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-rw-r--r--include/asm-blackfin/mach-bf561/mem_init.h322
1 files changed, 322 insertions, 0 deletions
diff --git a/include/asm-blackfin/mach-bf561/mem_init.h b/include/asm-blackfin/mach-bf561/mem_init.h
new file mode 100644
index 000000000000..439a5895b346
--- /dev/null
+++ b/include/asm-blackfin/mach-bf561/mem_init.h
@@ -0,0 +1,322 @@
1/*
2 * File: include/asm-blackfin/mach-bf561/mem_init.h
3 * Based on:
4 * Author:
5 *
6 * Created:
7 * Description:
8 *
9 * Rev:
10 *
11 * Modified:
12 *
13 * Bugs: Enter bugs at http://blackfin.uclinux.org/
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2, or (at your option)
18 * any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; see the file COPYING.
27 * If not, write to the Free Software Foundation,
28 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 */
30
31#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC8M32B2B5_7)
32#if (CONFIG_SCLK_HZ > 119402985)
33#define SDRAM_tRP TRP_2
34#define SDRAM_tRP_num 2
35#define SDRAM_tRAS TRAS_7
36#define SDRAM_tRAS_num 7
37#define SDRAM_tRCD TRCD_2
38#define SDRAM_tWR TWR_2
39#endif
40#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
41#define SDRAM_tRP TRP_2
42#define SDRAM_tRP_num 2
43#define SDRAM_tRAS TRAS_6
44#define SDRAM_tRAS_num 6
45#define SDRAM_tRCD TRCD_2
46#define SDRAM_tWR TWR_2
47#endif
48#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
49#define SDRAM_tRP TRP_2
50#define SDRAM_tRP_num 2
51#define SDRAM_tRAS TRAS_5
52#define SDRAM_tRAS_num 5
53#define SDRAM_tRCD TRCD_2
54#define SDRAM_tWR TWR_2
55#endif
56#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
57#define SDRAM_tRP TRP_2
58#define SDRAM_tRP_num 2
59#define SDRAM_tRAS TRAS_4
60#define SDRAM_tRAS_num 4
61#define SDRAM_tRCD TRCD_2
62#define SDRAM_tWR TWR_2
63#endif
64#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
65#define SDRAM_tRP TRP_2
66#define SDRAM_tRP_num 2
67#define SDRAM_tRAS TRAS_3
68#define SDRAM_tRAS_num 3
69#define SDRAM_tRCD TRCD_2
70#define SDRAM_tWR TWR_2
71#endif
72#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667)
73#define SDRAM_tRP TRP_1
74#define SDRAM_tRP_num 1
75#define SDRAM_tRAS TRAS_4
76#define SDRAM_tRAS_num 3
77#define SDRAM_tRCD TRCD_1
78#define SDRAM_tWR TWR_2
79#endif
80#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493)
81#define SDRAM_tRP TRP_1
82#define SDRAM_tRP_num 1
83#define SDRAM_tRAS TRAS_3
84#define SDRAM_tRAS_num 3
85#define SDRAM_tRCD TRCD_1
86#define SDRAM_tWR TWR_2
87#endif
88#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119)
89#define SDRAM_tRP TRP_1
90#define SDRAM_tRP_num 1
91#define SDRAM_tRAS TRAS_2
92#define SDRAM_tRAS_num 2
93#define SDRAM_tRCD TRCD_1
94#define SDRAM_tWR TWR_2
95#endif
96#if (CONFIG_SCLK_HZ <= 29850746)
97#define SDRAM_tRP TRP_1
98#define SDRAM_tRP_num 1
99#define SDRAM_tRAS TRAS_1
100#define SDRAM_tRAS_num 1
101#define SDRAM_tRCD TRCD_1
102#define SDRAM_tWR TWR_2
103#endif
104#endif
105
106#if (CONFIG_MEM_MT48LC16M16A2TG_75)
107 /*SDRAM INFORMATION: */
108#define SDRAM_Tref 64 /* Refresh period in milliseconds */
109#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
