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nds32: Enable two banks of SDRAM on Andes board
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1 /*
2  * Copyright (C) 2011 Andes Technology Corporation
3  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
4  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  */
23
24 #ifndef __CONFIG_H
25 #define __CONFIG_H
26
27 #include <asm/arch/ag101.h>
28
29 /*
30  * CPU and Board Configuration Options
31  */
32 #define CONFIG_ADP_AG101
33
34 #define CONFIG_USE_INTERRUPT
35
36 #define CONFIG_SKIP_LOWLEVEL_INIT
37
38 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
39 #define CONFIG_MEM_REMAP
40 #endif
41
42 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
43 #define CONFIG_SYS_TEXT_BASE    0x03200000
44 #else
45 #define CONFIG_SYS_TEXT_BASE    0x00000000
46 #endif
47
48 /*
49  * Timer
50  */
51
52 /*
53  * According to the discussion in u-boot mailing list before,
54  * CONFIG_SYS_HZ at 1000 is mandatory.
55  */
56 #define CONFIG_SYS_HZ           1000
57 #define CONFIG_SYS_CLK_FREQ     48000000
58 #define VERSION_CLOCK           CONFIG_SYS_CLK_FREQ
59
60 /*
61  * Use Externel CLOCK or PCLK
62  */
63 #undef CONFIG_FTRTC010_EXTCLK
64
65 #ifndef CONFIG_FTRTC010_EXTCLK
66 #define CONFIG_FTRTC010_PCLK
67 #endif
68
69 #ifdef CONFIG_FTRTC010_EXTCLK
70 #define TIMER_CLOCK     32768                   /* CONFIG_FTRTC010_EXTCLK */
71 #else
72 #define TIMER_CLOCK     CONFIG_SYS_HZ           /* CONFIG_FTRTC010_PCLK */
73 #endif
74
75 #define TIMER_LOAD_VAL  0xffffffff
76
77 /*
78  * Real Time Clock
79  */
80 #define CONFIG_RTC_FTRTC010
81
82 /*
83  * Real Time Clock Divider
84  * RTC_DIV_COUNT                        (OSC_CLK/OSC_5MHZ)
85  */
86 #define OSC_5MHZ                        (5*1000000)
87 #define OSC_CLK                         (2*OSC_5MHZ)
88 #define RTC_DIV_COUNT                   (OSC_CLK/OSC_5MHZ)
89
90 /*
91  * Serial console configuration
92  */
93
94 /* FTUART is a high speed NS 16C550A compatible UART, addr: 0x99600000 */
95 #define CONFIG_BAUDRATE                 38400
96 #define CONFIG_CONS_INDEX               1
97 #define CONFIG_SYS_NS16550
98 #define CONFIG_SYS_NS16550_SERIAL
99 #define CONFIG_SYS_NS16550_COM1         CONFIG_FTUART010_02_BASE
100 #define CONFIG_SYS_NS16550_REG_SIZE     -4
101 #define CONFIG_SYS_NS16550_CLK          ((46080000 * 20) / 25)  /* AG101 */
102
103 /*
104  * Ethernet
105  */
106 #define CONFIG_FTMAC100
107
108 #define CONFIG_BOOTDELAY        3
109
110 /*
111  * SD (MMC) controller
112  */
113 #define CONFIG_MMC
114 #define CONFIG_CMD_MMC
115 #define CONFIG_GENERIC_MMC
116 #define CONFIG_DOS_PARTITION
117 #define CONFIG_FTSDC010
118 #define CONFIG_FTSDC010_NUMBER          1
119 #define CONFIG_CMD_FAT
120
121 /*
122  * Command line configuration.
