1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <amdblocks/acpimmio.h>
#include <console/console.h>
#include <device/device.h>
#include <device/mmio.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 <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 CLK1 */
/* disable GPP CLK2 thru SLT_GFX_CLK */
misc_write8(0, 0xff);
misc_write8(1, 0);
misc_write8(2, 0);
misc_write8(3, 0);
misc_write8(4, 0);
/*
* 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_write8(0x29, 0x80);
pm_write8(0x28, 0x61);
/* Initialize the PIRQ data structures for consumption */
pirq_setup();
}
struct chip_operations mainboard_ops = {
.enable_dev = mainboard_enable,
};
|
