_init, |
| .init_machine = board_init, |
| .restart = bcm_kona_restart, |
| .dt_compat = bcm11351_dt_compat, |
| MACHINE_END |