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Kumar Gala58e5e9a2008-08-26 15:01:29 -05001/*
York Sun34e026f2014-03-27 17:54:47 -07002 * Copyright 2008-2014 Freescale Semiconductor, Inc.
Kumar Gala58e5e9a2008-08-26 15:01:29 -05003 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * Version 2 as published by the Free Software Foundation.
7 */
8
9#ifndef FSL_DDR_MEMCTL_H
10#define FSL_DDR_MEMCTL_H
11
12/*
13 * Pick a basic DDR Technology.
14 */
15#include <ddr_spd.h>
York Sun34e026f2014-03-27 17:54:47 -070016#include <fsl_ddrc_version.h>
Kumar Gala58e5e9a2008-08-26 15:01:29 -050017
York Sun34e026f2014-03-27 17:54:47 -070018#define SDRAM_TYPE_DDR1 2
19#define SDRAM_TYPE_DDR2 3
20#define SDRAM_TYPE_LPDDR1 6
21#define SDRAM_TYPE_DDR3 7
22#define SDRAM_TYPE_DDR4 5
Kumar Gala58e5e9a2008-08-26 15:01:29 -050023
Dave Liuc360cea2009-03-14 12:48:30 +080024#define DDR_BL4 4 /* burst length 4 */
25#define DDR_BC4 DDR_BL4 /* burst chop for ddr3 */
26#define DDR_OTF 6 /* on-the-fly BC4 and BL8 */
27#define DDR_BL8 8 /* burst length 8 */
28
York Sune1fd16b2011-01-10 12:03:00 +000029#define DDR3_RTT_OFF 0
Dave Liuf8d05e52010-03-05 12:23:00 +080030#define DDR3_RTT_60_OHM 1 /* RTT_Nom = RZQ/4 */
31#define DDR3_RTT_120_OHM 2 /* RTT_Nom = RZQ/2 */
32#define DDR3_RTT_40_OHM 3 /* RTT_Nom = RZQ/6 */
33#define DDR3_RTT_20_OHM 4 /* RTT_Nom = RZQ/12 */
34#define DDR3_RTT_30_OHM 5 /* RTT_Nom = RZQ/8 */
35
York Sun4e573822011-08-26 11:32:43 -070036#define DDR2_RTT_OFF 0
37#define DDR2_RTT_75_OHM 1
38#define DDR2_RTT_150_OHM 2
39#define DDR2_RTT_50_OHM 3
40
York Sun5614e712013-09-30 09:22:09 -070041#if defined(CONFIG_SYS_FSL_DDR1)
Kumar Gala58e5e9a2008-08-26 15:01:29 -050042#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (1)
43typedef ddr1_spd_eeprom_t generic_spd_eeprom_t;
44#ifndef CONFIG_FSL_SDRAM_TYPE
45#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR1
46#endif
York Sun5614e712013-09-30 09:22:09 -070047#elif defined(CONFIG_SYS_FSL_DDR2)
Kumar Gala58e5e9a2008-08-26 15:01:29 -050048#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3)
49typedef ddr2_spd_eeprom_t generic_spd_eeprom_t;
50#ifndef CONFIG_FSL_SDRAM_TYPE
51#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR2
52#endif
York Sun5614e712013-09-30 09:22:09 -070053#elif defined(CONFIG_SYS_FSL_DDR3)
Kumar Gala58e5e9a2008-08-26 15:01:29 -050054#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3) /* FIXME */
55typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
Dave Liu22ff3d02008-11-21 16:31:29 +080056#ifndef CONFIG_FSL_SDRAM_TYPE
57#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR3
Kumar Gala58e5e9a2008-08-26 15:01:29 -050058#endif
York Sun34e026f2014-03-27 17:54:47 -070059#elif defined(CONFIG_SYS_FSL_DDR4)
60#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (3) /* FIXME */
61typedef struct ddr4_spd_eeprom_s generic_spd_eeprom_t;
62#ifndef CONFIG_FSL_SDRAM_TYPE
63#define CONFIG_FSL_SDRAM_TYPE SDRAM_TYPE_DDR4
64#endif
York Sun5614e712013-09-30 09:22:09 -070065#endif /* #if defined(CONFIG_SYS_FSL_DDR1) */
Kumar Gala58e5e9a2008-08-26 15:01:29 -050066
York Sune1fd16b2011-01-10 12:03:00 +000067#define FSL_DDR_ODT_NEVER 0x0
