mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <device/device.h>
#include <southbridge/amd/agesa/hudson/pci_devs.h>
#include <southbridge/amd/agesa/hudson/amd_pci_int_defs.h>
#include <southbridge/amd/common/amd_pci_util.h>
#include <northbridge/amd/agesa/family16kb/pci_devs.h>
 
static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
        /* INTA# - INTH# */
        [0x00] = 0x03,0x04,0x05,0x07,0x0B,0x0A,0x1F,0x1F,
        /* Misc-nil,0,1,2, INT from Serial irq */
        [0x08] = 0x5A,0xF1,0x00,0x00,0x1F,0x1F,0x1F,0x1F,
        /* SCI, SMBUS0, ASF, HDA, FC, RSVD, PerMon, SD */
        [0x10] = 0x1F,0x1F,0x1F,0x03,0x1F,0x1F,0x1F,0x1F, // HDA was 1F - now 03
        /* IMC INT0 - 5 */
        [0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,
        /* USB Devs 18/19/22 INTA-C */
        [0x30] = 0x05,0x04,0x05,0x04,0x04,0x05,0x04,0x05,
        /* SATA & MISSING IDE */
        [0x40] = 0x04, 0x04
};
 
static const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = {
        /* INTA# - INTH# */
        [0x00] = 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,
        /* Misc-nil,0,1,2, INT from Serial irq */
        [0x08] = 0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0x1F,
        /* SCI, SMBUS0, ASF, HDA, FC, GEC, PerMon, SD */
        [0x10] = 0x09,0x1F,0x1F,0x10,0x1F,0x10,0x1F,0x10,0x1F,0x1F,
        /* IMC INT0 - 5 */
        [0x20] = 0x05,0x1F,0x1F,0x1F,0x1F,0x1F,
        /* USB Devs 18/19/20/22 INTA-C */
        [0x30] = 0x12,0x11,0x12,0x11,0x12,0x11,0x12,
        /* SATA & MISSING IDE*/
        [0x40] = 0x11, 0x11
};
 
/*
 * This table defines the index into the picr/intr_data
 * tables for each device.  Any enabled device and slot
 * that uses hardware interrupts should have an entry
 * in this table to define its index into the FCH
 * PCI_INTR register 0xC00/0xC01.  This index will define
 * the interrupt that it should use.  Putting PIRQ_A into
 * the PIN A index for a device will tell that device to
 * use PIC IRQ 10 if it uses PIN A for its hardware INT.
 */
static const struct pirq_struct mainboard_pirq_data[] = {
        /* {PCI_devfn,  {PIN A, PIN B, PIN C, PIN D}}, */
        {GFX_DEVFN,     {PIRQ_A, PIRQ_NC, PIRQ_NC, PIRQ_NC}},                   /* VGA:         01.0 */
        {ACTL_DEVFN,{PIRQ_NC, PIRQ_B, PIRQ_NC, PIRQ_NC}},                       /* Audio:       01.1 */
        {NB_PCIE_PORT1_DEVFN,   {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}},      /* x4 PCIe:     02.1 */
        {NB_PCIE_PORT2_DEVFN,   {PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A}},      /* mPCIe:       02.2 */
        {NB_PCIE_PORT3_DEVFN,   {PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B}},      /* NIC:         02.3 */
        {NB_PCIE_PORT4_DEVFN,   {PIRQ_D, PIRQ_A, PIRQ_B, PIRQ_C}},      /* Edge:        02.4 */
        {NB_PCIE_PORT5_DEVFN,   {PIRQ_E, PIRQ_F, PIRQ_G, PIRQ_H}},      /* Edge:        02.5 */
        {XHCI_DEVFN,    {PIRQ_C, PIRQ_NC, PIRQ_NC, PIRQ_NC}},           /* XHCI:        10.0 */
        {SATA_DEVFN,    {PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC}},        /* SATA:        11.0 */
        {OHCI1_DEVFN,   {PIRQ_OHCI1, PIRQ_NC, PIRQ_NC, PIRQ_NC}},       /* OHCI1:       12.0 */
        {EHCI1_DEVFN,   {PIRQ_NC, PIRQ_EHCI1, PIRQ_NC, PIRQ_NC}},       /* EHCI1:       12.2 */
        {OHCI2_DEVFN,   {PIRQ_OHCI2, PIRQ_NC, PIRQ_NC, PIRQ_NC}},       /* OHCI2:       13.0 */
        {EHCI2_DEVFN,   {PIRQ_NC, PIRQ_EHCI2, PIRQ_NC, PIRQ_NC}},       /* EHCI2:       13.2 */
        {SMBUS_DEVFN,   {PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC}},       /* SMBUS:       14.0 */
        {HDA_DEVFN,             {PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC}},         /* HDA:         14.2 */
        {LPC_DEVFN,             {PIRQ_C, PIRQ_NC, PIRQ_NC, PIRQ_NC }},          /* LPC:         14.3 */
        {SD_DEVFN,              {PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC}},          /* SD:          14.7 */
};
 
/* PIRQ Setup */
static void pirq_setup(void)
{
        pirq_data_ptr = mainboard_pirq_data;
        pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
        intr_data_ptr = mainboard_intr_data;
        picr_data_ptr = mainboard_picr_data;
}
 
/**********************************************
 * enable the dedicated function in mainboard.
 **********************************************/
static void mainboard_enable(struct device *dev)
{
        /* Initialize the PIRQ data structures for consumption */
        pirq_setup();
}
 
struct chip_operations mainboard_ops = {
        .enable_dev = mainboard_enable,
};