^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * This software is available to you under a choice of one of two
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * licenses. You may choose to be licensed under the terms of the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * General Public License (GPL) Version 2, available from the file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * COPYING in the main directory of this source tree, or the NetLogic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * license below:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * notice, this list of conditions and the following disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * 2. Redistributions in binary form must reproduce the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * notice, this list of conditions and the following disclaimer in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * the documentation and/or other materials provided with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <linux/threads.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <asm/asm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <asm/asm-offsets.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <asm/mipsregs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <asm/addrspace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <asm/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include <asm/netlogic/haldefs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include <asm/netlogic/common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #include <asm/netlogic/mips-extns.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #include <asm/netlogic/xlr/iomap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #include <asm/netlogic/xlr/pic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int xlr_wakeup_secondary_cpus(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct nlm_soc_info *nodep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) unsigned int i, j, boot_cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) volatile u32 *cpu_ready = nlm_get_boot_data(BOOT_CPU_READY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * In case of RMI boot, hit with NMI to get the cores
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) * from bootloader to linux code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) nodep = nlm_get_node(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) boot_cpu = hard_smp_processor_id();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) nlm_set_nmi_handler(nlm_rmiboot_preboot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) for (i = 0; i < NR_CPUS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (i == boot_cpu || !cpumask_test_cpu(i, &nlm_cpumask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) nlm_pic_send_ipi(nodep->picbase, i, 1, 1); /* send NMI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) /* Fill up the coremask early */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) nodep->coremask = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) for (i = 1; i < nlm_cores_per_node(); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) for (j = 1000000; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (cpu_ready[i * NLM_THREADS_PER_CORE])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) udelay(10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (j != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) nodep->coremask |= (1u << i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) pr_err("Failed to wakeup core %d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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