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authorIngo Molnar <mingo@elte.hu>2008-09-06 10:51:57 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-06 10:51:57 -0400
commit7f79d852ed30a06eebf7497afe9334a726db3d40 (patch)
tree0057281f17501b635d3d88cda9a14203706f5dcc /arch/blackfin/mach-bf533/include/mach/mem_init.h
parentaef745fca016aea45adae5c98e8698904dd8ad51 (diff)
parent70bb08962ea9bd50797ae9f16b2493f5f7c65053 (diff)
Merge branch 'linus' into sched/devel
Diffstat (limited to 'arch/blackfin/mach-bf533/include/mach/mem_init.h')
-rw-r--r--arch/blackfin/mach-bf533/include/mach/mem_init.h297
1 files changed, 297 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf533/include/mach/mem_init.h b/arch/blackfin/mach-bf533/include/mach/mem_init.h
new file mode 100644
index 000000000000..ed2034bf10ec
--- /dev/null
+++ b/arch/blackfin/mach-bf533/include/mach/mem_init.h
@@ -0,0 +1,297 @@
1/*
2 * File: include/asm-blackfin/mach-bf533/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 || \
33 CONFIG_MEM_MT48LC32M16A2TG_75 || CONFIG_MEM_GENERIC_BOARD)
34#if (CONFIG_SCLK_HZ > 119402985)
35#define SDRAM_tRP TRP_2
36#define SDRAM_tRP_num 2
37#define SDRAM_tRAS TRAS_7
38#define SDRAM_tRAS_num 7
39#define SDRAM_tRCD TRCD_2
40#define SDRAM_tWR TWR_2
41#endif
42#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
43#define SDRAM_tRP TRP_2
44#define SDRAM_tRP_num 2
45#define SDRAM_tRAS TRAS_6
46#define SDRAM_tRAS_num 6
47#define SDRAM_tRCD TRCD_2
48#define SDRAM_tWR TWR_2
49#endif
50#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
51#define SDRAM_tRP TRP_2
52#define SDRAM_tRP_num 2
53#define SDRAM_tRAS TRAS_5
54#define SDRAM_tRAS_num 5
55#define SDRAM_tRCD TRCD_2
56#define SDRAM_tWR TWR_2
57#endif
58#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
59#define SDRAM_tRP TRP_2
60#define SDRAM_tRP_num 2
61#define SDRAM_tRAS TRAS_4
62#define SDRAM_tRAS_num 4
63#define SDRAM_tRCD TRCD_2
64#define SDRAM_tWR TWR_2
65#endif
66#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
67#define SDRAM_tRP TRP_2
68#define SDRAM_tRP_num 2
69#define SDRAM_tRAS TRAS_3
70#define SDRAM_tRAS_num 3
71#define SDRAM_tRCD TRCD_2
72#define SDRAM_tWR TWR_2
73#endif
74#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667)
75#define SDRAM_tRP TRP_1
76#define SDRAM_tRP_num 1
77#define SDRAM_tRAS TRAS_4
78#define SDRAM_tRAS_num 3
79#define SDRAM_tRCD TRCD_1
80#define SDRAM_tWR TWR_2
81#endif
82#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493)
83#define SDRAM_tRP TRP_1
84#define SDRAM_tRP_num 1
85#define SDRAM_tRAS TRAS_3
86#define SDRAM_tRAS_num 3
87#define SDRAM_tRCD TRCD_1
88#define SDRAM_tWR TWR_2
89#endif
90#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119)
91#define SDRAM_tRP TRP_1
92#define SDRAM_tRP_num 1
93#define SDRAM_tRAS TRAS_2
94#define SDRAM_tRAS_num 2
95#define SDRAM_tRCD TRCD_1
96#define SDRAM_tWR TWR_2
97#endif
98#if (CONFIG_SCLK_HZ <= 29850746)
99#define SDRAM_tRP TRP_1
100#define SDRAM_tRP_num 1
