U-Boot does not support SMM yet, so we can drop this code. It is easy to bring back when needed.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: None
arch/x86/cpu/ivybridge/lpc.c | 57 -------------------------------------------- 1 file changed, 57 deletions(-)
diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c index 12e86cb..9ab5ed3 100644 --- a/arch/x86/cpu/ivybridge/lpc.c +++ b/arch/x86/cpu/ivybridge/lpc.c @@ -379,59 +379,6 @@ static void enable_clock_gating(struct udevice *pch) 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; @@ -596,10 +543,6 @@ static int lpc_init_extra(struct udevice *dev)
pch_disable_smm_only_flashing(pch);
-#if CONFIG_HAVE_SMI_HANDLER - pch_lock_smm(dev); -#endif - pch_fixups(pch);
return 0;