d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Work-around a couple of C1010 quirks:

Browse Source 
- Reload SCNTL3 after selection from host   (C1010-33).
- Reload SCNTL4 prior to any DATA OUT phase (C1010-66).
- Use max SCSI offset 31 for ST but 62 for DT.
This commit is contained in:
Gerard Roudier 2000-05-07 09:54:33 +00:00
parent b7eea0fed1
commit 4fafb9d657
3 changed files with 93 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/dev/sym/sym_fw1.h
View File

@ -1019,7 +1019,7 @@ static struct SYM_FWA_SCR SYM_FWA_SCR = {
/* In normal situations, we jump to RESEL_TAG or RESEL_NO_TAG */
}/*-------------------------< RESEL_TAG >------------------------*/,{
/*
* ACK the IDENTIFY or TAG previously received.
* ACK the IDENTIFY previously received.
*/
SCR_CLR (SCR_ACK),
0,

23
sys/dev/sym/sym_fw2.h
View File

@ -78,6 +78,7 @@ struct SYM_FWA_SCR {
u32 getjob_end [ 4];
u32 select [ 8];
u32 wf_sel_done [ 2];
u32 sel_done [ 2];
u32 send_ident [ 2];
#ifdef SYM_CONF_IARB_SUPPORT
u32 select2 [ 8];
@ -93,7 +94,7 @@ struct SYM_FWA_SCR {
u32 datai_done [ 26];
u32 datao_done [ 12];
u32 datai_phase [ 2];
u32 datao_phase [ 2];
u32 datao_phase [ 4];
u32 msg_in [ 2];
u32 msg_in2 [ 10];
#ifdef SYM_CONF_IARB_SUPPORT
@ -322,6 +323,16 @@ static struct SYM_FWA_SCR SYM_FWA_SCR = {
}/*-------------------------< WF_SEL_DONE >----------------------*/,{
SCR_INT ^ IFFALSE (WHEN (SCR_MSG_OUT)),
SIR_SEL_ATN_NO_MSG_OUT,
}/*-------------------------< SEL_DONE >-------------------------*/,{
/*
* C1010-33 errata work-around.
* Due to a race, the SCSI core may not have
* loaded SCNTL3 on SEL_TBL instruction.
* We reload it once phase is stable.
* Patched with a NOOP for other chips.
*/
SCR_LOAD_REL (scntl3, 1),
offsetof(struct sym_dsb, select.sel_scntl3),
}/*-------------------------< SEND_IDENT >-----------------------*/,{
/*
* Selection complete.
@ -538,6 +549,14 @@ static struct SYM_FWA_SCR SYM_FWA_SCR = {
SCR_RETURN,
0,
}/*-------------------------< DATAO_PHASE >----------------------*/,{
/*
* C1010-66 errata work-around.
* SCNTL4 to be written prior to any DATA_OUT
* phase if 33 MHz PCI BUS.
* Patched with a NOOP for other chips.
*/
SCR_LOAD_REL (scntl4, 1),
offsetof(struct sym_dsb, select.sel_scntl4),
SCR_RETURN,
0,
}/*-------------------------< MSG_IN >---------------------------*/,{
@ -918,7 +937,7 @@ static struct SYM_FWA_SCR SYM_FWA_SCR = {
/* In normal situations, we jump to RESEL_TAG or RESEL_NO_TAG */
}/*-------------------------< RESEL_TAG >------------------------*/,{
/*
* ACK the IDENTIFY or TAG previously received.
* ACK the IDENTIFY previously received.
*/
SCR_CLR (SCR_ACK),
0,

