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 */ 25