1 /* $NetBSD: hd64465.c,v 1.8 2002/10/21 17:07:36 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 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/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 #include <sys/boot_flag.h> 43 44 #include <machine/bus.h> 45 #include <machine/intr.h> 46 #include <machine/debug.h> 47 48 #include <sh3/intcreg.h> 49 #include <hpcsh/dev/hd64465/hd64465var.h> 50 #include <hpcsh/dev/hd64465/hd64465reg.h> 51 #include <hpcsh/dev/hd64465/hd64465intcreg.h> 52 53 /* HD64465 modules. */ 54 STATIC const struct hd64465_module { 55 const char *name; 56 } hd64465_modules[] = { 57 [HD64465_MODULE_PS2IF] = { "hd64465ps2if" }, 58 [HD64465_MODULE_PCMCIA] = { "hd64465pcmcia" }, 59 [HD64465_MODULE_AFE] = { "hd64465afe" }, 60 [HD64465_MODULE_GPIO] = { "hd64465gpio" }, 61 [HD64465_MODULE_KBC] = { "hd64465kbc" }, 62 [HD64465_MODULE_IRDA] = { "hd64465irda" }, 63 [HD64465_MODULE_UART] = { "hd64465uart" }, 64 [HD64465_MODULE_PARALEL] = { "hd64465paralel" }, 65 [HD64465_MODULE_CODEC] = { "hd64465codec" }, 66 [HD64465_MODULE_OHCI] = { "hd64465ohci" }, 67 [HD64465_MODULE_ADC] = { "hd64465adc" } 68 }; 69 #define HD64465_NMODULE \ 70 (sizeof hd64465_modules / sizeof(struct hd64465_module)) 71 72 STATIC int hd64465_match(struct device *, struct cfdata *, void *); 73 STATIC void hd64465_attach(struct device *, struct device *, void *); 74 STATIC int hd64465_print(void *, const char *); 75 #ifdef DEBUG 76 STATIC void hd64465_info(void); 77 #endif 78 79 CFATTACH_DECL(hd64465if, sizeof(struct device), 80 hd64465_match, hd64465_attach, NULL, NULL); 81 82 int 83 hd64465_match(struct device *parent, struct cfdata *cf, void *aux) 84 { 85 86 if (strcmp("hd64465if", cf->cf_name)) 87 return (0); 88 89 if (hd64465_reg_read_2(HD64465_SDIDR) != 0x8122) { 90 /* not HD64465 */ 91 return (0); 92 } 93 94 return (1); 95 } 96 97 void 98 hd64465_attach(struct device *parent, struct device *self, void *aux) 99 { 100 const struct hd64465_module *module; 101 struct hd64465_attach_args ha; 102 u_int16_t r; 103 int i; 104 105 printf("\n"); 106 #ifdef DEBUG 107 if (bootverbose) 108 hd64465_info(); 109 #endif 110 111 r = hd64465_reg_read_2(HD64465_SRR); 112 printf("%s: HITACHI HD64465 rev. %d.%d\n", self->dv_xname, 113 (r >> 8) & 0xff, r & 0xff); 114 115 /* Mask all interrupt */ 116 hd64465_reg_write_2(HD64465_NIMR, 0xffff); 117 /* Edge trigger mode to clear pending interrupt. */ 118 hd64465_reg_write_2(HD64465_NITR, 0xffff); 119 /* Clear pending interrupt */ 120 hd64465_reg_write_2(HD64465_NIRR, 0x0000); 121 122 /* Attach all sub modules */ 123 for (i = 0, module = hd64465_modules; i < HD64465_NMODULE; 124 i++, module++) { 125 if (module->name == 0) 126 continue; 127 ha.ha_module_id = i; 128 config_found(self, &ha, hd64465_print); 129 } 130 } 131 132 int 133 hd64465_print(void *aux, const char *pnp) 134 { 135 struct hd64465_attach_args *ha = aux; 136 137 if (pnp) 138 printf("%s at %s", hd64465_modules[ha->ha_module_id].name, pnp); 139 140 return (UNCONF); 141 } 142 143 void * 144 hd64465_intr_establish(int irq, int mode, int level, 145 int (*func)(void *), void *arg) 146 { 147 u_int16_t r; 148 int s; 149 150 s = splhigh(); 151 /* Trigger type */ 152 r = hd64465_reg_read_2(HD64465_NITR); 153 switch (mode) { 154 case IST_PULSE: 155 /* FALLTHROUGH */ 156 case IST_EDGE: 157 r |= irq; 158 break; 159 case IST_LEVEL: 160 r &= ~irq; 161 break; 162 } 163 hd64465_reg_write_2(HD64465_NITR, r); 164 165 hd6446x_intr_establish(irq, mode, level, func, arg); 166 splx(s); 167 168 return (void *)irq; 169 } 170 171 void 172 hd64465_intr_disestablish(void *handle) 173 { 174 175 hd6446x_intr_disestablish(handle); 176 } 177 178 /* For the sake of Windows CE reboot clearly. */ 179 void 180 hd64465_shutdown() 181 { 182 183 /* Enable all interrupt */ 184 hd64465_reg_write_2(HD64465_NIMR, 0x0000); 185 186 /* Level trigger mode */ 187 hd64465_reg_write_2(HD64465_NITR, 0x0000); 188 } 189 190 void 191 hd64465_info() 192 { 193 u_int16_t r; 194 195 dbg_bit_print_msg(_reg_read_2(SH4_ICR), "SH4_ICR"); 196 r = hd64465_reg_read_2(HD64465_NIMR); 197 dbg_bit_print_msg(r, "NIMR"); 198 r = hd64465_reg_read_2(HD64465_NIRR); 199 dbg_bit_print_msg(r, "NIRR"); 200 r = hd64465_reg_read_2(HD64465_NITR); 201 dbg_bit_print_msg(r, "NITR"); 202 } 203