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#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <pc80/mc146818rtc.h>
#include <bitops.h>
#include <arch/io.h>
#include "amd8111.h"
#define PREVIOUS_POWER_STATE 0x43
#define MAINBOARD_POWER_OFF 0
#define MAINBOARD_POWER_ON 1
#define SLOW_CPU_OFF 0
#define SLOW_CPU__ON 1
#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL
#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
#endif
static void acpi_init(struct device *dev)
{
uint8_t byte;
uint16_t word;
uint16_t pm10_bar;
uint32_t dword;
int on;
#if 0
printk_debug("ACPI: disabling NMI watchdog.. ");
pci_read_config_byte(dev, 0x49, &byte);
pci_write_config_byte(dev, 0x49, byte | (1<<2));
pci_read_config_byte(dev, 0x41, &byte);
pci_write_config_byte(dev, 0x41, byte | (1<<6)|(1<<2));
/* added from sourceforge */
pci_read_config_byte(dev, 0x48, &byte);
pci_write_config_byte(dev, 0x48, byte | (1<<3));
printk_debug("done.\n");
printk_debug("ACPI: Routing IRQ 12 to PS2 port.. ");
pci_read_config_word(dev, 0x46, &word);
pci_write_config_word(dev, 0x46, word | (1<<9));
printk_debug("done.\n");
printk_debug("ACPI: setting PM class code.. ");
pci_write_config_dword(dev, 0x60, 0x06800000);
printk_debug("done.\n");
#endif
on = MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
get_option(&on, "power_on_after_fail");
byte = pci_read_config8(dev, PREVIOUS_POWER_STATE);
byte &= ~0x40;
if (!on) {
byte |= 0x40;
}
pci_write_config8(dev, PREVIOUS_POWER_STATE, byte);
printk_info("set power %s after power fail\n", on?"on":"off");
/* Throttle the CPU speed down for testing */
on = SLOW_CPU_OFF;
get_option(&on, "slow_cpu");
if(on) {
pm10_bar = (pci_read_config16(dev, 0x58)&0xff00);
outl(((on<<1)+0x10) ,(pm10_bar + 0x10));
dword = inl(pm10_bar + 0x10);
on = 8-on;
printk_debug("Throttling CPU %2d.%1.1d percent.\n",
(on*12)+(on>>1),(on&1)*5);
}
}
static void acpi_read_resources(device_t dev)
{
/* Handle the generic bars */
pci_dev_read_resources(dev);
if ((dev->resources + 1) < MAX_RESOURCES) {
struct resource *resource = &dev->resource[dev->resources];
dev->resources++;
resource->base = 0;
resource->size = 256;
resource->align = log2(256);
resource->gran = log2(256);
resource->limit = 65536;
resource->flags = IORESOURCE_IO;
resource->index = 0x58;
}
else {
printk_err("%s Unexpected resource shortage\n",
dev_path(dev));
}
}
static struct device_operations acpi_ops = {
.read_resources = acpi_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = acpi_init,
.scan_bus = 0,
// .enable = amd8111_enable,
};
static struct pci_driver acpi_driver __pci_driver = {
.ops = &acpi_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_8111_ACPI,
};
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