xref: /openbmc/u-boot/arch/arm/mach-socfpga/include/mach/sdram.h (revision f085ac3b1408c33ac2e2239796b31a93a143fefa)
1 /*
2  * Copyright Altera Corporation (C) 2014-2015
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 #ifndef	_SDRAM_H_
7 #define	_SDRAM_H_
8 
9 #ifndef __ASSEMBLY__
10 
11 unsigned long sdram_calculate_size(void);
12 int sdram_mmr_init_full(unsigned int sdr_phy_reg);
13 int sdram_calibration_full(void);
14 
15 const struct socfpga_sdram_config *socfpga_get_sdram_config(void);
16 
17 #define SDR_CTRLGRP_ADDRESS	(SOCFPGA_SDR_ADDRESS | 0x5000)
18 
19 struct socfpga_sdr_ctrl {
20 	u32	ctrl_cfg;
21 	u32	dram_timing1;
22 	u32	dram_timing2;
23 	u32	dram_timing3;
24 	u32	dram_timing4;	/* 0x10 */
25 	u32	lowpwr_timing;
26 	u32	dram_odt;
27 	u32	__padding0[4];
28 	u32	dram_addrw;	/* 0x2c */
29 	u32	dram_if_width;	/* 0x30 */
30 	u32	dram_dev_width;
31 	u32	dram_sts;
32 	u32	dram_intr;
33 	u32	sbe_count;	/* 0x40 */
34 	u32	dbe_count;
35 	u32	err_addr;
36 	u32	drop_count;
37 	u32	drop_addr;	/* 0x50 */
38 	u32	lowpwr_eq;
39 	u32	lowpwr_ack;
40 	u32	static_cfg;
41 	u32	ctrl_width;	/* 0x60 */
42 	u32	cport_width;
43 	u32	cport_wmap;
44 	u32	cport_rmap;
45 	u32	rfifo_cmap;	/* 0x70 */
46 	u32	wfifo_cmap;
47 	u32	cport_rdwr;
48 	u32	port_cfg;
49 	u32	fpgaport_rst;	/* 0x80 */
50 	u32	__padding1;
51 	u32	fifo_cfg;
52 	u32	protport_default;
53 	u32	prot_rule_addr;	/* 0x90 */
54 	u32	prot_rule_id;
55 	u32	prot_rule_data;
56 	u32	prot_rule_rdwr;
57 	u32	__padding2[3];
58 	u32	mp_priority;	/* 0xac */
59 	u32	mp_weight0;	/* 0xb0 */
60 	u32	mp_weight1;
61 	u32	mp_weight2;
62 	u32	mp_weight3;
63 	u32	mp_pacing0;	/* 0xc0 */
64 	u32	mp_pacing1;
65 	u32	mp_pacing2;
66 	u32	mp_pacing3;
67 	u32	mp_threshold0;	/* 0xd0 */
68 	u32	mp_threshold1;
69 	u32	mp_threshold2;
70 	u32	__padding3[29];
71 	u32	phy_ctrl0;	/* 0x150 */
72 	u32	phy_ctrl1;
73 	u32	phy_ctrl2;
74 };
75 
76 /* SDRAM configuration structure for the SPL. */
77 struct socfpga_sdram_config {
78 	u32	ctrl_cfg;
79 	u32	dram_timing1;
80 	u32	dram_timing2;
81 	u32	dram_timing3;
82 	u32	dram_timing4;
83 	u32	lowpwr_timing;
84 	u32	dram_odt;
85 	u32	dram_addrw;
86 	u32	dram_if_width;
87 	u32	dram_dev_width;
88 	u32	dram_intr;
89 	u32	lowpwr_eq;
90 	u32	static_cfg;
91 	u32	ctrl_width;
92 	u32	cport_width;
93 	u32	cport_wmap;
94 	u32	cport_rmap;
95 	u32	rfifo_cmap;
96 	u32	wfifo_cmap;
97 	u32	cport_rdwr;
98 	u32	port_cfg;
99 	u32	fpgaport_rst;
100 	u32	fifo_cfg;
101 	u32	mp_priority;
102 	u32	mp_weight0;
103 	u32	mp_weight1;
104 	u32	mp_weight2;
105 	u32	mp_weight3;
106 	u32	mp_pacing0;
107 	u32	mp_pacing1;
108 	u32	mp_pacing2;
