2020-12-02 14:38:53 +01:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2021-02-16 23:14:42 +01:00
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#include <console/console.h>
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2020-12-02 14:38:53 +01:00
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#include <device/device.h>
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2021-02-16 23:14:42 +01:00
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#include <device/pci.h>
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2021-01-28 23:07:48 +01:00
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#include <fsp/api.h>
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2021-02-13 01:42:44 +01:00
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#include <soc/data_fabric.h>
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2021-02-16 23:14:42 +01:00
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#include <soc/pci_devs.h>
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2021-01-28 23:40:52 +01:00
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#include <soc/southbridge.h>
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2021-01-28 23:07:48 +01:00
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#include <types.h>
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2020-12-05 01:39:28 +01:00
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#include "chip.h"
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2020-12-02 14:38:53 +01:00
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2021-02-10 16:25:53 +01:00
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/* Supplied by uart.c */
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extern struct device_operations cezanne_uart_mmio_ops;
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2021-02-09 16:55:47 +01:00
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struct device_operations cpu_bus_ops = {
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2021-02-10 16:17:13 +01:00
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.read_resources = noop_read_resources,
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.set_resources = noop_set_resources,
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.init = mp_cpu_bus_init,
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2021-02-09 16:55:47 +01:00
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};
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2021-02-16 23:14:42 +01:00
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static 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_PCI)
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return NULL;
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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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};
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2021-02-05 21:46:53 +01:00
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static struct device_operations pci_domain_ops = {
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.read_resources = pci_domain_read_resources,
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.set_resources = pci_domain_set_resources,
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.scan_bus = pci_domain_scan_bus,
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2021-02-16 23:14:42 +01:00
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.acpi_name = soc_acpi_name,
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2021-02-05 21:46:53 +01:00
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};
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2021-02-09 16:56:04 +01:00
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static void set_mmio_dev_ops(struct device *dev)
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{
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2021-02-10 16:25:53 +01:00
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switch (dev->path.mmio.addr) {
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case APU_UART0_BASE:
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case APU_UART1_BASE:
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dev->ops = &cezanne_uart_mmio_ops;
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break;
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}
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2021-02-09 16:56:04 +01:00
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}
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2021-01-26 18:09:46 +01:00
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static void enable_dev(struct device *dev)
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{
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2021-02-05 21:46:53 +01:00
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/* Set the operations if it is a special bus type */
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switch (dev->path.type) {
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case DEVICE_PATH_DOMAIN:
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dev->ops = &pci_domain_ops;
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break;
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2021-02-09 16:55:47 +01:00
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case DEVICE_PATH_CPU_CLUSTER:
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dev->ops = &cpu_bus_ops;
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break;
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2021-02-09 16:56:04 +01:00
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case DEVICE_PATH_MMIO:
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set_mmio_dev_ops(dev);
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break;
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2021-02-05 21:46:53 +01:00
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default:
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break;
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}
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2021-01-26 18:09:46 +01:00
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}
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static void soc_init(void *chip_info)
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{
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2021-01-09 21:53:52 +01:00
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fsp_silicon_init();
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2021-01-28 23:40:52 +01:00
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2021-02-13 01:42:44 +01:00
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data_fabric_set_mmio_np();
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2021-01-28 23:40:52 +01:00
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fch_init(chip_info);
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2021-01-26 18:09:46 +01:00
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}
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static void soc_final(void *chip_info)
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{
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2021-01-28 23:40:52 +01:00
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fch_final(chip_info);
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2021-01-26 18:09:46 +01:00
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}
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struct chip_operations soc_amd_cezanne_ops = {
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CHIP_NAME("AMD Cezanne SoC")
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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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