1 /* $NetBSD: hd64461.c,v 1.16 2005/12/18 22:07:56 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 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 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: hd64461.c,v 1.16 2005/12/18 22:07:56 uwe Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 #include <sys/reboot.h> 46 47 #include <machine/bus.h> 48 #include <machine/intr.h> 49 #include <machine/debug.h> 50 51 #include <hpcsh/dev/hd64461/hd64461var.h> 52 53 /* HD64461 modules. INTC, TIMER, POWER modules are included in hd64461if */ 54 STATIC struct hd64461_module { 55 const char *name; 56 } hd64461_modules[] = { 57 [HD64461_MODULE_VIDEO] = { "hd64461video" }, 58 [HD64461_MODULE_PCMCIA] = { "hd64461pcmcia" }, 59 [HD64461_MODULE_GPIO] = { "hd64461gpio" }, 60 [HD64461_MODULE_AFE] = { "hd64461afe" }, 61 [HD64461_MODULE_UART] = { "hd64461uart" }, 62 [HD64461_MODULE_FIR] = { "hd64461fir" }, 63 }; 64 #define HD64461_NMODULE \ 65 (sizeof hd64461_modules / sizeof(struct hd64461_module)) 66 67 STATIC int hd64461_match(struct device *, struct cfdata *, void *); 68 STATIC void hd64461_attach(struct device *, struct device *, void *); 69 STATIC int hd64461_print(void *, const char *); 70 #ifdef DEBUG 71 STATIC void hd64461_info(void); 72 #endif 73 74 CFATTACH_DECL(hd64461if, sizeof(struct device), 75 hd64461_match, hd64461_attach, NULL, NULL); 76 77 STATIC int 78 hd64461_match(struct device *parent, struct cfdata *cf, void *aux) 79 { 80 81 switch (cpu_product) { 82 case CPU_PRODUCT_7709: 83 case CPU_PRODUCT_7709A: 84 break; 85 86 default: 87 return (0); /* HD64461 only supports SH7709 interface */ 88 } 89 90 if (strcmp("hd64461if", cf->cf_name)) 91 return (0); 92 93 return (1); 94 } 95 96 STATIC void 97 hd64461_attach(struct device *parent, struct device *self, void *aux) 98 { 99 struct hd64461_attach_args ha; 100 struct hd64461_module *module; 101 int i; 102 103 printf("\n"); 104 #ifdef DEBUG 105 if (bootverbose) 106 hd64461_info(); 107 #endif 108 109 /* Attach all sub modules */ 110 for (i = 0, module = hd64461_modules; i < HD64461_NMODULE; 111 i++, module++) { 112 if (module->name == 0) 113 continue; 114 ha.ha_module_id = i; 115 config_found(self, &ha, hd64461_print); 116 } 117 } 118 119 STATIC int 120 hd64461_print(void *aux, const char *pnp) 121 { 122 struct hd64461_attach_args *ha = aux; 123 124 if (pnp) 125 aprint_normal("%s at %s", 126 hd64461_modules[ha->ha_module_id].name, pnp); 127 128 return (UNCONF); 129 } 130 131 132 #ifdef DEBUG 133 134 #include <hpcsh/dev/hd64461/hd64461reg.h> 135 #include <hpcsh/dev/hd64461/hd64461intcreg.h> 136 137 STATIC void 138 hd64461_info(void) 139 { 140 uint16_t r16; 141 142 dbg_banner_function(); 143 144 /* 145 * System 146 */ 147 printf("STBCR (System Control Register)\n"); 148 r16 = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16); 149 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSTBCR_##m, #m) 150 DBG_BITMASK_PRINT(r16, CKIO_STBY); 