109 	u32	mp_pacing3;
110 	u32	mp_threshold0;
111 	u32	mp_threshold1;
112 	u32	mp_threshold2;
113 	u32	phy_ctrl0;
114 };
115 
116 #define SDR_CTRLGRP_CTRLCFG_NODMPINS_LSB 23
117 #define SDR_CTRLGRP_CTRLCFG_NODMPINS_MASK 0x00800000
118 #define SDR_CTRLGRP_CTRLCFG_DQSTRKEN_LSB 22
119 #define SDR_CTRLGRP_CTRLCFG_DQSTRKEN_MASK 0x00400000
120 #define SDR_CTRLGRP_CTRLCFG_STARVELIMIT_LSB 16
121 #define SDR_CTRLGRP_CTRLCFG_STARVELIMIT_MASK 0x003f0000
122 #define SDR_CTRLGRP_CTRLCFG_REORDEREN_LSB 15
123 #define SDR_CTRLGRP_CTRLCFG_REORDEREN_MASK 0x00008000
124 #define SDR_CTRLGRP_CTRLCFG_ECCCORREN_LSB 11
125 #define SDR_CTRLGRP_CTRLCFG_ECCCORREN_MASK 0x00000800
126 #define SDR_CTRLGRP_CTRLCFG_ECCEN_LSB 10
127 #define SDR_CTRLGRP_CTRLCFG_ECCEN_MASK 0x00000400
128 #define SDR_CTRLGRP_CTRLCFG_ADDRORDER_LSB 8
129 #define SDR_CTRLGRP_CTRLCFG_ADDRORDER_MASK 0x00000300
130 #define SDR_CTRLGRP_CTRLCFG_MEMBL_LSB 3
131 #define SDR_CTRLGRP_CTRLCFG_MEMBL_MASK 0x000000f8
132 #define SDR_CTRLGRP_CTRLCFG_MEMTYPE_LSB 0
133 #define SDR_CTRLGRP_CTRLCFG_MEMTYPE_MASK 0x00000007
134 /* Register template: sdr::ctrlgrp::dramtiming1                            */
135 #define SDR_CTRLGRP_DRAMTIMING1_TRFC_LSB 24
136 #define SDR_CTRLGRP_DRAMTIMING1_TRFC_MASK 0xff000000
137 #define SDR_CTRLGRP_DRAMTIMING1_TFAW_LSB 18
138 #define SDR_CTRLGRP_DRAMTIMING1_TFAW_MASK 0x00fc0000
139 #define SDR_CTRLGRP_DRAMTIMING1_TRRD_LSB 14
140 #define SDR_CTRLGRP_DRAMTIMING1_TRRD_MASK 0x0003c000
141 #define SDR_CTRLGRP_DRAMTIMING1_TCL_LSB 9
142 #define SDR_CTRLGRP_DRAMTIMING1_TCL_MASK 0x00003e00
143 #define SDR_CTRLGRP_DRAMTIMING1_TAL_LSB 4
144 #define SDR_CTRLGRP_DRAMTIMING1_TAL_MASK 0x000001f0
145 #define SDR_CTRLGRP_DRAMTIMING1_TCWL_LSB 0
146 #define SDR_CTRLGRP_DRAMTIMING1_TCWL_MASK 0x0000000f
147 /* Register template: sdr::ctrlgrp::dramtiming2                            */
148 #define SDR_CTRLGRP_DRAMTIMING2_TWTR_LSB 25
149 #define SDR_CTRLGRP_DRAMTIMING2_TWTR_MASK 0x1e000000
150 #define SDR_CTRLGRP_DRAMTIMING2_TWR_LSB 21
151 #define SDR_CTRLGRP_DRAMTIMING2_TWR_MASK 0x01e00000
152 #define SDR_CTRLGRP_DRAMTIMING2_TRP_LSB 17
153 #define SDR_CTRLGRP_DRAMTIMING2_TRP_MASK 0x001e0000
154 #define SDR_CTRLGRP_DRAMTIMING2_TRCD_LSB 13
155 #define SDR_CTRLGRP_DRAMTIMING2_TRCD_MASK 0x0001e000
156 #define SDR_CTRLGRP_DRAMTIMING2_TREFI_LSB 0
157 #define SDR_CTRLGRP_DRAMTIMING2_TREFI_MASK 0x00001fff
158 /* Register template: sdr::ctrlgrp::dramtiming3                            */
159 #define SDR_CTRLGRP_DRAMTIMING3_TCCD_LSB 19
160 #define SDR_CTRLGRP_DRAMTIMING3_TCCD_MASK 0x00780000
161 #define SDR_CTRLGRP_DRAMTIMING3_TMRD_LSB 15
