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