[mirror_ubuntu-artful-kernel.git] / arch / mips / paravirt / setup.c

/*
 * 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 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(&paravirt_smp_ops);
}

void __init plat_mem_setup(void)
{
	/* Do nothing, the "mem=???" parser handles our memory. */
}

void __init prom_free_prom_memory(void)
{
}
Commit	Line	Data
18280eda DD	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	*
	6	* Copyright (C) 2013 Cavium, Inc.
	7	*/
	8
	9	#include <linux/kernel.h>
	10	#include <linux/kvm_para.h>
	11
	12	#include <asm/reboot.h>
	13	#include <asm/bootinfo.h>
	14	#include <asm/smp-ops.h>
	15	#include <asm/time.h>
	16
	17	extern struct plat_smp_ops paravirt_smp_ops;
	18
	19	const char *get_system_type(void)
	20	{
	21	return "MIPS Para-Virtualized Guest";
	22	}
	23
	24	void __init plat_time_init(void)
	25	{
	26	mips_hpt_frequency = kvm_hypercall0(KVM_HC_MIPS_GET_CLOCK_FREQ);
	27
	28	preset_lpj = mips_hpt_frequency / (2 * HZ);
	29	}
	30
	31	static void pv_machine_halt(void)
	32	{
	33	kvm_hypercall0(KVM_HC_MIPS_EXIT_VM);
	34	}
	35
	36	/*
	37	* Early entry point for arch setup
	38	*/
	39	void __init prom_init(void)
	40	{
	41	int i;
	42	int argc = fw_arg0;
	43	char argv = (char )fw_arg1;
	44
	45	#ifdef CONFIG_32BIT
	46	set_io_port_base(KSEG1ADDR(0x1e000000));
	47	#else /* CONFIG_64BIT */
	48	set_io_port_base(PHYS_TO_XKSEG_UNCACHED(0x1e000000));
	49	#endif
	50
	51	for (i = 0; i < argc; i++) {
	52	strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
	53	if (i < argc - 1)
	54	strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
	55	}
	56	_machine_halt = pv_machine_halt;
	57	register_smp_ops(&paravirt_smp_ops);
	58	}
	59
	60	void __init plat_mem_setup(void)
	61	{
	62	/* Do nothing, the "mem=???" parser handles our memory. */
	63	}
	64
65	void __init prom_free_prom_memory(void)
66	{
67	}