p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

serial: 8250_pci: Add support for 12 port Exar boards 

The Exar XR17V358 can also be combined with a XR17V354 chip to act as a
single 12 port chip. This works the same way as the combining two XR17V358
chips. But the reported device id then is 0x4358.

Signed-off-by: Soeren Grunewald <soeren.grunewald@desy.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Soeren Grunewald 2015-06-11 09:25:04 +02:00 committed by Greg Kroah-Hartman
parent 6cf600aba1
commit be32c0cf04
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/tty/serial/8250/8250_pci.c
View File

@ -1998,6 +1998,7 @@ pci_wch_ch38x_setup(struct serial_private *priv,
#define PCIE_DEVICE_ID_WCH_CH382_2S1P 0x3250
#define PCIE_DEVICE_ID_WCH_CH384_4S 0x3470
#define PCI_DEVICE_ID_EXAR_XR17V4358 0x4358
#define PCI_DEVICE_ID_EXAR_XR17V8358 0x8358
/* Unknown vendors/cards - this should not be in linux/pci_ids.h */
@ -2522,6 +2523,13 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
.subdevice = PCI_ANY_ID,
.setup = pci_xr17v35x_setup,
},
{
.vendor = PCI_VENDOR_ID_EXAR,
.device = PCI_DEVICE_ID_EXAR_XR17V4358,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.setup = pci_xr17v35x_setup,
},
{
.vendor = PCI_VENDOR_ID_EXAR,
.device = PCI_DEVICE_ID_EXAR_XR17V8358,
@ -3008,6 +3016,7 @@ enum pci_board_num_t {
pbn_exar_XR17V352,
pbn_exar_XR17V354,
pbn_exar_XR17V358,
pbn_exar_XR17V4358,
pbn_exar_XR17V8358,
pbn_exar_ibm_saturn,
pbn_pasemi_1682M,
@ -3695,6 +3704,14 @@ static struct pciserial_board pci_boards[] = {
.reg_shift = 0,
.first_offset = 0,
},
[pbn_exar_XR17V4358] = {
.flags = FL_BASE0,
.num_ports = 12,
.base_baud = 7812500,
.uart_offset = 0x400,
.reg_shift = 0,
.first_offset = 0,
},
[pbn_exar_XR17V8358] = {
.flags = FL_BASE0,
.num_ports = 16,
@ -5112,6 +5129,10 @@ static struct pci_device_id serial_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID,
0,
0, pbn_exar_XR17V358 },
{ PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17V4358,
PCI_ANY_ID, PCI_ANY_ID,
0,
0, pbn_exar_XR17V4358 },
{ PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17V8358,
PCI_ANY_ID, PCI_ANY_ID,
0,