Home | History | Annotate | Line # | Download | only in lcboot
extern.h revision 1.2 
      1 /* $NetBSD: extern.h,v 1.2 2003/06/24 12:27:04 igy Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Naoto Shimazaki of YOKOGAWA Electric Corporation.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _LOCORE
     40 #include <sys/types.h>
     41 #include <mips/cpuregs.h>
     42 
     43 #include <dev/ic/comreg.h>
     44 #include <dev/ic/ns16550reg.h>
     45 #include <dev/ic/st16650reg.h>
     46 #define com_lcr com_cfcr
     47 
     48 struct bootmenu_command {
     49 	const char	*c_name;
     50 	void (*c_fn)(char*);
     51 };
     52 
     53 #define ROMCS0_BASE	0xbe000000U
     54 #define ROMCS3_BASE	0xbf800000U
     55 #define FLASH_BASE	ROMCS0_BASE
     56 
     57 #ifdef ROMICE
     58 #define KERN_ROMBASE	0x80800000U
     59 #else
     60 #define KERN_ROMBASE	0xbf800000U
     61 #endif
     62 
     63 #define __REG_1(reg)	*((volatile u_int8_t*) (reg))
     64 #define __REG_2(reg)	*((volatile u_int16_t*) (reg))
     65 #define __REG_4(reg)	*((volatile u_int32_t*) (reg))
     66 
     67 #define ISSET(t, f)	((t) & (f))
     68 
     69 #define REGWRITE_1(base, off, val)	\
     70 		(__REG_1(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))) \
     71 		 = (val))
     72 #define REGWRITE_2(base, off, val)	\
     73 		(__REG_2(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))) \
     74 		 = (val))
     75 #define REGWRITE_4(base, off, val)	\
     76 		(__REG_4(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))) \
     77 		 = (val))
     78 
     79 #define REGREAD_1(base, off)	\
     80 		(__REG_1(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))))
     81 #define REGREAD_2(base, off)	\
     82 		(__REG_2(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))))
     83 #define REGREAD_4(base, off)	\
     84 		(__REG_4(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))))
     85 
     86 #define ISKEY	ISSET(REGREAD_1(VR4181_SIU_ADDR, com_lsr), LSR_RXRDY)
     87 
     88 #define bus_space_write_1(iot, ioh, off, val)	REGWRITE_1((ioh), (off), (val))
     89 #define bus_space_write_2(iot, ioh, off, val)	REGWRITE_2((ioh), (off), (val))
     90 #define bus_space_write_4(iot, ioh, off, val)	REGWRITE_4((ioh), (off), (val))
     91 #define bus_space_read_1(iot, ioh, off)	REGREAD_1((ioh), (off))
     92 #define bus_space_read_2(iot, ioh, off)	REGREAD_2((ioh), (off))
     93 #define bus_space_read_4(iot, ioh, off)	REGREAD_4((ioh), (off))
     94 typedef void		*bus_space_tag_t;
     95 typedef u_int32_t	bus_space_handle_t;
     96 typedef size_t		bus_size_t;
     97 
     98 void comcninit(void);
     99 int iskey(void);
    100 void start_netbsd(void);
    101 int i28f128_probe(void *base);
    102 int i28f128_region_write(void *dst, const void *src, size_t len);
    103 
    104 /* dev_flash */
    105 int flash_strategy(void *, int, daddr_t, size_t, void *, size_t *);
    106 int flash_open(struct open_file *, ...);
    107 int flash_close(struct open_file *);
    108 int flash_ioctl(struct open_file *, u_long, void *);
    109 
    110 #endif /* !_LOCORE */
    111 
    112 #define	LCBOOT_STARTADDR	0x80001000
    113 #define	LCBOOT_ROMSTARTADDR	0xbfd01000
    114 #define	NETBSD_STARTADDR	0x80040000
    115