1 /* $NetBSD: hd64461.c,v 1.26 2021/08/07 16:18:54 thorpej 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: hd64461.c,v 1.26 2021/08/07 16:18:54 thorpej Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/reboot.h> 39 #include <sys/bus.h> 40 41 #include <machine/intr.h> 42 #include <machine/debug.h> 43 44 #include <hpcsh/dev/hd64461/hd64461reg.h> 45 #include <hpcsh/dev/hd64461/hd64461intcreg.h> 46 #include <hpcsh/dev/hd64461/hd64461var.h> 47 48 /* HD64461 modules. INTC, TIMER, POWER modules are included in hd64461if */ 49 STATIC const struct hd64461_module { 50 const char *name; 51 } hd64461_modules[] = { 52 [HD64461_MODULE_VIDEO] = { "hd64461video" }, 53 [HD64461_MODULE_PCMCIA] = { "hd64461pcmcia" }, 54 [HD64461_MODULE_UART] = { "hd64461uart" }, 55 #if 0 /* there are no drivers, so don't bother */ 56 [HD64461_MODULE_GPIO] = { "hd64461gpio" }, 57 [HD64461_MODULE_AFE] = { "hd64461afe" }, 58 [HD64461_MODULE_FIR] = { "hd64461fir" }, 59 #endif 60 }; 61 62 int use_afeck = 0; 63 64 STATIC int hd64461_match(device_t, cfdata_t, void *); 65 STATIC void hd64461_attach(device_t, device_t, void *); 66 STATIC int hd64461_print(void *, const char *); 67 #ifdef DEBUG 68 STATIC void hd64461_info(void); 69 #endif 70 71 CFATTACH_DECL_NEW(hd64461if, 0, 72 hd64461_match, hd64461_attach, NULL, NULL); 73 74 STATIC int 75 hd64461_match(device_t parent, cfdata_t cf, void *aux) 76 { 77 78 switch (cpu_product) { 79 case CPU_PRODUCT_7709: 80 case CPU_PRODUCT_7709A: 81 break; 82 83 default: 84 return (0); /* HD64461 only supports SH7709 interface */ 85 } 86 87 if (strcmp("hd64461if", cf->cf_name) != 0) 88 return (0); 89 90 return (1); 91 } 92 93 STATIC void 94 hd64461_attach(device_t parent, device_t self, void *aux) 95 { 96 struct hd64461_attach_args ha; 97 const struct hd64461_module *module; 98 uint16_t stbcr; 99 int i; 100 101 aprint_naive("\n"); 102 aprint_normal("\n"); 103 #ifdef DEBUG 104 if (bootverbose) 105 hd64461_info(); 106 #endif 107 108 stbcr = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16); 109 110 /* we don't use TIMER */ 111 stbcr |= HD64461_SYSSTBCR_STM0ST | HD64461_SYSSTBCR_STM1ST; 112 113 /* no drivers for FIR and AFE */ 114 stbcr |= HD64461_SYSSTBCR_SIRST | HD64461_SYSSTBCR_SAFEST; 115 116 if (!use_afeck) 117 stbcr |= 118 HD64461_SYSSTBCR_SAFECKE_IST | HD64461_SYSSTBCR_SAFECKE_OST; 119 120 hd64461_reg_write_2(HD64461_SYSSTBCR_REG16, stbcr); 121 122 123 /* Attach all sub modules */ 124 for (i = 0; i < __arraycount(hd64461_modules); ++i) { 125 module = &hd64461_modules[i]; 126 if (module->name == NULL) 127 continue; 128 ha.ha_module_id = i; 129 config_found(self, &ha, hd64461_print, CFARGS_NONE); 130 } 131 132 /* XXX: TODO */ 133 if (!pmf_device_register(self, NULL, NULL)) 134 aprint_error_dev(self, "unable to establish power handler\n"); 135 } 136 137 STATIC int 138 hd64461_print(void *aux, const char *pnp) 139 { 140 struct hd64461_attach_args *ha = aux; 141 142 if (pnp) 143 aprint_normal("%s at %s", 144 hd64461_modules[ha->ha_module_id].name, pnp); 145 146 return (UNCONF); 147 } 148 149 150 #ifdef DEBUG 151 152 STATIC void 153 hd64461_info(void) 154 { 155 uint16_t r16; 156 157 dbg_banner_function(); 158 159 /* 160 * System 161 */ 