| Felix Held | 6b248a2 | 2023-07-26 16:42:46 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <amdblocks/root_complex.h> |
| 4 | #include <cbmem.h> |
| 5 | #include <console/console.h> |
| 6 | #include <device/device.h> |
| 7 | #include <fsp/util.h> |
| 8 | #include <types.h> |
| 9 | |
| Felix Held | 5ab978f | 2024-01-30 22:05:40 +0100 | [diff] [blame] | 10 | void read_fsp_resources(struct device *dev, unsigned long *idx) |
| Felix Held | 6b248a2 | 2023-07-26 16:42:46 +0200 | [diff] [blame] | 11 | { |
| 12 | const uint32_t mem_usable = (uintptr_t)cbmem_top(); |
| 13 | const struct hob_header *hob_iterator; |
| 14 | const struct hob_resource *res; |
| 15 | |
| 16 | if (fsp_hob_iterator_init(&hob_iterator) != CB_SUCCESS) { |
| 17 | printk(BIOS_ERR, "%s incomplete because no HOB list was found\n", __func__); |
| 18 | return; |
| 19 | } |
| 20 | |
| 21 | while (fsp_hob_iterator_get_next_resource(&hob_iterator, &res) == CB_SUCCESS) { |
| 22 | if (res->type == EFI_RESOURCE_SYSTEM_MEMORY && res->addr < mem_usable) |
| 23 | /* 0 through low usable is already reported by the root complex code */ |
| 24 | continue; |
| 25 | if (res->type == EFI_RESOURCE_MEMORY_MAPPED_IO) |
| 26 | continue; /* Done separately */ |
| 27 | |
| 28 | if (res->type == EFI_RESOURCE_SYSTEM_MEMORY) |
| 29 | ram_range(dev, (*idx)++, res->addr, res->length); |
| 30 | else if (res->type == EFI_RESOURCE_MEMORY_RESERVED) |
| 31 | reserved_ram_range(dev, (*idx)++, res->addr, res->length); |
| 32 | else |
| 33 | printk(BIOS_ERR, "failed to set resources for type %d\n", res->type); |
| 34 | } |
| 35 | } |