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SubjectRe: PCI serial card with PCI 9052?
From
Date
   From: Andrey Panin <pazke@orbita1.ru>
Date: Mon, 25 Nov 2002 12:48:28 +0300

Hi Andrey,

> patch looks good, but here is yet another thing to test.

I think that this will be additional thing to do. Right now, I have this:

--- linux-2.4.19/drivers/char/serial.c Sat Aug 3 02:39:43 2002
+++ serial.c Tue Nov 26 03:30:36 2002
@@ -139,8 +139,8 @@
#undef SERIAL_DEBUG_OPEN
#undef SERIAL_DEBUG_FLOW
#undef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
-#undef SERIAL_DEBUG_PCI
-#undef SERIAL_DEBUG_AUTOCONF
+#define SERIAL_DEBUG_PCI
+#define SERIAL_DEBUG_AUTOCONF

/* Sanity checks */

@@ -4181,7 +4181,7 @@

#ifdef SERIAL_DEBUG_PCI
printk(KERN_DEBUG " Subsystem ID %lx (intel 960)\n",
- (unsigned long) board->subdevice);
+ (unsigned long) dev->subsystem_device);
#endif
/* is firmware started? */
pci_read_config_dword(dev, 0x44, (void*) &oldval);
@@ -4340,6 +4340,7 @@
pbn_panacom2,
pbn_panacom4,
pbn_plx_romulus,
+ pbn_plx_9052,
pbn_oxsemi,
pbn_timedia,
pbn_intel_i960,
@@ -4425,6 +4426,8 @@
0x400, 7, pci_plx9050_fn },
{ SPCI_FL_BASE2, 4, 921600, /* pbn_plx_romulus */
0x20, 2, pci_plx9050_fn, 0x03 },
+ { SPCI_FL_BASE2, 2, 115200, /* pbn_plx_9052 */
+ 0x8 },
/* This board uses the size of PCI Base region 0 to
* signal now many ports are available */
{ SPCI_FL_BASE0 | SPCI_FL_REGION_SZ_CAP, 32, 115200 }, /* pbn_oxsemi */
@@ -4707,6 +4710,9 @@
{ PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_ROMULUS,
0x10b5, 0x106a, 0, 0,
pbn_plx_romulus },
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
+ 0xd841, 0x0200, 0, 0,
+ pbn_plx_9052 },
{ PCI_VENDOR_ID_QUATECH, PCI_DEVICE_ID_QUATECH_QSC100,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_b1_4_115200 },

kernel boots with:

Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ SERIAL_PCI ISAPNP enabled
Testing ttyS0 (0x03f8, 0x0000)...
Testing ttyS1 (0x02f8, 0x0000)...
Testing ttyS2 (0x03e8, 0x0000)...
serial: ttyS2: simple autoconfig failed (ff, ff)
Testing ttyS3 (0x02e8, 0x0000)...
serial: ttyS3: simple autoconfig failed (ff, ff)
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
Entered probe_serial_pci()
Setup PCI/PNP port: port fcf0, irq 9, type 0
Testing ttyS4 (0xfcf0, 0x0000)...
ttyS04 at port 0xfcf0 (irq = 9) is a 16550A
Setup PCI/PNP port: port fcf8, irq 9, type 0
Testing ttyS5 (0xfcf8, 0x0000)...
ttyS05 at port 0xfcf8 (irq = 9) is a 16550A
Leaving probe_serial_pci() (probe finished)
/proc/pci contains:

PCI devices found:
Bus 0, device 0, function 0:
Class 0000: PCI device 1106:0505 (rev 0).
Bus 0, device 15, function 0:
Class 0300: PCI device 5333:8811 (rev 0).
Non-prefetchable 32 bit memory at 0xfe000000 [0xfe7fffff].
Bus 0, device 18, function 0:
Class 0280: PCI device 10b5:9050 (rev 2).
IRQ 9.
Non-prefetchable 32 bit memory at 0xfedffc00 [0xfedffc7f].
I/O at 0xfc00 [0xfc7f].
I/O at 0xfcf0 [0xfcf7].
I/O at 0xfcf8 [0xfcff].

/proc/tty/driver/serial:

serinfo:1.0 driver:5.05c revision:2001-07-08
0: uart:16550A port:3F8 irq:4 baud:9600 tx:0 rx:0 RTS|DTR
1: uart:16550A port:2F8 irq:3 baud:9600 tx:0 rx:0
4: uart:16550A port:FCF0 irq:9 baud:9600 tx:40 rx:57 brk:2 oe:1 RTS|DTR|DSR
5: uart:16550A port:FCF8 irq:9 baud:9600 tx:5 rx:0 RTS|DTR
There are two ports on that PCI card, ttyS4 and ttyS5. I have serial
printer and serial mouse. Flags are dependant on the status of the
port. Empty port: RTS | DTR. Printer plugged: RTS | CTS | DTR | DSR.
Mouse plugged: RTS | DTR | DSR. So I think that the port is ready for
communication. But I do not see anything coming from it :-(
So the question now is: what should I do next? Trying to play with
setserial?
--
Pavel Janík

Avoid unnecessary branches.
-- The Elements of Programming Style (Kernighan & Plaugher)
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