NetBSD-5.0.2/sys/arch/alpha/alpha/dec_kn300.c
/* $NetBSD: dec_kn300.c,v 1.34 2007/03/04 15:18:10 yamt Exp $ */
/*
* Copyright (c) 1998 by Matthew Jacob
* NASA AMES Research Center.
* All rights reserved.
*
* 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 immediately at the beginning of the file, without modification,
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 "opt_kgdb.h"
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: dec_kn300.c,v 1.34 2007/03/04 15:18:10 yamt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <sys/conf.h>
#include <dev/cons.h>
#include <machine/rpb.h>
#include <machine/alpha.h>
#include <machine/autoconf.h>
#include <machine/frame.h>
#include <machine/cpuconf.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <uvm/uvm_extern.h>
#include <alpha/mcbus/mcbusreg.h>
#include <alpha/mcbus/mcbusvar.h>
#include <alpha/pci/mcpciareg.h>
#include <alpha/pci/mcpciavar.h>
#include <alpha/pci/pci_kn300.h>
#include <machine/logout.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include "pckbd.h"
#ifndef CONSPEED
#define CONSPEED TTYDEF_SPEED
#endif
static int comcnrate = CONSPEED;
void dec_kn300_init __P((void));
void dec_kn300_cons_init __P((void));
static void dec_kn300_device_register __P((struct device *, void *));
static void dec_kn300_mcheck_handler
__P((unsigned long, struct trapframe *, unsigned long, unsigned long));
#ifdef KGDB
#include <machine/db_machdep.h>
static const char *kgdb_devlist[] = {
"com",
NULL,
};
#endif /* KGDB */
#define ALPHASERVER_4100 "AlphaServer 4100"
const struct alpha_variation_table dec_kn300_variations[] = {
{ 0, ALPHASERVER_4100 },
{ 0, NULL },
};
void
dec_kn300_init()
{
u_int64_t variation;
int cachesize;
platform.family = ALPHASERVER_4100;
if ((platform.model = alpha_dsr_sysname()) == NULL) {
variation = hwrpb->rpb_variation & SV_ST_MASK;
if ((platform.model = alpha_variation_name(variation,
dec_kn300_variations)) == NULL)
platform.model = alpha_unknown_sysname();
}
platform.iobus = "mcbus";
platform.cons_init = dec_kn300_cons_init;
platform.device_register = dec_kn300_device_register;
platform.mcheck_handler = dec_kn300_mcheck_handler;
/*
* Determine B-cache size by looking at the primary (console)
* MCPCIA's WHOAMI register.
*/
mcpcia_init();
if (mcbus_primary.mcbus_valid) {
switch (mcbus_primary.mcbus_bcache) {
default:
case CPU_BCache_0MB:
/* No B-cache or invalid; default to 1MB. */
/* FALLTHROUGH */
case CPU_BCache_1MB:
cachesize = (1 * 1024 * 1024);
break;
case CPU_BCache_2MB:
cachesize = (2 * 1024 * 1024);
break;
case CPU_BCache_4MB:
cachesize = (4 * 1024 * 1024);
break;
}
} else {
/* Default to 1MB. */
cachesize = (1 * 1024 * 1024);
}
uvmexp.ncolors = atop(cachesize);
}
void
dec_kn300_cons_init()
{
struct ctb *ctb;
struct mcpcia_config *ccp;
extern struct mcpcia_config mcpcia_console_configuration;
ccp = &mcpcia_console_configuration;
/* It's already initialized. */
ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off);
switch (ctb->ctb_term_type) {
case CTB_PRINTERPORT:
/* serial console ... */
/*
* Delay to allow PROM putchars to complete.
