diff options
Diffstat (limited to 'src/soc/intel/skylake/irq.c')
| -rw-r--r-- | src/soc/intel/skylake/irq.c | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/irq.c b/src/soc/intel/skylake/irq.c new file mode 100644 index 0000000000..6d3aa7b393 --- /dev/null +++ b/src/soc/intel/skylake/irq.c @@ -0,0 +1,269 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corporation. + * + * 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 <device/device.h> +#include <device/pci.h> +#include <soc/ramstage.h> +#include <soc/interrupt.h> +#include <soc/irq.h> +#include <string.h> + +static const SI_PCH_DEVICE_INTERRUPT_CONFIG devintconfig[] = { + /* + * cAVS(Audio, Voice, Speech), INTA is default, programmed in + * PciCfgSpace 3Dh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_LPC, + PCI_FUNC(PCH_DEVFN_HDA), int_A, cAVS_INTA_IRQ), + /* + * SMBus Controller, no default value, programmed in + * PciCfgSpace 3Dh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_LPC, + PCI_FUNC(PCH_DEVFN_SMBUS), int_A, SMBUS_INTA_IRQ), + /* GbE Controller, INTA is default, programmed in PciCfgSpace 3Dh */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_LPC, + PCI_FUNC(PCH_DEVFN_GBE), int_A, GbE_INTA_IRQ), + /* TraceHub, INTA is default, RO register */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_LPC, + PCI_FUNC(PCH_DEVFN_TRACEHUB), int_A, + TRACE_HUB_INTA_IRQ), + /* + * SerialIo: UART #0, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[7] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_STORAGE, + PCI_FUNC(PCH_DEVFN_UART0), int_A, LPSS_UART0_IRQ), + /* + * SerialIo: UART #1, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[8] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_STORAGE, + PCI_FUNC(PCH_DEVFN_UART1), int_B, LPSS_UART1_IRQ), + /* + * SerialIo: SPI #0, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[10] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_STORAGE, + PCI_FUNC(PCH_DEVFN_GSPI0), int_C, LPSS_SPI0_IRQ), + /* + * SerialIo: SPI #1, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[11] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_STORAGE, + PCI_FUNC(PCH_DEVFN_GSPI1), int_D, LPSS_SPI1_IRQ), + /* SCS: eMMC (SKL PCH-LP Only) */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_STORAGE, + PCI_FUNC(PCH_DEVFN_EMMC), int_B, eMMC_IRQ), + /* SCS: SDIO (SKL PCH-LP Only) */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_STORAGE, + PCI_FUNC(PCH_DEVFN_SDIO), int_C, SDIO_IRQ), + /* SCS: SDCard (SKL PCH-LP Only) */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_STORAGE, + PCI_FUNC(PCH_DEVFN_SDCARD), int_D, SD_IRQ), + /* PCI Express Port, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE_1, + PCI_FUNC(PCH_DEVFN_PCIE9), int_A, PCIE_9_IRQ), + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE_1, + PCI_FUNC(PCH_DEVFN_PCIE10), int_B, PCIE_10_IRQ), + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE_1, + PCI_FUNC(PCH_DEVFN_PCIE11), int_C, PCIE_11_IRQ), + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE_1, + PCI_FUNC(PCH_DEVFN_PCIE12), int_D, PCIE_12_IRQ), + /* + * PCI Express Port 1, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE1), int_A, PCIE_1_IRQ), + /* + * PCI Express Port 2, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE2), int_B, PCIE_2_IRQ), + /* + * PCI Express Port 3, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE3), int_C, PCIE_3_IRQ), + /* + * PCI Express Port 4, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE4), int_D, PCIE_4_IRQ), + /* + * PCI Express Port 5, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE5), int_A, PCIE_5_IRQ), + /* + * PCI Express Port 6, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE6), int_B, PCIE_6_IRQ), + /* + * PCI Express Port 7, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE7), int_C, PCIE_7_IRQ), + /* + * PCI Express Port 8, INT is default, + * programmed in PciCfgSpace + FCh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_PCIE, + PCI_FUNC(PCH_DEVFN_PCIE8), int_D, PCIE_8_IRQ), + /* + * SerialIo UART Controller #2, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[9] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SIO2, + PCI_FUNC(PCH_DEVFN_UART2), int_A, LPSS_UART2_IRQ), + /* + * SerialIo UART Controller #5, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[6] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SIO2, + PCI_FUNC(PCH_DEVFN_I2C5), int_B, LPSS_I2C5_IRQ), + /* + * SerialIo UART Controller #4, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[5] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SIO2, + PCI_FUNC(PCH_DEVFN_I2C4), int_C, LPSS_I2C4_IRQ), + /* + * SATA Controller, INTA is default, + * programmed in PciCfgSpace + 3Dh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SATA, + PCI_FUNC(PCH_DEVFN_SATA), int_A, SATA_IRQ), + /* CSME: HECI #1 */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_ME, + PCI_FUNC(PCH_DEVFN_ME), int_A, HECI_1_IRQ), + /* CSME: HECI #2 */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_ME, + PCI_FUNC(PCH_DEVFN_ME_2), int_B, HECI_2_IRQ), + /* CSME: IDE-Redirection (IDE-R) */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_ME, + PCI_FUNC(PCH_DEVFN_ME_IDER), int_C, IDER_IRQ), + /* CSME: Keyboard and Text (KT) Redirection */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_ME, + PCI_FUNC(PCH_DEVFN_ME_KT), int_D, KT_IRQ), + /* CSME: HECI #3 */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_ME, + PCI_FUNC(PCH_DEVFN_ME_3), int_A, HECI_3_IRQ), + /* + * SerialIo I2C Controller #0, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[1] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SIO1, + PCI_FUNC(PCH_DEVFN_I2C0), int_A, LPSS_I2C0_IRQ), + /* + * SerialIo I2C Controller #1, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[2] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SIO1, + PCI_FUNC(PCH_DEVFN_I2C1), int_B, LPSS_I2C1_IRQ), + /* + * SerialIo I2C Controller #2, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[3] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SIO1, + PCI_FUNC(PCH_DEVFN_I2C2), int_C, LPSS_I2C2_IRQ), + /* + * SerialIo I2C Controller #3, INTA is default, + * programmed in PCR[SERIALIO] + PCICFGCTRL[4] + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_SIO1, + PCI_FUNC(PCH_DEVFN_I2C3), int_D, LPSS_I2C3_IRQ), + /* + * USB 3.0 xHCI Controller, no default value, + * programmed in PciCfgSpace 3Dh + */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_XHCI, + PCI_FUNC(PCH_DEVFN_XHCI), int_A, XHCI_IRQ), + /* USB Device Controller (OTG) */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_XHCI, + PCI_FUNC(PCH_DEVFN_USBOTG), int_B, OTG_IRQ), + /* Thermal Subsystem */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_XHCI, + PCI_FUNC(PCH_DEVFN_THERMAL), int_C, THRMAL_IRQ), + /* Camera IO Host Controller */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_XHCI, + PCI_FUNC(PCH_DEVFN_CIO), int_A, CIO_INTA_IRQ), + /* Integrated Sensor Hub */ + DEVICE_INT_CONFIG(PCH_DEV_SLOT_ISH, + PCI_FUNC(PCH_DEVFN_ISH), int_A, ISH_IRQ) +}; + +void soc_irq_settings(FSP_SIL_UPD *params) +{ + + uint32_t i, intdeventry; + u8 irq_config[PCH_MAX_IRQ_CONFIG]; + const struct device *dev = dev_find_slot(0, PCH_DEVFN_LPC); + const struct soc_intel_skylake_config *config = dev->chip_info; + + /* Get Device Int Count */ + intdeventry = ARRAY_SIZE(devintconfig); + /* update irq table */ + memcpy((SI_PCH_DEVICE_INTERRUPT_CONFIG *) + (params->DevIntConfigPtr), devintconfig, intdeventry * + sizeof(SI_PCH_DEVICE_INTERRUPT_CONFIG)); + + params->NumOfDevIntConfig = intdeventry; + /* PxRC to IRQ programing */ + for (i = 0; i < PCH_MAX_IRQ_CONFIG; i++) { + switch (i) { + case PCH_PARC: + case PCH_PCRC: + case PCH_PDRC: + case PCH_PERC: + case PCH_PFRC: + case PCH_PGRC: + case PCH_PHRC: + irq_config[i] = PCH_IRQ11; + break; + case PCH_PBRC: + irq_config[i] = PCH_IRQ10; + break; + } + } + memcpy(params->PxRcConfig, irq_config, PCH_MAX_IRQ_CONFIG); + /* GPIO IRQ Route The valid values is 14 or 15 */ + if (config->GpioIrqSelect == 0) + params->GpioIrqRoute = GPIO_IRQ14; + else + params->GpioIrqRoute = config->GpioIrqSelect; + /* SCI IRQ Select The valid values is 9, 10, 11 and 20 21, 22, 23 */ + if (config->SciIrqSelect == 0) + params->SciIrqSelect = SCI_IRQ9; + else + params->SciIrqSelect = config->SciIrqSelect; + /* TCO IRQ Select The valid values is 9, 10, 11, 20 21, 22, 23 */ + if (config->TcoIrqSelect == 0) + params->TcoIrqSelect = TCO_IRQ9; + else + params->TcoIrqSelect = config->TcoIrqSelect; + /* TCO Irq enable/disable */ + params->TcoIrqEnable = config->TcoIrqEnable; +} |