sx.c revision 1.2.4.2
1 1.2.4.2 tls /* $NetBSD: sx.c,v 1.2.4.2 2013/02/25 00:28:57 tls Exp $ */ 2 1.2.4.2 tls 3 1.2.4.2 tls /*- 4 1.2.4.2 tls * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.2.4.2 tls * All rights reserved. 6 1.2.4.2 tls * 7 1.2.4.2 tls * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 tls * by Michael Lorenz. 9 1.2.4.2 tls * 10 1.2.4.2 tls * Redistribution and use in source and binary forms, with or without 11 1.2.4.2 tls * modification, are permitted provided that the following conditions 12 1.2.4.2 tls * are met: 13 1.2.4.2 tls * 1. Redistributions of source code must retain the above copyright 14 1.2.4.2 tls * notice, this list of conditions and the following disclaimer. 15 1.2.4.2 tls * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.4.2 tls * notice, this list of conditions and the following disclaimer in the 17 1.2.4.2 tls * documentation and/or other materials provided with the distribution. 18 1.2.4.2 tls * 19 1.2.4.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.4.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.4.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.4.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.4.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.4.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.4.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.4.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.4.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.4.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.4.2 tls * POSSIBILITY OF SUCH DAMAGE. 30 1.2.4.2 tls */ 31 1.2.4.2 tls 32 1.2.4.2 tls #include <sys/cdefs.h> 33 1.2.4.2 tls __KERNEL_RCSID(0, "$NetBSD: sx.c,v 1.2.4.2 2013/02/25 00:28:57 tls Exp $"); 34 1.2.4.2 tls 35 1.2.4.2 tls #include "locators.h" 36 1.2.4.2 tls 37 1.2.4.2 tls #include <sys/param.h> 38 1.2.4.2 tls #include <sys/systm.h> 39 1.2.4.2 tls #include <sys/device.h> 40 1.2.4.2 tls #include <sys/malloc.h> 41 1.2.4.2 tls 42 1.2.4.2 tls #include <uvm/uvm_extern.h> 43 1.2.4.2 tls 44 1.2.4.2 tls #include <sys/bus.h> 45 1.2.4.2 tls #include <sparc/dev/sbusvar.h> 46 1.2.4.2 tls #include <machine/autoconf.h> 47 1.2.4.2 tls #include <machine/cpu.h> 48 1.2.4.2 tls #include <machine/ctlreg.h> 49 1.2.4.2 tls #include <sparc/sparc/asm.h> 50 1.2.4.2 tls #include <sparc/dev/sxvar.h> 51 1.2.4.2 tls #include <sparc/dev/sxreg.h> 52 1.2.4.2 tls 53 1.2.4.2 tls /* autoconfiguration driver */ 54 1.2.4.2 tls static int sx_match(device_t, struct cfdata *, void *); 55 1.2.4.2 tls static void sx_attach(device_t, device_t, void *); 56 1.2.4.2 tls 57 1.2.4.2 tls CFATTACH_DECL_NEW(sx, sizeof(struct sx_softc), 58 1.2.4.2 tls sx_match, sx_attach, NULL, NULL); 59 1.2.4.2 tls 60 1.2.4.2 tls static int 61 1.2.4.2 tls sx_match(device_t parent, struct cfdata *cf, void *aux) 62 1.2.4.2 tls { 63 1.2.4.2 tls struct mainbus_attach_args *ma = aux; 64 1.2.4.2 tls 65 1.2.4.2 tls return (strcmp("SUNW,sx", ma->ma_name) == 