setbits_le32(RCB_REG(0x3564), 0x3);
}
-#if CONFIG_HAVE_SMI_HANDLER
-static void pch_lock_smm(pci_dev_t dev)
-{
-#if TEST_SMM_FLASH_LOCKDOWN
- u8 reg8;
-#endif
-
- if (acpi_slp_type != 3) {
-#if ENABLE_ACPI_MODE_IN_COREBOOT
- debug("Enabling ACPI via APMC:\n");
- outb(0xe1, 0xb2); /* Enable ACPI mode */
- debug("done.\n");
-#else
- debug("Disabling ACPI via APMC:\n");
- outb(0x1e, 0xb2); /* Disable ACPI mode */
- debug("done.\n");
-#endif
- }
-
- /* Don't allow evil boot loaders, kernels, or
- * userspace applications to deceive us:
- */
- smm_lock();
-
-#if TEST_SMM_FLASH_LOCKDOWN
- /* Now try this: */
- debug("Locking BIOS to RO... ");
- reg8 = x86_pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
- debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
- (reg8 & 1) ? "rw" : "ro");
- reg8 &= ~(1 << 0); /* clear BIOSWE */
- x86_pci_write_config8(dev, 0xdc, reg8);
- reg8 |= (1 << 1); /* set BLE */
- x86_pci_write_config8(dev, 0xdc, reg8);
- debug("ok.\n");
- reg8 = x86_pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
- debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
- (reg8 & 1) ? "rw" : "ro");
-
- debug("Writing:\n");
- writeb(0, 0xfff00000);
- debug("Testing:\n");
- reg8 |= (1 << 0); /* set BIOSWE */
- x86_pci_write_config8(dev, 0xdc, reg8);
-
- reg8 = x86_pci_read_config8(dev, 0xdc); /* BIOS_CNTL */
- debug(" BLE: %s; BWE: %s\n", (reg8 & 2) ? "on" : "off",
- (reg8 & 1) ? "rw" : "ro");
- debug("Done.\n");
-#endif
-}
-#endif
-
static void pch_disable_smm_only_flashing(struct udevice *pch)
{
u8 reg8;
pch_disable_smm_only_flashing(pch);
-#if CONFIG_HAVE_SMI_HANDLER
- pch_lock_smm(dev);
-#endif
-
pch_fixups(pch);
return 0;