Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/690
-gerrit
commit e3d53a2242c3c6dd522c58ad05a74847be80fa84 Author: Stefan Reinauer reinauer@chromium.org Date: Mon May 9 15:19:29 2011 -0700
Add support for the Startech PEX1XS1PMINI
It has a smaller footprint than the already supported MPEX2S952
Change-Id: Ie36b67f9628882d516ca34ff164f0e8918955a5b Signed-off-by: Stefan Reinauer reinauer@google.com Tested-by: Stefan Reinauer reinauer@google.com Reviewed-by: Duncan Laurie dlaurie@google.com --- src/drivers/oxford/oxpcie/oxpcie.c | 6 ++++++ src/drivers/oxford/oxpcie/oxpcie_early.c | 26 +++++++++++++++++++++++--- src/lib/uart8250mem.c | 2 ++ 3 files changed, 31 insertions(+), 3 deletions(-)
diff --git a/src/drivers/oxford/oxpcie/oxpcie.c b/src/drivers/oxford/oxpcie/oxpcie.c index 94c5b64..e1fb65f 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 3480654..2c7767e 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; diff --git a/src/lib/uart8250mem.c b/src/lib/uart8250mem.c index 75d51ff..a38623e 100644 --- a/src/lib/uart8250mem.c +++ b/src/lib/uart8250mem.c @@ -117,6 +117,8 @@ u32 uart_mem_init(void)
#if defined(MORE_TESTING) && !defined(__SMM__) && !defined(__PRE_RAM__) device_t dev = dev_find_device(0x1415, 0xc158, NULL); + if (!dev) + dev = dev_find_device(0x1415, 0xc11b, NULL);
if (dev) { struct resource *res = find_resource(dev, 0x10);
-
Stefan Reinauer