68#define FSL_DDR_ODT_CS 0x1
69#define FSL_DDR_ODT_ALL_OTHER_CS 0x2
70#define FSL_DDR_ODT_OTHER_DIMM 0x3
71#define FSL_DDR_ODT_ALL 0x4
72#define FSL_DDR_ODT_SAME_DIMM 0x5
73#define FSL_DDR_ODT_CS_AND_OTHER_DIMM 0x6
74#define FSL_DDR_ODT_OTHER_CS_ONSAMEDIMM 0x7
75
Haiying Wangdbbbb3a2008-10-03 12:36:39 -040076/* define bank(chip select) interleaving mode */
77#define FSL_DDR_CS0_CS1 0x40
78#define FSL_DDR_CS2_CS3 0x20
79#define FSL_DDR_CS0_CS1_AND_CS2_CS3 (FSL_DDR_CS0_CS1 | FSL_DDR_CS2_CS3)
80#define FSL_DDR_CS0_CS1_CS2_CS3 (FSL_DDR_CS0_CS1_AND_CS2_CS3 | 0x04)
81
82/* define memory controller interleaving mode */
83#define FSL_DDR_CACHE_LINE_INTERLEAVING 0x0
84#define FSL_DDR_PAGE_INTERLEAVING 0x1
85#define FSL_DDR_BANK_INTERLEAVING 0x2
86#define FSL_DDR_SUPERBANK_INTERLEAVING 0x3
York Sun6b1e1252014-02-10 13:59:44 -080087#define FSL_DDR_256B_INTERLEAVING 0x8
York Suna4c66502012-08-17 08:22:39 +000088#define FSL_DDR_3WAY_1KB_INTERLEAVING 0xA
89#define FSL_DDR_3WAY_4KB_INTERLEAVING 0xC
90#define FSL_DDR_3WAY_8KB_INTERLEAVING 0xD
91/* placeholder for 4-way interleaving */
92#define FSL_DDR_4WAY_1KB_INTERLEAVING 0x1A
93#define FSL_DDR_4WAY_4KB_INTERLEAVING 0x1C
94#define FSL_DDR_4WAY_8KB_INTERLEAVING 0x1D
Haiying Wangdbbbb3a2008-10-03 12:36:39 -040095
York Sun123922b2012-10-08 07:44:23 +000096#define SDRAM_CS_CONFIG_EN 0x80000000
97
Poonam_Aggrwal-b10812e1be0d22009-01-04 08:46:38 +053098/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
99 */
100#define SDRAM_CFG_MEM_EN 0x80000000
101#define SDRAM_CFG_SREN 0x40000000
102#define SDRAM_CFG_ECC_EN 0x20000000
103#define SDRAM_CFG_RD_EN 0x10000000
104#define SDRAM_CFG_SDRAM_TYPE_DDR1 0x02000000
105#define SDRAM_CFG_SDRAM_TYPE_DDR2 0x03000000
106#define SDRAM_CFG_SDRAM_TYPE_MASK 0x07000000
107#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24
108#define SDRAM_CFG_DYN_PWR 0x00200000
Matthew McClintock9c6b47d2012-08-13 08:10:37 +0000109#define SDRAM_CFG_DBW_MASK 0x00180000
York Sunf31cfd12012-10-08 07:44:24 +0000110#define SDRAM_CFG_DBW_SHIFT 19
Poonam_Aggrwal-b10812e1be0d22009-01-04 08:46:38 +0530111#define SDRAM_CFG_32_BE 0x00080000
Poonam Aggrwal0b3b1762011-02-07 15:09:51 +0530112#define SDRAM_CFG_16_BE 0x00100000
Poonam_Aggrwal-b10812e1be0d22009-01-04 08:46:38 +0530113#define SDRAM_CFG_8_BE 0x00040000
114#define SDRAM_CFG_NCAP 0x00020000
115#define SDRAM_CFG_2T_EN 0x00008000
116#define SDRAM_CFG_BI 0x00000001
117
York Sun91671912011-01-25 22:05:49 -0800118#define SDRAM_CFG2_D_INIT 0x00000010
119#define SDRAM_CFG2_ODT_CFG_MASK 0x00600000
York Suncae7c1b2011-08-26 11:32:40 -0700120#define SDRAM_CFG2_ODT_NEVER 0
121#define SDRAM_CFG2_ODT_ONLY_WRITE 1
122#define SDRAM_CFG2_ODT_ONLY_READ 2
123#define SDRAM_CFG2_ODT_ALWAYS 3
York Sun91671912011-01-25 22:05:49 -0800124
125#define TIMING_CFG_2_CPO_MASK 0x0F800000
126
York Sun34e026f2014-03-27 17:54:47 -0700127#if defined(CONFIG_SYS_FSL_DDR_VER) && \
128 (CONFIG_SYS_FSL_DDR_VER > FSL_DDR_VER_4_4)
Dave Liuc360cea2009-03-14 12:48:30 +0800129#define RD_TO_PRE_MASK 0xf
130#define RD_TO_PRE_SHIFT 13
131#define WR_DATA_DELAY_MASK 0xf
132#define WR_DATA_DELAY_SHIFT 9
133#else
134#define RD_TO_PRE_MASK 0x7
135#define RD_TO_PRE_SHIFT 13
