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[PATCH] Perle multimodem card (PCI-RAS) detection 

Get the Perle quad-modem PCI card (PCI-RAS4) detected by serial driver.  It
may also get the PCI-RAS8 running, but can't guarantee as I didn't had one for
testing.

Signed-off-by: Thomas Hoehn <thomas.hoehn@avocent.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Thomas Hoehn 2007-02-10 01:46:05 -08:00 committed by Linus Torvalds
parent a21217daae
commit 482120084d
3 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/serial/8250.c
View File

@ -920,12 +920,16 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
#ifdef __i386__
outb(0xff, 0x080);
#endif
scratch2 = serial_inp(up, UART_IER);
/*
* Mask out IER[7:4] bits for test as some UARTs (e.g. TL
* 16C754B) allow only to modify them if an EFR bit is set.
*/
scratch2 = serial_inp(up, UART_IER) & 0x0f;
serial_outp(up, UART_IER, 0x0F);
#ifdef __i386__
outb(0, 0x080);
#endif
scratch3 = serial_inp(up, UART_IER);
scratch3 = serial_inp(up, UART_IER) & 0x0f;
serial_outp(up, UART_IER, scratch);
if (scratch2 != 0 || scratch3 != 0x0F) {
/*

16
drivers/serial/8250_pci.c
View File

@ -677,6 +677,13 @@ static struct pci_serial_quirk pci_serial_quirks[] = {
/*
* PLX
*/
{
.vendor = PCI_VENDOR_ID_PLX,
.device = PCI_DEVICE_ID_PLX_9030,
.subvendor = PCI_SUBVENDOR_ID_PERLE,
.subdevice = PCI_ANY_ID,
.setup = pci_default_setup,
},
{
.vendor = PCI_VENDOR_ID_PLX,
.device = PCI_DEVICE_ID_PLX_9050,
@ -2378,6 +2385,15 @@ static struct pci_device_id serial_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0811 */
pbn_b2_2_115200 },
/*
* Perle PCI-RAS cards
*/
{ PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030,
PCI_SUBVENDOR_ID_PERLE, PCI_SUBDEVICE_ID_PCI_RAS4,
0, 0, pbn_b2_4_921600 },
{ PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9030,
PCI_SUBVENDOR_ID_PERLE, PCI_SUBDEVICE_ID_PCI_RAS8,
0, 0, pbn_b2_8_921600 },
/*
* These entries match devices with class COMMUNICATION_SERIAL,
* COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL

5
include/linux/pci_ids.h
View File

@ -959,6 +959,7 @@
#define PCI_DEVICE_ID_PLX_R753 0x1152
#define PCI_DEVICE_ID_PLX_OLITEC 0x1187
#define PCI_DEVICE_ID_PLX_PCI200SYN 0x3196
#define PCI_DEVICE_ID_PLX_9030 0x9030
#define PCI_DEVICE_ID_PLX_9050 0x9050
#define PCI_DEVICE_ID_PLX_9080 0x9080
#define PCI_DEVICE_ID_PLX_GTEK_SERIAL2 0xa001
@ -1994,6 +1995,10 @@
#define PCI_VENDOR_ID_CHELSIO 0x1425
#define PCI_SUBVENDOR_ID_PERLE 0x155f
#define PCI_SUBDEVICE_ID_PCI_RAS4 0xf001
#define PCI_SUBDEVICE_ID_PCI_RAS8 0xf010
#define PCI_VENDOR_ID_SYBA 0x1592
#define PCI_DEVICE_ID_SYBA_2P_EPP 0x0782