162 #define SDR_CTRLGRP_DRAMTIMING3_TMRD_MASK 0x00078000
163 #define SDR_CTRLGRP_DRAMTIMING3_TRC_LSB 9
164 #define SDR_CTRLGRP_DRAMTIMING3_TRC_MASK 0x00007e00
165 #define SDR_CTRLGRP_DRAMTIMING3_TRAS_LSB 4
166 #define SDR_CTRLGRP_DRAMTIMING3_TRAS_MASK 0x000001f0
167 #define SDR_CTRLGRP_DRAMTIMING3_TRTP_LSB 0
168 #define SDR_CTRLGRP_DRAMTIMING3_TRTP_MASK 0x0000000f
169 /* Register template: sdr::ctrlgrp::dramtiming4                            */
170 #define SDR_CTRLGRP_DRAMTIMING4_MINPWRSAVECYCLES_LSB 20
171 #define SDR_CTRLGRP_DRAMTIMING4_MINPWRSAVECYCLES_MASK 0x00f00000
172 #define SDR_CTRLGRP_DRAMTIMING4_PWRDOWNEXIT_LSB 10
173 #define SDR_CTRLGRP_DRAMTIMING4_PWRDOWNEXIT_MASK 0x000ffc00
174 #define SDR_CTRLGRP_DRAMTIMING4_SELFRFSHEXIT_LSB 0
175 #define SDR_CTRLGRP_DRAMTIMING4_SELFRFSHEXIT_MASK 0x000003ff
176 /* Register template: sdr::ctrlgrp::lowpwrtiming                           */
177 #define SDR_CTRLGRP_LOWPWRTIMING_CLKDISABLECYCLES_LSB 16
178 #define SDR_CTRLGRP_LOWPWRTIMING_CLKDISABLECYCLES_MASK 0x000f0000
179 #define SDR_CTRLGRP_LOWPWRTIMING_AUTOPDCYCLES_LSB 0
180 #define SDR_CTRLGRP_LOWPWRTIMING_AUTOPDCYCLES_MASK 0x0000ffff
181 /* Register template: sdr::ctrlgrp::dramaddrw                              */
182 #define SDR_CTRLGRP_DRAMADDRW_CSBITS_LSB 13
183 #define SDR_CTRLGRP_DRAMADDRW_CSBITS_MASK 0x0000e000
184 #define SDR_CTRLGRP_DRAMADDRW_BANKBITS_LSB 10
185 #define SDR_CTRLGRP_DRAMADDRW_BANKBITS_MASK 0x00001c00
186 #define SDR_CTRLGRP_DRAMADDRW_ROWBITS_LSB 5
187 #define SDR_CTRLGRP_DRAMADDRW_ROWBITS_MASK 0x000003e0
188 #define SDR_CTRLGRP_DRAMADDRW_COLBITS_LSB 0
189 #define SDR_CTRLGRP_DRAMADDRW_COLBITS_MASK 0x0000001f
190 /* Register template: sdr::ctrlgrp::dramifwidth                            */
191 #define SDR_CTRLGRP_DRAMIFWIDTH_IFWIDTH_LSB 0
192 #define SDR_CTRLGRP_DRAMIFWIDTH_IFWIDTH_MASK 0x000000ff
193 /* Register template: sdr::ctrlgrp::dramdevwidth                           */
194 #define SDR_CTRLGRP_DRAMDEVWIDTH_DEVWIDTH_LSB 0
195 #define SDR_CTRLGRP_DRAMDEVWIDTH_DEVWIDTH_MASK 0x0000000f
196 /* Register template: sdr::ctrlgrp::dramintr                               */
197 #define SDR_CTRLGRP_DRAMINTR_INTREN_LSB 0
198 #define SDR_CTRLGRP_DRAMINTR_INTREN_MASK 0x00000001
199 #define SDR_CTRLGRP_LOWPWREQ_SELFRFSHMASK_LSB 4
200 #define SDR_CTRLGRP_LOWPWREQ_SELFRFSHMASK_MASK 0x00000030
201 /* Register template: sdr::ctrlgrp::staticcfg                              */
202 #define SDR_CTRLGRP_STATICCFG_APPLYCFG_LSB 3
203 #define SDR_CTRLGRP_STATICCFG_APPLYCFG_MASK 0x00000008
204 #define SDR_CTRLGRP_STATICCFG_USEECCASDATA_LSB 2
205 #define SDR_CTRLGRP_STATICCFG_USEECCASDATA_MASK 0x00000004
