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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
*
* 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 <console/console.h>
#include <arch/io.h>
#include <device/mmio.h>
#include <arch/acpi.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include "hudson.h"
#include "smbus.h"
#include "smi.h"
#include "fchec.h"
int acpi_get_sleep_type(void)
{
u16 tmp = inw(ACPI_PM1_CNT_BLK);
tmp = ((tmp & (7 << 10)) >> 10);
return (int)tmp;
}
void pm_write8(u8 reg, u8 value)
{
write8((void *)(PM_MMIO_BASE + reg), value);
}
u8 pm_read8(u8 reg)
{
return read8((void *)(PM_MMIO_BASE + reg));
}
void pm_write16(u8 reg, u16 value)
{
write16((void *)(PM_MMIO_BASE + reg), value);
}
u16 pm_read16(u16 reg)
{
return read16((void *)(PM_MMIO_BASE + reg));
}
void hudson_enable(struct device *dev)
{
printk(BIOS_DEBUG, "hudson_enable()\n");
switch (dev->path.pci.devfn) {
case PCI_DEVFN(0x14, 7): /* SD */
if (dev->enabled == 0) {
u32 sd_device_id = pci_read_config16(dev, PCI_DEVICE_ID);
/* turn off the SDHC controller in the PM reg */
u8 reg8;
if (sd_device_id == PCI_DEVICE_ID_AMD_HUDSON_SD) {
reg8 = pm_read8(PM_HUD_SD_FLASH_CTRL);
reg8 &= ~BIT(0);
pm_write8(PM_HUD_SD_FLASH_CTRL, reg8);
}
else if (sd_device_id == PCI_DEVICE_ID_AMD_YANGTZE_SD) {
reg8 = pm_read8(PM_YANG_SD_FLASH_CTRL);
reg8 &= ~BIT(0);
pm_write8(PM_YANG_SD_FLASH_CTRL, reg8);
}
/* remove device 0:14.7 from PCI space */
reg8 = pm_read8(PM_MANUAL_RESET);
reg8 &= ~BIT(6);
pm_write8(PM_MANUAL_RESET, reg8);
}
break;
default:
break;
}
}
static void hudson_init_acpi_ports(void)
{
/* We use some of these ports in SMM regardless of whether or not
* ACPI tables are generated. Enable these ports indiscriminately.
*/
pm_write16(PM_EVT_BLK, ACPI_PM_EVT_BLK);
pm_write16(PM1_CNT_BLK, ACPI_PM1_CNT_BLK);
pm_write16(PM_TMR_BLK, ACPI_PM_TMR_BLK);
pm_write16(PM_GPE0_BLK, ACPI_GPE0_BLK);
/* CpuControl is in \_PR.CP00, 6 bytes */
pm_write16(PM_CPU_CTRL, ACPI_CPU_CONTROL);
if (IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)) {
pm_write16(PM_ACPI_SMI_CMD, ACPI_SMI_CTL_PORT);
hudson_enable_acpi_cmd_smi();
} else {
pm_write16(PM_ACPI_SMI_CMD, 0);
}
/* AcpiDecodeEnable, When set, SB uses the contents of the PM registers
* at index 60-6B to decode ACPI I/O address. AcpiSmiEn & SmiCmdEn
*/
pm_write8(PM_ACPI_CONF, BIT(0) | BIT(1) | BIT(4) | BIT(2));
}
static void hudson_init(void *chip_info)
{
hudson_init_acpi_ports();
}
static void hudson_final(void *chip_info)
{
if (IS_ENABLED(CONFIG_HUDSON_IMC_FWM)) {
agesawrapper_fchecfancontrolservice();
if (!IS_ENABLED(CONFIG_ACPI_ENABLE_THERMAL_ZONE))
enable_imc_thermal_zone();
}
}
struct chip_operations southbridge_amd_pi_hudson_ops = {
CHIP_NAME("ATI HUDSON")
.enable_dev = hudson_enable,
.init = hudson_init,
.final = hudson_final
};
|
