summaryrefslogtreecommitdiff
path: root/src/soc/intel/denverton_ns/chip.c
blob: 05dcb76bd3da1cd4ebf8a536e5e1779140030491 (plain)
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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2015 - 2017 Intel Corp.
 * Copyright (C) 2017 Online SAS.
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 <arch/acpi.h>
#include <bootstate.h>
#include <cbfs.h>
#include <cbmem.h>
#include <console/console.h>
#include <cpu/cpu.h>
#include <device/device.h>
#include <device/pci.h>
#include <fsp/api.h>
#include <fsp/util.h>
#include <intelblocks/fast_spi.h>
#include <soc/iomap.h>
#include <soc/intel/common/vbt.h>
#include <soc/pci_devs.h>
#include <soc/ramstage.h>
#include <soc/fiamux.h>
#include <spi-generic.h>
#include <soc/hob_mem.h>

static void pci_domain_set_resources(struct device *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,
};

static struct device_operations cpu_bus_ops = {
	.read_resources = DEVICE_NOOP,
	.set_resources = DEVICE_NOOP,
	.enable_resources = DEVICE_NOOP,
	.init = denverton_init_cpus,
	.scan_bus = NULL,
#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
	.acpi_fill_ssdt_generator = generate_cpu_entries,
#endif
};

static void soc_enable_dev(struct device *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;
}

static void soc_init(void *data)
{
	fsp_silicon_init(false);
	soc_save_dimm_info();
}

static void soc_final(void *data) {}

static void soc_silicon_init_params(FSPS_UPD *silupd)
{
	size_t num;
	uint16_t supported_hsio_lanes;
	BL_HSIO_INFORMATION *hsio_config;
	BL_FIA_MUX_CONFIG_HOB *fiamux_hob_data = get_fiamux_hob_data();

	/* Configure FIA MUX PCD */
	supported_hsio_lanes =
		(uint16_t)fiamux_hob_data->FiaMuxConfig.SkuNumLanesAllowed;

	num = mainboard_get_hsio_config(&hsio_config);

	if (get_fiamux_hsio_info(supported_hsio_lanes, num, &hsio_config))
		die("HSIO Configuration is invalid, please correct it!");

	/* Check the requested FIA MUX Configuration */
	if (!(&hsio_config->FiaConfig)) {
		die("Requested FIA MUX Configuration is invalid,"
		    " please correct it!");
	}

	/* Initialize PCIE Bifurcation & HSIO configuration */
	silupd->FspsConfig.PcdBifurcationPcie0 = hsio_config->PcieBifCtr[0];
	silupd->FspsConfig.PcdBifurcationPcie1 = hsio_config->PcieBifCtr[1];

	silupd->FspsConfig.PcdFiaMuxConfigRequestPtr =
		(uint32_t)&hsio_config->FiaConfig;
}

void platform_fsp_silicon_init_params_cb(FSPS_UPD *silupd)
{
	const struct microcode *microcode_file;
	size_t microcode_len;

	microcode_file = cbfs_boot_map_with_leak("cpu_microcode_blob.bin",
		CBFS_TYPE_MICROCODE, &microcode_len);

	if ((microcode_file != NULL) && (microcode_len != 0)) {
		/* Update CPU Microcode patch base address/size */
		silupd->FspsConfig.PcdCpuMicrocodePatchBase =
		       (uint32_t)microcode_file;
		silupd->FspsConfig.PcdCpuMicrocodePatchSize =
		       (uint32_t)microcode_len;
	}

	soc_silicon_init_params(silupd);
	mainboard_silicon_init_params(silupd);
}

struct chip_operations soc_intel_denverton_ns_ops = {
	CHIP_NAME("Intel Denverton-NS SOC")
	.enable_dev = &soc_enable_dev,
	.init = &soc_init,
	.final = &soc_final
};

static void soc_set_subsystem(struct device *dev, uint32_t vendor,
			      uint32_t device)
{
	if (!vendor || !device) {
		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
				   pci_read_config32(dev, PCI_VENDOR_ID));
	} else {
		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
				   ((device & 0xffff) << 16) |
					   (vendor & 0xffff));
	}
}

struct pci_operations soc_pci_ops = {
	.set_subsystem = soc_set_subsystem,
};

/*
 * spi_flash init() needs to run unconditionally on every boot (including
 * resume) to allow write protect to be disabled for eventlog and nvram
 * updates. This needs to be done as early as possible in ramstage. Thus, add a
 * callback for entry into BS_PRE_DEVICE.
 */
static void spi_flash_init_cb(void *unused)
{
	fast_spi_init();
}

BOOT_STATE_INIT_ENTRY(BS_PRE_DEVICE, BS_ON_ENTRY, spi_flash_init_cb, NULL);