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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
*
* 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 <device/mmio.h>
#include <device/pci_ops.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <pc80/mc146818rtc.h>
#include <acpi/sata.h>
#include <types.h>
#include "chip.h"
#include "pch.h"
typedef struct southbridge_intel_bd82x6x_config config_t;
static inline u32 sir_read(struct device *dev, int idx)
{
pci_write_config32(dev, SATA_SIRI, idx);
return pci_read_config32(dev, SATA_SIRD);
}
static inline void sir_write(struct device *dev, int idx, u32 value)
{
pci_write_config32(dev, SATA_SIRI, idx);
pci_write_config32(dev, SATA_SIRD, value);
}
static void sata_init(struct device *dev)
{
u32 reg32;
u16 reg16;
/* Get the chip configuration */
config_t *config = dev->chip_info;
u8 sata_mode;
printk(BIOS_DEBUG, "SATA: Initializing...\n");
if (config == NULL) {
printk(BIOS_ERR, "SATA: ERROR: Device not in devicetree.cb!\n");
return;
}
if (get_option(&sata_mode, "sata_mode") != CB_SUCCESS)
/* Default to AHCI */
sata_mode = 0;
/* SATA configuration */
/* Enable BARs */
pci_write_config16(dev, PCI_COMMAND, 0x0007);
/* AHCI */
if (sata_mode == 0) {
u8 *abar;
printk(BIOS_DEBUG, "SATA: Controller in AHCI mode.\n");
/* Set Interrupt Line */
/* Interrupt Pin is set by D31IP.PIP */
pci_write_config8(dev, INTR_LN, 0x0a);
/* Set timings */
pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
IDE_PPE0 | IDE_IE0 | IDE_TIME0);
pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
IDE_ISP_5_CLOCKS | IDE_RCT_4_CLOCKS);
/* Sync DMA */
pci_write_config16(dev, IDE_SDMA_CNT, IDE_PSDE0);
pci_write_config16(dev, IDE_SDMA_TIM, 0x0001);
/* Set IDE I/O Configuration */
reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
pci_write_config32(dev, IDE_CONFIG, reg32);
/* for AHCI, Port Enable is managed in memory mapped space */
reg16 = pci_read_config16(dev, 0x92);
reg16 &= ~0x3f; /* 6 ports SKU + ORM */
reg16 |= 0x8000 | config->sata_port_map;
pci_write_config16(dev, 0x92, reg16);
/* SATA Initialization register */
pci_write_config32(dev, 0x94,
((config->sata_port_map ^ 0x3f) << 24) | 0x183);
/* Initialize AHCI memory-mapped space */
abar = (u8 *)pci_read_config32(dev, PCI_BASE_ADDRESS_5);
printk(BIOS_DEBUG, "ABAR: %p\n", abar);
/* CAP (HBA Capabilities) : enable power management */
reg32 = read32(abar + 0x00);
reg32 |= 0x0c006000; // set PSC+SSC+SALP+SSS
reg32 &= ~0x00020060; // clear SXS+EMS+PMS
/* Set ISS, if available */
if (config->sata_interface_speed_support)
{
reg32 &= ~0x00f00000;
reg32 |= (config->sata_interface_speed_support & 0x03)
<< 20;
}
write32(abar + 0x00, reg32);
/* PI (Ports implemented) */
write32(abar + 0x0c, config->sata_port_map);
(void) read32(abar + 0x0c); /* Read back 1 */
(void) read32(abar + 0x0c); /* Read back 2 */
/* CAP2 (HBA Capabilities Extended)*/
reg32 = read32(abar + 0x24);
reg32 &= ~0x00000002;
write32(abar + 0x24, reg32);
/* VSP (Vendor Specific Register */
reg32 = read32(abar + 0xa0);
reg32 &= ~0x00000005;
write32(abar + 0xa0, reg32);
} else {
/* IDE */
printk(BIOS_DEBUG, "SATA: Controller in plain mode.\n");
/* No AHCI: clear AHCI base */
pci_write_config32(dev, 0x24, 0x00000000);
/* And without AHCI BAR no memory decoding */
reg16 = pci_read_config16(dev, PCI_COMMAND);
reg16 &= ~PCI_COMMAND_MEMORY;
