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hd64461.c revision 1.19.14.1
      1  1.19.14.1      jym /*	$NetBSD: hd64461.c,v 1.19.14.1 2009/05/13 17:17:47 jym Exp $	*/
      2        1.1      uch 
      3        1.1      uch /*-
      4        1.3      uch  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
      5        1.1      uch  * All rights reserved.
      6        1.1      uch  *
      7        1.1      uch  * This code is derived from software contributed to The NetBSD Foundation
      8        1.1      uch  * by UCHIYAMA Yasushi.
      9        1.1      uch  *
     10        1.1      uch  * Redistribution and use in source and binary forms, with or without
     11        1.1      uch  * modification, are permitted provided that the following conditions
     12        1.1      uch  * are met:
     13        1.1      uch  * 1. Redistributions of source code must retain the above copyright
     14        1.1      uch  *    notice, this list of conditions and the following disclaimer.
     15        1.1      uch  * 2. Redistributions in binary form must reproduce the above copyright
     16        1.1      uch  *    notice, this list of conditions and the following disclaimer in the
     17        1.1      uch  *    documentation and/or other materials provided with the distribution.
     18        1.1      uch  *
     19        1.1      uch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20        1.1      uch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21        1.1      uch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22        1.1      uch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23        1.1      uch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24        1.1      uch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25        1.1      uch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26        1.1      uch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27        1.1      uch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28        1.1      uch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29        1.1      uch  * POSSIBILITY OF SUCH DAMAGE.
     30        1.1      uch  */
     31       1.13    lukem 
     32       1.13    lukem #include <sys/cdefs.h>
     33  1.19.14.1      jym __KERNEL_RCSID(0, "$NetBSD: hd64461.c,v 1.19.14.1 2009/05/13 17:17:47 jym Exp $");
     34        1.1      uch 
     35        1.1      uch #include <sys/param.h>
     36        1.1      uch #include <sys/systm.h>
     37        1.1      uch #include <sys/device.h>
     38       1.16      uwe #include <sys/reboot.h>
     39        1.1      uch 
     40        1.1      uch #include <machine/bus.h>
     41        1.1      uch #include <machine/intr.h>
     42        1.4      uch #include <machine/debug.h>
     43        1.1      uch 
     44  1.19.14.1      jym #include <hpcsh/dev/hd64461/hd64461reg.h>
     45  1.19.14.1      jym #include <hpcsh/dev/hd64461/hd64461intcreg.h>
     46        1.1      uch #include <hpcsh/dev/hd64461/hd64461var.h>
     47        1.1      uch 
     48        1.1      uch /* HD64461 modules. INTC, TIMER, POWER modules are included in hd64461if */
     49  1.19.14.1      jym STATIC const struct hd64461_module {
     50        1.1      uch 	const char *name;
     51        1.1      uch } hd64461_modules[] = {
     52        1.1      uch 	[HD64461_MODULE_VIDEO]		= { "hd64461video" },
     53        1.1      uch 	[HD64461_MODULE_PCMCIA]		= { "hd64461pcmcia" },
