X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fi386%2Fkernel%2Freboot_fixups.c;h=03e1cce58f499a3712e2e9957a3ef1781d490f2f;hb=2a721dfc8c677588fc98d818dfad3354081c6ddb;hp=99aab41a05b0f17d12c07110638699a6ec4360da;hpb=61fb46c5b3578fda7cc780e8bc53b3e8f8c1a143;p=pandora-kernel.git

diff --git a/arch/i386/kernel/reboot_fixups.c b/arch/i386/kernel/reboot_fixups.c
index 99aab41a05b0..03e1cce58f49 100644
--- a/arch/i386/kernel/reboot_fixups.c
+++ b/arch/i386/kernel/reboot_fixups.c
@@ -5,12 +5,14 @@
  *
  * List of supported fixups:
  * geode-gx1/cs5530a - Jaya Kumar <jayalk@intworks.biz>
+ * geode-gx/lx/cs5536 - Andres Salomon <dilinger@debian.org>
  *
  */
 
 #include <asm/delay.h>
 #include <linux/pci.h>
-#include <linux/reboot_fixups.h>
+#include <asm/reboot_fixups.h>
+#include <asm/msr.h>
 
 static void cs5530a_warm_reset(struct pci_dev *dev)
 {
@@ -21,6 +23,16 @@ static void cs5530a_warm_reset(struct pci_dev *dev)
 	return;
 }
 
+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);
+	udelay(50); /* shouldn't get here but be safe and spin a while */
+}
+
 struct device_fixup {
 	unsigned int vendor;
 	unsigned int device;
@@ -29,6 +41,7 @@ struct device_fixup {
 
 static 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 },
 };
 
 /*