1 /* $NetBSD: apbus_subr.c,v 1.10 2018/09/30 06:14:23 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (C) 1999 SHIMIZU Ryo. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: apbus_subr.c,v 1.10 2018/09/30 06:14:23 tsutsui Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 35 #include <uvm/uvm_extern.h> 36 37 #include <mips/locore.h> 38 #include <mips/pte.h> 39 40 #include <machine/wired_map.h> 41 42 #include <newsmips/apbus/apbusvar.h> 43 44 static void apctl_dump(struct apbus_ctl *); 45 46 #define APBUS_ROMWORK_VA 0xfff00000 47 48 void 49 apbus_map_romwork(void) 50 { 51 static bool mapped = false; 52 vaddr_t apbd_work_va; 53 vsize_t apbd_work_sz; 54 paddr_t apbd_work_pa; 55 56 if (!mapped) { 57 /* map PROM work RAM into VA 0xFFF00000 - 0xFFFFFFFF */ 58 apbd_work_va = APBUS_ROMWORK_VA; 59 apbd_work_sz = MIPS3_PG_SIZE_MASK_TO_SIZE(MIPS3_PG_SIZE_1M); 60 apbd_work_pa = ctob(physmem); 61 62 mapped = mips3_wired_enter_page(apbd_work_va, apbd_work_pa, 63 apbd_work_sz); 64 if (!mapped) { 65 printf("%s: cannot allocate APbus PROM work\n", 66 __func__); 67 } 68 } 69 } 70 71 void * 72 apbus_device_to_hwaddr(struct apbus_dev *apbus_dev) 73 { 74 struct apbus_ctl *ctl; 75 76 if (apbus_dev == NULL) 77 return NULL; 78 79 ctl = apbus_dev->apbd_ctl; 80 if (ctl == NULL) 81 return NULL; 82 83 return (void *)ctl->apbc_hwbase; 84 } 85 86 struct apbus_dev * 87 apbus_lookupdev(char *devname) 88 { 89 struct apbus_dev *dp; 90 91 dp = _sip->apbsi_dev; 92 if (devname == NULL || *devname == '\0') 93 return dp; 94 95 /* search apbus_dev named 'devname' */ 96 while (dp) { 97 if (strcmp(devname, dp->apbd_name) == 0) 98 return dp; 99 100 dp = dp->apbd_link; 101 } 102 103 return NULL; 104 } 105 106 static void 107 apctl_dump(struct apbus_ctl *apctl) 108 { 109 if (!apctl) 110 return; 111 112 printf(" apbus_ctl dump (%p)\n", apctl); 113 114 printf(" Num: %d\n", apctl->apbc_ctlno); 115 printf(" HWaddr: 0x%08x\n", apctl->apbc_hwbase); 116 printf(" softc: %p\n", apctl->apbc_softc); 117 printf(" Slot: %d\n", apctl->apbc_sl); 118 printf("\n"); 119 120 if (apctl->apbc_link) 121 apctl_dump(apctl->apbc_link); 122 } 123 124 void 125 apdevice_dump(struct apbus_dev *apdev) 126 { 127 struct apbus_ctl *apctl; 128 129 if (apdev == NULL) 130 return; 131 132 /* only no pseudo device */ 133 apctl = apdev->apbd_ctl; 134 if (apctl == NULL || apctl->apbc_hwbase == 0) 135 return; 136 137 printf("apbus_dev dump (%p)\n", apdev); 138 printf("name: %s\n", apdev->apbd_name); 139 printf("vendor: %s\n", apdev->apbd_vendor); 140 printf("atr: %08x\n", apdev->apbd_atr); 141 printf("rev: %d\n", apdev->apbd_rev); 142 printf("driver: 0x%08x\n", (unsigned int)apdev->apbd_driver); 143 printf("ctl: 0x%08x\n", (unsigned int)apdev->apbd_ctl); 144 printf("link: 0x%08x\n", (unsigned int)apdev->apbd_link); 145 printf("\n"); 146 147 apctl_dump(apctl); 148 } 149