     54  1.19.14.1      jym 	[HD64461_MODULE_UART]		= { "hd64461uart" },
     55  1.19.14.1      jym #if 0 /* there are no drivers, so don't bother */
     56        1.1      uch 	[HD64461_MODULE_GPIO]		= { "hd64461gpio" },
     57        1.1      uch 	[HD64461_MODULE_AFE]		= { "hd64461afe" },
     58        1.1      uch 	[HD64461_MODULE_FIR]		= { "hd64461fir" },
     59  1.19.14.1      jym #endif
     60        1.1      uch };
     61        1.1      uch 
     62       1.18      uwe STATIC int hd64461_match(device_t, cfdata_t, void *);
     63       1.18      uwe STATIC void hd64461_attach(device_t, device_t, void *);
     64        1.3      uch STATIC int hd64461_print(void *, const char *);
     65        1.7      uch #ifdef DEBUG
     66        1.7      uch STATIC void hd64461_info(void);
     67        1.7      uch #endif
     68        1.1      uch 
     69       1.18      uwe CFATTACH_DECL_NEW(hd64461if, 0,
     70       1.11  thorpej     hd64461_match, hd64461_attach, NULL, NULL);
     71        1.1      uch 
     72       1.15      uwe STATIC int
     73       1.18      uwe hd64461_match(device_t parent, cfdata_t cf, void *aux)
     74        1.1      uch {
     75        1.5      uch 
     76        1.5      uch 	switch (cpu_product) {
     77        1.5      uch 	case CPU_PRODUCT_7709:
     78        1.5      uch 	case CPU_PRODUCT_7709A:
     79        1.5      uch 		break;
     80       1.16      uwe 
     81       1.16      uwe 	default:
     82       1.16      uwe 		return (0);	/* HD64461 only supports SH7709 interface */
     83        1.5      uch 	}
     84        1.1      uch 
     85  1.19.14.1      jym 	if (strcmp("hd64461if", cf->cf_name) != 0)
     86        1.1      uch 		return (0);
     87        1.1      uch 
     88        1.1      uch 	return (1);
     89        1.1      uch }
     90        1.1      uch 
     91       1.15      uwe STATIC void
     92       1.18      uwe hd64461_attach(device_t parent, device_t self, void *aux)
     93        1.1      uch {
     94        1.7      uch 	struct hd64461_attach_args ha;
     95  1.19.14.1      jym 	const struct hd64461_module *module;
     96  1.19.14.1      jym 	uint16_t stbcr;
     97        1.7      uch 	int i;
     98        1.1      uch 
     99       1.18      uwe 	aprint_naive("\n");
    100       1.18      uwe 	aprint_normal("\n");
    101        1.1      uch #ifdef DEBUG
    102        1.1      uch 	if (bootverbose)
    103        1.7      uch 		hd64461_info();
    104        1.1      uch #endif
    105        1.1      uch 
    106  1.19.14.1      jym 	stbcr = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16);
    107  1.19.14.1      jym 
    108  1.19.14.1      jym 	/* we don't use TIMER */
    109  1.19.14.1      jym 	stbcr |= HD64461_SYSSTBCR_STM0ST | HD64461_SYSSTBCR_STM1ST;
    110  1.19.14.1      jym 
    111  1.19.14.1      jym 	/* no drivers for FIR and AFE */
    112  1.19.14.1      jym 	stbcr |= HD64461_SYSSTBCR_SIRST
    113  1.19.14.1      jym 		| HD64461_SYSSTBCR_SAFEST
    114  1.19.14.1      jym 		| HD64461_SYSSTBCR_SAFECKE_IST
    115  1.19.14.1      jym 		| HD64461_SYSSTBCR_SAFECKE_OST;
    116  1.19.14.1      jym 
    117  1.19.14.1      jym 	hd64461_reg_write_2(HD64461_SYSSTBCR_REG16, stbcr);
    118  1.19.14.1      jym 
    119  1.19.14.1      jym 
    120        1.7      uch 	/* Attach all sub modules */
    121  1.19.14.1      jym 	for (i = 0; i < __arraycount(hd64461_modules); ++i) {