136#define WR_DATA_DELAY_MASK 0x7
137#define WR_DATA_DELAY_SHIFT 10
138#endif
139
York Sunfa8d23c2011-01-10 12:03:01 +0000140/* DDR_MD_CNTL */
141#define MD_CNTL_MD_EN 0x80000000
142#define MD_CNTL_CS_SEL_CS0 0x00000000
143#define MD_CNTL_CS_SEL_CS1 0x10000000
144#define MD_CNTL_CS_SEL_CS2 0x20000000
145#define MD_CNTL_CS_SEL_CS3 0x30000000
146#define MD_CNTL_CS_SEL_CS0_CS1 0x40000000
147#define MD_CNTL_CS_SEL_CS2_CS3 0x50000000
148#define MD_CNTL_MD_SEL_MR 0x00000000
149#define MD_CNTL_MD_SEL_EMR 0x01000000
150#define MD_CNTL_MD_SEL_EMR2 0x02000000
151#define MD_CNTL_MD_SEL_EMR3 0x03000000
152#define MD_CNTL_SET_REF 0x00800000
153#define MD_CNTL_SET_PRE 0x00400000
154#define MD_CNTL_CKE_CNTL_LOW 0x00100000
155#define MD_CNTL_CKE_CNTL_HIGH 0x00200000
156#define MD_CNTL_WRCW 0x00080000
157#define MD_CNTL_MD_VALUE(x) (x & 0x0000FFFF)
158
York Sun6b06d7d2011-01-10 12:03:02 +0000159/* DDR_CDR1 */
160#define DDR_CDR1_DHC_EN 0x80000000
York Sun57495e42012-10-08 07:44:22 +0000161#define DDR_CDR1_ODT_SHIFT 17
162#define DDR_CDR1_ODT_MASK 0x6
163#define DDR_CDR2_ODT_MASK 0x1
164#define DDR_CDR1_ODT(x) ((x & DDR_CDR1_ODT_MASK) << DDR_CDR1_ODT_SHIFT)
165#define DDR_CDR2_ODT(x) (x & DDR_CDR2_ODT_MASK)
York Sun34e026f2014-03-27 17:54:47 -0700166#define DDR_CDR2_VREF_OVRD(x) (0x00008080 | ((((x) - 37) & 0x3F) << 8))
York Sun57495e42012-10-08 07:44:22 +0000167
168#if (defined(CONFIG_SYS_FSL_DDR_VER) && \
169 (CONFIG_SYS_FSL_DDR_VER >= FSL_DDR_VER_4_7))
York Sun34e026f2014-03-27 17:54:47 -0700170#ifdef CONFIG_SYS_FSL_DDR3L
171#define DDR_CDR_ODT_OFF 0x0
172#define DDR_CDR_ODT_120ohm 0x1
173#define DDR_CDR_ODT_200ohm 0x2
174#define DDR_CDR_ODT_75ohm 0x3
175#define DDR_CDR_ODT_60ohm 0x5
176#define DDR_CDR_ODT_46ohm 0x7
177#elif defined(CONFIG_SYS_FSL_DDR4)
178#define DDR_CDR_ODT_OFF 0x0
179#define DDR_CDR_ODT_100ohm 0x1
180#define DDR_CDR_ODT_120OHM 0x2
181#define DDR_CDR_ODT_80ohm 0x3
182#define DDR_CDR_ODT_60ohm 0x4
183#define DDR_CDR_ODT_40ohm 0x5
184#define DDR_CDR_ODT_50ohm 0x6
185#define DDR_CDR_ODT_30ohm 0x7
186#else
York Sun57495e42012-10-08 07:44:22 +0000187#define DDR_CDR_ODT_OFF 0x0
188#define DDR_CDR_ODT_120ohm 0x1
189#define DDR_CDR_ODT_180ohm 0x2
190#define DDR_CDR_ODT_75ohm 0x3
191#define DDR_CDR_ODT_110ohm 0x4
192#define DDR_CDR_ODT_60hm 0x5
193#define DDR_CDR_ODT_70ohm 0x6
194#define DDR_CDR_ODT_47ohm 0x7
York Sun34e026f2014-03-27 17:54:47 -0700195#endif /* DDR3L */
York Sun57495e42012-10-08 07:44:22 +0000196#else
197#define DDR_CDR_ODT_75ohm 0x0
198#define DDR_CDR_ODT_55ohm 0x1
199#define DDR_CDR_ODT_60ohm 0x2
200#define DDR_CDR_ODT_50ohm 0x3
201#define DDR_CDR_ODT_150ohm 0x4
202#define DDR_CDR_ODT_43ohm 0x5
203#define DDR_CDR_ODT_120ohm 0x6
204#endif
York Sun6b06d7d2011-01-10 12:03:02 +0000205
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500206/* Record of register values computed */
207typedef struct fsl_ddr_cfg_regs_s {
208 struct {
209 unsigned int bnds;
210 unsigned int config;
211 unsigned int config_2;
212 } cs[CONFIG_CHIP_SELECTS_PER_CTRL];
213 unsigned int timing_cfg_3;
214 unsigned int timing_cfg_0;
215 unsigned int timing_cfg_1;
216 unsigned int timing_cfg_2;
217 unsigned int ddr_sdram_cfg;
