blob: 62050c97825fa12b5e2e68b6a7891512ea14e848 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <intelblocks/lpc_lib.h>
#include <intelblocks/itss.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_DEVFN_HDA, int_A, cAVS_INTA_IRQ),
/*
* SMBus Controller, no default value, programmed in
* PciCfgSpace 3Dh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_SMBUS, int_A, SMBUS_INTA_IRQ),
/* GbE Controller, INTA is default, programmed in PciCfgSpace 3Dh */
DEVICE_INT_CONFIG(PCH_DEVFN_GBE, int_A, GbE_INTA_IRQ),
/* TraceHub, INTA is default, RO register */
DEVICE_INT_CONFIG(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_DEVFN_UART0, int_A, LPSS_UART0_IRQ),
/*
* SerialIo: UART #1, INTA is default,
* programmed in PCR[SERIALIO] + PCICFGCTRL[8]
*/
DEVICE_INT_CONFIG(PCH_DEVFN_UART1, int_B, LPSS_UART1_IRQ),
/*
* SerialIo: SPI #0, INTA is default,
* programmed in PCR[SERIALIO] + PCICFGCTRL[10]
*/
DEVICE_INT_CONFIG(PCH_DEVFN_GSPI0, int_C, LPSS_SPI0_IRQ),
/*
* SerialIo: SPI #1, INTA is default,
* programmed in PCR[SERIALIO] + PCICFGCTRL[11]
*/
DEVICE_INT_CONFIG(PCH_DEVFN_GSPI1, int_D, LPSS_SPI1_IRQ),
/* SCS: eMMC (SKL PCH-LP Only) */
DEVICE_INT_CONFIG(PCH_DEVFN_EMMC, int_B, eMMC_IRQ),
/* SCS: SDIO (SKL PCH-LP Only) */
DEVICE_INT_CONFIG(PCH_DEVFN_SDIO, int_C, SDIO_IRQ),
/* SCS: SDCard (SKL PCH-LP Only) */
DEVICE_INT_CONFIG(PCH_DEVFN_SDCARD, int_D, SD_IRQ),
/* PCI Express Port, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE9, int_A, PCIE_9_IRQ),
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE10, int_B, PCIE_10_IRQ),
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE11, int_C, PCIE_11_IRQ),
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE12, int_D, PCIE_12_IRQ),
/*
* PCI Express Port 1, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE1, int_A, PCIE_1_IRQ),
/*
* PCI Express Port 2, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE2, int_B, PCIE_2_IRQ),
/*
* PCI Express Port 3, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE3, int_C, PCIE_3_IRQ),
/*
* PCI Express Port 4, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE4, int_D, PCIE_4_IRQ),
/*
* PCI Express Port 5, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE5, int_A, PCIE_5_IRQ),
/*
* PCI Express Port 6, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE6, int_B, PCIE_6_IRQ),
/*
* PCI Express Port 7, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_PCIE7, int_C, PCIE_7_IRQ),
/*
* PCI Express Port 8, INT is default,
* programmed in PciCfgSpace + FCh
*/
DEVICE_INT_CONFIG(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_DEVFN_UART2, int_A, LPSS_UART2_IRQ),
/*
* SerialIo UART Controller #5, INTA is default,
* programmed in PCR[SERIALIO] + PCICFGCTRL[6]
*/
DEVICE_INT_CONFIG(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_DEVFN_I2C4, int_C, LPSS_I2C4_IRQ),
/*
* SATA Controller, INTA is default,
* programmed in PciCfgSpace + 3Dh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_SATA, int_A, SATA_IRQ),
/* CSME: HECI #1 */
