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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_AG101P
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 39062500
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 (4*OSC_5MHZ)
88 #define RTC_DIV_COUNT (0.5) /* Why?? */
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 ((18432000 * 20) / 25) /* AG101P */
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_TRAS(2) | \
211 FTSDMC021_TP1_TRP(1) | \
212 FTSDMC021_TP1_TRCD(1) | \
213 FTSDMC021_TP1_TRF(3) | \
214 FTSDMC021_TP1_TWR(1) | \
215 FTSDMC021_TP1_TCL(2))
216
217 #define CONFIG_SYS_FTSDMC021_TP2 (FTSDMC021_TP2_INI_PREC(4) | \
218 FTSDMC021_TP2_INI_REFT(8) | \
219 FTSDMC021_TP2_REF_INTV(0x180))
220
221 /*
222 * CONFIG_SYS_FTSDMC021_CR1: this define is used in lowlevel_init.S,
223 * hence we cannot use FTSDMC021_BANK_SIZE(64) since it will use ffs() wrote in
224 * C language.
225 */
226 #define CONFIG_SYS_FTSDMC021_CR1 (FTSDMC021_CR1_DDW(2) | \
227 FTSDMC021_CR1_DSZ(3) | \
228 FTSDMC021_CR1_MBW(2) | \
229 FTSDMC021_CR1_BNKSIZE(6))
230
231 #define CONFIG_SYS_FTSDMC021_CR2 (FTSDMC021_CR2_IPREC | \
232 FTSDMC021_CR2_IREF | \
233 FTSDMC021_CR2_ISMR)
234
235 #define CONFIG_SYS_FTSDMC021_BANK0_BASE CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE
236 #define CONFIG_SYS_FTSDMC021_BANK0_BSR (FTSDMC021_BANK_ENABLE | \
237 CONFIG_SYS_FTSDMC021_BANK0_BASE)
238
239 #define CONFIG_SYS_FTSDMC021_BANK1_BASE \
240 (CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE + (PHYS_SDRAM_0_SIZE >> 20))
241 #define CONFIG_SYS_FTSDMC021_BANK1_BSR (FTSDMC021_BANK_ENABLE | \
242 CONFIG_SYS_FTSDMC021_BANK1_BASE)
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 #define CONFIG_SYS_FTSMC020_CONFIGS { \
292 { FTSMC020_BANK0_CONFIG, FTSMC020_BANK0_TIMING, }, \
293 { FTSMC020_BANK1_CONFIG, FTSMC020_BANK1_TIMING, }, \
294 }
295
296 #ifndef CONFIG_SKIP_LOWLEVEL_INIT /* FLASH is on BANK 0 */
297 #define FTSMC020_BANK0_LOWLV_CONFIG (FTSMC020_BANK_ENABLE | \
298 FTSMC020_BANK_SIZE_32M | \
299 FTSMC020_BANK_MBW_32)
300
301 #define FTSMC020_BANK0_LOWLV_TIMING (FTSMC020_TPR_RBE | \
302 FTSMC020_TPR_AST(1) | \
303 FTSMC020_TPR_CTW(1) | \
304 FTSMC020_TPR_ATI(1) | \
305 FTSMC020_TPR_AT2(1) | \
306 FTSMC020_TPR_WTC(1) | \
307 FTSMC020_TPR_AHT(1) | \
308 FTSMC020_TPR_TRNA(1))
309 #endif
310
311 /*
312 * FLASH on ADP_AG101P is connected to BANK0
313 * Just disalbe the other BANK to avoid detection error.
314 */
315 #define FTSMC020_BANK0_CONFIG (FTSMC020_BANK_ENABLE | \
316 FTSMC020_BANK_BASE(PHYS_FLASH_1) | \
317 FTSMC020_BANK_SIZE_32M | \
318 FTSMC020_BANK_MBW_32)
319
320 #define FTSMC020_BANK0_TIMING (FTSMC020_TPR_AST(3) | \
321 FTSMC020_TPR_CTW(3) | \
322 FTSMC020_TPR_ATI(0xf) | \
323 FTSMC020_TPR_AT2(3) | \
324 FTSMC020_TPR_WTC(3) | \
325 FTSMC020_TPR_AHT(3) | \
326 FTSMC020_TPR_TRNA(0xf))
327
328 #define FTSMC020_BANK1_CONFIG (0x00)
329 #define FTSMC020_BANK1_TIMING (0x00)
330 #endif /* CONFIG_FTSMC020 */
331
332 /*
333 * FLASH and environment organization
334 */
335 /* use CFI framework */
336 #define CONFIG_SYS_FLASH_CFI
337 #define CONFIG_FLASH_CFI_DRIVER
338
339 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
340 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
341
342 /* support JEDEC */
343
344 /* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
345 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
346 #define PHYS_FLASH_1 0x80400000 /* BANK 1 */
347 #else /* !CONFIG_SKIP_LOWLEVEL_INIT */
348 #ifdef CONFIG_MEM_REMAP
349 #define PHYS_FLASH_1 0x80000000 /* BANK 0 */
350 #else
351 #define PHYS_FLASH_1 0x00000000 /* BANK 0 */
352 #endif /* CONFIG_MEM_REMAP */
353 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
354
355 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
356 #define CONFIG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1, }
357 #define CONFIG_SYS_MONITOR_BASE PHYS_FLASH_1
358
359 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* TO for Flash Erase (ms) */
360 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* TO for Flash Write (ms) */
361
362 /* max number of memory banks */
363 /*
364 * There are 4 banks supported for this Controller,
365 * but we have only 1 bank connected to flash on board
366 */
367 #define CONFIG_SYS_MAX_FLASH_BANKS 1
368
369 /* max number of sectors on one chip */
370 #define CONFIG_FLASH_SECTOR_SIZE (0x10000*2*2)
371 #define CONFIG_ENV_SECT_SIZE CONFIG_FLASH_SECTOR_SIZE
372 #define CONFIG_SYS_MAX_FLASH_SECT 128
373
374 /* environments */
375 #define CONFIG_ENV_IS_IN_FLASH
376 #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + 0x140000)
377 #define CONFIG_ENV_SIZE 8192
378 #define CONFIG_ENV_OVERWRITE
379
380 #endif /* __CONFIG_H */