diff options
Diffstat (limited to 'src/soc/intel/fsp_broadwell_de/pmutil.c')
| -rw-r--r-- | src/soc/intel/fsp_broadwell_de/pmutil.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/soc/intel/fsp_broadwell_de/pmutil.c b/src/soc/intel/fsp_broadwell_de/pmutil.c deleted file mode 100644 index ccab1cef33..0000000000 --- a/src/soc/intel/fsp_broadwell_de/pmutil.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Google Inc. - * Copyright (C) 2017 Siemens AG - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - * Helper functions for dealing with power management registers - * and the differences between PCH variants. - */ - -#include <arch/io.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_def.h> -#include <console/console.h> -#include <soc/iomap.h> -#include <soc/lpc.h> -#include <soc/pci_devs.h> - -/* Print status bits with descriptive names */ -static void print_status_bits(u32 status, const char *const bit_names[]) -{ - int i; - - if (!status) - return; - - for (i = 31; i >= 0; i--) { - if (status & (1 << i)) { - if (bit_names[i]) - printk(BIOS_DEBUG, "%s ", bit_names[i]); - else - printk(BIOS_DEBUG, "BIT%d ", i); - } - } -} - -/* Enable events in PM1 control register */ -void enable_pm1_control(u32 mask) -{ - u32 pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT); - pm1_cnt |= mask; - outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT); -} - -/* Disable events in PM1 control register */ -void disable_pm1_control(u32 mask) -{ - u32 pm1_cnt = inl(ACPI_BASE_ADDRESS + PM1_CNT); - pm1_cnt &= ~mask; - outl(pm1_cnt, ACPI_BASE_ADDRESS + PM1_CNT); -} - -/* Clear and return PM1 status register */ -static u16 reset_pm1_status(void) -{ - u16 pm1_sts = inw(ACPI_BASE_ADDRESS + PM1_STS); - outw(pm1_sts, ACPI_BASE_ADDRESS + PM1_STS); - return pm1_sts; -} - -/* Print PM1 status bits */ -static u16 print_pm1_status(u16 pm1_sts) -{ - static const char *const pm1_sts_bits[] = { - [0] = "TMROF", - [4] = "BM", - [5] = "GBL", - [8] = "PWRBTN", - [10] = "RTC", - [11] = "PRBTNOR", - [14] = "PCIEXPWAK", - [15] = "WAK", - }; - - if (!pm1_sts) - return 0; - - printk(BIOS_SPEW, "PM1_STS: "); - print_status_bits(pm1_sts, pm1_sts_bits); - printk(BIOS_SPEW, "\n"); - - return pm1_sts; -} - -/* Print, clear, and return PM1 status */ -u16 clear_pm1_status(void) -{ - return print_pm1_status(reset_pm1_status()); -} - -/* Set the PM1 register to events */ -void enable_pm1(u16 events) -{ - outw(events, ACPI_BASE_ADDRESS + PM1_EN); -} - -/* Clear and return SMI status register */ -static u32 reset_smi_status(void) -{ - u32 smi_sts = inl(ACPI_BASE_ADDRESS + SMI_STS); - outl(smi_sts, ACPI_BASE_ADDRESS + SMI_STS); - return smi_sts; -} - -/* Print SMI status bits */ -static u32 print_smi_status(u32 smi_sts) -{ - static const char *const smi_sts_bits[] = { - [2] = "BIOS", - [3] = "LEGACY_USB", - [4] = "SLP_SMI", - [5] = "APM", - [6] = "SWSMI_TMR", - [8] = "PM1", - [9] = "GPE0", - [10] = "GPI", - [11] = "MCSMI", - [12] = "DEVMON", - [13] = "TCO", - [14] = "PERIODIC", - [15] = "SERIRQ_SMI", - [16] = "SMBUS_SMI", - [17] = "LEGACY_USB2", - [18] = "INTEL_USB2", - [20] = "PCI_EXP_SMI", - [21] = "MONITOR", - [26] = "SPI", - [27] = "GPIO_UNLOCK" - }; - - if (!smi_sts) - return 0; - - printk(BIOS_DEBUG, "SMI_STS: "); - print_status_bits(smi_sts, smi_sts_bits); - printk(BIOS_DEBUG, "\n"); - - return smi_sts; -} - -/* Print, clear, and return SMI status */ -u32 clear_smi_status(void) -{ - return print_smi_status(reset_smi_status()); -} - -/* Enable SMI event */ -void enable_smi(u32 mask) -{ - u32 smi_en = inl(ACPI_BASE_ADDRESS + SMI_EN); - smi_en |= mask; - outl(smi_en, ACPI_BASE_ADDRESS + SMI_EN); -} - -/* Disable SMI event */ -void disable_smi(u32 mask) -{ - u32 smi_en = inl(ACPI_BASE_ADDRESS + SMI_EN); - smi_en &= ~mask; - outl(smi_en, ACPI_BASE_ADDRESS + SMI_EN); -} |