1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #include <acpi/acpi.h> 4 #include <arch/io.h> 5 #include <cpu/x86/smm.h> 6 #include <southbridge/intel/lynxpoint/pch.h> 7 #include <southbridge/intel/lynxpoint/me.h> 8 #include <northbridge/intel/haswell/haswell.h> 9 #include <cpu/intel/haswell/haswell.h> 10 11 /* 12 * Change LED_POWER# (SIO GPIO 45) state based on sleep type. 13 * The IO address is hardcoded as we don't have device path in SMM. 14 */ 15 #define SIO_GPIO_BASE_SET4 (0x730 + 3) 16 #define SIO_GPIO_BLINK_GPIO45 0x25 mainboard_smi_sleep(u8 slp_typ)17void mainboard_smi_sleep(u8 slp_typ) 18 { 19 u8 reg8; 20 21 switch (slp_typ) { 22 case ACPI_S3: 23 case ACPI_S4: 24 break; 25 26 case ACPI_S5: 27 /* Turn off LED */ 28 reg8 = inb(SIO_GPIO_BASE_SET4); 29 reg8 |= (1 << 5); 30 outb(reg8, SIO_GPIO_BASE_SET4); 31 break; 32 } 33 } 34