| /* |
| * This file is part of the coreboot project. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef RAMINIT_H |
| #define RAMINIT_H |
| |
| #include <stdint.h> |
| |
| #define MAX_DIMM_SOCKETS_PER_CHANNEL 4 |
| #define MAX_NUM_CHANNELS 2 |
| #define MAX_DIMM_SOCKETS (MAX_NUM_CHANNELS * MAX_DIMM_SOCKETS_PER_CHANNEL) |
| |
| struct mem_controller { |
| pci_devfn_t d0, d0f1; // PCI bus/device/fcns of E7501 memory controller |
| |
| // SMBus addresses of DIMM slots for each channel, |
| // in order from closest to MCH to furthest away |
| // 0 == not present |
| uint16_t channel0[MAX_DIMM_SOCKETS_PER_CHANNEL]; |
| uint16_t channel1[MAX_DIMM_SOCKETS_PER_CHANNEL]; |
| }; |
| |
| void e7505_mch_init(const struct mem_controller *memctrl); |
| void e7505_mch_done(const struct mem_controller *memctrl); |
| int e7505_mch_is_ready(void); |
| |
| |
| /* Mainboard exports this. */ |
| int spd_read_byte(unsigned int device, unsigned int address); |
| |
| #endif /* RAMINIT_H */ |