206 #define SDR_CTRLGRP_STATICCFG_MEMBL_LSB 0
207 #define SDR_CTRLGRP_STATICCFG_MEMBL_MASK 0x00000003
208 /* Register template: sdr::ctrlgrp::ctrlwidth                              */
209 #define SDR_CTRLGRP_CTRLWIDTH_CTRLWIDTH_LSB 0
210 #define SDR_CTRLGRP_CTRLWIDTH_CTRLWIDTH_MASK 0x00000003
211 /* Register template: sdr::ctrlgrp::cportwidth                             */
212 #define SDR_CTRLGRP_CPORTWIDTH_CMDPORTWIDTH_LSB 0
213 #define SDR_CTRLGRP_CPORTWIDTH_CMDPORTWIDTH_MASK 0x000fffff
214 /* Register template: sdr::ctrlgrp::cportwmap                              */
215 #define SDR_CTRLGRP_CPORTWMAP_CPORTWFIFOMAP_LSB 0
216 #define SDR_CTRLGRP_CPORTWMAP_CPORTWFIFOMAP_MASK 0x3fffffff
217 /* Register template: sdr::ctrlgrp::cportrmap                              */
218 #define SDR_CTRLGRP_CPORTRMAP_CPORTRFIFOMAP_LSB 0
219 #define SDR_CTRLGRP_CPORTRMAP_CPORTRFIFOMAP_MASK 0x3fffffff
220 /* Register template: sdr::ctrlgrp::rfifocmap                              */
221 #define SDR_CTRLGRP_RFIFOCMAP_RFIFOCPORTMAP_LSB 0
222 #define SDR_CTRLGRP_RFIFOCMAP_RFIFOCPORTMAP_MASK 0x00ffffff
223 /* Register template: sdr::ctrlgrp::wfifocmap                              */
224 #define SDR_CTRLGRP_WFIFOCMAP_WFIFOCPORTMAP_LSB 0
225 #define SDR_CTRLGRP_WFIFOCMAP_WFIFOCPORTMAP_MASK 0x00ffffff
226 /* Register template: sdr::ctrlgrp::cportrdwr                              */
227 #define SDR_CTRLGRP_CPORTRDWR_CPORTRDWR_LSB 0
228 #define SDR_CTRLGRP_CPORTRDWR_CPORTRDWR_MASK 0x000fffff
229 /* Register template: sdr::ctrlgrp::portcfg                                */
230 #define SDR_CTRLGRP_PORTCFG_AUTOPCHEN_LSB 10
231 #define SDR_CTRLGRP_PORTCFG_AUTOPCHEN_MASK 0x000ffc00
232 #define SDR_CTRLGRP_PORTCFG_PORTPROTOCOL_LSB 0
233 #define SDR_CTRLGRP_PORTCFG_PORTPROTOCOL_MASK 0x000003ff
234 /* Register template: sdr::ctrlgrp::fifocfg                                */
235 #define SDR_CTRLGRP_FIFOCFG_INCSYNC_LSB 10
236 #define SDR_CTRLGRP_FIFOCFG_INCSYNC_MASK 0x00000400
237 #define SDR_CTRLGRP_FIFOCFG_SYNCMODE_LSB 0
238 #define SDR_CTRLGRP_FIFOCFG_SYNCMODE_MASK 0x000003ff
239 /* Register template: sdr::ctrlgrp::mppriority                             */
240 #define SDR_CTRLGRP_MPPRIORITY_USERPRIORITY_LSB 0
241 #define SDR_CTRLGRP_MPPRIORITY_USERPRIORITY_MASK 0x3fffffff
242 /* Register template: sdr::ctrlgrp::mpweight::mpweight_0                   */
243 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_LSB 0
244 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_0_STATICWEIGHT_31_0_MASK 0xffffffff
245 /* Register template: sdr::ctrlgrp::mpweight::mpweight_1                   */