218 unsigned int ddr_sdram_cfg_2;
York Sun34e026f2014-03-27 17:54:47 -0700219 unsigned int ddr_sdram_cfg_3;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500220 unsigned int ddr_sdram_mode;
221 unsigned int ddr_sdram_mode_2;
York Sune1fd16b2011-01-10 12:03:00 +0000222 unsigned int ddr_sdram_mode_3;
223 unsigned int ddr_sdram_mode_4;
224 unsigned int ddr_sdram_mode_5;
225 unsigned int ddr_sdram_mode_6;
226 unsigned int ddr_sdram_mode_7;
227 unsigned int ddr_sdram_mode_8;
York Sun34e026f2014-03-27 17:54:47 -0700228 unsigned int ddr_sdram_mode_9;
229 unsigned int ddr_sdram_mode_10;
230 unsigned int ddr_sdram_mode_11;
231 unsigned int ddr_sdram_mode_12;
232 unsigned int ddr_sdram_mode_13;
233 unsigned int ddr_sdram_mode_14;
234 unsigned int ddr_sdram_mode_15;
235 unsigned int ddr_sdram_mode_16;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500236 unsigned int ddr_sdram_md_cntl;
237 unsigned int ddr_sdram_interval;
238 unsigned int ddr_data_init;
239 unsigned int ddr_sdram_clk_cntl;
240 unsigned int ddr_init_addr;
241 unsigned int ddr_init_ext_addr;
242 unsigned int timing_cfg_4;
243 unsigned int timing_cfg_5;
York Sun34e026f2014-03-27 17:54:47 -0700244 unsigned int timing_cfg_6;
245 unsigned int timing_cfg_7;
246 unsigned int timing_cfg_8;
247 unsigned int timing_cfg_9;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500248 unsigned int ddr_zq_cntl;
249 unsigned int ddr_wrlvl_cntl;
York Sun57495e42012-10-08 07:44:22 +0000250 unsigned int ddr_wrlvl_cntl_2;
251 unsigned int ddr_wrlvl_cntl_3;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500252 unsigned int ddr_sr_cntr;
253 unsigned int ddr_sdram_rcw_1;
254 unsigned int ddr_sdram_rcw_2;
York Sun34e026f2014-03-27 17:54:47 -0700255 unsigned int ddr_sdram_rcw_3;
256 unsigned int ddr_sdram_rcw_4;
257 unsigned int ddr_sdram_rcw_5;
258 unsigned int ddr_sdram_rcw_6;
259 unsigned int dq_map_0;
260 unsigned int dq_map_1;
261 unsigned int dq_map_2;
262 unsigned int dq_map_3;
york7fd101c2010-07-02 22:25:54 +0000263 unsigned int ddr_eor;
York Sund2a95682011-01-10 12:02:59 +0000264 unsigned int ddr_cdr1;
265 unsigned int ddr_cdr2;
266 unsigned int err_disable;
267 unsigned int err_int_en;
268 unsigned int debug[32];
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500269} fsl_ddr_cfg_regs_t;
270
271typedef struct memctl_options_partial_s {
Priyanka Jain0dd38a32013-09-25 10:41:19 +0530272 unsigned int all_dimms_ecc_capable;
273 unsigned int all_dimms_tckmax_ps;
274 unsigned int all_dimms_burst_lengths_bitmask;
275 unsigned int all_dimms_registered;
276 unsigned int all_dimms_unbuffered;
York Sun34e026f2014-03-27 17:54:47 -0700277 /* unsigned int lowest_common_spd_caslat; */
Priyanka Jain0dd38a32013-09-25 10:41:19 +0530278 unsigned int all_dimms_minimum_trcd_ps;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500279} memctl_options_partial_t;
280
York Sun51d498f2011-05-27 07:25:51 +0800281#define DDR_DATA_BUS_WIDTH_64 0
282#define DDR_DATA_BUS_WIDTH_32 1
283#define DDR_DATA_BUS_WIDTH_16 2
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500284/*
285 * Generalized parameters for memory controller configuration,
