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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 <device/pci_ehci.h>
#include "i82801ex.h"
static void ehci_init(struct device *dev)
{
uint32_t cmd;
printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
cmd = pci_read_config32(dev, PCI_COMMAND);
pci_write_config32(dev, PCI_COMMAND,
cmd | PCI_COMMAND_MASTER);
printk(BIOS_DEBUG, "done.\n");
}
static void ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
uint8_t access_cntl;
access_cntl = pci_read_config8(dev, 0x80);
/* Enable writes to protected registers */
pci_write_config8(dev, 0x80, access_cntl | 1);
/* Write the subsystem vendor and device id */
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
((device & 0xffff) << 16) | (vendor & 0xffff));
/* Restore protection */
pci_write_config8(dev, 0x80, access_cntl);
}
static struct pci_operations lops_pci = {
.set_subsystem = &ehci_set_subsystem,
};
static struct device_operations ehci_ops = {
.read_resources = pci_ehci_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = ehci_init,
.scan_bus = 0,
.enable = i82801ex_enable,
.ops_pci = &lops_pci,
};
static const struct pci_driver ehci_driver __pci_driver = {
.ops = &ehci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_82801ER_EHCI,
};
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