1 /* $NetBSD: extern.h,v 1.4 2005/12/11 12:17:34 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Naoto Shimazaki. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS'' 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 18 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _LOCORE 30 #include <sys/types.h> 31 32 #include <netinet/in.h> 33 #include <netinet/in_systm.h> 34 35 #include <lib/libsa/net.h> 36 #include <lib/libsa/netif.h> 37 38 #include <mips/cpuregs.h> 39 40 #include <dev/ic/comreg.h> 41 #include <dev/ic/ns16550reg.h> 42 #include <dev/ic/st16650reg.h> 43 #define com_lcr com_cfcr 44 45 struct bootmenu_command { 46 const char *c_name; 47 void (*c_fn)(char*); 48 }; 49 50 #define BOOTOPT_MAGIC 0x4c43424fU /* LCBO */ 51 #define B_F_USE_BOOTP 0x00000001 52 53 struct boot_option { 54 u_int32_t b_magic; 55 u_int32_t b_flags; 56 struct in_addr b_remote_ip; 57 struct in_addr b_local_ip; 58 struct in_addr b_gate_ip; 59 u_long b_netmask; 60 char b_pathname[FNAME_SIZE]; 61 }; 62 63 #define ROMCS0_BASE 0xbe000000U 64 #define ROMCS3_BASE 0xbf800000U 65 #define FLASH_BASE ROMCS0_BASE 66 #define BOOTOPTS_BASE 0xbfd20000U 67 68 /* ElapsedTime registers */ 69 #define VRETIMEL 0x0b0000c0 70 #define VRETIMEM 0x0b0000c2 71 #define VRETIMEH 0x0b0000c4 72 73 #ifdef ROMICE 74 #define KERN_ROMBASE 0x80800000U 75 #else 76 #define KERN_ROMBASE 0xbf800000U 77 #endif 78 79 #define __REG_1(reg) *((volatile u_int8_t*) (reg)) 80 #define __REG_2(reg) *((volatile u_int16_t*) (reg)) 81 #define __REG_4(reg) *((volatile u_int32_t*) (reg)) 82 83 #define ISSET(t, f) ((t) & (f)) 84 85 #define REGWRITE_1(base, off, val) \ 86 (__REG_1(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))) \ 87 = (val)) 88 #define REGWRITE_2(base, off, val) \ 89 (__REG_2(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))) \ 90 = (val)) 91 #define REGWRITE_4(base, off, val) \ 92 (__REG_4(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off))) \ 93 = (val)) 94 95 #define REGREAD_1(base, off) \ 96 (__REG_1(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off)))) 97 #define REGREAD_2(base, off) \ 98 (__REG_2(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off)))) 99 #define REGREAD_4(base, off) \ 100 (__REG_4(MIPS_PHYS_TO_KSEG1((u_int32_t) (base) + (off)))) 101 102 #define ISKEY ISSET(REGREAD_1(VR4181_SIU_ADDR, com_lsr), LSR_RXRDY) 103 104 #define bus_space_write_1(iot, ioh, off, val) REGWRITE_1((ioh), (off), (val)) 105 #define bus_space_write_2(iot, ioh, off, val) REGWRITE_2((ioh), (off), (val)) 106 #define bus_space_write_4(iot, ioh, off, val) REGWRITE_4((ioh), (off), (val)) 107 #define bus_space_read_1(iot, ioh, off) REGREAD_1((ioh), (off)) 108 #define bus_space_read_2(iot, ioh, off) REGREAD_2((ioh), (off)) 109 #define bus_space_read_4(iot, ioh, off) REGREAD_4((ioh), (off)) 110 typedef void *bus_space_tag_t; 111 typedef u_int32_t bus_space_handle_t; 112 typedef size_t bus_size_t; 113 114 extern struct netif_driver cs_driver; 115 extern struct boot_option bootopts; 116 117 void comcninit(void); 118 int iskey(void); 119 void start_netbsd(void); 120 int i28f128_probe(void *base); 121 int i28f128_region_write(void *dst, const void *src, size_t len); 122 123 /* dev_flash */ 124 int flash_strategy(void *, int, daddr_t, size_t, void *, size_t *); 125 int flash_open(struct open_file *, ...); 126 int flash_close(struct open_file *); 127 int flash_ioctl(struct open_file *, u_long, void *); 128 129 /* dev_net */ 130 int net_strategy(void *, int, daddr_t, size_t, void *, size_t *); 131 int net_open(struct open_file *, ...); 132 int net_close(struct open_file *); 133 int net_ioctl(struct open_file *, u_long, void *); 134 135 #endif /* !_LOCORE */ 136 137 #define LCBOOT_STARTADDR 0x80001000 138 #define LCBOOT_ROMSTARTADDR 0xbfd01000 139 #define NETBSD_STARTADDR 0x80040000 140