    122  1.19.14.1      jym 		module = &hd64461_modules[i];
    123  1.19.14.1      jym 		if (module->name == NULL)
    124        1.1      uch 			continue;
    125        1.1      uch 		ha.ha_module_id = i;
    126        1.7      uch 		config_found(self, &ha, hd64461_print);
    127        1.7      uch 	}
    128  1.19.14.1      jym 
    129  1.19.14.1      jym 	/* XXX: TODO */
    130  1.19.14.1      jym 	if (!pmf_device_register(self, NULL, NULL))
    131  1.19.14.1      jym 		aprint_error_dev(self, "unable to establish power handler\n");
    132        1.1      uch }
    133        1.1      uch 
    134       1.15      uwe STATIC int
    135        1.1      uch hd64461_print(void *aux, const char *pnp)
    136        1.1      uch {
    137        1.1      uch 	struct hd64461_attach_args *ha = aux;
    138        1.1      uch 
    139        1.1      uch 	if (pnp)
    140       1.12  thorpej 		aprint_normal("%s at %s",
    141        1.2      uch 		    hd64461_modules[ha->ha_module_id].name, pnp);
    142        1.1      uch 
    143        1.1      uch 	return (UNCONF);
    144        1.1      uch }
    145        1.1      uch 
    146       1.16      uwe 
    147        1.1      uch #ifdef DEBUG
    148       1.16      uwe 
    149       1.15      uwe STATIC void
    150       1.15      uwe hd64461_info(void)
    151        1.1      uch {
    152       1.15      uwe 	uint16_t r16;
    153        1.1      uch 
    154        1.3      uch 	dbg_banner_function();
    155        1.1      uch 
    156        1.1      uch 	/*
    157        1.1      uch 	 * System
    158        1.1      uch 	 */
    159       1.17      uwe 	printf("STBCR (Standby Control Register)\n");
    160        1.1      uch 	r16 = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16);
    161        1.3      uch #define DBG_BITMASK_PRINT(r, m)	dbg_bitmask_print(r, HD64461_SYSSTBCR_##m, #m)
    162        1.3      uch 	DBG_BITMASK_PRINT(r16, CKIO_STBY);
    163        1.3      uch 	DBG_BITMASK_PRINT(r16, SAFECKE_IST);
    164        1.3      uch 	DBG_BITMASK_PRINT(r16, SLCKE_IST);
    165        1.3      uch 	DBG_BITMASK_PRINT(r16, SAFECKE_OST);
    166        1.3      uch 	DBG_BITMASK_PRINT(r16, SLCKE_OST);
    167        1.3      uch 	DBG_BITMASK_PRINT(r16, SMIAST);
    168        1.3      uch 	DBG_BITMASK_PRINT(r16, SLCDST);
    169        1.3      uch 	DBG_BITMASK_PRINT(r16, SPC0ST);
    170        1.3      uch 	DBG_BITMASK_PRINT(r16, SPC1ST);
    171        1.3      uch 	DBG_BITMASK_PRINT(r16, SAFEST);
    172        1.3      uch 	DBG_BITMASK_PRINT(r16, STM0ST);
    173        1.3      uch 	DBG_BITMASK_PRINT(r16, STM1ST);
    174        1.3      uch 	DBG_BITMASK_PRINT(r16, SIRST);
    175        1.3      uch 	DBG_BITMASK_PRINT(r16, SURTSD);
    176        1.3      uch #undef DBG_BITMASK_PRINT
    177        1.1      uch 	printf("\n");
    178        1.1      uch 
    179        1.1      uch 	printf("SYSCR (System Configuration Register)\n");
    180        1.1      uch 	r16 = hd64461_reg_read_2(HD64461_SYSSYSCR_REG16);
    181        1.3      uch #define DBG_BITMASK_PRINT(r, m)	dbg_bitmask_print(r, HD64461_SYSSYSCR_##m, #m)
    182        1.3      uch 	DBG_BITMASK_PRINT(r16, SCPU_BUS_IGAT);
    183        1.3      uch 	DBG_BITMASK_PRINT(r16, SPTA_IR);
    184        1.3      uch 	DBG_BITMASK_PRINT(r16, SPTA_TM);
    185        1.3      uch 	DBG_BITMASK_PRINT(r16, SPTB_UR);
    186        1.3      uch 	DBG_BITMASK_PRINT(r16, WAIT_CTL_SEL);
    187        1.3      uch 	DBG_BITMASK_PRINT(r16, SMODE1);
