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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
* Copyright (C) 2014 Sage Electronic Engineering, LLC.
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
*
* 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 <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <southbridge/amd/common/amd_pci_util.h>
#include <southbridge/amd/cimx/sb800/SBPLATFORM.h>
#include <southbridge/amd/cimx/sb800/pci_devs.h>
#include <southbridge/amd/cimx/cimx_util.h>
#include <northbridge/amd/agesa/family14/pci_devs.h>
/***********************************************************
* These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
* This table is responsible for physically routing the PIC and
* IOAPIC IRQs to the different PCI devices on the system. It
* is read and written via registers 0xC00/0xC01 as an
* Index/Data pair. These values are chipset and mainboard
* dependent and should be updated accordingly.
*
* These values are used by the PCI configuration space,
* MP Tables. TODO: Make ACPI use these values too.
*
* The Persimmon PCI INTA/B/C/D pins are connected to
* FCH pins INTE/F/G/H on the schematic so these need
* to be routed as well.
*/
static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
/* INTA# - INTH# */
[0x00] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,
/* Misc-nil,0,1,2, INT from Serial irq */
[0x08] = 0x00,0xF0,0x00,0x00,0x1F,0x1F,0x1F,0x1F,
/* SCI, SMBUS0, ASF, HDA, FC, GEC, PerfMon */
[0x10] = 0x1F,0x1F,0x1F,0x0A,0x1F,0x1F,0x1F,
/* IMC INT0 - 5 */
[0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,
/* USB Devs 18/19/20/22 INTA-C */
[0x30] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A,
/* IDE, SATA */
[0x40] = 0x0B,0x0B,
/* GPPInt0 - 3 */
[0x50] = 0x0A,0x0B,0x0A,0x0B
};
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 */
[0x10] = 0x09,0x1F,0x1F,0x10,0x1F,0x12,0x1F,
/* IMC INT0 - 5 */
[0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,
/* USB Devs 18/19/22/20 INTA-C */
[0x30] = 0x12,0x11,0x12,0x11,0x12,0x11,0x12,
/* IDE, SATA */
[0x40] = 0x11,0x13,
/* GPPInt0 - 3 */
[0x50] = 0x10,0x11,0x12,0x13
};
/*
* 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.
*/
/*
* Persimmon has PCI slot INTA/B/C/D connected to PIRQE/F/G/H
* but because PCI INT_PIN swizzling isn't implemented to match
* the IDSEL (dev 3) of the slot, the table is adjusted for the
* swizzle and INTA is connected to PIRQH so PINA/B/C/D on
* off-chip devices should get mapped to PIRQH/E/F/G.
*/
static const struct pirq_struct mainboard_pirq_data[] = {
/* {PCI_devfn, {PIN A, PIN B, PIN C, PIN D}}, */
{GFX_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_NC, PIRQ_NC}}, /* VGA: 01.0 */
{NB_PCIE_PORT1_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* NIC: 04.0 */
{NB_PCIE_PORT3_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* PCIe bdg: 06.0 */
{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 */
{IDE_DEVFN, {PIRQ_NC, PIRQ_IDE, PIRQ_NC, PIRQ_NC}}, /* IDE: 14.1 */
{HDA_DEVFN, {PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* HDA: 14.2 */
{SB_PCI_PORT_DEVFN, {PIRQ_H, PIRQ_E, PIRQ_F, PIRQ_G}}, /* PCI bdg: 14.4 */
{OHCI4_DEVFN, {PIRQ_NC, PIRQ_NC, PIRQ_OHCI4, PIRQ_NC}}, /* OHCI4: 14.5 */
{OHCI3_DEVFN, {PIRQ_OHCI3, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI3: 16.0 */
{EHCI3_DEVFN, {PIRQ_NC, PIRQ_EHCI3, PIRQ_NC, PIRQ_NC}}, /* EHCI3: 16.2 */
};
/* PIRQ Setup */
static void pirq_setup(void)
{
pirq_data_ptr = mainboard_pirq_data;
pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
intr_data_ptr = mainboard_intr_data;
picr_data_ptr = mainboard_picr_data;
}
/**********************************************
* Enable the dedicated functions of the board.
**********************************************/
static void mainboard_enable(struct device *dev)
{
printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
/* enable GPP CLK0 thru CLK3 (interleaved) */
/* disable GPP CLK4 thru SLT_GFX_CLK */
u8 *misc_mem_clk_cntrl = (u8 *)(ACPI_MMIO_BASE + MISC_BASE);
write8(misc_mem_clk_cntrl + 0, 0xFF);
write8(misc_mem_clk_cntrl + 1, 0xFF);
write8(misc_mem_clk_cntrl + 2, 0x00);
write8(misc_mem_clk_cntrl + 3, 0x00);
write8(misc_mem_clk_cntrl + 4, 0x00);
/*
* Initialize ASF registers to an arbitrary address because someone
* long ago set things up this way inside the SPD read code. The
* SPD read code has been made generic and moved out of the board
* directory, so the ASF init is being done here.
*/
pm_iowrite(0x29, 0x80);
pm_iowrite(0x28, 0x61);
/* Initialize the PIRQ data structures for consumption */
pirq_setup();
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
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