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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Intel Corp.
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
* (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.)
*
* 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 <bootstate.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 <memrange.h>
#include <soc/iomap.h>
#include <soc/cpu.h>
#include <soc/intel/common/vbt.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include "chip.h"
static void *vbt;
static struct region_device vbt_rdev;
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,
.enable_resources = NULL,
.init = NULL,
.scan_bus = pci_domain_scan_bus,
.ops_pci_bus = pci_bus_default_ops,
};
static struct device_operations cpu_bus_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
.init = apollolake_init_cpus,
.scan_bus = NULL,
};
static void enable_dev(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;
}
}
static void soc_init(void *data)
{
struct range_entry range;
struct global_nvs_t *gnvs;
/* Save VBT info and mapping */
if (locate_vbt(&vbt_rdev) != CB_ERR)
vbt = rdev_mmap_full(&vbt_rdev);
/* TODO: tigten this resource range */
/* TODO: fix for S3 resume, as this would corrupt OS memory */
range_entry_init(&range, 0x200000, 4ULL*GiB, 0);
fsp_silicon_init(&range);
/* Allocate ACPI NVS in CBMEM */
gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(*gnvs));
}
static void soc_final(void *data)
{
if (vbt)
rdev_munmap(&vbt_rdev, vbt);
}
void platform_fsp_silicon_init_params_cb(struct FSPS_UPD *silupd)
{
struct FSP_S_CONFIG *silconfig = &silupd->FspsConfig;
static struct soc_intel_apollolake_config *cfg;
/* Load VBT before devicetree-specific config. */
silconfig->GraphicsConfigPtr = (uintptr_t)vbt;
struct device *dev = dev_find_slot(NB_BUS, NB_DEVFN);
if (!dev || !dev->chip_info) {
printk(BIOS_ERR, "BUG! Could not find SOC devicetree config\n");
return;
}
cfg = dev->chip_info;
silconfig->PcieRpClkReqNumber[0] = cfg->pcie_rp0_clkreq_pin;
silconfig->PcieRpClkReqNumber[1] = cfg->pcie_rp1_clkreq_pin;
silconfig->PcieRpClkReqNumber[2] = cfg->pcie_rp2_clkreq_pin;
silconfig->PcieRpClkReqNumber[3] = cfg->pcie_rp3_clkreq_pin;
silconfig->PcieRpClkReqNumber[4] = cfg->pcie_rp4_clkreq_pin;
silconfig->PcieRpClkReqNumber[5] = cfg->pcie_rp5_clkreq_pin;
/* Our defaults may not match FSP defaults, so set them explicitly */
silconfig->AcpiBase = ACPI_PMIO_BASE;
/* First 4k in BAR0 is used for IPC, real registers start at 4k offset */
silconfig->PmcBase = PMC_BAR0 + 0x1000;
silconfig->P2sbBase = P2SB_BAR;
silconfig->IshEnable = cfg->integrated_sensor_hub_enable;
}
struct chip_operations soc_intel_apollolake_ops = {
CHIP_NAME("Intel Apollolake SOC")
.enable_dev = &enable_dev,
.init = &soc_init,
.final = &soc_final
};
static void fsp_notify_dummy(void *arg)
{
enum fsp_notify_phase ph = (enum fsp_notify_phase) arg;
if (fsp_notify(ph) != FSP_SUCCESS)
printk(BIOS_CRIT, "FspNotify failed!\n");
/* Call END_OF_FIRMWARE Notify after READY_TO_BOOT Notify */
if (ph == READY_TO_BOOT)
fsp_notify_dummy((void *)END_OF_FIRMWARE);
}
BOOT_STATE_INIT_ENTRY(BS_DEV_RESOURCES, BS_ON_EXIT, fsp_notify_dummy,
(void *) AFTER_PCI_ENUM);
BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, fsp_notify_dummy,
(void *) READY_TO_BOOT);
BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, fsp_notify_dummy,
(void *) READY_TO_BOOT);
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