/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2013 Cavium, Inc. */ #include <linux/kernel.h> #include <linux/kvm_para.h> #include <asm/reboot.h> #include <asm/bootinfo.h> #include <asm/smp-ops.h> #include <asm/time.h> extern const struct plat_smp_ops paravirt_smp_ops; const char *get_system_type(void) { return "MIPS Para-Virtualized Guest"; } void __init plat_time_init(void) { mips_hpt_frequency = kvm_hypercall0(KVM_HC_MIPS_GET_CLOCK_FREQ); preset_lpj = mips_hpt_frequency / (2 * HZ); } static void pv_machine_halt(void) { kvm_hypercall0(KVM_HC_MIPS_EXIT_VM); } /* * Early entry point for arch setup */ void __init prom_init(void) { int i; int argc = fw_arg0; char **argv = (char **)fw_arg1; #ifdef CONFIG_32BIT set_io_port_base(KSEG1ADDR(0x1e000000)); #else /* CONFIG_64BIT */ set_io_port_base(PHYS_TO_XKSEG_UNCACHED(0x1e000000)); #endif for (i = 0; i < argc; i++) { strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE); if (i < argc - 1) strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE); } _machine_halt = pv_machine_halt; register_smp_ops(¶virt_smp_ops); } void __init plat_mem_setup(void) { /* Do nothing, the "mem=???" parser handles our memory. */ } void __init prom_free_prom_memory(void) { }