root/sys/arch/loongson/include/autoconf.h
/*      $OpenBSD: autoconf.h,v 1.17 2017/05/21 13:00:53 visa Exp $ */

/*
 * Copyright (c) 2001-2003 Opsycon AB  (www.opsycon.se / www.opsycon.com)
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

/*
 * Definitions used by autoconfiguration.
 */

#ifndef _MACHINE_AUTOCONF_H_
#define _MACHINE_AUTOCONF_H_

#include <machine/bus.h>

struct bonito_config;
struct htb_config;
struct mips_isa_chipset;

/*
 * List of legacy I/O ranges.
 */
struct legacy_io_range {
        bus_addr_t      start;
        bus_size_t      end;    /* inclusive */
};

/*
 * Per platform information.
 */
struct platform {
        int                              system_type;
#define LOONGSON_2E             0x0000  /* Generic Loongson 2E system */
#define LOONGSON_YEELOONG       0x0001  /* Lemote Yeeloong */
#define LOONGSON_GDIUM          0x0002  /* EMTEC Gdium Liberty */
#define LOONGSON_FULOONG        0x0003  /* Lemote Fuloong */
#define LOONGSON_LYNLOONG       0x0004  /* Lemote Lynloong */
#define LOONGSON_EBT700         0x0005  /* eBenton EBT700 */
#define LOONGSON_3A             0x0066  /* Loongson 2Gq or 3A based system */

        char                            *vendor;
        char                            *product;

        const struct bonito_config      *bonito_config;
        const struct htb_config         *htb_config;
        struct mips_isa_chipset         *isa_chipset;
        const struct legacy_io_range    *legacy_io_ranges;

        void                            (*setup)(void);
        void                            (*device_register)(struct device *,
                                            void *);

        void                            (*powerdown)(void);
        void                            (*reset)(void);
        int                             (*suspend)(void);
        int                             (*resume)(void);

#ifdef MULTIPROCESSOR
        void                            (*config_secondary_cpus)(
                                            struct device *, cfprint_t);
        void                            (*boot_secondary_cpu)(
                                            struct cpu_info *);
        int                             (*ipi_establish)(int (*)(void *),
                                            cpuid_t);
        void                            (*ipi_set)(cpuid_t);
        void                            (*ipi_clear)(cpuid_t);
#endif /* MULTIPROCESSOR */
};

#define LOONGSON_MAXCPUS        16

extern const struct platform *sys_platform;
extern void *loongson_videobios;
extern uint loongson_cpumask;
extern uint loongson_ver;
extern int nnodes;

#ifdef MULTIPROCESSOR
extern uint64_t cpu_spinup_a0;
extern uint64_t cpu_spinup_sp;
#endif

struct mainbus_attach_args {
        const char      *maa_name;
};

extern struct device *bootdv;
extern char bootdev[];
extern enum devclass bootdev_class;

extern bus_space_tag_t early_mem_t;
extern bus_space_tag_t early_io_t;

#define REGVAL8(x)      *((volatile uint8_t *)PHYS_TO_XKPHYS((x), CCA_NC))
#define REGVAL32(x)     *((volatile uint32_t *)PHYS_TO_XKPHYS((x), CCA_NC))
#define REGVAL64(x)     *((volatile uint64_t *)PHYS_TO_XKPHYS((x), CCA_NC))

#define REGVAL(x)       REGVAL32(x)

#include <mips64/autoconf.h>

#endif /* _MACHINE_AUTOCONF_H_ */