/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef __X4X_RAMINIT_H__ #define __X4X_RAMINIT_H__ #include #define NOP_CMD 0x2 #define PRECHARGE_CMD 0x4 #define MRS_CMD 0x6 #define EMRS_CMD 0x8 #define EMRS1_CMD (EMRS_CMD | 0x10) #define EMRS2_CMD (EMRS_CMD | 0x20) #define EMRS3_CMD (EMRS_CMD | 0x30) #define ZQCAL_CMD 0xa #define CBR_CMD 0xc #define NORMALOP_CMD 0xe #define TOTAL_CHANNELS 2 #define TOTAL_DIMMS 4 #define TOTAL_BYTELANES 8 #define DIMMS_PER_CHANNEL (TOTAL_DIMMS / TOTAL_CHANNELS) #define RAW_CARD_UNPOPULATED 0xff #define RAW_CARD_POPULATED 0 #define DIMM_IS_POPULATED(dimms, idx) (dimms[idx].card_type != RAW_CARD_UNPOPULATED) #define IF_DIMM_POPULATED(dimms, idx) if (dimms[idx].card_type != RAW_CARD_UNPOPULATED) #define ONLY_DIMMA_IS_POPULATED(dimms, ch) ( \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \ !DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3))) #define ONLY_DIMMB_IS_POPULATED(dimms, ch) ( \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3) && \ !DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2))) #define BOTH_DIMMS_ARE_POPULATED(dimms, ch) ( \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 0 : 2) && \ (DIMM_IS_POPULATED(dimms, (ch == 0) ? 1 : 3)))) #define FOR_EACH_DIMM(idx) \ for (idx = 0; idx < TOTAL_DIMMS; ++idx) #define FOR_EACH_POPULATED_DIMM(dimms, idx) \ FOR_EACH_DIMM(idx) IF_DIMM_POPULATED(dimms, idx) #define FOR_EACH_DIMM_IN_CHANNEL(ch, idx) \ for (idx = (ch) << 1; idx < ((ch) << 1) + DIMMS_PER_CHANNEL; ++idx) #define FOR_EACH_POPULATED_DIMM_IN_CHANNEL(dimms, ch, idx) \ FOR_EACH_DIMM_IN_CHANNEL(ch, idx) IF_DIMM_POPULATED(dimms, idx) #define CHANNEL_IS_POPULATED(dimms, idx) \ ((dimms[idx<<1].card_type != RAW_CARD_UNPOPULATED) \ || (dimms[(idx<<1) + 1].card_type != RAW_CARD_UNPOPULATED)) #define CHANNEL_IS_CARDF(dimms, idx) \ ((dimms[idx<<1].card_type == 0xf) \ || (dimms[(idx<<1) + 1].card_type == 0xf)) #define IF_CHANNEL_POPULATED(dimms, idx) \ if ((dimms[idx<<1].card_type != RAW_CARD_UNPOPULATED) \ || (dimms[(idx<<1) + 1].card_type != RAW_CARD_UNPOPULATED)) #define FOR_EACH_CHANNEL(idx) \ for (idx = 0; idx < TOTAL_CHANNELS; ++idx) #define FOR_EACH_POPULATED_CHANNEL(dimms, idx) \ FOR_EACH_CHANNEL(idx) IF_CHANNEL_POPULATED(dimms, idx) #define RANKS_PER_CHANNEL 4 #define RANK_IS_POPULATED(dimms, ch, r) \ (((dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) && ((r) < dimms[ch<<1].ranks)) || \ ((dimms[(ch<<1) + 1].card_type != RAW_CARD_UNPOPULATED) && ((r) >= 2) && ((r) < (dimms[(ch<<1) + 1].ranks + 2)))) #define IF_RANK_POPULATED(dimms, ch, r) \ if (((dimms[ch<<1].card_type != RAW_CARD_UNPOPULATED) \ && ((r) < dimms[ch<<1].ranks)) \ || ((dimms[(ch<<1) + 1].card_type != RAW_CARD_UNPOPULATED) \ && ((r) >= 2) && ((r) < (dimms[(ch<<1) + 1].ranks + 2)))) #define FOR_EACH_RANK_IN_CHANNEL(r) \ for (r = 0; r < RANKS_PER_CHANNEL; ++r) #define FOR_EACH_POPULATED_RANK_IN_CHANNEL(dimms, ch, r) \ FOR_EACH_RANK_IN_CHANNEL(r) IF_RANK_POPULATED(dimms, ch, r) #define FOR_EACH_RANK(ch, r) \ FOR_EACH_CHANNEL(ch) FOR_EACH_RANK_IN_CHANNEL(r) #define FOR_EACH_POPULATED_RANK(dimms, ch, r) \ FOR_EACH_RANK(ch, r) IF_RANK_POPULATED(dimms, ch, r) #define FOR_EACH_BYTELANE(l) \ for (l = 0; l < TOTAL_BYTELANES; l++) #define FOR_EACH_POPULATED_CHANNEL_AND_BYTELANE(dimms, ch, l) \ FOR_EACH_POPULATED_CHANNEL (dimms, ch) FOR_EACH_BYTELANE(l) #define DDR3_MAX_CAS 18 enum fsb_clock { FSB_CLOCK_800MHz = 0, FSB_CLOCK_1066MHz = 1, FSB_CLOCK_1333MHz = 2, }; enum mem_clock { MEM_CLOCK_400MHz = 0, MEM_CLOCK_533MHz = 1, MEM_CLOCK_667MHz = 2, MEM_CLOCK_800MHz = 3, MEM_CLOCK_1066MHz = 4, MEM_CLOCK_1333MHz = 5, }; enum ddr { DDR2 = 2, DDR3 = 3, }; enum ddrxspd { DDR2SPD = 0x8, DDR3SPD = 0xb, }; enum chip_width { /* as in DDR3 spd */ CHIP_WIDTH_x4 = 