123  */
124 #include <config_cmd_default.h>
125
126 #define CONFIG_CMD_CACHE
127 #define CONFIG_CMD_DATE
128 #define CONFIG_CMD_PING
129
130 /*
131  * Miscellaneous configurable options
132  */
133 #define CONFIG_SYS_LONGHELP                     /* undef to save memory */
134 #define CONFIG_SYS_PROMPT       "NDS32 # "      /* Monitor Command Prompt */
135 #define CONFIG_SYS_CBSIZE       256             /* Console I/O Buffer Size */
136
137 /* Print Buffer Size */
138 #define CONFIG_SYS_PBSIZE       \
139         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
140
141 /* max number of command args */
142 #define CONFIG_SYS_MAXARGS      16
143
144 /* Boot Argument Buffer Size */
145 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE
146
147 /*
148  * Size of malloc() pool
149  */
150 /* 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough */
151 #define CONFIG_SYS_MALLOC_LEN           (512 << 10)
152
153 /*
154  * size in bytes reserved for initial data
155  */
156 #define CONFIG_SYS_GBL_DATA_SIZE        128
157
158 /*
159  * AHB Controller configuration
160  */
161 #define CONFIG_FTAHBC020S
162
163 #ifdef CONFIG_FTAHBC020S
164 #include <faraday/ftahbc020s.h>
165
166 /* Address of PHYS_SDRAM_0 before memory remap is at 0x(100)00000 */
167 #define CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE    0x100
168
169 /*
170  * CONFIG_SYS_FTAHBC020S_SLAVE_BSR_6: this define is used in lowlevel_init.S,
171  * hence we cannot use FTAHBC020S_BSR_SIZE(2048) since it will use ffs() wrote
172  * in C language.
173  */
174 #define CONFIG_SYS_FTAHBC020S_SLAVE_BSR_6 \
175         (FTAHBC020S_SLAVE_BSR_BASE(CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE) | \
176                                         FTAHBC020S_SLAVE_BSR_SIZE(0xb))
177 #endif
178
179 /*
180  * Watchdog
181  */
182 #define CONFIG_FTWDT010_WATCHDOG
183
184 /*
185  * PMU Power controller configuration
186  */
187 #define CONFIG_PMU
188 #define CONFIG_FTPMU010_POWER
189
190 #ifdef CONFIG_FTPMU010_POWER
191 #include <faraday/ftpmu010.h>
192 #define CONFIG_SYS_FTPMU010_PDLLCR0_HCLKOUTDIS          0x0E
193 #define CONFIG_SYS_FTPMU010_SDRAMHTC    (FTPMU010_SDRAMHTC_EBICTRL_DCSR  | \
194                                          FTPMU010_SDRAMHTC_EBIDATA_DCSR  | \
195                                          FTPMU010_SDRAMHTC_SDRAMCS_DCSR  | \
196                                          FTPMU010_SDRAMHTC_SDRAMCTL_DCSR | \
197                                          FTPMU010_SDRAMHTC_CKE_DCSR      | \
198                                          FTPMU010_SDRAMHTC_DQM_DCSR      | \
199                                          FTPMU010_SDRAMHTC_SDCLK_DCSR)
200 #endif
201
202 /*
203  * SDRAM controller configuration
204  */
205 #define CONFIG_FTSDMC021
206
207 #ifdef CONFIG_FTSDMC021
208 #include <faraday/ftsdmc021.h>
209
210 #define CONFIG_SYS_FTSDMC021_TP1        (FTSDMC021_TP1_TRP(1)   |       \
211                                          FTSDMC021_TP1_TRCD(1)  |       \
212                                          FTSDMC021_TP1_TRF(3)   |       \
213                                          FTSDMC021_TP1_TWR(1)   |       \
214                                          FTSDMC021_TP1_TCL(2))
215
216 #define CONFIG_SYS_FTSDMC021_TP2        (FTSDMC021_TP2_INI_PREC(4) |    \
217                                          FTSDMC021_TP2_INI_REFT(8) |    \
218                                          FTSDMC021_TP2_REF_INTV(0x180))
219
220 /*
221  * CONFIG_SYS_FTSDMC021_CR1: this define is used in lowlevel_init.S,
222  * hence we cannot use FTSDMC021_BANK_SIZE(64) since it will use ffs() wrote in
223  * C language.
