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/* $NetBSD: sbscd.c,v 1.20 2021/08/07 16:18:59 thorpej Exp $ */
/*
* Copyright 2000, 2001
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and copied only
* in accordance with the following terms and conditions. Subject to these
* conditions, you may download, copy, install, use, modify and distribute
* modified or unmodified copies of this software in source and/or binary
* form. No title or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce and
* retain this copyright notice and list of conditions as they appear in
* the source file.
*
* 2) No right is granted to use any trade name, trademark, or logo of
* Broadcom Corporation. The "Broadcom Corporation" name may not be
* used to endorse or promote products derived from this software
* without the prior written permission of Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
* LIABLE FOR 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), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sbscd.c,v 1.20 2021/08/07 16:18:59 thorpej Exp $");
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <mips/sibyte/include/sb1250_int.h>
#include <mips/sibyte/include/sb1250_regs.h>
#include <mips/sibyte/include/sb1250_scd.h>
#include <mips/sibyte/include/zbbusvar.h>
#include <mips/sibyte/dev/sbscdvar.h>
#include "locators.h"
static int sbscd_match(device_t, cfdata_t, void *);
static void sbscd_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(sbscd, 0,
sbscd_match, sbscd_attach, NULL, NULL);
static int sbscd_print(void *, const char *);
static const char *sbscd_device_type_name(enum sbscd_device_type type);
static const struct sbscd_attach_locs sb1250_sbscd_devs[] = {
#if 0
{ A_IMR_CPU0_BASE,
{ -1, -1 },
SBSCD_DEVTYPE_ICU },
#endif
{ A_SCD_WDOG_0,
{ K_INT_WATCHDOG_TIMER_0, -1 },
SBSCD_DEVTYPE_WDOG },
{ A_SCD_WDOG_1,
{ K_INT_WATCHDOG_TIMER_1, -1 },
SBSCD_DEVTYPE_WDOG },
{ A_SCD_TIMER_0,
{ K_INT_TIMER_0, -1 },
SBSCD_DEVTYPE_TIMER },
{ A_SCD_TIMER_1,
{ K_INT_TIMER_1, -1 },
SBSCD_DEVTYPE_TIMER },
{ A_SCD_TIMER_2,
{ K_INT_TIMER_2, -1 },
SBSCD_DEVTYPE_TIMER },
{ A_SCD_TIMER_3,
{ K_INT_TIMER_3, -1 },
SBSCD_DEVTYPE_TIMER },
{ A_SCD_JTAG_BASE + 0x1FFA0, /* XXX magic number for jtag addr */
{ -1, -1 },
SBSCD_DEVTYPE_JTAGCONS },
/* XXX others */
};
static const int sb1250_sbscd_dev_count = __arraycount(sb1250_sbscd_devs);
static int
sbscd_match(device_t parent, cfdata_t match, void *aux)
{
struct zbbus_attach_args *zap = aux;
if (zap->za_locs.za_type != ZBBUS_ENTTYPE_SCD)
return (0);
return 1;
}
static void
sbscd_attach(device_t parent, device_t self, void *aux)
{
struct sbscd_attach_args sa;
int i;
int locs[SBSCDCF_NLOCS];
aprint_normal("\n");
for (i = 0; i < sb1250_sbscd_dev_count; i++) {
memset(&sa, 0, sizeof sa);
sa.sa_locs = sb1250_sbscd_devs[i];
locs[SBSCDCF_OFFSET] = sb1250_sbscd_devs[i].sa_offset;
locs[SBSCDCF_INTR + 0] =
sb1250_sbscd_devs[i].sa_intr[0];
locs[SBSCDCF_INTR + 1] =
sb1250_sbscd_devs[i].sa_intr[1];
config_found(self, &sa, sbscd_print,
CFARGS(.submatch = config_stdsubmatch,
.locators = locs));
}
return;
}
int
sbscd_print(void *aux, const char *pnp)
{
struct sbscd_attach_args *sap = aux;
int i;
if (pnp)
aprint_normal("%s at %s",
sbscd_device_type_name(sap->sa_locs.sa_type), pnp);
aprint_normal(" offset 0x%lx", sap->sa_locs.sa_offset);
for (i = 0; i < 2; i++) {
if (sap->sa_locs.sa_intr[i] != -1)
aprint_normal("%s%d", i == 0 ? " intr " : ",",
sap->sa_locs.sa_intr[i]);
}
return (UNCONF);
}
static const char *
sbscd_device_type_name(enum sbscd_device_type type)
{
switch (type) {
case SBSCD_DEVTYPE_ICU:
return ("sbicu");
case SBSCD_DEVTYPE_WDOG:
return ("sbwdog");
case SBSCD_DEVTYPE_TIMER:
return ("sbtimer");
case SBSCD_DEVTYPE_JTAGCONS:
return ("sbjcn");
}
panic("sbscd_device_type_name");
return ("panic");
}
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