Messages in this thread Patch in this message | | | From | Seth Heasley <> | Subject | [PATCH 1/1] lpc_sch: Add Intel Centerton Multifunction Device support | Date | Wed, 21 Mar 2012 09:59:51 -0700 |
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This patch adds the DeviceIDs for the Intel Centerton Legacy Block. The Legacy Block includes SMBus, GPIO, and Watchdog functionality.
Signed-off-by: Seth Heasley <seth.heasley@intel.com> --- drivers/mfd/lpc_sch.c | 16 +++++++++++++--- 1 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/mfd/lpc_sch.c b/drivers/mfd/lpc_sch.c index abc4213..778af13 100644 --- a/drivers/mfd/lpc_sch.c +++ b/drivers/mfd/lpc_sch.c @@ -36,10 +36,13 @@ #define GPIOBASE 0x44 #define GPIO_IO_SIZE 64 +#define GPIO_IO_SIZE_128 128 #define WDTBASE 0x84 #define WDT_IO_SIZE 64 +#define PCI_DEVICE_ID_INTEL_CENTERTON_ILB 0x0c60 + static struct resource smbus_sch_resource = { .flags = IORESOURCE_IO, }; @@ -68,7 +71,7 @@ static struct resource wdt_sch_resource = { static struct mfd_cell tunnelcreek_cells[] = { { - .name = "tunnelcreek_wdt", + .name = "ie6xx_wdt", .num_resources = 1, .resources = &wdt_sch_resource, }, @@ -77,6 +80,7 @@ static struct mfd_cell tunnelcreek_cells[] = { static DEFINE_PCI_DEVICE_TABLE(lpc_sch_ids) = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SCH_LPC) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ITC_LPC) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CENTERTON_ILB) }, { 0, } }; MODULE_DEVICE_TABLE(pci, lpc_sch_ids); @@ -115,7 +119,12 @@ static int __devinit lpc_sch_probe(struct pci_dev *dev, } gpio_sch_resource.start = base_addr; - gpio_sch_resource.end = base_addr + GPIO_IO_SIZE - 1; + + /* Intel Centerton has 128 bytes of I/O space */ + if (id->device == PCI_DEVICE_ID_INTEL_CENTERTON_ILB) + gpio_sch_resource.end = base_addr + GPIO_IO_SIZE_128 - 1; + else + gpio_sch_resource.end = base_addr + GPIO_IO_SIZE - 1; for (i=0; i < ARRAY_SIZE(lpc_sch_cells); i++) lpc_sch_cells[i].id = id->device; @@ -125,7 +134,8 @@ static int __devinit lpc_sch_probe(struct pci_dev *dev, if (ret) goto out_dev; - if (id->device == PCI_DEVICE_ID_INTEL_ITC_LPC) { + if (id->device == PCI_DEVICE_ID_INTEL_ITC_LPC + || id->device == PCI_DEVICE_ID_INTEL_CENTERTON_ILB) { pci_read_config_dword(dev, WDTBASE, &base_addr_cfg); if (!(base_addr_cfg & (1 << 31))) { dev_err(&dev->dev, "Decode of the WDT I/O range disabled\n"); -- 1.7.4.4
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