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authorEdward O'Callaghan <eocallaghan@alterapraxis.com>2014-05-30 11:35:33 +1000
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-06-20 19:54:39 +0200
commitd309eb145dbb0e79b0b678dc623949e12c15e02f (patch)
treef0d8dc086ad4d0c3685eafcdf9da97899ceeffd6 /src/mainboard/jetway/nf81-t56n-lf/mainboard.c
parent4d9b77287e583c89fea4bac9f1c264b01dcab981 (diff)
downloadcoreboot-d309eb145dbb0e79b0b678dc623949e12c15e02f.tar.xz
mainboard/jetway/nf81-t56n-lf: Port recent Persimmon changes
Port to recent reference board (AMD Persimmon) changes in commits: c93a75a AMD/CIMx: Add functions for AMD PCI IRQ routing Change-Id: I307709bfee554bc64788a973da6d9313ca7c0de2 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/5882 Tested-by: build bot (Jenkins) Reviewed-by: Mike Loptien <mike.loptien@se-eng.com>
Diffstat (limited to 'src/mainboard/jetway/nf81-t56n-lf/mainboard.c')
-rw-r--r--src/mainboard/jetway/nf81-t56n-lf/mainboard.c103
1 files changed, 102 insertions, 1 deletions
diff --git a/src/mainboard/jetway/nf81-t56n-lf/mainboard.c b/src/mainboard/jetway/nf81-t56n-lf/mainboard.c
index 7e1c367ae7..7ad30028f6 100644
--- a/src/mainboard/jetway/nf81-t56n-lf/mainboard.c
+++ b/src/mainboard/jetway/nf81-t56n-lf/mainboard.c
@@ -2,6 +2,8 @@
* 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
@@ -29,11 +31,107 @@
#include <device/pci_def.h>
#include <southbridge/amd/cimx/sb800/SBPLATFORM.h>
-#include <southbridge/amd/sb800/sb800.h>
+#include <southbridge/amd/cimx/sb800/pci_devs.h>
+#include <southbridge/amd/cimx/cimx_util.h>
+#include <northbridge/amd/agesa/family14/pci_devs.h>
void set_pcie_reset(void);
void set_pcie_dereset(void);
+/***********************************************************
+ * 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 isnt 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;
+}
+
/**
* TODO
* SB CIMx callback
@@ -83,6 +181,9 @@ static void mainboard_enable(device_t dev)
*/
pm_iowrite(0x29, 0x80);
pm_iowrite(0x28, 0x61);
+
+ /* Initialize the PIRQ data structures for consumption */
+ pirq_setup();
}
struct chip_operations mainboard_ops = {