| /* |
| * 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 <arch.h> |
| #include <arch_helpers.h> |
| #include <platform.h> |
| |
| 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)); |
| } |