101#define SDRAM_tRAS TRAS_1
102#define SDRAM_tRAS_num 1
103#define SDRAM_tRCD TRCD_1
104#define SDRAM_tWR TWR_2
105#endif
106#endif
107
108#if (CONFIG_MEM_MT48LC16M16A2TG_75)
109 /*SDRAM INFORMATION: */
110#define SDRAM_Tref 64 /* Refresh period in milliseconds */
111#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
112#define SDRAM_CL CL_3
113#endif
114
115#if (CONFIG_MEM_MT48LC64M4A2FB_7E)
116 /*SDRAM INFORMATION: */
117#define SDRAM_Tref 64 /* Refresh period in milliseconds */
118#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
119#define SDRAM_CL CL_3
120#endif
121
122#if (CONFIG_MEM_MT48LC32M16A2TG_75)
123 /*SDRAM INFORMATION: */
124#define SDRAM_Tref 64 /* Refresh period in milliseconds */
125#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
126#define SDRAM_CL CL_3
127#endif
128
129#if (CONFIG_MEM_GENERIC_BOARD)
130 /*SDRAM INFORMATION: Modify this for your board */
131#define SDRAM_Tref 64 /* Refresh period in milliseconds */
132#define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */
133#define SDRAM_CL CL_3
134#endif
135
136/* Equation from section 17 (p17-46) of BF533 HRM */
137#define mem_SDRRC (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)
138
139/* Enable SCLK Out */
140#define mem_SDGCTL (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS)
141
142#if defined CONFIG_CLKIN_HALF
143#define CLKIN_HALF 1
144#else
145#define CLKIN_HALF 0
146#endif
147
148#if defined CONFIG_PLL_BYPASS
149#define PLL_BYPASS 1
150#else
151#define PLL_BYPASS 0
152#endif
153
154/***************************************Currently Not Being Used *********************************/
155#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
156#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
157#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ))
158#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
159#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
160
161#if (flash_EBIU_AMBCTL_TT > 3)
162#define flash_EBIU_AMBCTL0_TT B0TT_4
163#endif
164#if (flash_EBIU_AMBCTL_TT == 3)
165#define flash_EBIU_AMBCTL0_TT B0TT_3
166#endif
167#if (flash_EBIU_AMBCTL_TT == 2)
168#define flash_EBIU_AMBCTL0_TT B0TT_2
169#endif
170#if (flash_EBIU_AMBCTL_TT < 2)
171#define flash_EBIU_AMBCTL0_TT B0TT_1
172#endif
173
174#if (flash_EBIU_AMBCTL_ST > 3)
175#define flash_EBIU_AMBCTL0_ST B0ST_4
176#endif
177#if (flash_EBIU_AMBCTL_ST == 3)
178#define flash_EBIU_AMBCTL0_ST B0ST_3
179#endif
180#if (flash_EBIU_AMBCTL_ST == 2)
181#define flash_EBIU_AMBCTL0_ST B0ST_2
182#endif
183#if (flash_EBIU_AMBCTL_ST < 2)
184#define flash_EBIU_AMBCTL0_ST B0ST_1
185#endif
186
187#if (flash_EBIU_AMBCTL_HT > 2)
188#define flash_EBIU_AMBCTL0_HT B0HT_3
189#endif
190#if (flash_EBIU_AMBCTL_HT == 2)
191#define flash_EBIU_AMBCTL0_HT B0HT_2
192#endif
193#if (flash_EBIU_AMBCTL_HT == 1)
194#define flash_EBIU_AMBCTL0_HT B0HT_1
195#endif
196#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0)
197#define flash_EBIU_AMBCTL0_HT B0HT_0
198#endif
