/* * Copyright (C) 2012-2014 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/init.h> #include <linux/printk.h> #include <asm/hardware/cache-l2x0.h> #include "bcm_kona_smc.h" #include "kona_l2_cache.h" void __init kona_l2_cache_init(void) { unsigned int result; int ret; ret = bcm_kona_smc_init(); if (ret) { pr_info("Secure API not available (%d). Skipping L2 init.\n", ret); return; } result = bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0); if (result != SEC_ROM_RET_OK) { pr_err("Secure Monitor call failed (%u)! Skipping L2 init.\n", result); return; } /* * 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. */ ret = l2x0_of_init(0, ~0); if (ret) pr_err("Couldn't enable L2 cache: %d\n", ret); }