1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright 2017 NXP 4 * 5 * Peng Fan <peng.fan@nxp.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <arm32.h> 31 #include <console.h> 32 #include <drivers/imx_uart.h> 33 #include <io.h> 34 #include <kernel/cache_helpers.h> 35 #include <kernel/generic_boot.h> 36 #include <kernel/misc.h> 37 #include <kernel/panic.h> 38 #include <kernel/pm_stubs.h> 39 #include <kernel/thread.h> 40 #include <kernel/tlb_helpers.h> 41 #include <kernel/tz_ssvce_pl310.h> 42 #include <mm/core_memprot.h> 43 #include <mm/core_mmu.h> 44 #include <platform_config.h> 45 #include <sm/optee_smc.h> 46 #include <sm/pm.h> 47 #include <sm/psci.h> 48 #include <sm/sm.h> 49 #include <stdint.h> 50 51 #if CFG_TEE_CORE_NB_CORE > 4 52 #error "Max support 4 cores in one cluster now" 53 #endif 54 55 void sm_pm_cpu_suspend_save(struct sm_pm_ctx *ctx, uint32_t sp) 56 { 57 struct thread_core_local *p = thread_get_core_local(); 58 59 p->sm_pm_ctx_phys = virt_to_phys((void *)ctx); 60 61 /* The content will be passed to sm_pm_cpu_do_resume as register sp */ 62 ctx->sp = sp; 63 ctx->cpu_resume_addr = 64 virt_to_phys((void *)(vaddr_t)sm_pm_cpu_do_resume); 65 66 sm_pm_cpu_do_suspend(ctx->suspend_regs); 67 68 dcache_op_level1(DCACHE_OP_CLEAN_INV); 69 70 #ifdef CFG_PL310 71 arm_cl2_cleanbyway(core_mmu_get_va(PL310_BASE, MEM_AREA_IO_SEC)); 72 #endif 73 } 74