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-rw-r--r--src/drivers/oxford/oxpcie/oxpcie.c6
-rw-r--r--src/drivers/oxford/oxpcie/oxpcie_early.c26
2 files changed, 29 insertions, 3 deletions
diff --git a/src/drivers/oxford/oxpcie/oxpcie.c b/src/drivers/oxford/oxpcie/oxpcie.c
index 94c5b64e66..e1fb65f9db 100644
--- a/src/drivers/oxford/oxpcie/oxpcie.c
+++ b/src/drivers/oxford/oxpcie/oxpcie.c
@@ -54,3 +54,9 @@ static const struct pci_driver oxford_oxpcie_driver __pci_driver = {
.vendor = 0x1415,
.device = 0xc158,
};
+
+static const struct pci_driver oxford_oxpcie_driver_2 __pci_driver = {
+ .ops = &oxford_oxpcie_ops,
+ .vendor = 0x1415,
+ .device = 0xc11b,
+};
diff --git a/src/drivers/oxford/oxpcie/oxpcie_early.c b/src/drivers/oxford/oxpcie/oxpcie_early.c
index 3480654cfe..2c7767e50d 100644
--- a/src/drivers/oxford/oxpcie/oxpcie_early.c
+++ b/src/drivers/oxford/oxpcie/oxpcie_early.c
@@ -31,6 +31,9 @@
#define OXPCIE_DEVICE \
PCI_DEV(CONFIG_OXFORD_OXPCIE_BRIDGE_SUBORDINATE, 0, 0)
+#define OXPCIE_DEVICE_3 \
+ PCI_DEV(CONFIG_OXFORD_OXPCIE_BRIDGE_SUBORDINATE, 0, 3)
+
void oxford_init(void)
{
u16 reg16;
@@ -72,14 +75,31 @@ void oxford_init(void)
while ((id == 0) || (id == 0xffffffff))
id = pci_read_config32(OXPCIE_DEVICE, PCI_VENDOR_ID);
+ u32 device = OXPCIE_DEVICE; /* unknown default */
+ switch (id) {
+ case 0xc1181415: /* e.g. Startech PEX1S1PMINI */
+ /* On this device function 0 is the parallel port, and
+ * function 3 is the serial port. So let's go look for
+ * the UART.
+ */
+ id = pci_read_config32(OXPCIE_DEVICE_3, PCI_VENDOR_ID);
+ if (id != 0xc11b1415)
+ return;
+ device = OXPCIE_DEVICE_3;
+ break;
+ case 0xc1581415: /* e.g. Startech MPEX2S952 */
+ device = OXPCIE_DEVICE;
+ break;
+ }
+
/* Setup base address on device */
- pci_write_config32(OXPCIE_DEVICE, PCI_BASE_ADDRESS_0,
+ pci_write_config32(device, PCI_BASE_ADDRESS_0,
CONFIG_OXFORD_OXPCIE_BASE_ADDRESS);
/* Enable memory on device */
- reg16 = pci_read_config16(OXPCIE_DEVICE, PCI_COMMAND);
+ reg16 = pci_read_config16(device, PCI_COMMAND);
reg16 |= PCI_COMMAND_MEMORY;
- pci_write_config16(OXPCIE_DEVICE, PCI_COMMAND, reg16);
+ pci_write_config16(device, PCI_COMMAND, reg16);
/* Now the UART initialization */
u32 uart0_base = CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000;