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[SRU,Trusty,2/3] serial: 8250_pci: Add support for 12 port Exar boards

Message ID 640d1c9ca03d38d880a31cb2d4148f709bcbe9a2.1467390000.git.joseph.salisbury@canonical.com
State New
Headers show

Commit Message

Joseph Salisbury July 6, 2016, 9:11 p.m. UTC 
From: Soeren Grunewald <soeren.grunewald@desy.de>

BugLink: http://bugs.launchpad.net/bugs/1447485

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>
(cherry picked from commit be32c0cf0462c36f482b5ddcff1d8371be1e183c)
Signed-off-by: Joseph Salisbury <joseph.salisbury@canonical.com>
---
 drivers/tty/serial/8250/8250_pci.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff mbox

Patch

diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 7c192b3..b020749 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1778,6 +1778,7 @@  pci_wch_ch353_setup(struct serial_private *priv,
 #define PCI_DEVICE_ID_PERICOM_PI7C9X7954	0x7954
 #define PCI_DEVICE_ID_PERICOM_PI7C9X7958	0x7958
 
+#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 */
@@ -2261,6 +2262,13 @@  static struct pci_serial_quirk pci_serial_quirks[] __refdata = {
 	},
 	{
 		.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,
 		.subvendor	= PCI_ANY_ID,
 		.subdevice	= PCI_ANY_ID,
@@ -2706,6 +2714,7 @@  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,
@@ -3380,6 +3389,14 @@  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,
@@ -4785,6 +4802,10 @@  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,