| Felix Held | 7cdc429 | 2023-08-28 14:31:16 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <amdblocks/data_fabric.h> |
| 4 | #include <device/device.h> |
| 5 | #include <types.h> |
| 6 | |
| 7 | /* Read the registers and return normalized values */ |
| 8 | void data_fabric_get_mmio_base_size(unsigned int reg, resource_t *mmio_base, |
| 9 | resource_t *mmio_limit) |
| 10 | { |
| 11 | const uint32_t base_reg = data_fabric_broadcast_read32(DF_MMIO_BASE(reg)); |
| 12 | const uint32_t limit_reg = data_fabric_broadcast_read32(DF_MMIO_LIMIT(reg)); |
| 13 | /* The raw register values are bits 47..16 of the actual address */ |
| 14 | *mmio_base = (resource_t)base_reg << DF_MMIO_SHIFT; |
| 15 | *mmio_limit = (((resource_t)limit_reg + 1) << DF_MMIO_SHIFT) - 1; |
| 16 | } |