* FIFO depth * character time,
* character time = (1000000 / (defaultrate / 10))
*/
DELAY(160000000 / comcnrate);
if (comcnattach(&ccp->cc_iot, 0x3f8, comcnrate,
COM_FREQ, COM_TYPE_NORMAL,
(TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) {
panic("can't init serial console");
}
break;
case CTB_GRAPHICS:
#if NPCKBD > 0
/* display console ... */
/* XXX */
(void) pckbc_cnattach(&ccp->cc_iot, IO_KBD, KBCMDP,
PCKBC_KBD_SLOT);
if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) ==
CTB_TURBOSLOT_TYPE_ISA)
isa_display_console(&ccp->cc_iot, &ccp->cc_memt);
else
pci_display_console(&ccp->cc_iot, &ccp->cc_memt,
&ccp->cc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot),
CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0);
#else
panic("not configured to use display && keyboard console");
#endif
break;
default:
printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
panic("consinit: unknown console type %ld",
ctb->ctb_term_type);
}
#ifdef KGDB
/* Attach the KGDB device. */
alpha_kgdb_init(kgdb_devlist, &ccp->cc_iot);
#endif /* KGDB */
}
/* #define BDEBUG 1 */
static void
dec_kn300_device_register(dev, aux)
struct device *dev;
void *aux;
{
static int found, initted, diskboot, netboot;
static struct device *primarydev, *pcidev, *ctrlrdev;
struct bootdev_data *b = bootdev_data;
struct device *parent = device_parent(dev);
if (found)
return;
if (!initted) {
diskboot = (strcasecmp(b->protocol, "SCSI") == 0);
netboot = (strcasecmp(b->protocol, "BOOTP") == 0) ||
(strcasecmp(b->protocol, "MOP") == 0);
#ifdef BDEBUG
printf("proto:%s bus:%d slot:%d chan:%d", b->protocol,
b->bus, b->slot, b->channel);
if (b->remote_address)
printf(" remote_addr:%s", b->remote_address);
printf(" un:%d bdt:%d", b->unit, b->boot_dev_type);
if (b->ctrl_dev_type)
printf(" cdt:%s\n", b->ctrl_dev_type);
else
printf("\n");
printf("diskboot = %d, netboot = %d\n", diskboot, netboot);
#endif
initted = 1;
}
if (primarydev == NULL) {
if (!device_is_a(dev, "mcpcia"))
return;
else {
struct mcbus_dev_attach_args *ma = aux;
if (b->bus != ma->ma_mid - 4)
return;
primarydev = dev;
#ifdef BDEBUG
printf("\nprimarydev = %s\n", dev->dv_xname);
#endif
return;
}
}
if (pcidev == NULL) {
if (!device_is_a(dev, "pci"))
return;
/*
* Try to find primarydev anywhere in the ancestry. This is
* necessary if the PCI bus is hidden behind a bridge.
*/
while (parent) {
if (parent == primarydev)
break;
parent = device_parent(parent);
}
if (!parent)
return;
else {
struct pcibus_attach_args *pba = aux;
if ((b->slot / 1000) != pba->pba_bus)
return;
pcidev = dev;
#ifdef BDEBUG
printf("\npcidev = %s\n", dev->dv_xname);
#endif
return;
}
}
if (ctrlrdev == NULL) {
if (parent != pcidev)
return;
else {
struct pci_attach_args *pa = aux;
int slot;
slot = pa->pa_bus * 1000 + pa->pa_function * 100 +
pa->pa_device;
if (b->slot != slot)
return;
if (netboot) {
booted_device = dev;
#ifdef BDEBUG
printf("\nbooted_device = %s\n", dev->dv_xname);
#endif
found = 1;
} else {
ctrlrdev = dev;
#ifdef BDEBUG
printf("\nctrlrdev = %s\n", dev->dv_xname);
#endif
}
return;
}
}
if (!diskboot)
return;
if (device_is_a(dev, "sd") ||
device_is_a(dev, "st") ||
device_is_a(dev, "cd")) {
struct scsipibus_attach_args *sa = aux;
struct scsipi_periph *periph = sa->sa_periph;
int unit;
if (device_parent(parent) != ctrlrdev)
return;
unit = periph->periph_target * 100 + periph->periph_lun;
if (b->unit != unit)
return;
if (b->channel != periph->periph_channel->chan_channel)
return;
/* we've found it! */
booted_device = dev;
#ifdef BDEBUG
printf("\nbooted_device = %s\n", dev->dv_xname);
#endif
found = 1;
}
}
/*
* KN300 Machine Check Handlers.
