| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <cpu/x86/smm.h> |
| #include <intelblocks/gpio.h> |
| #include <intelblocks/smihandler.h> |
| #include <soc/gpio.h> |
| |
| static const struct pad_config sgpio_table[] = { |
| PAD_CFG_GPO(GPP_F10, 0, DEEP), |
| PAD_CFG_GPO(GPP_F11, 0, DEEP), |
| PAD_CFG_GPO(GPP_F12, 0, DEEP), |
| PAD_CFG_GPO(GPP_F13, 0, DEEP), |
| }; |
| |
| void mainboard_smi_sleep(u8 slp_typ) |
| { |
| /* |
| * Pull SGPIO pins low to prevent cross-powering the +5V rail |
| * through the SATA backplane when the power supply is off. |
| */ |
| if (slp_typ >= ACPI_S3) |
| gpio_configure_pads(sgpio_table, ARRAY_SIZE(sgpio_table)); |
| } |