92
sys/dev/sym/sym_hipd.c
View File

@ -57,7 +57,9 @@
/* $FreeBSD$ */
#define SYM_DRIVER_NAME "sym-1.5.2-20000430"
#define SYM_DRIVER_NAME "sym-1.5.3-20000506"
/* #define SYM_DEBUG_GENERIC_SUPPORT */
#include <pci.h>
#include <stddef.h> /* For offsetof */
@ -1710,9 +1712,10 @@ struct sym_hcb {
u_char maxwide; /* Maximum transfer width */
u_char minsync; /* Min sync period factor (ST) */
u_char maxsync; /* Max sync period factor (ST) */
u_char maxoffs; /* Max scsi offset (ST) */
u_char minsync_dt; /* Min sync period factor (DT) */
u_char maxsync_dt; /* Max sync period factor (DT) */
u_char maxoffs; /* Max scsi offset */
u_char maxoffs_dt; /* Max scsi offset (DT) */
u_char multiplier; /* Clock multiplier (1,2,4) */
u_char clock_divn; /* Number of clock divisors */
u_long clock_khz; /* SCSI clock frequency in KHz */
@ -1960,6 +1963,19 @@ sym_fw2_patch(hcb_p np)
scripta0->resel_scntl4[1] = cpu_to_scr(0);
}
/*
* Remove a couple of work-arounds specific to C1010 if
* they are not desirable. See `sym_fw2.h' for more details.
*/
if ((np->features & (FE_C10|FE_PCI66)) != (FE_C10|FE_PCI66)) {
scripta0->datao_phase[0] = cpu_to_scr(SCR_NO_OP);
scripta0->datao_phase[1] = cpu_to_scr(0);
}
if ((np->features & (FE_C10|FE_PCI66)) != FE_C10) {
scripta0->sel_done[0] = cpu_to_scr(SCR_NO_OP);
scripta0->sel_done[1] = cpu_to_scr(0);
}
/*
* Patch some other variables in SCRIPTS.
* These ones are loaded by the SCRIPTS processor.
@ -2657,6 +2673,7 @@ static int sym_prepare_setting(hcb_p np, struct sym_nvram *nvram)
if (np->clock_khz == 160000) {
np->minsync_dt = 9;
np->maxsync_dt = 50;
np->maxoffs_dt = 62;
}
}
@ -2830,6 +2847,14 @@ static int sym_prepare_setting(hcb_p np, struct sym_nvram *nvram)
sym_nvram_setup_target (np, i, nvram);
/*
* For now, guess PPR support from the period.
*/
if (tp->tinfo.user.period <= 9) {
tp->tinfo.user.options |= PPR_OPT_DT;
tp->tinfo.user.offset = np->maxoffs_dt;
}
if (!tp->usrtags)
tp->usrflags &= ~SYM_TAGS_ENABLED;
}
@ -2898,17 +2923,6 @@ static int sym_prepare_nego(hcb_p np, ccb_p cp, int nego, u_char *msgptr)
tcb_p tp = &np->target[cp->target];
int msglen = 0;
#if 1
/*
* For now, only use PPR with DT option if period factor = 9.
*/
if (tp->tinfo.goal.period == 9) {
tp->tinfo.goal.width = BUS_16_BIT;
tp->tinfo.goal.options |= PPR_OPT_DT;
}
else
tp->tinfo.goal.options &= ~PPR_OPT_DT;
#endif
/*
* Early C1010 chips need a work-around for DT
* data transfer to work.
@ -5788,7 +5802,11 @@ static void sym_ppr_nego(hcb_p np, tcb_p tp, ccb_p cp)
if (dt != (np->msgin[7] & PPR_OPT_MASK)) chg = 1;
if (ofs) {
if (ofs > np->maxoffs)
if (dt) {
if (ofs > np->maxoffs_dt)
{chg = 1; ofs = np->maxoffs_dt;}
}
else if (ofs > np->maxoffs)
{chg = 1; ofs = np->maxoffs;}
if (req) {
if (ofs > tp->tinfo.user.offset)
@ -7561,11 +7579,7 @@ static void sym_action1(struct cam_sim *sim, union ccb *ccb)
if (tp->tinfo.current.width != tp->tinfo.goal.width ||