pci_write_config16(dev, PCI_COMMAND, reg16);
/* Native mode capable on both primary and secondary (0xa)
* or'ed with enabled (0x50) = 0xf
*/
pci_write_config8(dev, 0x09, 0x8f);
/* Set Interrupt Line */
/* Interrupt Pin is set by D31IP.PIP */
pci_write_config8(dev, INTR_LN, 0xff);
/* Set timings */
pci_write_config16(dev, IDE_TIM_PRI, IDE_DECODE_ENABLE |
IDE_ISP_3_CLOCKS | IDE_RCT_1_CLOCKS |
IDE_PPE0 | IDE_IE0 | IDE_TIME0);
pci_write_config16(dev, IDE_TIM_SEC, IDE_DECODE_ENABLE |
IDE_SITRE | IDE_ISP_3_CLOCKS |
IDE_RCT_1_CLOCKS | IDE_IE0 | IDE_TIME0);
/* Sync DMA */
pci_write_config16(dev, IDE_SDMA_CNT, IDE_SSDE0 | IDE_PSDE0);
pci_write_config16(dev, IDE_SDMA_TIM, 0x0201);
/* Set IDE I/O Configuration */
reg32 = SIG_MODE_PRI_NORMAL | FAST_PCB1 | FAST_PCB0 | PCB1 | PCB0;
pci_write_config32(dev, IDE_CONFIG, reg32);
/* Port enable */
reg16 = pci_read_config16(dev, 0x92);
reg16 &= ~0x3f;
reg16 |= config->sata_port_map;
pci_write_config16(dev, 0x92, reg16);
/* SATA Initialization register */
pci_write_config32(dev, 0x94,
((config->sata_port_map ^ 0x3f) << 24) | 0x183);
}
/* Set Gen3 Transmitter settings if needed */
if (config->sata_port0_gen3_tx)
pch_iobp_update(SATA_IOBP_SP0G3IR, 0,
config->sata_port0_gen3_tx);
if (config->sata_port1_gen3_tx)
pch_iobp_update(SATA_IOBP_SP1G3IR, 0,
config->sata_port1_gen3_tx);
/* Additional Programming Requirements */
sir_write(dev, 0x04, 0x00001600);
sir_write(dev, 0x28, 0xa0000033);
reg32 = sir_read(dev, 0x54);
reg32 &= 0xff000000;
reg32 |= 0x5555aa;
sir_write(dev, 0x54, reg32);
sir_write(dev, 0x64, 0xcccc8484);
reg32 = sir_read(dev, 0x68);
reg32 &= 0xffff0000;
reg32 |= 0xcccc;
sir_write(dev, 0x68, reg32);
reg32 = sir_read(dev, 0x78);
reg32 &= 0x0000ffff;
reg32 |= 0x88880000;
sir_write(dev, 0x78, reg32);
sir_write(dev, 0x84, 0x001c7000);
sir_write(dev, 0x88, 0x88338822);
sir_write(dev, 0xa0, 0x001c7000);
// a4
sir_write(dev, 0xc4, 0x0c0c0c0c);
sir_write(dev, 0xc8, 0x0c0c0c0c);
sir_write(dev, 0xd4, 0x10000000);
pch_iobp_update(0xea004001, 0x3fffffff, 0xc0000000);
pch_iobp_update(0xea00408a, 0xfffffcff, 0x00000100);
}
static void sata_enable(struct device *dev)
{
/* Get the chip configuration */
config_t *config = dev->chip_info;
u16 map = 0;
u8 sata_mode;
if (!config)
return;
if (get_option(&sata_mode, "sata_mode") != CB_SUCCESS)
sata_mode = 0;
/*
* Set SATA controller mode early so the resource allocator can
* properly assign IO/Memory resources for the controller.
*/
if (sata_mode == 0)
map = 0x0060;
map |= (config->sata_port_map ^ 0x3f) << 8;
pci_write_config16(dev, 0x90, map);
}
static const char *sata_acpi_name(const struct device *dev)
{
return "SATA";
}
static void sata_fill_ssdt(struct device *dev)
{
config_t *config = dev->chip_info;
generate_sata_ssdt_ports("\\_SB_.PCI0.SATA", config->sata_port_map);
}
static struct pci_operations sata_pci_ops = {
.set_subsystem = pci_dev_set_subsystem,
};
static struct device_operations sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.acpi_fill_ssdt_generator
= sata_fill_ssdt,
.init = sata_init,
.enable = sata_enable,
.scan_bus = 0,
.ops_pci = &sata_pci_ops,
.acpi_name = sata_acpi_name,
};
static const unsigned short pci_device_ids[] = { 0x1c00, 0x1c01, 0x1c02, 0x1c03,
0x1e00, 0x1e01, 0x1e02, 0x1e03,
0 };
static const struct pci_driver pch_sata __pci_driver = {
.ops = &sata_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
|
