Hello, as the Soekris net6501 does not have any ACPI implementation, HPET won't get enabled. This patch enables HPET on such platforms.
[ 0.430149] pci 0000:00:01.0: Force enabled HPET at 0xfed00000 [ 0.644838] HPET: 3 timers in total, 0 timers will be used for per-cpu timer Original patch by Peter Neubauer, slightly modified by me. -> http://www.mail-archive.com/soekris-tech@lists.soekris.com/msg06462.html Cheers Conrad Signed-off-by: Peter Neubauer <pneuba...@bluerwhite.org> Signed-off-by: Conrad Kostecki <c...@conrad-kostecki.de> --- a/arch/x86/kernel/quirks.c 2014-02-14 11:13:27.703432732 +0100 +++ b/arch/x86/kernel/quirks.c 2014-02-14 11:14:32.327496474 +0100 @@ -498,6 +498,25 @@ void force_hpet_resume(void) } /* + * Soekris net6501, based on Atom E6xx series, does not have ACPI. + * HPET should be force enabled on such platforms. + */ +static void e6xx_force_enable_hpet(struct pci_dev *dev) +{ + if (hpet_address || force_hpet_address) + return; + + force_hpet_address = 0xFED00000; + force_hpet_resume_type = NONE_FORCE_HPET_RESUME; + dev_printk(KERN_DEBUG, &dev->dev, "Force enabled HPET at " + "0x%lx\n", force_hpet_address); + return; +} + +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E6XX_CU, + e6xx_force_enable_hpet); + +/* * HPET MSI on some boards (ATI SB700/SB800) has side effect on * floppy DMA. Disable HPET MSI on such platforms. * See erratum #27 (Misinterpreted MSI Requests May Result in --- a/include/linux/pci_ids.h 2014-02-14 11:13:00.575408953 +0100 +++ b/include/linux/pci_ids.h 2014-02-14 11:13:37.819442066 +0100 @@ -2854,6 +2854,7 @@ #define PCI_DEVICE_ID_INTEL_82372FB_1 0x7601 #define PCI_DEVICE_ID_INTEL_SCH_LPC 0x8119 #define PCI_DEVICE_ID_INTEL_SCH_IDE 0x811a +#define PCI_DEVICE_ID_INTEL_E6XX_CU 0x8183 #define PCI_DEVICE_ID_INTEL_ITC_LPC 0x8186 #define PCI_DEVICE_ID_INTEL_82454GX 0x84c4 #define PCI_DEVICE_ID_INTEL_82450GX 0x84c5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
