--- linux.19p2/drivers/char/Config.in	Fri Mar  1 18:26:31 2002
+++ linux.19pre2-ac2/drivers/char/Config.in	Sat Mar  2 00:51:24 2002
@@ -212,7 +219,9 @@
    tristate 'NetWinder flash support' CONFIG_NWFLASH
 fi
 
+dep_tristate 'AMD 768 Random Number Generator support' CONFIG_AMD_RNG $CONFIG_PCI
 dep_tristate 'Intel i8x0 Random Number Generator support' CONFIG_INTEL_RNG $CONFIG_PCI
+dep_tristate 'AMD 762/768 native power management' CONFIG_AMD_PM768 $CONFIG_PCI
 tristate '/dev/nvram support' CONFIG_NVRAM
 tristate 'Enhanced Real Time Clock Support' CONFIG_RTC
 if [ "$CONFIG_IA64" = "y" ]; then
--- linux.19p2/drivers/char/Makefile	Fri Mar  1 18:26:31 2002
+++ linux.19pre2-ac2/drivers/char/Makefile	Fri Mar  1 19:50:30 2002
@@ -204,6 +204,9 @@
 obj-$(CONFIG_I8K) += i8k.o
 obj-$(CONFIG_DS1620) += ds1620.o
 obj-$(CONFIG_INTEL_RNG) += i810_rng.o
+obj-$(CONFIG_AMD_RNG) += amd768_rng.o
+obj-$(CONFIG_AMD_PM768) += amd768_pm.o
+
 obj-$(CONFIG_ITE_GPIO) += ite_gpio.o
 obj-$(CONFIG_AU1000_GPIO) += au1000_gpio.o
 obj-$(CONFIG_COBALT_LCD) += lcd.o
--- linux.19p2/drivers/char/amd768_pm.c	Thu Jan  1 01:00:00 1970
+++ linux.19pre2-ac2/drivers/char/amd768_pm.c	Sun Feb 10 21:28:33 2002
@@ -0,0 +1,151 @@
+/*
+ *	Native power management driver for the AMD 760MPx series
+ *
+ *	(c) Copyright 2002, Red Hat Inc, <alan@redhat.com>
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/random.h>
+#include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
+#include <linux/mm.h>
+
+#include <asm/io.h>
+#include <asm/uaccess.h>
+
+static u32 pmbase;			/* PMxx I/O base */
+static struct pci_dev *amd762;
+
+/*
+ * amd768pm_init_one - look for and attempt to init PM
+ */
+static int __init amd768pm_init_one (struct pci_dev *dev)
+{
+	u32 reg;
+	u8 rnen;
+	int i;
+
+	amd762 = pci_find_device(0x1022, 0x700C, NULL);
+	if(amd762 == NULL)
+		return -ENODEV;
+
+	pci_read_config_dword(amd762, 0x70, &reg);
+	if(!(reg & (1<<18)))
+	{
+		printk(KERN_INFO "AMD768_pm: enabling self refresh.\n");
+		reg |= (1<<18);	/* Enable self refresh */
+		pci_write_config_dword(amd762, 0x70, reg);
+	}
+	
+	pci_read_config_dword(amd762, 0x58, &reg);
+	if(reg&(1<<19))
+	{
+		printk(KERN_INFO "AMD768_pm: DRAM refresh enabled.\n");
+		reg &= ~(1<<19); /* Disable to allow self refresh modes */
+		pci_write_config_dword(amd762, 0x58, reg);
+	}
+
+	for(i=0; i<smp_num_cpus;i++)
+	{
+		pci_read_config_dword(amd762, 0x60 + 8*i, &reg);
+		if(!(reg&(1<<17)))
+		{
+			printk(KERN_INFO "AMD768_pm: Enabling disconnect on CPU#%d.\n", i);
+			reg |= (1<<17);
+			pci_write_config_dword(amd762, 0x60 + 8*i, reg);
+		}
+	}
+
+	pci_read_config_dword(dev, 0x58, &pmbase);
+
+	pmbase &= 0x0000FF00;
+
+	if(pmbase == 0)
+	{
+		printk ("AMD768_pm: power management base not set\n");
+		return -ENODEV;
+	}
+
+	pci_read_config_byte(dev, 0x41, &rnen);
+	if(!(rnen&(1<<7)))
+	{
+		printk ("AMD768_pm: enabling PMIO\n");
+		rnen|=(1<<7);	/* PMIO enable */
+		pci_write_config_byte(dev, 0x41, rnen);
+	}
+	if(!(rnen&1))
+	{
+		printk ("AMD768_pm: enabling W4SG");
+		rnen|=1;	/* W4SG enable */
+		pci_write_config_byte(dev, 0x41, rnen);
+	}
+	printk(KERN_INFO "AMD768_pm: AMD768 system management I/O registers at 0x%X.\n", pmbase);
+	return 0;
+}
+
+
+/*
+ * Data for PCI driver interface
+ *
+ * This data only exists for exporting the supported
+ * PCI ids via MODULE_DEVICE_TABLE.  We do not actually
+ * register a pci_driver, because someone else might one day
+ * want to register another driver on the same PCI id.
+ */
+static struct pci_device_id amd768pm_pci_tbl[] __initdata = {
+	{ 0x1022, 0x7443, PCI_ANY_ID, PCI_ANY_ID, },
+	{ 0, },
+};
+MODULE_DEVICE_TABLE (pci, amd768pm_pci_tbl);
+
+
+MODULE_AUTHOR("Alan Cox, Red Hat Inc");
+MODULE_DESCRIPTION("AMD 762/768 Native power management");
+MODULE_LICENSE("GPL");
+
+
+/*
+ * amd768pm_init - initialize RNG module
+ */
+static int __init amd768pm_init (void)
+{
+	int rc;
+	struct pci_dev *pdev;
+
+	if(smp_num_cpus > 2)
+	{
+		printk(KERN_ERR "Only single and dual processor AMD762/768 is supported.\n");
+		return -ENODEV;
+	}
+	pci_for_each_dev(pdev) {
+		if (pci_match_device (amd768pm_pci_tbl, pdev) != NULL)
+			goto match;
+	}
+
+	return -ENODEV;
+
+match:
+	rc = amd768pm_init_one (pdev);
+	if (rc)
+		return rc;
+	return 0;
+}
+
+
+/*
+ * amd768pm_cleanup - shutdown the AMD pm module
+ */
+static void __exit amd768pm_cleanup (void)
+{
+}
+
+
+module_init (amd768pm_init);
+module_exit (amd768pm_cleanup);