246 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_LSB 18
247 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_SUMOFWEIGHTS_13_0_MASK 0xfffc0000
248 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_LSB 0
249 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_1_STATICWEIGHT_49_32_MASK 0x0003ffff
250 /* Register template: sdr::ctrlgrp::mpweight::mpweight_2                   */
251 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_LSB 0
252 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_2_SUMOFWEIGHTS_45_14_MASK 0xffffffff
253 /* Register template: sdr::ctrlgrp::mpweight::mpweight_3                   */
254 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_LSB 0
255 #define SDR_CTRLGRP_MPWEIGHT_MPWEIGHT_3_SUMOFWEIGHTS_63_46_MASK 0x0003ffff
256 /* Register template: sdr::ctrlgrp::mppacing::mppacing_0                   */
257 #define SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_LSB 0
258 #define SDR_CTRLGRP_MPPACING_MPPACING_0_THRESHOLD1_31_0_MASK 0xffffffff
259 /* Register template: sdr::ctrlgrp::mppacing::mppacing_1                   */
260 #define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_LSB 28
261 #define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD2_3_0_MASK 0xf0000000
262 #define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_LSB 0
263 #define SDR_CTRLGRP_MPPACING_MPPACING_1_THRESHOLD1_59_32_MASK 0x0fffffff
264 /* Register template: sdr::ctrlgrp::mppacing::mppacing_2                   */
265 #define SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_LSB 0
266 #define SDR_CTRLGRP_MPPACING_MPPACING_2_THRESHOLD2_35_4_MASK 0xffffffff
267 /* Register template: sdr::ctrlgrp::mppacing::mppacing_3                   */
268 #define SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_LSB 0
269 #define SDR_CTRLGRP_MPPACING_MPPACING_3_THRESHOLD2_59_36_MASK 0x00ffffff
270 /* Register template: sdr::ctrlgrp::mpthresholdrst::mpthresholdrst_0       */
271 #define \
272 SDR_CTRLGRP_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0_LSB 0
273 #define  \
274 SDR_CTRLGRP_MPTHRESHOLDRST_0_THRESHOLDRSTCYCLES_31_0_MASK \
275 0xffffffff
276 /* Register template: sdr::ctrlgrp::mpthresholdrst::mpthresholdrst_1       */
277 #define \
278 SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_LSB 0
279 #define \
280 SDR_CTRLGRP_MPTHRESHOLDRST_1_THRESHOLDRSTCYCLES_63_32_MASK \
281 0xffffffff
282 /* Register template: sdr::ctrlgrp::mpthresholdrst::mpthresholdrst_2       */
283 #define \
284 SDR_CTRLGRP_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64_LSB 0
285 #define \
