/*      $NetBSD: hd64461.c,v 1.26 2021/08/07 16:18:54 thorpej Exp $     */

/*-
* Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: hd64461.c,v 1.26 2021/08/07 16:18:54 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <sys/bus.h>

#include <machine/intr.h>
#include <machine/debug.h>

#include <hpcsh/dev/hd64461/hd64461reg.h>
#include <hpcsh/dev/hd64461/hd64461intcreg.h>
#include <hpcsh/dev/hd64461/hd64461var.h>

/* HD64461 modules. INTC, TIMER, POWER modules are included in hd64461if */
STATIC const struct hd64461_module {
       const char *name;
} hd64461_modules[] = {
       [HD64461_MODULE_VIDEO]          = { "hd64461video" },
       [HD64461_MODULE_PCMCIA]         = { "hd64461pcmcia" },
       [HD64461_MODULE_UART]           = { "hd64461uart" },
#if 0 /* there are no drivers, so don't bother */
       [HD64461_MODULE_GPIO]           = { "hd64461gpio" },
       [HD64461_MODULE_AFE]            = { "hd64461afe" },
       [HD64461_MODULE_FIR]            = { "hd64461fir" },
#endif
};

int use_afeck = 0;

STATIC int hd64461_match(device_t, cfdata_t, void *);
STATIC void hd64461_attach(device_t, device_t, void *);
STATIC int hd64461_print(void *, const char *);
#ifdef DEBUG
STATIC void hd64461_info(void);
#endif

CFATTACH_DECL_NEW(hd64461if, 0,
   hd64461_match, hd64461_attach, NULL, NULL);

STATIC int
hd64461_match(device_t parent, cfdata_t cf, void *aux)
{

       switch (cpu_product) {
       case CPU_PRODUCT_7709:
       case CPU_PRODUCT_7709A:
               break;

       default:
               return (0);     /* HD64461 only supports SH7709 interface */
       }

       if (strcmp("hd64461if", cf->cf_name) != 0)
               return (0);

       return (1);
}

STATIC void
hd64461_attach(device_t parent, device_t self, void *aux)
{
       struct hd64461_attach_args ha;
       const struct hd64461_module *module;
       uint16_t stbcr;
       int i;

       aprint_naive("\n");
       aprint_normal("\n");
#ifdef DEBUG
       if (bootverbose)
               hd64461_info();
#endif

       stbcr = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16);

       /* we don't use TIMER */
       stbcr |= HD64461_SYSSTBCR_STM0ST | HD64461_SYSSTBCR_STM1ST;

       /* no drivers for FIR and AFE */
       stbcr |= HD64461_SYSSTBCR_SIRST | HD64461_SYSSTBCR_SAFEST;

       if (!use_afeck)
               stbcr |=
                   HD64461_SYSSTBCR_SAFECKE_IST | HD64461_SYSSTBCR_SAFECKE_OST;

       hd64461_reg_write_2(HD64461_SYSSTBCR_REG16, stbcr);


       /* Attach all sub modules */
       for (i = 0; i < __arraycount(hd64461_modules); ++i) {
               module = &hd64461_modules[i];
               if (module->name == NULL)
                       continue;
               ha.ha_module_id = i;
               config_found(self, &ha, hd64461_print, CFARGS_NONE);
       }

       /* XXX: TODO */
       if (!pmf_device_register(self, NULL, NULL))
               aprint_error_dev(self, "unable to establish power handler\n");
}

STATIC int
hd64461_print(void *aux, const char *pnp)
{
       struct hd64461_attach_args *ha = aux;

       if (pnp)
               aprint_normal("%s at %s",
                   hd64461_modules[ha->ha_module_id].name, pnp);

       return (UNCONF);
}


#ifdef DEBUG

STATIC void
hd64461_info(void)
{
       uint16_t r16;

       dbg_banner_function();

