/* * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #define SB_CSR 0x0 #define SB_CSR_NS_RST_VEC_WR_DIS (1 << 1) /* CPU reset vector */ #define SB_AA64_RESET_LOW 0x30 /* width = 31:0 */ #define SB_AA64_RESET_HI 0x34 /* width = 11:0 */ extern void tegra_secure_entrypoint(void); /******************************************************************************* * Setup secondary CPU vectors ******************************************************************************/ void plat_secondary_setup(void) { uint32_t val; uint64_t reset_addr = (uint64_t)tegra_secure_entrypoint; INFO("Setting up secondary CPU boot\n"); /* setup secondary CPU vector */ mmio_write_32(TEGRA_SB_BASE + SB_AA64_RESET_LOW, (reset_addr & 0xFFFFFFFF) | 1); val = reset_addr >> 32; mmio_write_32(TEGRA_SB_BASE + SB_AA64_RESET_HI, val & 0x7FF); /* configure PMC */ tegra_pmc_cpu_setup(reset_addr); tegra_pmc_lock_cpu_vectors(); }