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-rw-r--r--arch/blackfin/mach-bf537/include/mach/mem_init.h303
1 files changed, 303 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf537/include/mach/mem_init.h b/arch/blackfin/mach-bf537/include/mach/mem_init.h
new file mode 100644
index 000000000000..f67698f670ca
--- /dev/null
+++ b/arch/blackfin/mach-bf537/include/mach/mem_init.h
@@ -0,0 +1,303 @@
1/*
2 * File: include/asm-blackfin/mach-bf537/mem_init.h
3 * Based on:
4 * Author:
5 *
6 * Created:
7 * Description:
8 *
9 * Rev:
10 *
11 * Modified:
12 * Copyright 2004-2006 Analog Devices Inc.
13 *
14 * Bugs: Enter bugs at http://blackfin.uclinux.org/
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2, or (at your option)
19 * any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; see the file COPYING.
28 * If not, write to the Free Software Foundation,
29 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 */
31
32#if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_MT48LC16M8A2TG_75 || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC32M8A2_75)
33#if (CONFIG_SCLK_HZ > 119402985)
34#define SDRAM_tRP TRP_2
35#define SDRAM_tRP_num 2
36#define SDRAM_tRAS TRAS_7
37#define SDRAM_tRAS_num 7
38#define SDRAM_tRCD TRCD_2
39#define SDRAM_tWR TWR_2
40#endif
41#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
42#define SDRAM_tRP TRP_2
43#define SDRAM_tRP_num 2
44#define SDRAM_tRAS TRAS_6
45#define SDRAM_tRAS_num 6
46#define SDRAM_tRCD TRCD_2
47#define SDRAM_tWR TWR_2
48#endif
49#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
50#define SDRAM_tRP TRP_2
51#define SDRAM_tRP_num 2
52#define SDRAM_tRAS TRAS_5
53#define SDRAM_tRAS_num 5
54#define SDRAM_tRCD TRCD_2
55#define SDRAM_tWR TWR_2
56#endif
57#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
58#define SDRAM_tRP TRP_2
59#define SDRAM_tRP_num 2
60#define SDRAM_tRAS TRAS_4
61#define SDRAM_tRAS_num 4
62#define SDRAM_tRCD TRCD_2
63#define SDRAM_tWR TWR_2
64#endif
65#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
66#define SDRAM_tRP TRP_2
67#define SDRAM_tRP_num 2
68#define SDRAM_tRAS TRAS_3
69#define SDRAM_tRAS_num 3
70#define SDRAM_tRCD TRCD_2
71#define SDRAM_tWR TWR_2
72#endif
73#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667)
74#define SDRAM_tRP TRP_1
75#define SDRAM_tRP_num 1
76#define SDRAM_tRAS TRAS_4
77#define SDRAM_tRAS_num 3
78#define SDRAM_tRCD TRCD_1
79#define SDRAM_tWR TWR_2
80#endif
81#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493)
82#define SDRAM_tRP TRP_1
83#define SDRAM_tRP_num 1
84#define SDRAM_tRAS TRAS_3
85#define SDRAM_tRAS_num 3
86#define SDRAM_tRCD TRCD_1
87#define SDRAM_tWR TWR_2
88#endif
89#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119)
90#define SDRAM_tRP TRP_1
91#define SDRAM_tRP_num 1
92#define SDRAM_tRAS TRAS_2
93#define SDRAM_tRAS_num 2
94#define SDRAM_tRCD TRCD_1
95#define SDRAM_tWR TWR_2
96#endif
97#if (CONFIG_SCLK_HZ <= 29850746)
98#define SDRAM_tRP TRP_1
99#define SDRAM_tRP_num 1
100#define SDRAM_tRAS TRAS_1
101#define SDRAM_tRAS_num 1