       /*
        * System
        */
       printf("STBCR (Standby Control Register)\n");
       r16 = hd64461_reg_read_2(HD64461_SYSSTBCR_REG16);
#define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSTBCR_##m, #m)
       DBG_BITMASK_PRINT(r16, CKIO_STBY);
       DBG_BITMASK_PRINT(r16, SAFECKE_IST);
       DBG_BITMASK_PRINT(r16, SLCKE_IST);
       DBG_BITMASK_PRINT(r16, SAFECKE_OST);
       DBG_BITMASK_PRINT(r16, SLCKE_OST);
       DBG_BITMASK_PRINT(r16, SMIAST);
       DBG_BITMASK_PRINT(r16, SLCDST);
       DBG_BITMASK_PRINT(r16, SPC0ST);
       DBG_BITMASK_PRINT(r16, SPC1ST);
       DBG_BITMASK_PRINT(r16, SAFEST);
       DBG_BITMASK_PRINT(r16, STM0ST);
       DBG_BITMASK_PRINT(r16, STM1ST);
       DBG_BITMASK_PRINT(r16, SIRST);
       DBG_BITMASK_PRINT(r16, SURTSD);
#undef DBG_BITMASK_PRINT
       printf("\n");

       printf("SYSCR (System Configuration Register)\n");
       r16 = hd64461_reg_read_2(HD64461_SYSSYSCR_REG16);
#define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSYSCR_##m, #m)
       DBG_BITMASK_PRINT(r16, SCPU_BUS_IGAT);
       DBG_BITMASK_PRINT(r16, SPTA_IR);
       DBG_BITMASK_PRINT(r16, SPTA_TM);
       DBG_BITMASK_PRINT(r16, SPTB_UR);
       DBG_BITMASK_PRINT(r16, WAIT_CTL_SEL);
       DBG_BITMASK_PRINT(r16, SMODE1);
       DBG_BITMASK_PRINT(r16, SMODE0);
#undef DBG_BITMASK_PRINT
       printf("\n");

       printf("SCPUCR (CPU Data Bus Control Register)\n");
       r16 = hd64461_reg_read_2(HD64461_SYSSCPUCR_REG16);
#define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_SYSSCPUCR_##m, #m)
       DBG_BITMASK_PRINT(r16, SPDSTOF);
       DBG_BITMASK_PRINT(r16, SPDSTIG);
       DBG_BITMASK_PRINT(r16, SPCSTOF);
       DBG_BITMASK_PRINT(r16, SPCSTIG);
       DBG_BITMASK_PRINT(r16, SPBSTOF);
       DBG_BITMASK_PRINT(r16, SPBSTIG);
       DBG_BITMASK_PRINT(r16, SPASTOF);
       DBG_BITMASK_PRINT(r16, SPASTIG);
       DBG_BITMASK_PRINT(r16, SLCDSTIG);
       DBG_BITMASK_PRINT(r16, SCPU_CS56_EP);
       DBG_BITMASK_PRINT(r16, SCPU_CMD_EP);
       DBG_BITMASK_PRINT(r16, SCPU_ADDR_EP);
       DBG_BITMASK_PRINT(r16, SCPDPU);
       DBG_BITMASK_PRINT(r16, SCPU_A2319_EP);
#undef DBG_BITMASK_PRINT
       printf("\n");

       printf("\n");
       /*
        * INTC
        */
       printf("NIRR (Interrupt Request Register)\n");
       r16 = hd64461_reg_read_2(HD64461_INTCNIRR_REG16);
#define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_INTCNIRR_##m, #m)
       DBG_BITMASK_PRINT(r16, PCC0R);
       DBG_BITMASK_PRINT(r16, PCC1R);
       DBG_BITMASK_PRINT(r16, AFER);
       DBG_BITMASK_PRINT(r16, GPIOR);
       DBG_BITMASK_PRINT(r16, TMU0R);
       DBG_BITMASK_PRINT(r16, TMU1R);
       DBG_BITMASK_PRINT(r16, IRDAR);
       DBG_BITMASK_PRINT(r16, UARTR);
#undef DBG_BITMASK_PRINT
       printf("\n");

       printf("NIMR (Interrupt Mask Register)\n");
       r16 = hd64461_reg_read_2(HD64461_INTCNIMR_REG16);
#define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_INTCNIMR_##m, #m)
       DBG_BITMASK_PRINT(r16, PCC0M);
       DBG_BITMASK_PRINT(r16, PCC1M);
       DBG_BITMASK_PRINT(r16, AFEM);
       DBG_BITMASK_PRINT(r16, GPIOM);
       DBG_BITMASK_PRINT(r16, TMU0M);
       DBG_BITMASK_PRINT(r16, TMU1M);
       DBG_BITMASK_PRINT(r16, IRDAM);
       DBG_BITMASK_PRINT(r16, UARTM);
#undef DBG_BITMASK_PRINT
       printf("\n");

       dbg_banner_line();
}
#endif /* DEBUG */

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.