110#define SDRAM_CL CL_3
111#endif
112
113#if (CONFIG_MEM_MT48LC64M4A2FB_7E)
114 /*SDRAM INFORMATION: */
115#define SDRAM_Tref 64 /* Refresh period in milliseconds */
116#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
117#define SDRAM_CL CL_3
118#endif
119
120#if (CONFIG_MEM_MT48LC8M32B2B5_7)
121 /*SDRAM INFORMATION: */
122#define SDRAM_Tref 64 /* Refresh period in milliseconds */
123#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
124#define SDRAM_CL CL_3
125#endif
126
127#if (CONFIG_MEM_GENERIC_BOARD)
128 /*SDRAM INFORMATION: Modify this for your board */
129#define SDRAM_Tref 64 /* Refresh period in milliseconds */
130#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
131#define SDRAM_CL CL_3
132#endif
133
134#if (CONFIG_MEM_SIZE == 128)
135#define SDRAM_SIZE EB0_SZ_128
136#endif
137#if (CONFIG_MEM_SIZE == 64)
138#define SDRAM_SIZE EB0_SZ_64
139#endif
140#if ( CONFIG_MEM_SIZE == 32)
141#define SDRAM_SIZE EB0_SZ_32
142#endif
143#if (CONFIG_MEM_SIZE == 16)
144#define SDRAM_SIZE EB0_SZ_16
145#endif
146#if (CONFIG_MEM_ADD_WIDTH == 11)
147#define SDRAM_WIDTH EB0_CAW_11
148#endif
149#if (CONFIG_MEM_ADD_WIDTH == 10)
150#define SDRAM_WIDTH EB0_CAW_10
151#endif
152#if (CONFIG_MEM_ADD_WIDTH == 9)
153#define SDRAM_WIDTH EB0_CAW_9
154#endif
155#if (CONFIG_MEM_ADD_WIDTH == 8)
156#define SDRAM_WIDTH EB0_CAW_8
157#endif
158
159#define mem_SDBCTL (SDRAM_WIDTH | SDRAM_SIZE | EB0_E)
160
161/* Equation from section 17 (p17-46) of BF533 HRM */
162#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)
163
164/* Enable SCLK Out */
165#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS)
166
167#if defined CONFIG_CLKIN_HALF
168#define CLKIN_HALF 1
169#else
170#define CLKIN_HALF 0
171#endif
172
173#if defined CONFIG_PLL_BYPASS
174#define PLL_BYPASS 1
175#else
176#define PLL_BYPASS 0
177#endif
178
179/***************************************Currently Not Being Used *********************************/
180#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
181#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
182#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ))
183#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
184#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
185
186#if (flash_EBIU_AMBCTL_TT > 3)
187#define flash_EBIU_AMBCTL0_TT B0TT_4
188#endif
189#if (flash_EBIU_AMBCTL_TT == 3)
190#define flash_EBIU_AMBCTL0_TT B0TT_3
191#endif
192#if (flash_EBIU_AMBCTL_TT == 2)
193#define flash_EBIU_AMBCTL0_TT B0TT_2
194#endif
195#if (flash_EBIU_AMBCTL_TT < 2)
196#define flash_EBIU_AMBCTL0_TT B0TT_1
197#endif
198
199#if (flash_EBIU_AMBCTL_ST > 3)
200#define flash_EBIU_AMBCTL0_ST B0ST_4
201#endif
202#if (flash_EBIU_AMBCTL_ST == 3)
203#define flash_EBIU_AMBCTL0_ST B0ST_3
204#endif
205#if (flash_EBIU_AMBCTL_ST == 2)
206#define flash_EBIU_AMBCTL0_ST B0ST_2
207#endif
208#if (flash_EBIU_AMBCTL_ST < 2)
209#define flash_EBIU_AMBCTL0_ST B0ST_1
210#endif
211
212#if (flash_EBIU_AMBCTL_HT > 2)
213#define flash_EBIU_AMBCTL0_HT B0HT_3
214#endif
215#if (flash_EBIU_AMBCTL_HT == 2)
216#define flash_EBIU_AMBCTL0_HT B0HT_2
217#endif
218#if (flash_EBIU_AMBCTL_HT == 1)
219#define flash_EBIU_AMBCTL0_HT B0HT_1
