From: Raphael Zimmerer <killekulla@rdrz.de>
Here's a minimal patch to support the Exar Corp. XR17C158 Octal UART Chip
(PCI).
Signed-off-by: Raphael Zimmerer <killekulla@rdrz.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/serial/8250_pci.c | 44 +++++++++++++++++++++++++++++++++++++-
25-akpm/include/linux/pci_ids.h | 5 ++++
2 files changed, 48 insertions(+), 1 deletion(-)
diff -puN drivers/serial/8250_pci.c~support-for-exar-xr17c158-octal-uart drivers/serial/8250_pci.c
--- 25/drivers/serial/8250_pci.c~support-for-exar-xr17c158-octal-uart 2004-08-15 22:49:04.517916184 -0700
+++ 25-akpm/drivers/serial/8250_pci.c 2004-08-15 22:49:04.526914816 -0700
@@ -1068,6 +1068,9 @@ enum pci_board_num_t {
pbn_computone_6,
pbn_computone_8,
pbn_sbsxrsio,
+ pbn_exar_XR17C152,
+ pbn_exar_XR17C154,
+ pbn_exar_XR17C158,
};
/*
@@ -1488,7 +1491,30 @@ static struct pci_board pci_boards[] __d
.base_baud = 460800,
.uart_offset = 256,
.reg_shift = 4,
- }
+ },
+ /*
+ * Exar Corp. XR17C15[248] Dual/Quad/Octal UART
+ * Only basic 16550A support.
+ * XR17C15[24] are not tested, but they should work.
+ */
+ [pbn_exar_XR17C152] = {
+ .flags = FL_BASE0,
+ .num_ports = 2,
+ .base_baud = 921600,
+ .uart_offset = 0x200,
+ },
+ [pbn_exar_XR17C154] = {
+ .flags = FL_BASE0,
+ .num_ports = 4,
+ .base_baud = 921600,
+ .uart_offset = 0x200,
+ },
+ [pbn_exar_XR17C158] = {
+ .flags = FL_BASE0,
+ .num_ports = 8,
+ .base_baud = 921600,
+ .uart_offset = 0x200,
+ },
};
/*
@@ -2148,6 +2174,22 @@ static struct pci_device_id serial_pci_t
pbn_b3_8_115200 },
/*
+ * Exar Corp. XR17C15[248] Dual/Quad/Octal UART
+ */
+ { PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C152,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0,
+ 0, pbn_exar_XR17C152 },
+ { PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C154,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0,
+ 0, pbn_exar_XR17C154 },
+ { PCI_VENDOR_ID_EXAR, PCI_DEVICE_ID_EXAR_XR17C158,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0,
+ 0, pbn_exar_XR17C158 },
+
+ /*
* These entries match devices with class COMMUNICATION_SERIAL,
* COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL
*/
diff -puN include/linux/pci_ids.h~support-for-exar-xr17c158-octal-uart include/linux/pci_ids.h
--- 25/include/linux/pci_ids.h~support-for-exar-xr17c158-octal-uart 2004-08-15 22:49:04.518916032 -0700
+++ 25-akpm/include/linux/pci_ids.h 2004-08-15 22:49:04.529914360 -0700
@@ -1801,6 +1801,11 @@
#define PCI_DEVICE_ID_CCD_B00C 0xb00c
#define PCI_DEVICE_ID_CCD_B100 0xb100
+#define PCI_VENDOR_ID_EXAR 0x13a8
+#define PCI_DEVICE_ID_EXAR_XR17C152 0x0152
+#define PCI_DEVICE_ID_EXAR_XR17C154 0x0154
+#define PCI_DEVICE_ID_EXAR_XR17C158 0x0158
+
#define PCI_VENDOR_ID_MICROGATE 0x13c0
#define PCI_DEVICE_ID_MICROGATE_USC 0x0010
#define PCI_DEVICE_ID_MICROGATE_SCC 0x0020
_