NetBSD-5.0.2/sys/arch/alpha/alpha/dec_kn8ae.c
/* $NetBSD: dec_kn8ae.c,v 1.37 2007/03/04 05:59:10 christos Exp $ */
/*
* Copyright (c) 1997 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 <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: dec_kn8ae.c,v 1.37 2007/03/04 05:59:10 christos 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/autoconf.h>
#include <machine/cpuconf.h>
#include <machine/frame.h>
#include <machine/alpha.h>
#include <machine/logout.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/isa/isavar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <alpha/tlsb/tlsbreg.h>
#include <alpha/tlsb/tlsbvar.h>
#include <alpha/tlsb/kftxxreg.h>
#include <alpha/tlsb/kftxxvar.h>
#define KV(_addr) ((void *)ALPHA_PHYS_TO_K0SEG((_addr)))
void dec_kn8ae_init __P((void));
void dec_kn8ae_cons_init __P((void));
static void dec_kn8ae_device_register __P((struct device *, void *));
static void dec_kn8ae_mcheck_handler
__P((unsigned long, struct trapframe *, unsigned long, unsigned long));
const struct alpha_variation_table dec_kn8ae_variations[] = {
{ 0, "AlphaServer 8400" },
{ 0, NULL },
};
void
dec_kn8ae_init()
{
u_int64_t variation;
platform.family = "AlphaServer 8400";
if ((platform.model = alpha_dsr_sysname()) == NULL) {
variation = hwrpb->rpb_variation & SV_ST_MASK;
if ((platform.model = alpha_variation_name(variation,
dec_kn8ae_variations)) == NULL)
platform.model = alpha_unknown_sysname();
}
platform.iobus = "tlsb";
platform.cons_init = dec_kn8ae_cons_init;
platform.device_register = dec_kn8ae_device_register;
platform.mcheck_handler = dec_kn8ae_mcheck_handler;
}
void
dec_kn8ae_cons_init()
{
/*
* Info to retain:
*
* The AXP 8X00 seems to encode the
* type of console in the ctb_type field,
* not the ctb_term_type field.
*
* XXX Not Type 4 CTB?
*/
}
/* #define BDEBUG 1 */
static void
dec_kn8ae_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);
#if 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, "dwlpx"))
return;
else {
struct kft_dev_attach_args *ka = aux;
if (b->bus != ka->ka_hosenum)
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;
#if 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;
#if 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;
#if BDEBUG
printf("\nbooted_device = %s\n", dev->dv_xname);
#endif
found = 1;
}
}
/*
* KN8AE Machine Check Handlers.
*/
void kn8ae_harderr __P((unsigned long, unsigned long,
unsigned long, struct trapframe *));
static void kn8ae_softerr __P((unsigned long, unsigned long,
unsigned long, struct trapframe *));
void kn8ae_mcheck __P((unsigned long, unsigned long,
unsigned long, struct trapframe *));
/*
* Support routine for clearing errors
*/
static void clear_tlsb_ebits __P((int));
static void
clear_tlsb_ebits(cpuonly)
int cpuonly;
{
int node;
u_int32_t tldev;
for (node = 0; node <= TLSB_NODE_MAX; ++node) {
if ((tlsb_found & (1 << node)) == 0)
continue;
tldev = TLSB_GET_NODEREG(node, TLDEV);
if (tldev == 0) {
/* "cannot happen" */
continue;
}
/*
* Registers to clear for all nodes.