*/
static void kn300_softerr __P((unsigned long, unsigned long,
unsigned long, struct trapframe *));
static void kn300_mcheck __P((unsigned long, unsigned long,
unsigned long, struct trapframe *));
/*
* "soft" error structure in system area for KN300 processor.
* It differs from the EV5 'common' structure in a minor but
* exceedingly stupid and annoying fashion.
*/
typedef struct {
/*
* Should be mc_cc_ev5 structure. Contents are the same,
* just in different places.
*/
u_int64_t ei_stat;
u_int64_t ei_addr;
u_int64_t fill_syndrome;
u_int64_t isr;
/*
* Platform Specific Area
*/
u_int32_t whami;
u_int32_t sys_env;
u_int64_t mcpcia_regs;
u_int32_t pci_rev;
u_int32_t mc_err0;
u_int32_t mc_err1;
u_int32_t cap_err;
u_int32_t mdpa_stat;
u_int32_t mdpa_syn;
u_int32_t mdpb_stat;
u_int32_t mdpb_syn;
u_int64_t end_rsvd;
} mc_soft300;
#define CAP_ERR_CRDX 204
static void
kn300_softerr(mces, type, logout, framep)
unsigned long mces;
unsigned long type;
unsigned long logout;
struct trapframe *framep;
{
static const char *sys = "system";
static const char *proc = "processor";
int whami;
mc_hdr_ev5 *hdr;
mc_soft300 *ptr;
static const char *fmt1 = " %-25s = 0x%l016x\n";
hdr = (mc_hdr_ev5 *) logout;
ptr = (mc_soft300 *) (logout + sizeof (*hdr));
whami = alpha_pal_whami();
printf("kn300: CPU ID %d %s correctable error corrected by %s\n", whami,
(type == ALPHA_SYS_ERROR)? sys : proc,
((hdr->mcheck_code & 0xff00) == (EV5_CORRECTED << 16))? proc :
(((hdr->mcheck_code & 0xff00) == (CAP_ERR_CRDX << 16)) ?
"I/O Bridge Module" : sys));
printf(" Machine Check Code 0x%lx\n", hdr->mcheck_code);
printf(" Physical Address of Error 0x%lx\n", ptr->ei_addr);
if (ptr->ei_stat & 0x80000000L)
printf(" Corrected ECC Error ");
else
printf(" Other Error");
if (ptr->ei_stat & 0x40000000L)
printf("in Memory ");
else
printf("in B-Cache ");
if (ptr->ei_stat & 0x400000000L)
printf("during I-Cache fill\n");
else
printf("during D-Cache fill\n");
printf(fmt1, "EI Status", ptr->ei_stat);
printf(fmt1, "Fill Syndrome", ptr->fill_syndrome);
printf(fmt1, "Interrupt Status Reg.", ptr->isr);
printf("\n");
printf(fmt1, "Whami Reg.", ptr->whami);
printf(fmt1, "Sys. Env. Reg.", ptr->sys_env);
printf(fmt1, "MCPCIA Regs.", ptr->mcpcia_regs);
printf(fmt1, "PCI Rev. Reg.", ptr->pci_rev);
printf(fmt1, "MC_ERR0 Reg.", ptr->mc_err0);
printf(fmt1, "MC_ERR1 Reg.", ptr->mc_err1);
printf(fmt1, "CAP_ERR Reg.", ptr->cap_err);
printf(fmt1, "MDPA_STAT Reg.", ptr->mdpa_stat);
printf(fmt1, "MDPA_SYN Reg.", ptr->mdpa_syn);
printf(fmt1, "MDPB_STAT Reg.", ptr->mdpb_stat);
printf(fmt1, "MDPB_SYN Reg.", ptr->mdpb_syn);
/*
* Clear error by rewriting register.