102#define SDRAM_tRCD TRCD_1
103#define SDRAM_tWR TWR_2
104#endif
105#endif
106
107#if (CONFIG_MEM_MT48LC16M16A2TG_75)
108 /*SDRAM INFORMATION: */
109#define SDRAM_Tref 64 /* Refresh period in milliseconds */
110#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
111#define SDRAM_CL CL_3
112#endif
113
114#if (CONFIG_MEM_MT48LC16M8A2TG_75)
115 /*SDRAM INFORMATION: */
116#define SDRAM_Tref 64 /* Refresh period in milliseconds */
117#define SDRAM_NRA 4096 /* Number of row addresses in SDRAM */
118#define SDRAM_CL CL_3
119#endif
120
121#if (CONFIG_MEM_MT48LC32M8A2_75)
122 /*SDRAM INFORMATION: */
123#define SDRAM_Tref 64 /* Refresh period in milliseconds */
124#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
125#define SDRAM_CL CL_3
126#endif
127
128#if (CONFIG_MEM_MT48LC64M4A2FB_7E)
129 /*SDRAM INFORMATION: */
130#define SDRAM_Tref 64 /* Refresh period in milliseconds */
131#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
132#define SDRAM_CL CL_3
133#endif
134
135#if (CONFIG_MEM_GENERIC_BOARD)
136 /*SDRAM INFORMATION: Modify this for your board */
137#define SDRAM_Tref 64 /* Refresh period in milliseconds */
138#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
139#define SDRAM_CL CL_3
140#endif
141
142/* Equation from section 17 (p17-46) of BF533 HRM */
143#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)
144
145/* Enable SCLK Out */
146#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS)
147
148#if defined CONFIG_CLKIN_HALF
149#define CLKIN_HALF 1
150#else
151#define CLKIN_HALF 0
152#endif
153
154#if defined CONFIG_PLL_BYPASS
155#define PLL_BYPASS 1
156#else
157#define PLL_BYPASS 0
158#endif
159
160/***************************************Currently Not Being Used *********************************/
161#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
162#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
163#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ))
164#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
165#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
166
167#if (flash_EBIU_AMBCTL_TT > 3)
168#define flash_EBIU_AMBCTL0_TT B0TT_4
169#endif
170#if (flash_EBIU_AMBCTL_TT == 3)
171#define flash_EBIU_AMBCTL0_TT B0TT_3
172#endif
173#if (flash_EBIU_AMBCTL_TT == 2)
174#define flash_EBIU_AMBCTL0_TT B0TT_2
175#endif
176#if (flash_EBIU_AMBCTL_TT < 2)
177#define flash_EBIU_AMBCTL0_TT B0TT_1
178#endif
179
180#if (flash_EBIU_AMBCTL_ST > 3)
181#define flash_EBIU_AMBCTL0_ST B0ST_4
182#endif
183#if (flash_EBIU_AMBCTL_ST == 3)
184#define flash_EBIU_AMBCTL0_ST B0ST_3
185#endif
186#if (flash_EBIU_AMBCTL_ST == 2)
187#define flash_EBIU_AMBCTL0_ST B0ST_2
188#endif
189#if (flash_EBIU_AMBCTL_ST < 2)
190#define flash_EBIU_AMBCTL0_ST B0ST_1
191#endif
192
193#if (flash_EBIU_AMBCTL_HT > 2)
194#define flash_EBIU_AMBCTL0_HT B0HT_3
195#endif
196#if (flash_EBIU_AMBCTL_HT == 2)
197#define flash_EBIU_AMBCTL0_HT B0HT_2
198#endif
199#if (flash_EBIU_AMBCTL_HT == 1)
200#define flash_EBIU_AMBCTL0_HT B0HT_1
201#endif
202#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0)