*/
if (TLSB_GET_NODEREG(node, TLBER) &
(TLBER_UDE|TLBER_CWDE|TLBER_CRDE)) {
TLSB_PUT_NODEREG(node, TLESR0,
TLSB_GET_NODEREG(node, TLESR0));
TLSB_PUT_NODEREG(node, TLESR1,
TLSB_GET_NODEREG(node, TLESR1));
TLSB_PUT_NODEREG(node, TLESR2,
TLSB_GET_NODEREG(node, TLESR2));
TLSB_PUT_NODEREG(node, TLESR3,
TLSB_GET_NODEREG(node, TLESR3));
}
TLSB_PUT_NODEREG(node, TLBER,
TLSB_GET_NODEREG(node, TLBER));
TLSB_PUT_NODEREG(node, TLFADR0,
TLSB_GET_NODEREG(node, TLFADR0));
TLSB_PUT_NODEREG(node, TLFADR1,
TLSB_GET_NODEREG(node, TLFADR1));
if (TLDEV_ISCPU(tldev)) {
TLSB_PUT_NODEREG(node, TLEPAERR,
TLSB_GET_NODEREG(node, TLEPAERR));
TLSB_PUT_NODEREG(node, TLEPDERR,
TLSB_GET_NODEREG(node, TLEPDERR));
TLSB_PUT_NODEREG(node, TLEPMERR,
TLSB_GET_NODEREG(node, TLEPMERR));
continue;
}
/*
* If we're only doing CPU nodes, or this was a memory
* node, we're done. Onwards.
*/
if (cpuonly || TLDEV_ISMEM(tldev)) {
continue;
}
TLSB_PUT_NODEREG(node, KFT_ICCNSE,
TLSB_GET_NODEREG(node, KFT_ICCNSE));
TLSB_PUT_NODEREG(node, KFT_IDPNSE0,
TLSB_GET_NODEREG(node, KFT_IDPNSE0));
TLSB_PUT_NODEREG(node, KFT_IDPNSE1,
TLSB_GET_NODEREG(node, KFT_IDPNSE1));
if (TLDEV_DTYPE(tldev) == TLDEV_DTYPE_KFTHA) {
TLSB_PUT_NODEREG(node, KFT_IDPNSE2,
TLSB_GET_NODEREG(node, KFT_IDPNSE2));
TLSB_PUT_NODEREG(node, KFT_IDPNSE3,
TLSB_GET_NODEREG(node, KFT_IDPNSE3));
}
/*
* Digital Unix cleares the Mailbox Transaction Register
* here. I don't think we should because we aren't using
* mailboxes yet, and the tech manual makes dire warnings
* about *not* rewriting this register.
*/
}
}
/*
* System Corrected Errors.
*/
static const char *fmt1 = " %-25s = 0x%l016x\n";
void
kn8ae_harderr(mces, type, logout, framep)
unsigned long mces;
unsigned long type;
unsigned long logout;
struct trapframe *framep;
{
int whami, cpuwerr, dof_cnt;
mc_hdr_ev5 *hdr;
mc_cc_ev5 *mptr;
struct tlsb_mchk_fatal *ptr;
hdr = (mc_hdr_ev5 *) logout;
mptr = (mc_cc_ev5 *) (logout + sizeof (*hdr));
ptr = (struct tlsb_mchk_fatal *)
(logout + sizeof (*hdr) + sizeof (*mptr));
whami = alpha_pal_whami();
printf("kn8ae: CPU ID %d system correctable error\n", whami);
printf(" Machine Check Code 0x%lx\n", hdr->mcheck_code);
printf(fmt1, "EI Status", mptr->ei_stat);
printf(fmt1, "EI Address", mptr->ei_addr);
printf(fmt1, "Fill Syndrome", mptr->fill_syndrome);
printf(fmt1, "Interrupt Status Reg.", mptr->isr);
printf("\n");
dof_cnt = (ptr->rsvdheader & 0xffffffff00000000) >> 32;
cpuwerr = ptr->rsvdheader & 0xffff;
printf(fmt1, "CPU W/Error.", cpuwerr);
printf(fmt1, "DOF Count.", dof_cnt);
printf(fmt1, "TLDEV", ptr->tldev);
printf(fmt1, "TLSB Bus Error", ptr->tlber);
printf(fmt1, "TLSB CNR", ptr->tlcnr);
printf(fmt1, "TLSB VID", ptr->tlvid);
printf(fmt1, "TLSB Error Syndrome 0", ptr->tlesr0);
printf(fmt1, "TLSB Error Syndrome 1", ptr->tlesr1);
printf(fmt1, "TLSB Error Syndrome 2", ptr->tlesr2);
printf(fmt1, "TLSB Error Syndrome 3", ptr->tlesr3);
printf(fmt1, "TLSB LEP_AERR", ptr->tlepaerr);
printf(fmt1, "TLSB MODCONF", ptr->tlmodconfig);
printf(fmt1, "TLSB LEP_MERR", ptr->tlepmerr);
printf(fmt1, "TLSB LEP_DERR", ptr->tlepderr);
printf(fmt1, "TLSB INTRMASK0", ptr->tlintrmask0);
printf(fmt1, "TLSB INTRMASK1", ptr->tlintrmask1);
printf(fmt1, "TLSB INTRSUM0", ptr->tlintrsum0);
printf(fmt1, "TLSB INTRSUM1", ptr->tlintrsum1);
printf(fmt1, "TLSB VMG", ptr->tlep_vmg);
/* CLEAN UP */
/*
* Here's what Digital Unix says to do-
*
* 1. Log the ECC error that got us here
*
* 2. Turn off error reporting
*
* 3. Attempt to have CPU read bad memory location (specified by the
* tlfadr reg of the TIOP or TMEM (depending on type of error,
* see upcoming code branches) and write data back to location.