224  */
225 #define CONFIG_SYS_FTSDMC021_CR1        (FTSDMC021_CR1_DDW(2)    |      \
226                                          FTSDMC021_CR1_DSZ(3)    |      \
227                                          FTSDMC021_CR1_MBW(2)    |      \
228                                          FTSDMC021_CR1_BNKSIZE(6))
229
230 #define CONFIG_SYS_FTSDMC021_CR2        (FTSDMC021_CR2_IPREC     |      \
231                                          FTSDMC021_CR2_IREF      |      \
232                                          FTSDMC021_CR2_ISMR)
233
234 #define CONFIG_SYS_FTSDMC021_BANK0_BASE CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE
235 #define CONFIG_SYS_FTSDMC021_BANK0_BSR  (FTSDMC021_BANK_ENABLE   |      \
236                                          CONFIG_SYS_FTSDMC021_BANK0_BASE)
237
238 #define CONFIG_SYS_FTSDMC021_BANK1_BASE \
239         (CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE + (PHYS_SDRAM_0_SIZE >> 20))
240 #define CONFIG_SYS_FTSDMC021_BANK1_BSR (FTSDMC021_BANK_ENABLE   |      \
241                 CONFIG_SYS_FTSDMC021_BANK1_BASE)
242
243 #endif
244
245 /*
246  * Physical Memory Map
247  */
248 #if defined(CONFIG_MEM_REMAP) || defined(CONFIG_SKIP_LOWLEVEL_INIT)
249 #define PHYS_SDRAM_0            0x00000000      /* SDRAM Bank #1 */
250 #if defined(CONFIG_MEM_REMAP)
251 #define PHYS_SDRAM_0_AT_INIT    0x10000000      /* SDRAM Bank #1 before remap*/
252 #endif
253 #else   /* !CONFIG_SKIP_LOWLEVEL_INIT && !CONFIG_MEM_REMAP */
254 #define PHYS_SDRAM_0            0x10000000      /* SDRAM Bank #1 */
255 #endif
256 #define PHYS_SDRAM_1 \
257         (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)      /* SDRAM Bank #2 */
258
259 #define CONFIG_NR_DRAM_BANKS    2               /* we have 2 bank of DRAM */
260 #define PHYS_SDRAM_0_SIZE       0x04000000      /* 64 MB */
261 #define PHYS_SDRAM_1_SIZE       0x04000000      /* 64 MB */
262
263 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM_0
264
265 #ifdef CONFIG_MEM_REMAP
266 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0xA0000 - \
267                                         GENERATED_GBL_DATA_SIZE)
268 #else
269 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
270                                         GENERATED_GBL_DATA_SIZE)
271 #endif /* CONFIG_MEM_REMAP */
272
273 /*
274  * Load address and memory test area should agree with
275  * arch/nds32/config.mk. Be careful not to overwrite U-boot itself.
276  */
277 #define CONFIG_SYS_LOAD_ADDR            0x300000
278
279 /* memtest works on 63 MB in DRAM */
280 #define CONFIG_SYS_MEMTEST_START        PHYS_SDRAM_0
281 #define CONFIG_SYS_MEMTEST_END          (PHYS_SDRAM_0 + 0x03F00000)
282
283 /*
284  * Static memory controller configuration
285  */
286 #define CONFIG_FTSMC020
287
288 #ifdef CONFIG_FTSMC020
289 #include <faraday/ftsmc020.h>
290
291 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
292 #define CONFIG_SYS_FTSMC020_CONFIGS     {                       \
293         { FTSMC020_BANK0_CONFIG, FTSMC020_BANK0_TIMING, },      \
294         { FTSMC020_BANK1_CONFIG, FTSMC020_BANK1_TIMING, },      \
295 }
296 #else
297 #define CONFIG_SYS_FTSMC020_CONFIGS     {                       \
298         { FTSMC020_BANK1_CONFIG, FTSMC020_BANK1_TIMING, },      \
299 }
300 #endif
301
302 /*
303  * There are 2 bank connected to FTSMC020 on ADP-AG101.
304  * You can use jumper and switch to force it booted from ROM or FLASH.
305  * MA17: Lo, SW5 = "0101": BANK0: ROM, BANK1: FLASH.
306  * MA17: Hi, SW5 = "1010": BANK0: FLASH; ROM is disabled.
307  */
308 #ifndef CONFIG_SKIP_LOWLEVEL_INIT       /* FLASH is on BANK 0 */
309 #define FTSMC020_BANK0_LOWLV_CONFIG     (FTSMC020_BANK_ENABLE   |       \
310                                          FTSMC020_BANK_SIZE_32M |       \
311                                          FTSMC020_BANK_MBW_32)
312
313 #define FTSMC020_BANK0_LOWLV_TIMING     (FTSMC020_TPR_RBE       |       \
314                                          FTSMC020_TPR_AST(1)    |       \
315                                          FTSMC020_TPR_CTW(1)    |       \
316                                          FTSMC020_TPR_ATI(1)    |       \
317                                          FTSMC020_TPR_AT2(1)    |       \
318                                          FTSMC020_TPR_WTC(1)    |       \
319                                          FTSMC020_TPR_AHT(1)    |       \
320                                          FTSMC020_TPR_TRNA(1))
321 #endif
322
323 /*
324  * This FTSMC020_BANK0_CONFIG indecates the setting of BANK0.
