Felix Held | dc2d356 | 2020-12-02 14:38:53 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
Felix Held | 51c4d68 | 2021-02-16 23:14:42 +0100 | [diff] [blame^] | 3 | #include <console/console.h> |
Felix Held | dc2d356 | 2020-12-02 14:38:53 +0100 | [diff] [blame] | 4 | #include <device/device.h> |
Felix Held | 51c4d68 | 2021-02-16 23:14:42 +0100 | [diff] [blame^] | 5 | #include <device/pci.h> |
Felix Held | 86c24a2 | 2021-01-28 23:07:48 +0100 | [diff] [blame] | 6 | #include <fsp/api.h> |
Felix Held | ea32c52 | 2021-02-13 01:42:44 +0100 | [diff] [blame] | 7 | #include <soc/data_fabric.h> |
Felix Held | 51c4d68 | 2021-02-16 23:14:42 +0100 | [diff] [blame^] | 8 | #include <soc/pci_devs.h> |
Felix Held | 230dbd6 | 2021-01-28 23:40:52 +0100 | [diff] [blame] | 9 | #include <soc/southbridge.h> |
Felix Held | 86c24a2 | 2021-01-28 23:07:48 +0100 | [diff] [blame] | 10 | #include <types.h> |
Felix Held | c827278 | 2020-12-05 01:39:28 +0100 | [diff] [blame] | 11 | #include "chip.h" |
Felix Held | dc2d356 | 2020-12-02 14:38:53 +0100 | [diff] [blame] | 12 | |
Felix Held | c3ce09c | 2021-02-10 16:25:53 +0100 | [diff] [blame] | 13 | /* Supplied by uart.c */ |
| 14 | extern struct device_operations cezanne_uart_mmio_ops; |
| 15 | |
Felix Held | fd05601 | 2021-02-09 16:55:47 +0100 | [diff] [blame] | 16 | struct device_operations cpu_bus_ops = { |
Felix Held | b2d8a5c | 2021-02-10 16:17:13 +0100 | [diff] [blame] | 17 | .read_resources = noop_read_resources, |
| 18 | .set_resources = noop_set_resources, |
| 19 | .init = mp_cpu_bus_init, |
Felix Held | fd05601 | 2021-02-09 16:55:47 +0100 | [diff] [blame] | 20 | }; |
| 21 | |
Felix Held | 51c4d68 | 2021-02-16 23:14:42 +0100 | [diff] [blame^] | 22 | static const char *soc_acpi_name(const struct device *dev) |
| 23 | { |
| 24 | if (dev->path.type == DEVICE_PATH_DOMAIN) |
| 25 | return "PCI0"; |
| 26 | |
| 27 | if (dev->path.type != DEVICE_PATH_PCI) |
| 28 | return NULL; |
| 29 | |
| 30 | printk(BIOS_WARNING, "Unknown PCI device: dev: %d, fn: %d\n", |
| 31 | PCI_SLOT(dev->path.pci.devfn), PCI_FUNC(dev->path.pci.devfn)); |
| 32 | return NULL; |
| 33 | }; |
| 34 | |
Felix Held | 5a7e4a5 | 2021-02-05 21:46:53 +0100 | [diff] [blame] | 35 | static struct device_operations pci_domain_ops = { |
| 36 | .read_resources = pci_domain_read_resources, |
| 37 | .set_resources = pci_domain_set_resources, |
| 38 | .scan_bus = pci_domain_scan_bus, |
Felix Held | 51c4d68 | 2021-02-16 23:14:42 +0100 | [diff] [blame^] | 39 | .acpi_name = soc_acpi_name, |
Felix Held | 5a7e4a5 | 2021-02-05 21:46:53 +0100 | [diff] [blame] | 40 | }; |
| 41 | |
Felix Held | c8a0faa | 2021-02-09 16:56:04 +0100 | [diff] [blame] | 42 | static void set_mmio_dev_ops(struct device *dev) |
| 43 | { |
Felix Held | c3ce09c | 2021-02-10 16:25:53 +0100 | [diff] [blame] | 44 | switch (dev->path.mmio.addr) { |
| 45 | case APU_UART0_BASE: |
| 46 | case APU_UART1_BASE: |
| 47 | dev->ops = &cezanne_uart_mmio_ops; |
| 48 | break; |
| 49 | } |
Felix Held | c8a0faa | 2021-02-09 16:56:04 +0100 | [diff] [blame] | 50 | } |
| 51 | |
Felix Held | 613f9fc | 2021-01-26 18:09:46 +0100 | [diff] [blame] | 52 | static void enable_dev(struct device *dev) |
| 53 | { |
Felix Held | 5a7e4a5 | 2021-02-05 21:46:53 +0100 | [diff] [blame] | 54 | /* Set the operations if it is a special bus type */ |
| 55 | switch (dev->path.type) { |
| 56 | case DEVICE_PATH_DOMAIN: |
| 57 | dev->ops = &pci_domain_ops; |
| 58 | break; |
Felix Held | fd05601 | 2021-02-09 16:55:47 +0100 | [diff] [blame] | 59 | case DEVICE_PATH_CPU_CLUSTER: |
| 60 | dev->ops = &cpu_bus_ops; |
| 61 | break; |
Felix Held | c8a0faa | 2021-02-09 16:56:04 +0100 | [diff] [blame] | 62 | case DEVICE_PATH_MMIO: |
| 63 | set_mmio_dev_ops(dev); |
| 64 | break; |
Felix Held | 5a7e4a5 | 2021-02-05 21:46:53 +0100 | [diff] [blame] | 65 | default: |
| 66 | break; |
| 67 | } |
Felix Held | 613f9fc | 2021-01-26 18:09:46 +0100 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | static void soc_init(void *chip_info) |
| 71 | { |
Kyösti Mälkki | cc93c6e | 2021-01-09 22:53:52 +0200 | [diff] [blame] | 72 | fsp_silicon_init(); |
Felix Held | 230dbd6 | 2021-01-28 23:40:52 +0100 | [diff] [blame] | 73 | |
Felix Held | ea32c52 | 2021-02-13 01:42:44 +0100 | [diff] [blame] | 74 | data_fabric_set_mmio_np(); |
| 75 | |
Felix Held | 230dbd6 | 2021-01-28 23:40:52 +0100 | [diff] [blame] | 76 | fch_init(chip_info); |
Felix Held | 613f9fc | 2021-01-26 18:09:46 +0100 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | static void soc_final(void *chip_info) |
| 80 | { |
Felix Held | 230dbd6 | 2021-01-28 23:40:52 +0100 | [diff] [blame] | 81 | fch_final(chip_info); |
Felix Held | 613f9fc | 2021-01-26 18:09:46 +0100 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | struct chip_operations soc_amd_cezanne_ops = { |
| 85 | CHIP_NAME("AMD Cezanne SoC") |
| 86 | .enable_dev = enable_dev, |
| 87 | .init = soc_init, |
| 88 | .final = soc_final |
| 89 | }; |