286 * might be a little specific to the FSL memory controller
287 */
288typedef struct memctl_options_s {
289 /*
290 * Memory organization parameters
291 *
292 * if DIMM is present in the system
293 * where DIMMs are with respect to chip select
294 * where chip selects are with respect to memory boundaries
295 */
296 unsigned int registered_dimm_en; /* use registered DIMM support */
297
298 /* Options local to a Chip Select */
299 struct cs_local_opts_s {
300 unsigned int auto_precharge;
301 unsigned int odt_rd_cfg;
302 unsigned int odt_wr_cfg;
York Sune1fd16b2011-01-10 12:03:00 +0000303 unsigned int odt_rtt_norm;
304 unsigned int odt_rtt_wr;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500305 } cs_local_opts[CONFIG_CHIP_SELECTS_PER_CTRL];
306
307 /* Special configurations for chip select */
308 unsigned int memctl_interleaving;
309 unsigned int memctl_interleaving_mode;
310 unsigned int ba_intlv_ctl;
york7fd101c2010-07-02 22:25:54 +0000311 unsigned int addr_hash;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500312
313 /* Operational mode parameters */
Priyanka Jain0dd38a32013-09-25 10:41:19 +0530314 unsigned int ecc_mode; /* Use ECC? */
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500315 /* Initialize ECC using memory controller? */
Priyanka Jain0dd38a32013-09-25 10:41:19 +0530316 unsigned int ecc_init_using_memctl;
317 unsigned int dqs_config; /* Use DQS? maybe only with DDR2? */
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500318 /* SREN - self-refresh during sleep */
319 unsigned int self_refresh_in_sleep;
320 unsigned int dynamic_power; /* DYN_PWR */
321 /* memory data width to use (16-bit, 32-bit, 64-bit) */
322 unsigned int data_bus_width;
Dave Liuc360cea2009-03-14 12:48:30 +0800323 unsigned int burst_length; /* BL4, OTF and BL8 */
324 /* On-The-Fly Burst Chop enable */
Priyanka Jain0dd38a32013-09-25 10:41:19 +0530325 unsigned int otf_burst_chop_en;
Dave Liuc360cea2009-03-14 12:48:30 +0800326 /* mirrior DIMMs for DDR3 */
327 unsigned int mirrored_dimm;
york5800e7a2010-07-02 22:25:53 +0000328 unsigned int quad_rank_present;
York Sund2a95682011-01-10 12:02:59 +0000329 unsigned int ap_en; /* address parity enable for RDIMM */
York Sunb61e0612013-06-25 11:37:47 -0700330 unsigned int x4_en; /* enable x4 devices */
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500331
332 /* Global Timing Parameters */
333 unsigned int cas_latency_override;
334 unsigned int cas_latency_override_value;
335 unsigned int use_derated_caslat;
336 unsigned int additive_latency_override;
337 unsigned int additive_latency_override_value;
338
339 unsigned int clk_adjust; /* */
340 unsigned int cpo_override;
341 unsigned int write_data_delay; /* DQS adjust */
Dave Liubdc9f7b2009-12-16 10:24:37 -0600342
343 unsigned int wrlvl_override;
344 unsigned int wrlvl_sample; /* Write leveling */
345 unsigned int wrlvl_start;
York Sun57495e42012-10-08 07:44:22 +0000346 unsigned int wrlvl_ctl_2;
347 unsigned int wrlvl_ctl_3;
Dave Liubdc9f7b2009-12-16 10:24:37 -0600348
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500349 unsigned int half_strength_driver_enable;
Priyanka Jain0dd38a32013-09-25 10:41:19 +0530350 unsigned int twot_en;