151 DBG_BITMASK_PRINT(r16, SAFECKE_IST); 152 DBG_BITMASK_PRINT(r16, SLCKE_IST); 153 DBG_BITMASK_PRINT(r16, SAFECKE_OST); 154 DBG_BITMASK_PRINT(r16, SLCKE_OST); 155 DBG_BITMASK_PRINT(r16, SMIAST); 156 DBG_BITMASK_PRINT(r16, SLCDST); 157 DBG_BITMASK_PRINT(r16, SPC0ST); 158 DBG_BITMASK_PRINT(r16, SPC1ST); 159 DBG_BITMASK_PRINT(r16, SAFEST); 160 DBG_BITMASK_PRINT(r16, STM0ST); 161 DBG_BITMASK_PRINT(r16, STM1ST); 162 DBG_BITMASK_PRINT(r16, SIRST); 163 DBG_BITMASK_PRINT(r16, SURTSD); 164 #undef DBG_BITMASK_PRINT 165 printf("\n"); 166 167 printf("SYSCR (System Configuration Register)\n"); 168 r16 = hd64461_reg_read_2(HD64461_SYSSYSCR_REG16); 169 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSYSCR_##m, #m) 170 DBG_BITMASK_PRINT(r16, SCPU_BUS_IGAT); 171 DBG_BITMASK_PRINT(r16, SPTA_IR); 172 DBG_BITMASK_PRINT(r16, SPTA_TM); 173 DBG_BITMASK_PRINT(r16, SPTB_UR); 174 DBG_BITMASK_PRINT(r16, WAIT_CTL_SEL); 175 DBG_BITMASK_PRINT(r16, SMODE1); 176 DBG_BITMASK_PRINT(r16, SMODE0); 177 #undef DBG_BITMASK_PRINT 178 printf("\n"); 179 180 printf("SCPUCR (CPU Data Bus Control Register)\n"); 181 r16 = hd64461_reg_read_2(HD64461_SYSSCPUCR_REG16); 182 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSCPUCR_##m, #m) 183 DBG_BITMASK_PRINT(r16, SPDSTOF); 184 DBG_BITMASK_PRINT(r16, SPDSTIG); 185 DBG_BITMASK_PRINT(r16, SPCSTOF); 186 DBG_BITMASK_PRINT(r16, SPCSTIG); 187 DBG_BITMASK_PRINT(r16, SPBSTOF); 188 DBG_BITMASK_PRINT(r16, SPBSTIG); 189 DBG_BITMASK_PRINT(r16, SPASTOF); 190 DBG_BITMASK_PRINT(r16, SPASTIG); 191 DBG_BITMASK_PRINT(r16, SLCDSTIG); 192 DBG_BITMASK_PRINT(r16, SCPU_CS56_EP); 193 DBG_BITMASK_PRINT(r16, SCPU_CMD_EP); 194 DBG_BITMASK_PRINT(r16, SCPU_ADDR_EP); 195 DBG_BITMASK_PRINT(r16, SCPDPU); 196 DBG_BITMASK_PRINT(r16, SCPU_A2319_EP); 197 #undef DBG_BITMASK_PRINT 198 printf("\n"); 199 200 printf("\n"); 201 /* 202 * INTC 203 */ 204 printf("NIRR (Interrupt Request Register)\n"); 205 r16 = hd64461_reg_read_2(HD64461_INTCNIRR_REG16); 206 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_INTCNIRR_##m, #m) 207 DBG_BITMASK_PRINT(r16, PCC0R); 208 DBG_BITMASK_PRINT(r16, PCC1R); 209 DBG_BITMASK_PRINT(r16, AFER); 210 DBG_BITMASK_PRINT(r16, GPIOR); 211 DBG_BITMASK_PRINT(r16, TMU0R); 212 DBG_BITMASK_PRINT(r16, TMU1R); 213 DBG_BITMASK_PRINT(r16, IRDAR); 214 DBG_BITMASK_PRINT(r16, UARTR); 215 #undef DBG_BITMASK_PRINT 216 printf("\n"); 217 218 printf("NIMR (Interrupt Mask Register)\n"); 219 r16 = hd64461_reg_read_2(HD64461_INTCNIMR_REG16); 220 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_INTCNIMR_##m, #m) 221 DBG_BITMASK_PRINT(r16, PCC0M); 222 DBG_BITMASK_PRINT(r16, PCC1M); 223 DBG_BITMASK_PRINT(r16, AFEM); 224 DBG_BITMASK_PRINT(r16, GPIOM); 225 DBG_BITMASK_PRINT(r16, TMU0M); 226 DBG_BITMASK_PRINT(r16, TMU1M); 227 DBG_BITMASK_PRINT(r16, IRDAM); 228 DBG_BITMASK_PRINT(r16, UARTM); 229 #undef DBG_BITMASK_PRINT 230 printf("\n"); 231 232 dbg_banner_line(); 233 } 234 #endif /* DEBUG */ 235