*/
alpha_pal_wrmces(mces);
}
/*
* KN300 specific machine check handler
*/
static void
kn300_mcheck(mces, type, logout, framep)
unsigned long mces;
unsigned long type;
unsigned long logout;
struct trapframe *framep;
{
struct mchkinfo *mcp;
static const char *fmt1 = " %-25s = 0x%l016x\n";
int i;
mc_hdr_ev5 *hdr;
mc_uc_ev5 *ptr;
struct mcpcia_iodsnap *iodsnp;
/*
* If we expected a machine check, just go handle it in common code.
*/
mcp = &curcpu()->ci_mcinfo;
if (mcp->mc_expected) {
machine_check(mces, framep, type, logout);
return;
}
hdr = (mc_hdr_ev5 *) logout;
ptr = (mc_uc_ev5 *) (logout + sizeof (*hdr));
ev5_logout_print(hdr, ptr);
iodsnp = (struct mcpcia_iodsnap *) ((unsigned long) hdr +
(unsigned long) hdr->la_system_offset);
for (i = 0; i < MCPCIA_PER_MCBUS; i++, iodsnp++) {
if (!IS_MCPCIA_MAGIC(iodsnp->pci_rev)) {
continue;
}
printf(" IOD %d register dump:\n", i);
printf(fmt1, "Base Addr of PCI bridge", iodsnp->base_addr);
printf(fmt1, "Whami Reg.", iodsnp->whami);
printf(fmt1, "Sys. Env. Reg.", iodsnp->sys_env);
printf(fmt1, "PCI Rev. Reg.", iodsnp->pci_rev);
printf(fmt1, "CAP_CTL Reg.", iodsnp->cap_ctrl);
printf(fmt1, "HAE_MEM Reg.", iodsnp->hae_mem);
printf(fmt1, "HAE_IO Reg.", iodsnp->hae_io);
printf(fmt1, "INT_CTL Reg.", iodsnp->int_ctl);
printf(fmt1, "INT_REG Reg.", iodsnp->int_reg);
printf(fmt1, "INT_MASK0 Reg.", iodsnp->int_mask0);
printf(fmt1, "INT_MASK1 Reg.", iodsnp->int_mask1);
printf(fmt1, "MC_ERR0 Reg.", iodsnp->mc_err0);
printf(fmt1, "MC_ERR1 Reg.", iodsnp->mc_err1);
printf(fmt1, "CAP_ERR Reg.", iodsnp->cap_err);
printf(fmt1, "PCI_ERR1 Reg.", iodsnp->pci_err1);
printf(fmt1, "MDPA_STAT Reg.", iodsnp->mdpa_stat);
printf(fmt1, "MDPA_SYN Reg.", iodsnp->mdpa_syn);
printf(fmt1, "MDPB_STAT Reg.", iodsnp->mdpb_stat);
printf(fmt1, "MDPB_SYN Reg.", iodsnp->mdpb_syn);
}
/*
* Now that we've printed all sorts of useful information
* and have decided that we really can't do any more to
* respond to the error, go on to the common code for
* final disposition. Usually this means that we die.
*/
/*
* XXX: HANDLE PCI ERRORS HERE?
*/
machine_check(mces, framep, type, logout);
}
static void
dec_kn300_mcheck_handler(mces, framep, vector, param)
unsigned long mces;
struct trapframe *framep;
unsigned long vector;
unsigned long param;
{
switch (vector) {
case ALPHA_SYS_ERROR:
case ALPHA_PROC_ERROR:
kn300_softerr(mces, vector, param, framep);
break;
case ALPHA_SYS_MCHECK:
case ALPHA_PROC_MCHECK:
kn300_mcheck(mces, vector, param, framep);
break;
default:
printf("KN300_MCHECK: unknown check vector 0x%lx\n", vector);
machine_check(mces, framep, vector, param);
break;
}
}