From cab6ab815bb8863f853538bab7a8e6214aef5b68 Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Tue, 14 Mar 2017 05:49:29 +0800 Subject: Add i.MX8 SoCs support This patch adds i.MX8 SoCs ATFW support, including below basic features: * LPUART * SCFW RPC * SMP boot up Each SoC will have its own platform definition and driver to support. Signed-off-by: Anson Huang Signed-off-by: Bai Ping --- plat/freescale/common/imx8_topology.c | 59 +++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 plat/freescale/common/imx8_topology.c (limited to 'plat/freescale/common/imx8_topology.c') diff --git a/plat/freescale/common/imx8_topology.c b/plat/freescale/common/imx8_topology.c new file mode 100644 index 00000000..ce45d12a --- /dev/null +++ b/plat/freescale/common/imx8_topology.c @@ -0,0 +1,59 @@ +/* + * 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 + +extern const unsigned char imx_power_domain_tree_desc[]; + +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return imx_power_domain_tree_desc; +} + +int plat_core_pos_by_mpidr(u_register_t mpidr) +{ + unsigned int cluster_id, cpu_id; + + mpidr &= MPIDR_AFFINITY_MASK; + + if(mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) + return -1; + + cluster_id = MPIDR_AFFLVL1_VAL(mpidr); + cpu_id = MPIDR_AFFLVL0_VAL(mpidr); + + if (cluster_id > PLATFORM_CLUSTER_COUNT || + cpu_id > PLATFORM_MAX_CPU_PER_CLUSTER) + return -1; + + return (cpu_id + (cluster_id * 4)); +} -- cgit v1.2.3