summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--sys/conf/options.sparc641
-rw-r--r--sys/dev/ofw/ofw_console.c26
-rw-r--r--sys/sparc64/conf/NOTES2
3 files changed, 20 insertions, 9 deletions
diff --git a/sys/conf/options.sparc64 b/sys/conf/options.sparc64
index a8ce3e7..307ce70 100644
--- a/sys/conf/options.sparc64
+++ b/sys/conf/options.sparc64
@@ -9,6 +9,7 @@ GFB_NO_MODE_CHANGE opt_gfb.h
PSYCHO_DEBUG opt_psycho.h
DEBUGGER_ON_POWERFAIL opt_psycho.h
OFW_PCI_DEBUG opt_ofw_pci.h
+OFWCONS_POLL_HZ opt_ofw.h
# Debug IOMMU inserts/removes using diagnostic accesses. Very loud.
IOMMU_DIAG opt_iommu.h
PMAP_STATS opt_pmap.h
diff --git a/sys/dev/ofw/ofw_console.c b/sys/dev/ofw/ofw_console.c
index 5ee5914..9dfe713 100644
--- a/sys/dev/ofw/ofw_console.c
+++ b/sys/dev/ofw/ofw_console.c
@@ -28,6 +28,7 @@ __FBSDID("$FreeBSD$");
#include "opt_ddb.h"
#include "opt_comconsole.h"
+#include "opt_ofw.h"
#include <sys/param.h>
#include <sys/kernel.h>
@@ -42,7 +43,10 @@ __FBSDID("$FreeBSD$");
#include <ddb/ddb.h>
-#define OFW_POLL_HZ 4
+#ifndef OFWCONS_POLL_HZ
+#define OFWCONS_POLL_HZ 4 /* 50-100 works best on Ultra2 */
+#endif
+#define OFBURSTLEN 128 /* max number of bytes to write in one chunk */
static d_open_t ofw_dev_open;
static d_close_t ofw_dev_close;
@@ -125,7 +129,7 @@ ofw_dev_open(struct cdev *dev, int flag, int mode, struct thread *td)
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
- tp->t_cflag = TTYDEF_CFLAG|CLOCAL;
+ tp->t_cflag = TTYDEF_CFLAG;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
ttsetwater(tp);
@@ -138,7 +142,7 @@ ofw_dev_open(struct cdev *dev, int flag, int mode, struct thread *td)
error = ttyld_open(tp, dev);
if (error == 0 && setuptimeout) {
- polltime = hz / OFW_POLL_HZ;
+ polltime = hz / OFWCONS_POLL_HZ;
if (polltime < 1) {
polltime = 1;
}
@@ -162,6 +166,8 @@ ofw_dev_close(struct cdev *dev, int flag, int mode, struct thread *td)
return (ENXIO);
}
+ /* XXX Should be replaced with callout_stop(9) */
+ untimeout(ofw_timeout, tp, ofw_timeouthandle);
ttyld_close(tp, flag);
ttyclose(tp);
@@ -179,16 +185,18 @@ ofw_tty_param(struct tty *tp, struct termios *t)
static void
ofw_tty_start(struct tty *tp)
{
+ struct clist *cl;
+ int len;
+ u_char buf[OFBURSTLEN];
+
- if (tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
- ttwwakeup(tp);
+ if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
return;
- }
tp->t_state |= TS_BUSY;
- while (tp->t_outq.c_cc != 0) {
- ofw_cons_putc(NULL, getc(&tp->t_outq));
- }
+ cl = &tp->t_outq;
+ len = q_to_b(cl, buf, OFBURSTLEN);
+ OF_write(stdout, buf, len);
tp->t_state &= ~TS_BUSY;
ttwwakeup(tp);
diff --git a/sys/sparc64/conf/NOTES b/sys/sparc64/conf/NOTES
index d4e00fb..4edc15f 100644
--- a/sys/sparc64/conf/NOTES
+++ b/sys/sparc64/conf/NOTES
@@ -50,6 +50,8 @@ device "mk48txx" # Mostek MK48T02, MK48T08, MK48T59 clock
device sab # Siemens SAB82532 based serial ports
device zs # Zilog 8530 based serial ports
+option OFWCONS_POLL_HZ=4 # 20 or more works best on Ultra2
+
#####################################################################
# Devices we don't want to deal with
OpenPOWER on IntegriCloud