203#define flash_EBIU_AMBCTL0_HT B0HT_0
204#endif
205#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0)
206#define flash_EBIU_AMBCTL0_HT B0HT_1
207#endif
208
209#if (flash_EBIU_AMBCTL_WAT > 14)
210#define flash_EBIU_AMBCTL0_WAT B0WAT_15
211#endif
212#if (flash_EBIU_AMBCTL_WAT == 14)
213#define flash_EBIU_AMBCTL0_WAT B0WAT_14
214#endif
215#if (flash_EBIU_AMBCTL_WAT == 13)
216#define flash_EBIU_AMBCTL0_WAT B0WAT_13
217#endif
218#if (flash_EBIU_AMBCTL_WAT == 12)
219#define flash_EBIU_AMBCTL0_WAT B0WAT_12
220#endif
221#if (flash_EBIU_AMBCTL_WAT == 11)
222#define flash_EBIU_AMBCTL0_WAT B0WAT_11
223#endif
224#if (flash_EBIU_AMBCTL_WAT == 10)
225#define flash_EBIU_AMBCTL0_WAT B0WAT_10
226#endif
227#if (flash_EBIU_AMBCTL_WAT == 9)
228#define flash_EBIU_AMBCTL0_WAT B0WAT_9
229#endif
230#if (flash_EBIU_AMBCTL_WAT == 8)
231#define flash_EBIU_AMBCTL0_WAT B0WAT_8
232#endif
233#if (flash_EBIU_AMBCTL_WAT == 7)
234#define flash_EBIU_AMBCTL0_WAT B0WAT_7
235#endif
236#if (flash_EBIU_AMBCTL_WAT == 6)
237#define flash_EBIU_AMBCTL0_WAT B0WAT_6
238#endif
239#if (flash_EBIU_AMBCTL_WAT == 5)
240#define flash_EBIU_AMBCTL0_WAT B0WAT_5
241#endif
242#if (flash_EBIU_AMBCTL_WAT == 4)
243#define flash_EBIU_AMBCTL0_WAT B0WAT_4
244#endif
245#if (flash_EBIU_AMBCTL_WAT == 3)
246#define flash_EBIU_AMBCTL0_WAT B0WAT_3
247#endif
248#if (flash_EBIU_AMBCTL_WAT == 2)
249#define flash_EBIU_AMBCTL0_WAT B0WAT_2
250#endif
251#if (flash_EBIU_AMBCTL_WAT == 1)
252#define flash_EBIU_AMBCTL0_WAT B0WAT_1
253#endif
254
255#if (flash_EBIU_AMBCTL_RAT > 14)
256#define flash_EBIU_AMBCTL0_RAT B0RAT_15
257#endif
258#if (flash_EBIU_AMBCTL_RAT == 14)
259#define flash_EBIU_AMBCTL0_RAT B0RAT_14
260#endif
261#if (flash_EBIU_AMBCTL_RAT == 13)
262#define flash_EBIU_AMBCTL0_RAT B0RAT_13
263#endif
264#if (flash_EBIU_AMBCTL_RAT == 12)
265#define flash_EBIU_AMBCTL0_RAT B0RAT_12
266#endif
267#if (flash_EBIU_AMBCTL_RAT == 11)
268#define flash_EBIU_AMBCTL0_RAT B0RAT_11
269#endif
270#if (flash_EBIU_AMBCTL_RAT == 10)
271#define flash_EBIU_AMBCTL0_RAT B0RAT_10
272#endif
273#if (flash_EBIU_AMBCTL_RAT == 9)
274#define flash_EBIU_AMBCTL0_RAT B0RAT_9
275#endif
276#if (flash_EBIU_AMBCTL_RAT == 8)
277#define flash_EBIU_AMBCTL0_RAT B0RAT_8
278#endif
279#if (flash_EBIU_AMBCTL_RAT == 7)
280#define flash_EBIU_AMBCTL0_RAT B0RAT_7
281#endif
282#if (flash_EBIU_AMBCTL_RAT == 6)
283#define flash_EBIU_AMBCTL0_RAT B0RAT_6
284#endif
285#if (flash_EBIU_AMBCTL_RAT == 5)
286#define flash_EBIU_AMBCTL0_RAT B0RAT_5
287#endif
288#if (flash_EBIU_AMBCTL_RAT == 4)
289#define flash_EBIU_AMBCTL0_RAT B0RAT_4
290#endif
291#if (flash_EBIU_AMBCTL_RAT == 3)
292#define flash_EBIU_AMBCTL0_RAT B0RAT_3
293#endif
294#if (flash_EBIU_AMBCTL_RAT == 2)
295#define flash_EBIU_AMBCTL0_RAT B0RAT_2
296#endif
297#if (flash_EBIU_AMBCTL_RAT == 1)
298#define flash_EBIU_AMBCTL0_RAT B0RAT_1
299#endif
300
301#define flash_EBIU_AMBCTL0 \
302 (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \
303 flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN)
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 16:24:34 -0500