mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-08-08 05:29:10 -04:00
250 lines
7.1 KiB
C
250 lines
7.1 KiB
C
/* $NetBSD: hd64461.c,v 1.24 2011/07/19 15:30:52 dyoung 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 1.24 2011/07/19 15:30:52 dyoung 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);
|
|
}
|
|
|
|
/* 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 */
|