0); 66 1.2.4.2 tls } 67 1.2.4.2 tls 68 1.2.4.2 tls static void 69 1.2.4.2 tls sx_attach(device_t parent, device_t self, void *aux) 70 1.2.4.2 tls { 71 1.2.4.2 tls struct sx_softc *sc = device_private(self); 72 1.2.4.2 tls struct mainbus_attach_args *ma = aux; 73 1.2.4.2 tls int i; 74 1.2.4.2 tls #ifdef SX_DEBUG 75 1.2.4.2 tls int j; 76 1.2.4.2 tls #endif 77 1.2.4.2 tls 78 1.2.4.2 tls printf("\n"); 79 1.2.4.2 tls 80 1.2.4.2 tls sc->sc_dev = self; 81 1.2.4.2 tls sc->sc_tag = ma->ma_bustag; 82 1.2.4.2 tls sc->sc_uregs = ma->ma_paddr + 0x1000; 83 1.2.4.2 tls 84 1.2.4.2 tls if (bus_space_map(sc->sc_tag, ma->ma_paddr, 0x1000, 0, &sc->sc_regh)) { 85 1.2.4.2 tls aprint_error_dev(self, "failed to map registers\n"); 86 1.2.4.2 tls return; 87 1.2.4.2 tls } 88 1.2.4.2 tls 89 1.2.4.2 tls /* stop the processor */ 90 1.2.4.2 tls sx_write(sc, SX_CONTROL_STATUS, 0); 91 1.2.4.2 tls /* initialize control registers, clear errors etc. */ 92 1.2.4.2 tls sx_write(sc, SX_R0_INIT, 0); 93 1.2.4.2 tls sx_write(sc, SX_ERROR, 0); 94 1.2.4.2 tls /* default, to be overriden once cgfourteen takes over */ 95 1.2.4.2 tls sx_write(sc, SX_PAGE_BOUND_LOWER, 0xfc000000); 96 1.2.4.2 tls /* cg14 takes up the whole 64MB chunk */ 97 1.2.4.2 tls sx_write(sc, SX_PAGE_BOUND_UPPER, 0xffffffff); 98 1.2.4.2 tls sx_write(sc, SX_DIAGNOSTICS, 0); 99 1.2.4.2 tls sx_write(sc, SX_PLANEMASK, 0xffffffff); 100 1.2.4.2 tls 101 1.2.4.2 tls /* 102 1.2.4.2 tls * initialize all other registers 103 1.2.4.2 tls * use the direct port since the processor is stopped 104 1.2.4.2 tls */ 105 1.2.4.2 tls for (i = 4; i < 0x200; i += 4) 106 1.2.4.2 tls sx_write(sc, SX_DIRECT_R0 + i, 0); 107 1.2.4.2 tls 108 1.2.4.2 tls /* ... and start the processor again */ 109 1.2.4.2 tls sx_write(sc, SX_CONTROL_STATUS, SX_PB | SX_GO); 110 1.2.4.2 tls 111 1.2.4.2 tls #ifdef SX_DEBUG 112 1.2.4.2 tls sta(0xfc000000, ASI_SX, SX_LD(8, 31, 0)); 113 1.2.4.2 tls for (i = 1; i < 60; i++) 114 1.2.4.2 tls sta(0xfc000000 + (i * 1280), ASI_SX, SX_ST(8, 31, 0)); 115 1.2.4.2 tls for (i = 900; i < 1000; i++) 116 1.2.4.2 tls sta(0xfc000000 + (i * 1280) + 600, ASI_SX, SX_ST(0, 31, 0)); 117 1.2.4.2 tls 118 1.2.4.2 tls for (i = 0; i < 0x30; i+= 16) { 119 1.2.4.2 tls printf("%08x:", i); 120 1.2.4.2 tls for (j = 0; j < 16; j += 4) { 121 1.2.4.2 tls if ((i + j) > 0x28) continue; 122 1.2.4.2 tls printf(" %08x", 123 1.2.4.2 tls bus_space_read_4(sc->sc_tag, sc->sc_regh, i + j)); 124 1.2.4.2 tls } 125 1.2.4.2 tls printf("\n"); 126 1.2.4.2 tls } 127 1.2.4.2 tls printf("registers:\n"); 128 1.2.4.2 tls for (i = 0x300; i < 0x500; i+= 16) { 129 1.2.4.2 tls printf("%08x:", i); 130 1.2.4.2 tls for (j = 0; j < 16; j += 4) { 131 1.2.4.2 tls printf(" %08x", 132 1.2.4.2 tls bus_space_read_4(sc->sc_tag, sc->sc_regh, 133 1.2.4.2 tls i + j)); 134 1.2.4.2 tls } 135 1.2.4.2 tls printf("\n"); 136 1.2.4.2 tls } 137 1.2.4.2 tls #endif 138 1.2.4.2 tls } 139 1.2.4.2 tls 140
Indexes created Mon Oct 13 08:09:50 GMT 2025