325  * 1. When CONFIG_SKIP_LOWLEVEL_INIT is enabled, BANK0 is EEPROM,
326  *    Do NOT enable BANK0 in FTSMC020_BANK0_CONFIG under this condition.
327  * 2. When CONFIG_SKIP_LOWLEVEL_INIT is undefined, BANK0 is FLASH.
328  */
329 #define FTSMC020_BANK0_CONFIG   (FTSMC020_BANK_SIZE_32M           |     \
330                                  FTSMC020_BANK_MBW_32)
331
332 #define FTSMC020_BANK0_TIMING   (FTSMC020_TPR_RBE      |        \
333                                  FTSMC020_TPR_AST(3)   |        \
334                                  FTSMC020_TPR_CTW(3)   |        \
335                                  FTSMC020_TPR_ATI(0xf) |        \
336                                  FTSMC020_TPR_AT2(3)   |        \
337                                  FTSMC020_TPR_WTC(3)   |        \
338                                  FTSMC020_TPR_AHT(3)   |        \
339                                  FTSMC020_TPR_TRNA(0xf))
340
341 #define FTSMC020_BANK1_CONFIG   (FTSMC020_BANK_ENABLE   |       \
342                                  FTSMC020_BANK_BASE(PHYS_FLASH_1) |     \
343                                  FTSMC020_BANK_SIZE_32M |       \
344                                  FTSMC020_BANK_MBW_32)
345
346 #define FTSMC020_BANK1_TIMING   (FTSMC020_TPR_RBE       |       \
347                                  FTSMC020_TPR_AST(1)    |       \
348                                  FTSMC020_TPR_CTW(1)    |       \
349                                  FTSMC020_TPR_ATI(1)    |       \
350                                  FTSMC020_TPR_AT2(1)    |       \
351                                  FTSMC020_TPR_WTC(1)    |       \
352                                  FTSMC020_TPR_AHT(1)    |       \
353                                  FTSMC020_TPR_TRNA(1))
354 #endif /* CONFIG_FTSMC020 */
355
356 /*
357  * FLASH and environment organization
358  */
359 /* use CFI framework */
360 #define CONFIG_SYS_FLASH_CFI
361 #define CONFIG_FLASH_CFI_DRIVER
362
363 #define CONFIG_SYS_FLASH_CFI_WIDTH      FLASH_CFI_16BIT
364 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
365
366 /* support JEDEC */
367
368 /* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
369 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
370 #define PHYS_FLASH_1                    0x80400000      /* BANK 1 */
371 #else   /* !CONFIG_SKIP_LOWLEVEL_INIT */
372 #ifdef CONFIG_MEM_REMAP
373 #define PHYS_FLASH_1                    0x80000000      /* BANK 0 */
374 #else
375 #define PHYS_FLASH_1                    0x00000000      /* BANK 0 */
376 #endif  /* CONFIG_MEM_REMAP */
377 #endif  /* CONFIG_SKIP_LOWLEVEL_INIT */
378
379 #define CONFIG_SYS_FLASH_BASE           PHYS_FLASH_1
380 #define CONFIG_SYS_FLASH_BANKS_LIST     { PHYS_FLASH_1, }
381 #define CONFIG_SYS_MONITOR_BASE         PHYS_FLASH_1
382
383 #define CONFIG_SYS_FLASH_ERASE_TOUT     120000  /* TO for Flash Erase (ms) */
384 #define CONFIG_SYS_FLASH_WRITE_TOUT     500     /* TO for Flash Write (ms) */
385
386 /* max number of memory banks */
387 /*
388  * There are 4 banks supported for this Controller,
389  * but we have only 1 bank connected to flash on board
390  */
391 #define CONFIG_SYS_MAX_FLASH_BANKS      1
392
393 /* max number of sectors on one chip */
394 #define CONFIG_FLASH_SECTOR_SIZE        (0x10000*2*2)
395 #define CONFIG_ENV_SECT_SIZE            CONFIG_FLASH_SECTOR_SIZE
396 #define CONFIG_SYS_MAX_FLASH_SECT       128
397
398 /* environments */
399 #define CONFIG_ENV_IS_IN_FLASH
400 #define CONFIG_ENV_ADDR                 (CONFIG_SYS_MONITOR_BASE + 0x40000)
401 #define CONFIG_ENV_SIZE                 8192
402 #define CONFIG_ENV_OVERWRITE
403
404 #endif  /* __CONFIG_H */