162 printf("STBCR (Standby Control Register)\n"); 163 r16 = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16); 164 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSTBCR_##m, #m) 165 DBG_BITMASK_PRINT(r16, CKIO_STBY); 166 DBG_BITMASK_PRINT(r16, SAFECKE_IST); 167 DBG_BITMASK_PRINT(r16, SLCKE_IST); 168 DBG_BITMASK_PRINT(r16, SAFECKE_OST); 169 DBG_BITMASK_PRINT(r16, SLCKE_OST); 170 DBG_BITMASK_PRINT(r16, SMIAST); 171 DBG_BITMASK_PRINT(r16, SLCDST); 172 DBG_BITMASK_PRINT(r16, SPC0ST); 173 DBG_BITMASK_PRINT(r16, SPC1ST); 174 DBG_BITMASK_PRINT(r16, SAFEST); 175 DBG_BITMASK_PRINT(r16, STM0ST); 176 DBG_BITMASK_PRINT(r16, STM1ST); 177 DBG_BITMASK_PRINT(r16, SIRST); 178 DBG_BITMASK_PRINT(r16, SURTSD); 179 #undef DBG_BITMASK_PRINT 180 printf("\n"); 181 182 printf("SYSCR (System Configuration Register)\n"); 183 r16 = hd64461_reg_read_2(HD64461_SYSSYSCR_REG16); 184 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSYSCR_##m, #m) 185 DBG_BITMASK_PRINT(r16, SCPU_BUS_IGAT); 186 DBG_BITMASK_PRINT(r16, SPTA_IR); 187 DBG_BITMASK_PRINT(r16, SPTA_TM); 188 DBG_BITMASK_PRINT(r16, SPTB_UR); 189 DBG_BITMASK_PRINT(r16, WAIT_CTL_SEL); 190 DBG_BITMASK_PRINT(r16, SMODE1); 191 DBG_BITMASK_PRINT(r16, SMODE0); 192 #undef DBG_BITMASK_PRINT 193 printf("\n"); 194 195 printf("SCPUCR (CPU Data Bus Control Register)\n"); 196 r16 = hd64461_reg_read_2(HD64461_SYSSCPUCR_REG16); 197 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSCPUCR_##m, #m) 198 DBG_BITMASK_PRINT(r16, SPDSTOF); 199 DBG_BITMASK_PRINT(r16, SPDSTIG); 200 DBG_BITMASK_PRINT(r16, SPCSTOF); 201 DBG_BITMASK_PRINT(r16, SPCSTIG); 202 DBG_BITMASK_PRINT(r16, SPBSTOF); 203 DBG_BITMASK_PRINT(r16, SPBSTIG); 204 DBG_BITMASK_PRINT(r16, SPASTOF); 205 DBG_BITMASK_PRINT(r16, SPASTIG); 206 DBG_BITMASK_PRINT(r16, SLCDSTIG); 207 DBG_BITMASK_PRINT(r16, SCPU_CS56_EP); 208 DBG_BITMASK_PRINT(r16, SCPU_CMD_EP); 209 DBG_BITMASK_PRINT(r16, SCPU_ADDR_EP); 210 DBG_BITMASK_PRINT(r16, SCPDPU); 211 DBG_BITMASK_PRINT(r16, SCPU_A2319_EP); 212 #undef DBG_BITMASK_PRINT 213 printf("\n"); 214 215 printf("\n"); 216 /* 217 * INTC 218 */ 219 printf("NIRR (Interrupt Request Register)\n"); 220 r16 = hd64461_reg_read_2(HD64461_INTCNIRR_REG16); 221 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_INTCNIRR_##m, #m) 222 DBG_BITMASK_PRINT(r16, PCC0R); 223 DBG_BITMASK_PRINT(r16, PCC1R); 224 DBG_BITMASK_PRINT(r16, AFER); 225 DBG_BITMASK_PRINT(r16, GPIOR); 226 DBG_BITMASK_PRINT(r16, TMU0R); 227 DBG_BITMASK_PRINT(r16, TMU1R); 228 DBG_BITMASK_PRINT(r16, IRDAR); 229 DBG_BITMASK_PRINT(r16, UARTR); 230 #undef DBG_BITMASK_PRINT 231 printf("\n"); 232 233 printf("NIMR (Interrupt Mask Register)\n"); 234 r16 = hd64461_reg_read_2(HD64461_INTCNIMR_REG16); 235 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_INTCNIMR_##m, #m) 236 DBG_BITMASK_PRINT(r16, PCC0M); 237 DBG_BITMASK_PRINT(r16, PCC1M); 238 DBG_BITMASK_PRINT(r16, AFEM); 239 DBG_BITMASK_PRINT(r16, GPIOM); 240 DBG_BITMASK_PRINT(r16, TMU0M); 241 DBG_BITMASK_PRINT(r16, TMU1M); 242 DBG_BITMASK_PRINT(r16, IRDAM); 243 DBG_BITMASK_PRINT(r16, UARTM); 244 #undef DBG_BITMASK_PRINT 245 printf("\n"); 246 247 dbg_banner_line(); 248 } 249 #endif /* DEBUG */ 250
Indexes created Wed Sep 24 05:09:52 GMT 2025