199#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0)
200#define flash_EBIU_AMBCTL0_HT B0HT_1
201#endif
202
203#if (flash_EBIU_AMBCTL_WAT > 14)
204#define flash_EBIU_AMBCTL0_WAT B0WAT_15
205#endif
206#if (flash_EBIU_AMBCTL_WAT == 14)
207#define flash_EBIU_AMBCTL0_WAT B0WAT_14
208#endif
209#if (flash_EBIU_AMBCTL_WAT == 13)
210#define flash_EBIU_AMBCTL0_WAT B0WAT_13
211#endif
212#if (flash_EBIU_AMBCTL_WAT == 12)
213#define flash_EBIU_AMBCTL0_WAT B0WAT_12
214#endif
215#if (flash_EBIU_AMBCTL_WAT == 11)
216#define flash_EBIU_AMBCTL0_WAT B0WAT_11
217#endif
218#if (flash_EBIU_AMBCTL_WAT == 10)
219#define flash_EBIU_AMBCTL0_WAT B0WAT_10
220#endif
221#if (flash_EBIU_AMBCTL_WAT == 9)
222#define flash_EBIU_AMBCTL0_WAT B0WAT_9
223#endif
224#if (flash_EBIU_AMBCTL_WAT == 8)
225#define flash_EBIU_AMBCTL0_WAT B0WAT_8
226#endif
227#if (flash_EBIU_AMBCTL_WAT == 7)
228#define flash_EBIU_AMBCTL0_WAT B0WAT_7
229#endif
230#if (flash_EBIU_AMBCTL_WAT == 6)
231#define flash_EBIU_AMBCTL0_WAT B0WAT_6
232#endif
233#if (flash_EBIU_AMBCTL_WAT == 5)
234#define flash_EBIU_AMBCTL0_WAT B0WAT_5
235#endif
236#if (flash_EBIU_AMBCTL_WAT == 4)
237#define flash_EBIU_AMBCTL0_WAT B0WAT_4
238#endif
239#if (flash_EBIU_AMBCTL_WAT == 3)
240#define flash_EBIU_AMBCTL0_WAT B0WAT_3
241#endif
242#if (flash_EBIU_AMBCTL_WAT == 2)
243#define flash_EBIU_AMBCTL0_WAT B0WAT_2
244#endif
245#if (flash_EBIU_AMBCTL_WAT == 1)
246#define flash_EBIU_AMBCTL0_WAT B0WAT_1
247#endif
248
249#if (flash_EBIU_AMBCTL_RAT > 14)
250#define flash_EBIU_AMBCTL0_RAT B0RAT_15
251#endif
252#if (flash_EBIU_AMBCTL_RAT == 14)
253#define flash_EBIU_AMBCTL0_RAT B0RAT_14
254#endif
255#if (flash_EBIU_AMBCTL_RAT == 13)
256#define flash_EBIU_AMBCTL0_RAT B0RAT_13
257#endif
258#if (flash_EBIU_AMBCTL_RAT == 12)
259#define flash_EBIU_AMBCTL0_RAT B0RAT_12
260#endif
261#if (flash_EBIU_AMBCTL_RAT == 11)
262#define flash_EBIU_AMBCTL0_RAT B0RAT_11
263#endif
264#if (flash_EBIU_AMBCTL_RAT == 10)
265#define flash_EBIU_AMBCTL0_RAT B0RAT_10
266#endif
267#if (flash_EBIU_AMBCTL_RAT == 9)
268#define flash_EBIU_AMBCTL0_RAT B0RAT_9
269#endif
270#if (flash_EBIU_AMBCTL_RAT == 8)
271#define flash_EBIU_AMBCTL0_RAT B0RAT_8
272#endif
273#if (flash_EBIU_AMBCTL_RAT == 7)
274#define flash_EBIU_AMBCTL0_RAT B0RAT_7
275#endif
276#if (flash_EBIU_AMBCTL_RAT == 6)
277#define flash_EBIU_AMBCTL0_RAT B0RAT_6
278#endif
279#if (flash_EBIU_AMBCTL_RAT == 5)
280#define flash_EBIU_AMBCTL0_RAT B0RAT_5
281#endif
282#if (flash_EBIU_AMBCTL_RAT == 4)
283#define flash_EBIU_AMBCTL0_RAT B0RAT_4
284#endif
285#if (flash_EBIU_AMBCTL_RAT == 3)
286#define flash_EBIU_AMBCTL0_RAT B0RAT_3
287#endif
288#if (flash_EBIU_AMBCTL_RAT == 2)
289#define flash_EBIU_AMBCTL0_RAT B0RAT_2
290#endif
291#if (flash_EBIU_AMBCTL_RAT == 1)
292#define flash_EBIU_AMBCTL0_RAT B0RAT_1
293#endif
294
295#define flash_EBIU_AMBCTL0 \
296 (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \
297 flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN)
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