diff options
Diffstat (limited to 'src/soc/intel/fsp_baytrail/pmutil.c')
-rw-r--r-- | src/soc/intel/fsp_baytrail/pmutil.c | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/src/soc/intel/fsp_baytrail/pmutil.c b/src/soc/intel/fsp_baytrail/pmutil.c deleted file mode 100644 index 10838e3a99..0000000000 --- a/src/soc/intel/fsp_baytrail/pmutil.c +++ /dev/null @@ -1,383 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013 Google Inc. - * - * 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. - */ - -#include <stdint.h> -#include <arch/io.h> -#include <device/mmio.h> -#include <device/pci_ops.h> -#include <cbmem.h> -#include <console/console.h> - -#include <soc/iomap.h> -#include <soc/lpc.h> -#include <soc/pci_devs.h> -#include <soc/pmc.h> -#include <security/vboot/vbnv.h> - -#if defined(__SIMPLE_DEVICE__) - -static const pci_devfn_t pcu_dev = PCI_DEV(0, PCU_DEV, 0); - -static inline pci_devfn_t get_pcu_dev(void) -{ - return pcu_dev; -} - -#else /* !__SIMPLE_DEVICE__ */ -#include <device/device.h> -#include <device/pci.h> - -static struct device *pcu_dev; -static struct device *get_pcu_dev(void) -{ - if (pcu_dev == NULL) - pcu_dev = pcidev_on_root(PCU_DEV, 0); - return pcu_dev; -} -#endif - -uint16_t get_pmbase(void) -{ - return pci_read_config16(get_pcu_dev(), ABASE) & 0xfff8; -} - -static void print_num_status_bits(int num_bits, uint32_t status, - const char *bit_names[]) -{ - int i; - - if (!status) - return; - - for (i = num_bits - 1; 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); - } - } -} - -static void print_status_bits(uint32_t status, const char *bit_names[]) -{ - print_num_status_bits(32, status, bit_names); -} - -static uint32_t print_smi_status(uint32_t smi_sts) -{ - static const char *smi_sts_bits[] = { - [2] = "BIOS", - [4] = "SLP_SMI", - [5] = "APM", - [6] = "SWSMI_TMR", - [8] = "PM1", - [9] = "GPE0", - [12] = "DEVMON", - [13] = "TCO", - [14] = "PERIODIC", - [15] = "ILB", - [16] = "SMBUS_SMI", - [17] = "LEGACY_USB2", - [18] = "INTEL_USB2", - [20] = "PCI_EXP_SMI", - [26] = "SPI", - [28] = "PUNIT", - [29] = "GUNIT", - }; - - 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; -} - -static uint32_t reset_smi_status(void) -{ - uint16_t pmbase = get_pmbase(); - uint32_t smi_sts = inl(pmbase + SMI_STS); - outl(smi_sts, pmbase + SMI_STS); - return smi_sts; -} - -uint32_t clear_smi_status(void) -{ - return print_smi_status(reset_smi_status()); -} - -void enable_smi(uint32_t mask) -{ - uint16_t pmbase = get_pmbase(); - uint32_t smi_en = inl(pmbase + SMI_EN); - smi_en |= mask; - outl(smi_en, pmbase + SMI_EN); -} - -void disable_smi(uint32_t mask) -{ - uint16_t pmbase = get_pmbase(); - uint32_t smi_en = inl(pmbase + SMI_EN); - smi_en &= ~mask; - outl(smi_en, pmbase + SMI_EN); -} - -void enable_pm1_control(uint32_t mask) -{ - uint16_t pmbase = get_pmbase(); - uint32_t pm1_cnt = inl(pmbase + PM1_CNT); - pm1_cnt |= mask; - outl(pm1_cnt, pmbase + PM1_CNT); -} - -void disable_pm1_control(uint32_t mask) -{ - uint16_t pmbase = get_pmbase(); - uint32_t pm1_cnt = inl(pmbase + PM1_CNT); - pm1_cnt &= ~mask; - outl(pm1_cnt, pmbase + PM1_CNT); -} - -static uint16_t reset_pm1_status(void) -{ - uint16_t pmbase = get_pmbase(); - uint16_t pm1_sts = inw(pmbase + PM1_STS); - outw(pm1_sts, pmbase + PM1_STS); - return pm1_sts; -} - -static uint16_t print_pm1_status(uint16_t pm1_sts) -{ - static const char *pm1_sts_bits[] = { - [0] = "TMROF", - [5] = "GBL", - [8] = "PWRBTN", - [10] = "RTC", - [11] = "PRBTNOR", - [13] = "USB", - [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; -} - -uint16_t clear_pm1_status(void) -{ - return print_pm1_status(reset_pm1_status()); -} - -void enable_pm1(uint16_t events) -{ - outw(events, get_pmbase() + PM1_EN); -} - -static uint32_t print_tco_status(uint32_t tco_sts) -{ - static const char *tco_sts_bits[] = { - [3] = "TIMEOUT", - [17] = "SECOND_TO", - }; - - if (!tco_sts) - return 