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