/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef MAINBOARD_SPD_H #include #include #include "../gpio.h" #define MAINBOARD_SPD_H #define SPD_LEN 256 #define SPD_DRAM_TYPE 2 #define SPD_DRAM_DDR3 0x0b #define SPD_DRAM_LPDDR3 0xf1 #define SPD_DENSITY_BANKS 4 #define SPD_ADDRESSING 5 #define SPD_ORGANIZATION 7 #define SPD_BUS_DEV_WIDTH 8 #define SPD_PART_OFF 128 #define SPD_PART_LEN 18 #define SPD_MANU_OFF 148 #define HYNIX_SINGLE_CHAN 0x1 #define SAMSUNG_SINGLE_CHAN 0x4 #define MIC_SINGLE_CHAN 0x5 /* PCH_MEM_CFG[3:0] */ #define MAX_MEMORY_CONFIG 0x10 #define K4E6E304EE_MEM_ID 0x3 static inline int get_spd_index(void) { /* PCH_MEM_CFG[3:0] */ gpio_t spd_gpios[] = { GPIO_MEM_CONFIG_0, GPIO_MEM_CONFIG_1, GPIO_MEM_CONFIG_2, GPIO_MEM_CONFIG_3, }; return (gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios))); } void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1); void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1); void mainboard_fill_rcomp_res_data(void *rcomp_ptr); void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr); uintptr_t mainboard_get_spd_data(void); int mainboard_has_dual_channel_mem(void); #endif