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
277
278
279
280
281
282
283
284
285
286
287
288
289
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016-2017 Intel Corporation.
*
* 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 <chip.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <fsp/api.h>
#include <fsp/util.h>
#include <romstage_handoff.h>
#include <soc/intel/common/vbt.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <string.h>
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
static const char *soc_acpi_name(const struct device *dev)
{
if (dev->path.type == DEVICE_PATH_DOMAIN)
return "PCI0";
if (dev->path.type != DEVICE_PATH_PCI)
return NULL;
switch (dev->path.pci.devfn) {
case SA_DEVFN_ROOT: return "MCHC";
case SA_DEVFN_IGD: return "GFX0";
case PCH_DEVFN_ISH: return "ISHB";
case PCH_DEVFN_XHCI: return "XHCI";
case PCH_DEVFN_USBOTG: return "XDCI";
case PCH_DEVFN_THERMAL: return "THRM";
case PCH_DEVFN_I2C0: return "I2C0";
case PCH_DEVFN_I2C1: return "I2C1";
case PCH_DEVFN_I2C2: return "I2C2";
case PCH_DEVFN_I2C3: return "I2C3";
case PCH_DEVFN_CSE: return "CSE1";
case PCH_DEVFN_CSE_2: return "CSE2";
case PCH_DEVFN_CSE_IDER: return "CSED";
case PCH_DEVFN_CSE_KT: return "CSKT";
case PCH_DEVFN_CSE_3: return "CSE3";
case PCH_DEVFN_SATA: return "SATA";
case PCH_DEVFN_UART2: return "UAR2";
case PCH_DEVFN_I2C4: return "I2C4";
case PCH_DEVFN_I2C5: return "I2C5";
case PCH_DEVFN_PCIE1: return "RP01";
case PCH_DEVFN_PCIE2: return "RP02";
case PCH_DEVFN_PCIE3: return "RP03";
case PCH_DEVFN_PCIE4: return "RP04";
case PCH_DEVFN_PCIE5: return "RP05";
case PCH_DEVFN_PCIE6: return "RP06";
case PCH_DEVFN_PCIE7: return "RP07";
case PCH_DEVFN_PCIE8: return "RP08";
case PCH_DEVFN_PCIE9: return "RP09";
case PCH_DEVFN_PCIE10: return "RP10";
case PCH_DEVFN_PCIE11: return "RP11";
case PCH_DEVFN_PCIE12: return "RP12";
case PCH_DEVFN_PCIE13: return "RP13";
case PCH_DEVFN_PCIE14: return "RP14";
case PCH_DEVFN_PCIE15: return "RP15";
case PCH_DEVFN_PCIE16: return "RP16";
case PCH_DEVFN_UART0: return "UAR0";
case PCH_DEVFN_UART1: return "UAR1";
case PCH_DEVFN_GSPI0: return "SPI0";
case PCH_DEVFN_GSPI1: return "SPI1";
case PCH_DEVFN_GSPI2: return "SPI2";
case PCH_DEVFN_EMMC: return "EMMC";
case PCH_DEVFN_SDCARD: return "SDXC";
case PCH_DEVFN_LPC: return "LPCB";
case PCH_DEVFN_P2SB: return "P2SB";
case PCH_DEVFN_PMC: return "PMC_";
case PCH_DEVFN_HDA: return "HDAS";
case PCH_DEVFN_SMBUS: return "SBUS";
case PCH_DEVFN_SPI: return "FSPI";
case PCH_DEVFN_GBE: return "IGBE";
case PCH_DEVFN_TRACEHUB:return "THUB";
}
return NULL;
}
#endif
static void parse_devicetree(FSP_S_CONFIG *params)
{
struct device *dev = SA_DEV_ROOT;
if (!dev) {
printk(BIOS_ERR, "Could not find root device\n");
return;
}
const config_t *config = dev->chip_info;
const int SerialIoDev[] = {
PCH_DEVFN_I2C0,
PCH_DEVFN_I2C1,
PCH_DEVFN_I2C2,
PCH_DEVFN_I2C3,
PCH_DEVFN_I2C4,
PCH_DEVFN_I2C5,
PCH_DEVFN_GSPI0,
PCH_DEVFN_GSPI1,
PCH_DEVFN_GSPI2,
PCH_DEVFN_UART0,
PCH_DEVFN_UART1,
PCH_DEVFN_UART2
};
for (int i = 0; i < ARRAY_SIZE(SerialIoDev); i++) {
dev = dev_find_slot(0, SerialIoDev[i]);
if (!dev->enabled) {
params->SerialIoDevMode[i] = PchSerialIoDisabled;
continue;
}
params->SerialIoDevMode[i] = PchSerialIoPci;
if (config->SerialIoDevMode[i] == PchSerialIoAcpi ||
config->SerialIoDevMode[i] == PchSerialIoHidden)
params->SerialIoDevMode[i] = config->SerialIoDevMode[i];
}
}
void soc_init_pre_device(void *chip_info)
{
/* Perform silicon specific init. */
fsp_silicon_init(romstage_handoff_is_resume());
/* Display FIRMWARE_VERSION_INFO_HOB */
fsp_display_fvi_version_hob();
}
static void pci_domain_set_resources(device_t dev)
{
assign_resources(dev->link_list);
}
static struct device_operations pci_domain_ops = {
.read_resources = &pci_domain_read_resources,
.set_resources = &pci_domain_set_resources,
.scan_bus = &pci_domain_scan_bus,
.ops_pci_bus = &pci_bus_default_ops,
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
.acpi_name = &soc_acpi_name,
#endif
};