*
* 4. When the CPU attempts to read the location, another 620 interrupt
* should occur for the CPU at which instant PAL will scrub the
* location. Then the o.s. scrub routine finishes. If the PAL scrubs
* the location then the scrubbed flag should be 0 (this is what we
* expect).
*
* If it's a 1 then the alpha_scrub_long routine did the scrub.
*
* 5. We renable correctable error logging and continue
*/
printf("WARNING THIS IS NOT DONE YET YOU MAY GET DATA CORRUPTION");
clear_tlsb_ebits(0);
/*
* Clear error by rewriting register.
*/
alpha_pal_wrmces(mces);
}
/*
* Processor Corrected Errors- BCACHE ECC errors.
*/
static void
kn8ae_softerr(mces, type, logout, framep)
unsigned long mces;
unsigned long type;
unsigned long logout;
struct trapframe *framep;
{
int whami, cpuwerr, dof_cnt;
mc_hdr_ev5 *hdr;
mc_cc_ev5 *mptr;
struct tlsb_mchk_soft *ptr;
hdr = (mc_hdr_ev5 *) logout;
mptr = (mc_cc_ev5 *) (logout + sizeof (*hdr));
ptr = (struct tlsb_mchk_soft *)
(logout + sizeof (*hdr) + sizeof (*mptr));
whami = alpha_pal_whami();
printf("kn8ae: CPU ID %d processor correctable error\n", whami);
printf(" Machine Check Code 0x%lx\n", hdr->mcheck_code);
printf(fmt1, "EI Status", mptr->ei_stat);
printf(fmt1, "EI Address", mptr->ei_addr);
printf(fmt1, "Fill Syndrome", mptr->fill_syndrome);
printf(fmt1, "Interrupt Status Reg.", mptr->isr);
printf("\n");
dof_cnt = (ptr->rsvdheader & 0xffffffff00000000) >> 32;
cpuwerr = ptr->rsvdheader & 0xffff;
printf(fmt1, "CPU W/Error.", cpuwerr);
printf(fmt1, "DOF Count.", dof_cnt);
printf(fmt1, "TLDEV", ptr->tldev);
printf(fmt1, "TLSB Bus Error", ptr->tlber);
printf(fmt1, "TLSB Error Syndrome 0", ptr->tlesr0);
printf(fmt1, "TLSB Error Syndrome 1", ptr->tlesr1);
printf(fmt1, "TLSB Error Syndrome 2", ptr->tlesr2);
printf(fmt1, "TLSB Error Syndrome 3", ptr->tlesr3);
/*
* Clear TLSB bits on all CPU TLSB nodes.
*/
clear_tlsb_ebits(1);
/*
* Clear error by rewriting register.