DEVICE_INT_CONFIG(PCH_DEVFN_CSE, int_A, HECI_1_IRQ),
/* CSME: HECI #2 */
DEVICE_INT_CONFIG(PCH_DEVFN_CSE_2, int_B, HECI_2_IRQ),
/* CSME: IDE-Redirection (IDE-R) */
DEVICE_INT_CONFIG(PCH_DEVFN_CSE_IDER, int_C, IDER_IRQ),
/* CSME: Keyboard and Text (KT) Redirection */
DEVICE_INT_CONFIG(PCH_DEVFN_CSE_KT, int_D, KT_IRQ),
/* CSME: HECI #3 */
DEVICE_INT_CONFIG(PCH_DEVFN_CSE_3, int_A, HECI_3_IRQ),
/*
* SerialIo I2C Controller #0, INTA is default,
* programmed in PCR[SERIALIO] + PCICFGCTRL[1]
*/
DEVICE_INT_CONFIG(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_DEVFN_I2C1, int_B, LPSS_I2C1_IRQ),
/*
* SerialIo I2C Controller #2, INTA is default,
* programmed in PCR[SERIALIO] + PCICFGCTRL[3]
*/
DEVICE_INT_CONFIG(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_DEVFN_I2C3, int_D, LPSS_I2C3_IRQ),
/*
* USB 3.0 xHCI Controller, no default value,
* programmed in PciCfgSpace 3Dh
*/
DEVICE_INT_CONFIG(PCH_DEVFN_XHCI, int_A, XHCI_IRQ),
/* USB Device Controller (OTG) */
DEVICE_INT_CONFIG(PCH_DEVFN_USBOTG, int_B, OTG_IRQ),
/* Thermal Subsystem */
DEVICE_INT_CONFIG(PCH_DEVFN_THERMAL, int_C, THERMAL_IRQ),
/* Camera IO Host Controller */
DEVICE_INT_CONFIG(PCH_DEVFN_CIO, int_A, CIO_INTA_IRQ),
/* Integrated Sensor Hub */
DEVICE_INT_CONFIG(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 = pcidev_path_on_root(PCH_DEVFN_LPC);
const struct soc_intel_skylake_config *config = config_of(dev);
/* 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 programming */
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;
}
/*
* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control
* 0x00 - 0000 = Reserved
* 0x01 - 0001 = Reserved
* 0x02 - 0010 = Reserved
* 0x03 - 0011 = IRQ3
* 0x04 - 0100 = IRQ4
* 0x05 - 0101 = IRQ5
* 0x06 - 0110 = IRQ6
* 0x07 - 0111 = IRQ7
* 0x08 - 1000 = Reserved
* 0x09 - 1001 = IRQ9
* 0x0A - 1010 = IRQ10
* 0x0B - 1011 = IRQ11
* 0x0C - 1100 = IRQ12
* 0x0D - 1101 = Reserved
* 0x0E - 1110 = IRQ14
* 0x0F - 1111 = IRQ15
* PIRQ[n]_ROUT[7] - PIRQ Routing Control
* 0x80 - The PIRQ is not routed.
*/
void soc_pch_pirq_init(const struct device *dev)
{
uint8_t pch_interrupt_routing[MAX_PXRC_CONFIG];
struct device *irq_dev;
pch_interrupt_routing[0] = PCH_IRQ11;
pch_interrupt_routing[1] = PCH_IRQ10;
pch_interrupt_routing[2] = PCH_IRQ11;
pch_interrupt_routing[3] = PCH_IRQ11;
pch_interrupt_routing[4] = PCH_IRQ11;
pch_interrupt_routing[5] = PCH_IRQ11;
pch_interrupt_routing[6] = PCH_IRQ11;
pch_interrupt_routing[7] = PCH_IRQ11;
itss_irq_init(pch_interrupt_routing);
for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) {
u8 int_pin = 0, int_line = 0;
if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI)
continue;
int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN);
switch (int_pin) {
case 1: /* INTA# */
int_line = PCH_IRQ11;
break;
case 2: /* INTB# */
int_line = PCH_IRQ10;
break;
case 3: /* INTC# */
int_line = PCH_IRQ11;
break;
case 4: /* INTD# */
int_line = PCH_IRQ11;
break;
}
if (!int_line)
continue;
pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line);
}
}