220#endif
221#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0)
222#define flash_EBIU_AMBCTL0_HT B0HT_0
223#endif
224#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0)
225#define flash_EBIU_AMBCTL0_HT B0HT_1
226#endif
227
228#if (flash_EBIU_AMBCTL_WAT > 14)
229#define flash_EBIU_AMBCTL0_WAT B0WAT_15
230#endif
231#if (flash_EBIU_AMBCTL_WAT == 14)
232#define flash_EBIU_AMBCTL0_WAT B0WAT_14
233#endif
234#if (flash_EBIU_AMBCTL_WAT == 13)
235#define flash_EBIU_AMBCTL0_WAT B0WAT_13
236#endif
237#if (flash_EBIU_AMBCTL_WAT == 12)
238#define flash_EBIU_AMBCTL0_WAT B0WAT_12
239#endif
240#if (flash_EBIU_AMBCTL_WAT == 11)
241#define flash_EBIU_AMBCTL0_WAT B0WAT_11
242#endif
243#if (flash_EBIU_AMBCTL_WAT == 10)
244#define flash_EBIU_AMBCTL0_WAT B0WAT_10
245#endif
246#if (flash_EBIU_AMBCTL_WAT == 9)
247#define flash_EBIU_AMBCTL0_WAT B0WAT_9
248#endif
249#if (flash_EBIU_AMBCTL_WAT == 8)
250#define flash_EBIU_AMBCTL0_WAT B0WAT_8
251#endif
252#if (flash_EBIU_AMBCTL_WAT == 7)
253#define flash_EBIU_AMBCTL0_WAT B0WAT_7
254#endif
255#if (flash_EBIU_AMBCTL_WAT == 6)
256#define flash_EBIU_AMBCTL0_WAT B0WAT_6
257#endif
258#if (flash_EBIU_AMBCTL_WAT == 5)
259#define flash_EBIU_AMBCTL0_WAT B0WAT_5
260#endif
261#if (flash_EBIU_AMBCTL_WAT == 4)
262#define flash_EBIU_AMBCTL0_WAT B0WAT_4
263#endif
264#if (flash_EBIU_AMBCTL_WAT == 3)
265#define flash_EBIU_AMBCTL0_WAT B0WAT_3
266#endif
267#if (flash_EBIU_AMBCTL_WAT == 2)
268#define flash_EBIU_AMBCTL0_WAT B0WAT_2
269#endif
270#if (flash_EBIU_AMBCTL_WAT == 1)
271#define flash_EBIU_AMBCTL0_WAT B0WAT_1
272#endif
273
274#if (flash_EBIU_AMBCTL_RAT > 14)
275#define flash_EBIU_AMBCTL0_RAT B0RAT_15
276#endif
277#if (flash_EBIU_AMBCTL_RAT == 14)
278#define flash_EBIU_AMBCTL0_RAT B0RAT_14
279#endif
280#if (flash_EBIU_AMBCTL_RAT == 13)
281#define flash_EBIU_AMBCTL0_RAT B0RAT_13
282#endif
283#if (flash_EBIU_AMBCTL_RAT == 12)
284#define flash_EBIU_AMBCTL0_RAT B0RAT_12
285#endif
286#if (flash_EBIU_AMBCTL_RAT == 11)
287#define flash_EBIU_AMBCTL0_RAT B0RAT_11
288#endif
289#if (flash_EBIU_AMBCTL_RAT == 10)
290#define flash_EBIU_AMBCTL0_RAT B0RAT_10
291#endif
292#if (flash_EBIU_AMBCTL_RAT == 9)
293#define flash_EBIU_AMBCTL0_RAT B0RAT_9
294#endif
295#if (flash_EBIU_AMBCTL_RAT == 8)
296#define flash_EBIU_AMBCTL0_RAT B0RAT_8
297#endif
298#if (flash_EBIU_AMBCTL_RAT == 7)
299#define flash_EBIU_AMBCTL0_RAT B0RAT_7
300#endif
301#if (flash_EBIU_AMBCTL_RAT == 6)
302#define flash_EBIU_AMBCTL0_RAT B0RAT_6
303#endif
304#if (flash_EBIU_AMBCTL_RAT == 5)
305#define flash_EBIU_AMBCTL0_RAT B0RAT_5
306#endif
307#if (flash_EBIU_AMBCTL_RAT == 4)
308#define flash_EBIU_AMBCTL0_RAT B0RAT_4
309#endif
310#if (flash_EBIU_AMBCTL_RAT == 3)
311#define flash_EBIU_AMBCTL0_RAT B0RAT_3
312#endif
313#if (flash_EBIU_AMBCTL_RAT == 2)
314#define flash_EBIU_AMBCTL0_RAT B0RAT_2
315#endif
316#if (flash_EBIU_AMBCTL_RAT == 1)
317#define flash_EBIU_AMBCTL0_RAT B0RAT_1
318#endif
319
320#define flash_EBIU_AMBCTL0 \
321 (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \
322 flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN)
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-05 14:38:16 -0500