tp->tinfo.current.period != tp->tinfo.goal.period ||
tp->tinfo.current.offset != tp->tinfo.goal.offset ||
#if 0 /* For now only renegotiate, based on width, period and offset */
tp->tinfo.current.options != tp->tinfo.goal.options) {
#else
0) {
#endif
if (!tp->nego_cp && lp)
msglen += sym_prepare_nego(np, cp, 0, msgptr + msglen);
}
@ -8356,25 +8370,45 @@ static void sym_update_trans(hcb_p np, tcb_p tp, struct sym_trans *tip,
tip->period = cts->sync_period;
/*
* Scale against out limits.
* Scale against driver configuration limits.
*/
if (tip->width > SYM_SETUP_MAX_WIDE) tip->width = SYM_SETUP_MAX_WIDE;
if (tip->width > np->maxwide) tip->width = np->maxwide;
if (tip->offset > SYM_SETUP_MAX_OFFS) tip->offset = SYM_SETUP_MAX_OFFS;
if (tip->offset > np->maxoffs) tip->offset = np->maxoffs;
if (tip->period) {
if (tip->period < SYM_SETUP_MIN_SYNC)
tip->period = SYM_SETUP_MIN_SYNC;
if (np->features & FE_ULTRA3) {
if (tip->period < SYM_SETUP_MIN_SYNC) tip->period = SYM_SETUP_MIN_SYNC;
/*
* Scale against actual controller BUS width.
*/
if (tip->width > np->maxwide)
tip->width = np->maxwide;
/*
* For now, only assume DT if period <= 9, BUS 16 and offset != 0.
*/
tip->options = 0;
if ((np->features & (FE_C10|FE_ULTRA3)) == (FE_C10|FE_ULTRA3) &&
tip->period <= 9 && tip->width == BUS_16_BIT && tip->offset) {
tip->options |= PPR_OPT_DT;
}
/*
* Scale period factor and offset against controller limits.
*/
if (tip->options & PPR_OPT_DT) {
if (tip->period < np->minsync_dt)
tip->period = np->minsync_dt;
if (tip->period > np->maxsync_dt)
tip->period = np->maxsync_dt;
if (tip->offset > np->maxoffs_dt)
tip->offset = np->maxoffs_dt;
}
else {
if (tip->period < np->minsync)
tip->period = np->minsync;
}
if (tip->period > np->maxsync)
tip->period = np->maxsync;
if (tip->offset > np->maxoffs)
tip->offset = np->maxoffs;
}
}
@ -8500,17 +8534,17 @@ static struct sym_pci_chip sym_pci_dev_table[] = {
FE_WIDE|FE_ULTRA2|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_IO256|FE_NOPM|FE_LEDC|FE_LCKFRQ}
,
{PCI_ID_LSI53C1010, 0x00, "1010", 6, 62, 7, 8,
{PCI_ID_LSI53C1010, 0x00, "1010-33", 6, 31, 7, 8,
FE_WIDE|FE_ULTRA3|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFBC|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_IO256|FE_NOPM|FE_LEDC|FE_PCI66|FE_CRC|
FE_C10}
,
{PCI_ID_LSI53C1010, 0xff, "1010", 6, 62, 7, 8,
{PCI_ID_LSI53C1010, 0xff, "1010-33", 6, 31, 7, 8,
FE_WIDE|FE_ULTRA3|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFBC|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_IO256|FE_NOPM|FE_LEDC|FE_CRC|
FE_C10|FE_U3EN}
,
{PCI_ID_LSI53C1010_2, 0xff, "1010", 6, 62, 7, 8,
{PCI_ID_LSI53C1010_2, 0xff, "1010-66", 6, 31, 7, 8,
FE_WIDE|FE_ULTRA3|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFBC|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_IO256|FE_NOPM|FE_LEDC|FE_PCI66|FE_CRC|
FE_C10|FE_U3EN}