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path: root/arch/x86/kernel/reboot_fixups_32.c
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Diffstat (limited to 'arch/x86/kernel/reboot_fixups_32.c')
-rw-r--r--arch/x86/kernel/reboot_fixups_32.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c
index 8b30b26ad06..c8e41e90f59 100644
--- a/arch/x86/kernel/reboot_fixups_32.c
+++ b/arch/x86/kernel/reboot_fixups_32.c
@@ -12,6 +12,7 @@
#include <linux/interrupt.h>
#include <asm/reboot_fixups.h>
#include <asm/msr.h>
+#include <linux/cs5535.h>
static void cs5530a_warm_reset(struct pci_dev *dev)
{
@@ -24,23 +25,51 @@ static void cs5530a_warm_reset(struct pci_dev *dev)
static void cs5536_warm_reset(struct pci_dev *dev)
{
- /*
- * 6.6.2.12 Soft Reset (DIVIL_SOFT_RESET)
- * writing 1 to the LSB of this MSR causes a hard reset.
- */
- wrmsrl(0x51400017, 1ULL);
+ /* writing 1 to the LSB of this MSR causes a hard reset */
+ wrmsrl(MSR_DIVIL_SOFT_RESET, 1ULL);
udelay(50); /* shouldn't get here but be safe and spin a while */
}
+static void rdc321x_reset(struct pci_dev *dev)
+{
+ unsigned i;
+ /* Voluntary reset the watchdog timer */
+ outl(0x80003840, 0xCF8);
+ /* Generate a CPU reset on next tick */
+ i = inl(0xCFC);
+ /* Use the minimum timer resolution */
+ i |= 0x1600;
+ outl(i, 0xCFC);
+ outb(1, 0x92);
+}
+
+static void ce4100_reset(struct pci_dev *dev)
+{
+ int i;
+
+ for (i = 0; i < 10; i++) {
+ outb(0x2, 0xcf9);
+ udelay(50);
+ }
+}
+
struct device_fixup {
unsigned int vendor;
unsigned int device;
void (*reboot_fixup)(struct pci_dev *);
};
-static struct device_fixup fixups_table[] = {
+/*
+ * PCI ids solely used for fixups_table go here
+ */
+#define PCI_DEVICE_ID_INTEL_CE4100 0x0708
+
+static const struct device_fixup fixups_table[] = {
{ PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_LEGACY, cs5530a_warm_reset },
{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, cs5536_warm_reset },
+{ PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SC1100_BRIDGE, cs5530a_warm_reset },
+{ PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030, rdc321x_reset },
+{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CE4100, ce4100_reset },
};
/*
@@ -51,7 +80,7 @@ static struct device_fixup fixups_table[] = {
*/
void mach_reboot_fixups(void)
{
- struct device_fixup *cur;
+ const struct device_fixup *cur;
struct pci_dev *dev;
int i;
@@ -67,6 +96,7 @@ void mach_reboot_fixups(void)
continue;
cur->reboot_fixup(dev);
+ pci_dev_put(dev);
}
}