2020-04-04 18:50:57 +02:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2019-04-22 22:55:16 +02:00
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#include <cpu/amd/mtrr.h>
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2020-04-16 07:52:35 +02:00
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#include <console/console.h>
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2019-04-22 22:55:16 +02:00
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#include <device/device.h>
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#include <device/pci.h>
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#include <drivers/i2c/designware/dw_i2c.h>
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#include <soc/acpi.h>
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#include <soc/cpu.h>
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2020-05-12 00:26:35 +02:00
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#include <soc/data_fabric.h>
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2019-04-22 22:55:16 +02:00
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#include <soc/pci_devs.h>
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#include <soc/southbridge.h>
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#include "chip.h"
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2020-01-21 07:05:31 +01:00
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#include <fsp/api.h>
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2019-04-22 22:55:16 +02:00
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/* Supplied by i2c.c */
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2019-06-11 20:18:20 +02:00
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extern struct device_operations picasso_i2c_mmio_ops;
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2019-04-22 22:55:16 +02:00
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extern const char *i2c_acpi_name(const struct device *dev);
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struct device_operations cpu_bus_ops = {
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2020-04-05 14:05:24 +02:00
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.read_resources = noop_read_resources,
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.set_resources = noop_set_resources,
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2019-06-11 20:18:20 +02:00
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.init = picasso_init_cpus,
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2020-03-31 17:34:52 +02:00
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.acpi_fill_ssdt = generate_cpu_entries,
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2019-04-22 22:55:16 +02:00
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};
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const char *soc_acpi_name(const struct device *dev)
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{
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if (dev->path.type == DEVICE_PATH_DOMAIN)
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return "PCI0";
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if (dev->path.type == DEVICE_PATH_USB) {
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switch (dev->path.usb.port_type) {
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case 0:
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/* Root Hub */
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return "RHUB";
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case 3:
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/* USB3 ports */
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switch (dev->path.usb.port_id) {
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case 0: return "SS01";
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case 1: return "SS02";
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case 2: return "SS03";
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}
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break;
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}
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return NULL;
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}
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if (dev->path.type != DEVICE_PATH_PCI)
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return NULL;
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2020-04-16 07:52:35 +02:00
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if (dev->bus->dev->path.type == DEVICE_PATH_DOMAIN) {
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switch (dev->path.pci.devfn) {
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case GNB_DEVFN:
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return "GNB";
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case IOMMU_DEVFN:
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return "IOMM";
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case PCIE_GPP_0_DEVFN:
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return "PBR0";
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case PCIE_GPP_1_DEVFN:
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return "PBR1";
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case PCIE_GPP_2_DEVFN:
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return "PBR2";
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case PCIE_GPP_3_DEVFN:
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return "PBR3";
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case PCIE_GPP_4_DEVFN:
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return "PBR4";
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case PCIE_GPP_5_DEVFN:
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return "PBR5";
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case PCIE_GPP_6_DEVFN:
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return "PBR6";
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case PCIE_GPP_A_DEVFN:
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return "PBRA";
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case PCIE_GPP_B_DEVFN:
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return "PBRB";
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case LPC_DEVFN:
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return "LPCB";
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case SMBUS_DEVFN:
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return "SBUS";
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default:
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printk(BIOS_WARNING, "Unknown root PCI device: dev: %d, fn: %d\n",
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PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
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return NULL;
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}
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}
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if (dev->bus->dev->path.type == DEVICE_PATH_PCI
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&& dev->bus->dev->path.pci.devfn == PCIE_GPP_A_DEVFN) {
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switch (dev->path.pci.devfn) {
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case XHCI0_DEVFN:
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return "XHC0";
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case XHCI1_DEVFN:
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return "XHC1";
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default:
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printk(BIOS_WARNING, "Unknown Bus A PCI device: dev: %d, fn: %d\n",
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PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
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return NULL;
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}
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2019-04-22 22:55:16 +02:00
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}
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2020-04-16 07:52:35 +02:00
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printk(BIOS_WARNING, "Unknown PCI device: dev: %d, fn: %d\n",
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PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn));
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return NULL;
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2019-04-22 22:55:16 +02:00
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};
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struct device_operations pci_domain_ops = {
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.read_resources = pci_domain_read_resources,
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2020-05-05 00:41:22 +02:00
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.set_resources = pci_domain_set_resources,
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2019-04-22 22:55:16 +02:00
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.scan_bus = pci_domain_scan_bus,
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.acpi_name = soc_acpi_name,
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};
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2020-05-20 00:13:06 +02:00
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static struct device_operations pci_ops_ops_bus_ab = {
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.read_resources = pci_bus_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_bus_enable_resources,
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.scan_bus = pci_scan_bridge,
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.reset_bus = pci_bus_reset,
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.acpi_fill_ssdt = acpi_device_write_pci_dev,
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};
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2019-04-22 22:55:16 +02:00
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static void enable_dev(struct device *dev)
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{
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/* Set the operations if it is a special bus type */
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2020-05-20 00:13:06 +02:00
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if (dev->path.type == DEVICE_PATH_DOMAIN) {
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2019-04-22 22:55:16 +02:00
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dev->ops = &pci_domain_ops;
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2020-05-20 00:13:06 +02:00
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} else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) {
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2019-04-22 22:55:16 +02:00
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dev->ops = &cpu_bus_ops;
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2020-05-20 00:13:06 +02:00
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} else if (dev->path.type == DEVICE_PATH_PCI) {
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if (dev->bus->dev->path.type == DEVICE_PATH_DOMAIN) {
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switch (dev->path.pci.devfn) {
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case PCIE_GPP_A_DEVFN:
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case PCIE_GPP_B_DEVFN:
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dev->ops = &pci_ops_ops_bus_ab;
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}
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}
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2019-04-22 22:55:16 +02:00
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sb_enable(dev);
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2020-05-20 00:13:06 +02:00
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} else if (dev->path.type == DEVICE_PATH_MMIO) {
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2019-04-22 22:55:16 +02:00
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if (i2c_acpi_name(dev) != NULL)
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2019-06-11 20:18:20 +02:00
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dev->ops = &picasso_i2c_mmio_ops;
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2020-05-20 00:13:06 +02:00
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}
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2019-04-22 22:55:16 +02:00
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}
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static void soc_init(void *chip_info)
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{
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2020-01-21 07:05:31 +01:00
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fsp_silicon_init(acpi_is_wakeup_s3());
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2020-05-12 00:26:35 +02:00
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data_fabric_set_mmio_np();
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2019-04-22 22:55:16 +02:00
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southbridge_init(chip_info);
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setup_bsp_ramtop();
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}
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static void soc_final(void *chip_info)
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{
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southbridge_final(chip_info);
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}
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2019-06-11 20:18:20 +02:00
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struct chip_operations soc_amd_picasso_ops = {
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CHIP_NAME("AMD Picasso SOC")
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2019-04-22 22:55:16 +02:00
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.enable_dev = enable_dev,
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.init = soc_init,
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.final = soc_final
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};
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