0; - - printk(BIOS_DEBUG, "TCO_STS: "); - print_status_bits(tco_sts, tco_sts_bits); - printk(BIOS_DEBUG, "\n"); - - return tco_sts; -} - -static uint32_t reset_tco_status(void) -{ - uint16_t pmbase = get_pmbase(); - uint32_t tco_sts = inl(pmbase + TCO_STS); - uint32_t tco_en = inl(pmbase + TCO1_CNT); - - outl(tco_sts, pmbase + TCO_STS); - return tco_sts & tco_en; -} - -uint32_t clear_tco_status(void) -{ - return print_tco_status(reset_tco_status()); -} - -void enable_gpe(uint32_t mask) -{ - uint16_t pmbase = get_pmbase(); - uint32_t gpe0_en = inl(pmbase + GPE0_EN); - gpe0_en |= mask; - outl(gpe0_en, pmbase + GPE0_EN); -} - -void disable_gpe(uint32_t mask) -{ - uint16_t pmbase = get_pmbase(); - uint32_t gpe0_en = inl(pmbase + GPE0_EN); - gpe0_en &= ~mask; - outl(gpe0_en, pmbase + GPE0_EN); -} - -void disable_all_gpe(void) -{ - disable_gpe(~0); -} - - -static uint32_t reset_gpe_status(void) -{ - uint16_t pmbase = get_pmbase(); - uint32_t gpe_sts = inl(pmbase + GPE0_STS); - outl(gpe_sts, pmbase + GPE0_STS); - return gpe_sts; -} - -static uint32_t print_gpe_sts(uint32_t gpe_sts) -{ - static const char *gpe_sts_bits[] = { - [1] = "HOTPLUG", - [2] = "SWGPE", - [3] = "PCIE_WAKE0", - [4] = "PUNIT", - [5] = "GUNIT", - [6] = "PCIE_WAKE1", - [7] = "PCIE_WAKE2", - [8] = "PCIE_WAKE3", - [9] = "PCI_EXP", - [10] = "BATLOW", - [13] = "PME_B0", - [16] = "SUS_GPIO_0", - [17] = "SUS_GPIO_1", - [18] = "SUS_GPIO_2", - [19] = "SUS_GPIO_3", - [20] = "SUS_GPIO_4", - [21] = "SUS_GPIO_5", - [22] = "SUS_GPIO_6", - [23] = "SUS_GPIO_7", - [24] = "CORE_GPIO_0", - [25] = "CORE_GPIO_1", - [26] = "CORE_GPIO_2", - [27] = "CORE_GPIO_3", - [28] = "CORE_GPIO_4", - [29] = "CORE_GPIO_5", - [30] = "CORE_GPIO_6", - [31] = "CORE_GPIO_7", - }; - - if (!gpe_sts) - return gpe_sts; - - printk(BIOS_DEBUG, "GPE0a_STS: "); - print_status_bits(gpe_sts, gpe_sts_bits); - printk(BIOS_DEBUG, "\n"); - - return gpe_sts; -} - -uint32_t clear_gpe_status(void) -{ - return print_gpe_sts(reset_gpe_status()); -} - -static uint32_t reset_alt_status(void) -{ - uint16_t pmbase = get_pmbase(); - uint32_t alt_gpio_smi = inl(pmbase + ALT_GPIO_SMI); - outl(alt_gpio_smi, pmbase + ALT_GPIO_SMI); - return alt_gpio_smi; -} - -static uint32_t print_alt_sts(uint32_t alt_gpio_smi) -{ - uint32_t alt_gpio_sts; - static const char *alt_gpio_smi_sts_bits[] = { - [0] = "SUS_GPIO_0", - [1] = "SUS_GPIO_1", - [2] = "SUS_GPIO_2", - [3] = "SUS_GPIO_3", - [4] = "SUS_GPIO_4", - [5] = "SUS_GPIO_5", - [6] = "SUS_GPIO_6", - [7] = "SUS_GPIO_7", - [8] = "CORE_GPIO_0", - [9] = "CORE_GPIO_1", - [10] = "CORE_GPIO_2", - [11] = "CORE_GPIO_3", - [12] = "CORE_GPIO_4", - [13] = "CORE_GPIO_5", - [14] = "CORE_GPIO_6", - [15] = "CORE_GPIO_7", - }; - - /* Status bits are in the upper 16 bits. */ - alt_gpio_sts = alt_gpio_smi >> 16; - if (!alt_gpio_sts) - return alt_gpio_smi; - - printk(BIOS_DEBUG, "ALT_GPIO_SMI: "); - print_num_status_bits(16, alt_gpio_sts, alt_gpio_smi_sts_bits); - printk(BIOS_DEBUG, "\n"); - - return alt_gpio_smi; -} - -uint32_t clear_alt_status(void) -{ - return print_alt_sts(reset_alt_status()); -} - -void clear_pmc_status(void) -{ - uint32_t prsts; - uint32_t gen_pmcon1; - - prsts = read32((u32 *)(PMC_BASE_ADDRESS + PRSTS)); - gen_pmcon1 = read32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1)); - - /* Clear the status bits. The RPS field is cleared on a 0 write. */ - write32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1), gen_pmcon1 & ~RPS); - write32((u32 *)(PMC_BASE_ADDRESS + PRSTS), prsts); -} - -int vbnv_cmos_failed(void) -{ - uint32_t gen_pmcon1; - int rtc_fail; - struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE); - - if (ps != NULL) - gen_pmcon1 = ps->gen_pmcon1; - else - gen_pmcon1 = read32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1)); - - rtc_fail = !!(gen_pmcon1 & RPS); - - if (rtc_fail) - printk(BIOS_DEBUG, "RTC failure.\n"); - - return rtc_fail; -} |