static struct device_operations cpu_bus_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = DEVICE_NOOP,
.acpi_fill_ssdt_generator = generate_cpu_entries,
};
static void soc_enable(device_t dev)
{
/* Set the operations if it is a special bus type */
if (dev->path.type == DEVICE_PATH_DOMAIN)
dev->ops = &pci_domain_ops;
else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER)
dev->ops = &cpu_bus_ops;
}
struct chip_operations soc_intel_cannonlake_ops = {
CHIP_NAME("Intel Cannonlake")
.enable_dev = &soc_enable,
.init = &soc_init_pre_device,
};
/* UPD parameters to be initialized before SiliconInit */
void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
{
int i;
FSP_S_CONFIG *params = &supd->FspsConfig;
const struct device *dev = SA_DEV_ROOT;
config_t *config = dev->chip_info;
/* Parse device tree and enable/disable devices */
parse_devicetree(params);
/* Load VBT before devicetree-specific config. */
params->GraphicsConfigPtr = (uintptr_t)vbt_get();
/* Set USB OC pin to 0 first */
for (i = 0; i < ARRAY_SIZE(params->Usb2OverCurrentPin); i++) {
params->Usb2OverCurrentPin[i] = 0;
}
for (i = 0; i < ARRAY_SIZE(params->Usb3OverCurrentPin); i++) {
params->Usb3OverCurrentPin[i] = 0;
}
mainboard_silicon_init_params(params);
/* SATA */
params->SataEnable = config->SataEnable;
params->SataMode = config->SataMode;
params->SataSalpSupport = config->SataSalpSupport;
memcpy(params->SataPortsEnable, config->SataPortsEnable,
sizeof(params->SataPortsEnable));
memcpy(params->SataPortsDevSlp, config->SataPortsDevSlp,
sizeof(params->SataPortsDevSlp));
/* Lan */
params->PchLanEnable = config->PchLanEnable;
/* Audio */
params->PchHdaDspEnable = config->PchHdaDspEnable;
params->PchHdaAudioLinkHda = config->PchHdaAudioLinkHda;
/* USB */
for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) {
params->PortUsb20Enable[i] =
config->usb2_ports[i].enable;
params->Usb2OverCurrentPin[i] =
config->usb2_ports[i].ocpin;
params->Usb2AfePetxiset[i] =
config->usb2_ports[i].pre_emp_bias;
params->Usb2AfeTxiset[i] =
config->usb2_ports[i].tx_bias;
params->Usb2AfePredeemp[i] =
config->usb2_ports[i].tx_emp_enable;
params->Usb2AfePehalfbit[i] =
config->usb2_ports[i].pre_emp_bit;
}
for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) {
params->PortUsb30Enable[i] = config->usb3_ports[i].enable;
params->Usb3OverCurrentPin[i] = config->usb3_ports[i].ocpin;
if (config->usb3_ports[i].tx_de_emp) {
params->Usb3HsioTxDeEmphEnable[i] = 1;
params->Usb3HsioTxDeEmph[i] =
config->usb3_ports[i].tx_de_emp;
}
if (config->usb3_ports[i].tx_downscale_amp) {
params->Usb3HsioTxDownscaleAmpEnable[i] = 1;
params->Usb3HsioTxDownscaleAmp[i] =
config->usb3_ports[i].tx_downscale_amp;
}
}
params->XdciEnable = config->XdciEnable;
/* PCI Express */
for (i = 0; i < ARRAY_SIZE(config->PcieClkSrcUsage); i++) {
if (config->PcieClkSrcUsage[i] == 0)
config->PcieClkSrcUsage[i] = PCIE_CLK_NOTUSED;
}
memcpy(params->PcieClkSrcUsage, config->PcieClkSrcUsage,
sizeof(config->PcieClkSrcUsage));
memcpy(params->PcieClkSrcClkReq, config->PcieClkSrcClkReq,
sizeof(config->PcieClkSrcClkReq));
/* eMMC and SD */
params->ScsEmmcEnabled = config->ScsEmmcEnabled;
params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled;
params->PchScsEmmcHs400DllDataValid = config->EmmcHs400DllNeed;
if (config->EmmcHs400DllNeed == 1) {
params->PchScsEmmcHs400RxStrobeDll1 =
config->EmmcHs400RxStrobeDll1;
params->PchScsEmmcHs400TxDataDll = config->EmmcHs400TxDataDll;
}
params->ScsSdCardEnabled = config->ScsSdCardEnabled;
params->ScsUfsEnabled = config->ScsUfsEnabled;
params->Heci3Enabled = config->Heci3Enabled;
params->Device4Enable = config->Device4Enable;
params->SkipMpInit = config->FspSkipMpInit;
/* VrConfig Settings for 5 domains
* 0 = System Agent, 1 = IA Core, 2 = Ring,
* 3 = GT unsliced, 4 = GT sliced */
for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++)
fill_vr_domain_config(params, i, &config->domain_vr_config[i]);
}
/* Mainboard GPIO Configuration */
__attribute__((weak)) void mainboard_silicon_init_params(FSP_S_CONFIG *params)
{
printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
}
|
