X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fquirks.c;h=d13858818100e6f35cb328bab4394dc00885d712;hp=f327abafe3e6442f05450956fd8cab6a6da7c136;hb=da6e88f4963385b1b649b043691d206fbb951913;hpb=7dc9719682ce8c46215bc9a1bdc7ee0c38ada94b

diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index f327abafe3e6..d13858818100 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -65,6 +65,7 @@ static enum {
 	ICH_FORCE_HPET_RESUME,
 	VT8237_FORCE_HPET_RESUME,
 	NVIDIA_FORCE_HPET_RESUME,
+	ATI_FORCE_HPET_RESUME,
 } force_hpet_resume_type;
 
 static void __iomem *rcba_base;
@@ -176,6 +177,12 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_7,
 
 static struct pci_dev *cached_dev;
 
+static void hpet_print_force_info(void)
+{
+	printk(KERN_INFO "HPET not enabled in BIOS. "
+	       "You might try hpet=force boot option\n");
+}
+
 static void old_ich_force_hpet_resume(void)
 {
 	u32 val;
@@ -255,6 +262,8 @@ static void old_ich_force_enable_hpet_user(struct pci_dev *dev)
 {
 	if (hpet_force_user)
 		old_ich_force_enable_hpet(dev);
+	else
+		hpet_print_force_info();
 }
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1,
@@ -294,8 +303,13 @@ static void vt8237_force_enable_hpet(struct pci_dev *dev)
 {
 	u32 uninitialized_var(val);
 
-	if (!hpet_force_user || hpet_address || force_hpet_address)
+	if (hpet_address || force_hpet_address)
+		return;
+
+	if (!hpet_force_user) {
+		hpet_print_force_info();
 		return;
+	}
 
 	pci_read_config_dword(dev, 0x68, &val);
 	/*
@@ -334,6 +348,36 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235,
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
 			 vt8237_force_enable_hpet);
 
+static void ati_force_hpet_resume(void)
+{
+	pci_write_config_dword(cached_dev, 0x14, 0xfed00000);
+	printk(KERN_DEBUG "Force enabled HPET at resume\n");
+}
+
+static void ati_force_enable_hpet(struct pci_dev *dev)
+{
+	u32 uninitialized_var(val);
+
+	if (hpet_address || force_hpet_address)
+		return;
+
+	if (!hpet_force_user) {
+		hpet_print_force_info();
+		return;
+	}
+
+	pci_write_config_dword(dev, 0x14, 0xfed00000);
+	pci_read_config_dword(dev, 0x14, &val);
+	force_hpet_address = val;
+	force_hpet_resume_type = ATI_FORCE_HPET_RESUME;
+	dev_printk(KERN_DEBUG, &dev->dev, "Force enabled HPET at 0x%lx\n",
+		   force_hpet_address);
+	cached_dev = dev;
+	return;
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS,
+			 ati_force_enable_hpet);
+
 /*
  * Undocumented chipset feature taken from LinuxBIOS.
  */
@@ -347,9 +391,14 @@ static void nvidia_force_enable_hpet(struct pci_dev *dev)
 {
 	u32 uninitialized_var(val);
 
-	if (!hpet_force_user || hpet_address || force_hpet_address)
+	if (hpet_address || force_hpet_address)
 		return;
 
+	if (!hpet_force_user) {
+		hpet_print_force_info();
+		return;
+	}
+
 	pci_write_config_dword(dev, 0x44, 0xfed00001);
 	pci_read_config_dword(dev, 0x44, &val);
 	force_hpet_address = val & 0xfffffffe;
@@ -401,6 +450,9 @@ void force_hpet_resume(void)
 	case NVIDIA_FORCE_HPET_RESUME:
 		nvidia_force_hpet_resume();
 		return;
+	case ATI_FORCE_HPET_RESUME:
+		ati_force_hpet_resume();
+		return;
 	default:
 		break;
 	}