0, CHIP_WIDTH_x8 = 1, CHIP_WIDTH_x16 = 2, CHIP_WIDTH_x32 = 3, }; enum chip_cap { /* as in DDR3 spd */ CHIP_CAP_256M = 0, CHIP_CAP_512M = 1, CHIP_CAP_1G = 2, CHIP_CAP_2G = 3, CHIP_CAP_4G = 4, CHIP_CAP_8G = 5, CHIP_CAP_16G = 6, }; struct dll_setting { u8 tap; u8 pi; u8 db_en; u8 db_sel; u8 clk_delay; u8 coarse; }; struct rt_dqs_setting { u8 tap; u8 pi; }; enum n_banks { N_BANKS_4 = 0, N_BANKS_8 = 1, }; struct timings { unsigned int CAS; unsigned int tclk; enum fsb_clock fsb_clk; enum mem_clock mem_clk; unsigned int tRAS; unsigned int tRP; unsigned int tRCD; unsigned int tWR; unsigned int tRFC; unsigned int tWTR; unsigned int tRRD; unsigned int tRTP; }; struct dimminfo { unsigned int card_type; /* 0xff: unpopulated, 0xa - 0xf: raw card type A - F */ enum chip_width width; unsigned int page_size; /* of whole DIMM in Bytes (4096 or 8192) */ enum n_banks n_banks; unsigned int ranks; unsigned int rows; unsigned int cols; u16 spd_crc; u8 mirrored; }; struct rcven_timings { u8 min_common_coarse; u8 coarse_offset[TOTAL_BYTELANES]; u8 medium[TOTAL_BYTELANES]; u8 tap[TOTAL_BYTELANES]; u8 pi[TOTAL_BYTELANES]; }; /* The setup is up to two DIMMs per channel */ struct sysinfo { int boot_path; enum fsb_clock max_fsb; int dimm_config[2]; int spd_type; int channel_capacity[2]; struct timings selected_timings; struct dimminfo dimms[4]; u8 spd_map[4]; struct rcven_timings rcven_t[TOTAL_CHANNELS]; /* * The rt_dqs delay register for rank 0 seems to be used * for all other ranks on the channel, so only save that */ struct rt_dqs_setting rt_dqs[TOTAL_CHANNELS][TOTAL_BYTELANES]; struct dll_setting dqs_settings[TOTAL_CHANNELS][TOTAL_BYTELANES]; struct dll_setting dq_settings[TOTAL_CHANNELS][TOTAL_BYTELANES]; u8 nmode; u8 stacked_mode; }; enum ddr2_signals { CLKSET0 = 0, CTRL0, CLKSET1, CMD, CTRL1, CTRL2, CTRL3, }; void sdram_initialize(int boot_path, const u8 *spd_map); void do_raminit(struct sysinfo *, int fast_boot); void rcven(struct sysinfo *s); u32 fsb_to_mhz(u32 speed); u32 ddr_to_mhz(u32 speed); u32 test_address(int channel, int rank); void dqsset(u8 ch, u8 lane, const struct dll_setting *setting); void dqset(u8 ch, u8 lane, const struct dll_setting *setting); void rt_set_dqs(u8 channel, u8 lane, u8 rank, struct rt_dqs_setting *dqs_setting); enum cb_err do_write_training(struct sysinfo *s); enum cb_err do_read_training(struct sysinfo *s); void search_write_leveling(struct sysinfo *s); void send_jedec_cmd(const struct sysinfo *s, u8 r, u8 ch, u8 cmd, u32 val); extern const struct dll_setting default_ddr2_667_ctrl[7]; extern const struct dll_setting default_ddr2_800_ctrl[7]; extern const struct dll_setting default_ddr3_800_ctrl[2][7]; extern const struct dll_setting default_ddr3_1067_ctrl[2][7]; extern const struct dll_setting default_ddr3_1333_ctrl[2][7]; extern const struct dll_setting default_ddr2_667_dqs[TOTAL_BYTELANES]; extern const struct dll_setting default_ddr2_800_dqs[TOTAL_BYTELANES]; extern const struct dll_setting default_ddr3_800_dqs[2][TOTAL_BYTELANES]; extern const struct dll_setting default_ddr3_1067_dqs[2][TOTAL_BYTELANES]; extern const struct dll_setting default_ddr3_1333_dqs[2][TOTAL_BYTELANES]; extern const struct dll_setting default_ddr2_667_dq[TOTAL_BYTELANES]; extern const struct dll_setting default_ddr2_800_dq[TOTAL_BYTELANES]; extern const struct dll_setting default_ddr3_800_dq[2][TOTAL_BYTELANES]; extern const struct dll_setting default_ddr3_1067_dq[2][TOTAL_BYTELANES]; extern const struct dll_setting default_ddr3_1333_dq[2][TOTAL_BYTELANES]; extern const u8 ddr3_emrs1_rtt_nom_config[16][4]; extern const u8 post_jedec_tab[3][4][2]; extern const u32 ddr3_c2_tab[2][3][6][2]; extern const u8 ddr3_c2_x264[3][6]; extern const u16 ddr3_c2_x23c[3][6]; #endif /* __X4X_RAMINIT_H__ */