351 unsigned int threet_en;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500352 unsigned int bstopre;
Priyanka Jain0dd38a32013-09-25 10:41:19 +0530353 unsigned int tcke_clock_pulse_width_ps; /* tCKE */
354 unsigned int tfaw_window_four_activates_ps; /* tFAW -- FOUR_ACT */
Dave Liu22cca7e2008-11-21 16:31:35 +0800355
Dave Liuc360cea2009-03-14 12:48:30 +0800356 /* Rtt impedance */
357 unsigned int rtt_override; /* rtt_override enable */
358 unsigned int rtt_override_value; /* that is Rtt_Nom for DDR3 */
Dave Liu1aa3d082009-12-16 10:24:38 -0600359 unsigned int rtt_wr_override_value; /* this is Rtt_WR for DDR3 */
Dave Liuc360cea2009-03-14 12:48:30 +0800360
Dave Liu22cca7e2008-11-21 16:31:35 +0800361 /* Automatic self refresh */
362 unsigned int auto_self_refresh_en;
363 unsigned int sr_it;
Dave Liuc360cea2009-03-14 12:48:30 +0800364 /* ZQ calibration */
365 unsigned int zq_en;
366 /* Write leveling */
367 unsigned int wrlvl_en;
York Sund2a95682011-01-10 12:02:59 +0000368 /* RCW override for RDIMM */
369 unsigned int rcw_override;
370 unsigned int rcw_1;
371 unsigned int rcw_2;
372 /* control register 1 */
373 unsigned int ddr_cdr1;
York Sun57495e42012-10-08 07:44:22 +0000374 unsigned int ddr_cdr2;
York Sun23f96702011-05-27 13:44:28 +0800375
376 unsigned int trwt_override;
377 unsigned int trwt; /* read-to-write turnaround */
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500378} memctl_options_t;
379
380extern phys_size_t fsl_ddr_sdram(void);
Zhao Chenhuic1fc2d42011-01-28 17:58:37 +0800381extern phys_size_t fsl_ddr_sdram_size(void);
Kumar Gala3dbd5d72011-01-09 14:06:28 -0600382extern int fsl_use_spd(void);
Kumar Galaf0f89942011-01-25 01:48:03 -0600383extern void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
York Sunc63e1372013-06-25 11:37:48 -0700384 unsigned int ctrl_num, int step);
York Sunf31cfd12012-10-08 07:44:24 +0000385u32 fsl_ddr_get_intl3r(void);
York Sun28a96672010-10-18 13:46:49 -0700386
York Sunc63e1372013-06-25 11:37:48 -0700387static void __board_assert_mem_reset(void)
388{
389}
390
391static void __board_deassert_mem_reset(void)
392{
393}
394
395void board_assert_mem_reset(void)
396 __attribute__((weak, alias("__board_assert_mem_reset")));
397
398void board_deassert_mem_reset(void)
399 __attribute__((weak, alias("__board_deassert_mem_reset")));
400
401static int __board_need_mem_reset(void)
402{
403 return 0;
404}
405
406int board_need_mem_reset(void)
407 __attribute__((weak, alias("__board_need_mem_reset")));
408
Tang Yuantianaade2002014-04-17 15:33:46 +0800409void __weak board_mem_sleep_setup(void)
410{
411}
412
Becky Bruce38dba0c2010-12-17 17:17:56 -0600413/*
414 * The 85xx boards have a common prototype for fixed_sdram so put the
415 * declaration here.
416 */
417#ifdef CONFIG_MPC85xx
418extern phys_size_t fixed_sdram(void);
419#endif
420
421#if defined(CONFIG_DDR_ECC)
422extern void ddr_enable_ecc(unsigned int dram_size);
423#endif
424
425
York Sun28a96672010-10-18 13:46:49 -0700426typedef struct fixed_ddr_parm{
427 int min_freq;
428 int max_freq;
429 fsl_ddr_cfg_regs_t *ddr_settings;
430} fixed_ddr_parm_t;
Kumar Gala58e5e9a2008-08-26 15:01:29 -0500431#endif