| Kyösti Mälkki | 7b73e852 | 2022-11-08 04:43:41 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #ifndef RAMINIT_H |
| 4 | #define RAMINIT_H |
| 5 | |
| 6 | #include <stdint.h> |
| 7 | |
| 8 | #define MAX_DIMM_SOCKETS_PER_CHANNEL 4 |
| 9 | #define MAX_NUM_CHANNELS 2 |
| 10 | #define MAX_DIMM_SOCKETS (MAX_NUM_CHANNELS * MAX_DIMM_SOCKETS_PER_CHANNEL) |
| 11 | |
| 12 | struct mem_controller { |
| 13 | pci_devfn_t d0, d0f1; // PCI bus/device/fcns of E7501 memory controller |
| 14 | |
| 15 | // SMBus addresses of DIMM slots for each channel, |
| 16 | // in order from closest to MCH to furthest away |
| 17 | // 0 == not present |
| 18 | uint16_t channel0[MAX_DIMM_SOCKETS_PER_CHANNEL]; |
| 19 | uint16_t channel1[MAX_DIMM_SOCKETS_PER_CHANNEL]; |
| 20 | }; |
| 21 | |
| 22 | void sdram_initialize(void); |
| 23 | |
| 24 | #endif /* RAMINIT_H */ |