    188        1.3      uch 	DBG_BITMASK_PRINT(r16, SMODE0);
    189        1.3      uch #undef DBG_BITMASK_PRINT
    190        1.1      uch 	printf("\n");
    191        1.1      uch 
    192        1.1      uch 	printf("SCPUCR (CPU Data Bus Control Register)\n");
    193        1.1      uch 	r16 = hd64461_reg_read_2(HD64461_SYSSCPUCR_REG16);
    194        1.3      uch #define DBG_BITMASK_PRINT(r, m)	dbg_bitmask_print(r, HD64461_SYSSCPUCR_##m, #m)
    195        1.3      uch 	DBG_BITMASK_PRINT(r16, SPDSTOF);
    196        1.3      uch 	DBG_BITMASK_PRINT(r16, SPDSTIG);
    197        1.3      uch 	DBG_BITMASK_PRINT(r16, SPCSTOF);
    198        1.3      uch 	DBG_BITMASK_PRINT(r16, SPCSTIG);
    199        1.3      uch 	DBG_BITMASK_PRINT(r16, SPBSTOF);
    200        1.3      uch 	DBG_BITMASK_PRINT(r16, SPBSTIG);
    201        1.3      uch 	DBG_BITMASK_PRINT(r16, SPASTOF);
    202        1.3      uch 	DBG_BITMASK_PRINT(r16, SPASTIG);
    203        1.3      uch 	DBG_BITMASK_PRINT(r16, SLCDSTIG);
    204        1.3      uch 	DBG_BITMASK_PRINT(r16, SCPU_CS56_EP);
    205        1.3      uch 	DBG_BITMASK_PRINT(r16, SCPU_CMD_EP);
    206        1.3      uch 	DBG_BITMASK_PRINT(r16, SCPU_ADDR_EP);
    207        1.3      uch 	DBG_BITMASK_PRINT(r16, SCPDPU);
    208        1.3      uch 	DBG_BITMASK_PRINT(r16, SCPU_A2319_EP);
    209        1.3      uch #undef DBG_BITMASK_PRINT
    210        1.1      uch 	printf("\n");
    211        1.1      uch 
    212        1.1      uch 	printf("\n");
    213        1.1      uch 	/*
    214        1.1      uch 	 * INTC
    215        1.1      uch 	 */
    216        1.1      uch 	printf("NIRR (Interrupt Request Register)\n");
    217        1.1      uch 	r16 = hd64461_reg_read_2(HD64461_INTCNIRR_REG16);
    218        1.3      uch #define DBG_BITMASK_PRINT(r, m)	dbg_bitmask_print(r, HD64461_INTCNIRR_##m, #m)
    219        1.3      uch 	DBG_BITMASK_PRINT(r16, PCC0R);
    220        1.3      uch 	DBG_BITMASK_PRINT(r16, PCC1R);
    221        1.3      uch 	DBG_BITMASK_PRINT(r16, AFER);
    222        1.3      uch 	DBG_BITMASK_PRINT(r16, GPIOR);
    223        1.3      uch 	DBG_BITMASK_PRINT(r16, TMU0R);
    224        1.3      uch 	DBG_BITMASK_PRINT(r16, TMU1R);
    225        1.3      uch 	DBG_BITMASK_PRINT(r16, IRDAR);
    226        1.3      uch 	DBG_BITMASK_PRINT(r16, UARTR);
    227        1.3      uch #undef DBG_BITMASK_PRINT
    228        1.1      uch 	printf("\n");
    229        1.1      uch 
    230        1.1      uch 	printf("NIMR (Interrupt Mask Register)\n");
    231        1.1      uch 	r16 = hd64461_reg_read_2(HD64461_INTCNIMR_REG16);
    232        1.3      uch #define DBG_BITMASK_PRINT(r, m)	dbg_bitmask_print(r, HD64461_INTCNIMR_##m, #m)
    233        1.3      uch 	DBG_BITMASK_PRINT(r16, PCC0M);
    234        1.3      uch 	DBG_BITMASK_PRINT(r16, PCC1M);
    235        1.3      uch 	DBG_BITMASK_PRINT(r16, AFEM);
    236        1.3      uch 	DBG_BITMASK_PRINT(r16, GPIOM);
    237        1.3      uch 	DBG_BITMASK_PRINT(r16, TMU0M);
    238        1.3      uch 	DBG_BITMASK_PRINT(r16, TMU1M);
    239        1.3      uch 	DBG_BITMASK_PRINT(r16, IRDAM);
    240        1.3      uch 	DBG_BITMASK_PRINT(r16, UARTM);
    241        1.3      uch #undef DBG_BITMASK_PRINT
    242        1.1      uch 	printf("\n");
    243        1.1      uch 
    244        1.3      uch 	dbg_banner_line();
    245        1.1      uch }
    246        1.1      uch #endif /* DEBUG */
    247