286 SDR_CTRLGRP_MPTHRESHOLDRST_2_THRESHOLDRSTCYCLES_79_64_MASK \
287 0x0000ffff
288 /* Register template: sdr::ctrlgrp::remappriority                          */
289 #define SDR_CTRLGRP_REMAPPRIORITY_PRIORITYREMAP_LSB 0
290 #define SDR_CTRLGRP_REMAPPRIORITY_PRIORITYREMAP_MASK 0x000000ff
291 /* Register template: sdr::ctrlgrp::phyctrl::phyctrl_0                     */
292 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_LSB 12
293 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_WIDTH 20
294 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_SAMPLECOUNT_19_0_SET(x) \
295  (((x) << 12) & 0xfffff000)
296 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_ADDLATSEL_SET(x) \
297  (((x) << 10) & 0x00000c00)
298 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQSLOGICDELAYEN_SET(x) \
299  (((x) << 6) & 0x000000c0)
300 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_RESETDELAYEN_SET(x) \
301  (((x) << 8) & 0x00000100)
302 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_LPDDRDIS_SET(x) \
303  (((x) << 9) & 0x00000200)
304 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQSDELAYEN_SET(x) \
305  (((x) << 4) & 0x00000030)
306 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_DQDELAYEN_SET(x) \
307  (((x) << 2) & 0x0000000c)
308 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_0_ACDELAYEN_SET(x) \
309  (((x) << 0) & 0x00000003)
310 /* Register template: sdr::ctrlgrp::phyctrl::phyctrl_1                     */
311 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_LONGIDLESAMPLECOUNT_19_0_WIDTH 20
312 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_LONGIDLESAMPLECOUNT_19_0_SET(x) \
313  (((x) << 12) & 0xfffff000)
314 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_1_SAMPLECOUNT_31_20_SET(x) \
315  (((x) << 0) & 0x00000fff)
316 /* Register template: sdr::ctrlgrp::phyctrl::phyctrl_2                     */
317 #define SDR_CTRLGRP_PHYCTRL_PHYCTRL_2_LONGIDLESAMPLECOUNT_31_20_SET(x) \
318  (((x) << 0) & 0x00000fff)
319 /* Register template: sdr::ctrlgrp::dramodt                                */
320 #define SDR_CTRLGRP_DRAMODT_READ_LSB 4
321 #define SDR_CTRLGRP_DRAMODT_READ_MASK 0x000000f0
322 #define SDR_CTRLGRP_DRAMODT_WRITE_LSB 0
323 #define SDR_CTRLGRP_DRAMODT_WRITE_MASK 0x0000000f
324 /* Field instance: sdr::ctrlgrp::dramsts                                   */
325 #define SDR_CTRLGRP_DRAMSTS_DBEERR_MASK 0x00000008
326 #define SDR_CTRLGRP_DRAMSTS_SBEERR_MASK 0x00000004
327 
328 /* SDRAM width macro for configuration with ECC */
329 #define SDRAM_WIDTH_32BIT_WITH_ECC	40
330 #define SDRAM_WIDTH_16BIT_WITH_ECC	24
331 
332 #endif
333 #endif /* _SDRAM_H_ */
334