*/
alpha_pal_wrmces(mces);
}
/*
* KN8AE specific machine check handler
*/
void
kn8ae_mcheck(mces, type, logout, framep)
unsigned long mces;
unsigned long type;
unsigned long logout;
struct trapframe *framep;
{
struct mchkinfo *mcp;
int get_dwlpx_regs;
struct tlsb_mchk_fatal mcs[TLSB_NODE_MAX+1], *ptr;
mc_hdr_ev5 *hdr;
mc_uc_ev5 *mptr;
/*
* 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;
}
get_dwlpx_regs = 0;
ptr = NULL;
memset(mcs, 0, sizeof (mcs));
hdr = (mc_hdr_ev5 *) logout;
mptr = (mc_uc_ev5 *) (logout + sizeof (*hdr));
/*
* If detected by the system, we print out some TLASER registers.
*/
if (type == ALPHA_SYS_MCHECK) {
#if 0
int get_lsb_regs = 0;
int get_dwlpx_regs = 0;
#endif
ptr = (struct tlsb_mchk_fatal *)
(logout + sizeof (*hdr) + sizeof (*mptr));
#if 0
if (ptr->tlepaerr & TLEPAERR_WSPC_RD) {
get_dwlpx_regs++;
}
if ((ptr->tlepaerr & TLEPAERR_IBOX_TMO) &&
(mptr->ic_perr_stat & EV5_IC_PERR_IBOXTMO) &&
(ptr->tlepderr & TLEPDERR_GBTMO)) {
get_dwlpx_regs++;
}
#endif
} else {
/*
* We have a processor machine check- which doesn't
* have information with it about any TLSB related
* failures.
*/
}
/*
* Now we can finally print some stuff...
*/
ev5_logout_print(hdr, mptr);
if (type == ALPHA_SYS_MCHECK) {
if (ptr->tlepaerr & TLEPAERR_WSPC_RD) {
printf("\tWSPC READ error\n");
}
if ((ptr->tlepaerr & TLEPAERR_IBOX_TMO) &&
(mptr->ic_perr_stat & EV5_IC_PERR_IBOXTMO) &&
(ptr->tlepderr & TLEPDERR_GBTMO)) {
printf ("\tWSPC IBOX timeout detected\n");
}
#ifdef DIAGNOSTIC
printf(fmt1, "TLDEV", ptr->tldev);
printf(fmt1, "TLSB Bus Error", ptr->tlber);
printf(fmt1, "TLSB CNR", ptr->tlcnr);
printf(fmt1, "TLSB VID", ptr->tlvid);
printf(fmt1, "TLSB Error Syndrome 0", ptr->tlesr0);
printf(fmt1, "TLSB Error Syndrome 1", ptr->tlesr1);
printf(fmt1, "TLSB Error Syndrome 2", ptr->tlesr2);
printf(fmt1, "TLSB Error Syndrome 3", ptr->tlesr3);
printf(fmt1, "TLSB LEP_AERR", ptr->tlepaerr);
printf(fmt1, "TLSB MODCONF", ptr->tlmodconfig);
printf(fmt1, "TLSB LEP_MERR", ptr->tlepmerr);
printf(fmt1, "TLSB LEP_DERR", ptr->tlepderr);
printf(fmt1, "TLSB INTRMASK0", ptr->tlintrmask0);
printf(fmt1, "TLSB INTRMASK1", ptr->tlintrmask1);
printf(fmt1, "TLSB INTRSUM0", ptr->tlintrsum0);
printf(fmt1, "TLSB INTRSUM1", ptr->tlintrsum1);
printf(fmt1, "TLSB VMG", ptr->tlep_vmg);
#endif
} else {
}
/*
* 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.
*/
clear_tlsb_ebits(0);
machine_check(mces, framep, type, logout);
}
static void
dec_kn8ae_mcheck_handler(mces, framep, vector, param)
unsigned long mces;
struct trapframe *framep;
unsigned long vector;
unsigned long param;
{
switch (vector) {
case ALPHA_SYS_ERROR:
kn8ae_harderr(mces, vector, param, framep);
break;
case ALPHA_PROC_ERROR:
kn8ae_softerr(mces, vector, param, framep);
break;
case ALPHA_SYS_MCHECK:
case ALPHA_PROC_MCHECK:
kn8ae_mcheck(mces, vector, param, framep);
break;
default:
printf("KN8AE_MCHECK: unknown check vector 0x%lx\n", vector);
machine_check(mces, framep, vector, param);
break;
}
}