1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2011 Andes Technology Corporation
4  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
5  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
6  */
7 
8 #ifndef __CONFIG_H
9 #define __CONFIG_H
10 
11 #include <asm/arch-ag101/ag101.h>
12 
13 /*
14  * CPU and Board Configuration Options
15  */
16 #define CONFIG_USE_INTERRUPT
17 
18 #define CONFIG_SKIP_LOWLEVEL_INIT
19 
20 #define CONFIG_ARCH_MAP_SYSMEM
21 
22 #define CONFIG_BOOTP_SERVERIP
23 
24 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
25 #define CONFIG_MEM_REMAP
26 #endif
27 
28 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
29 #ifdef CONFIG_OF_CONTROL
30 #undef CONFIG_OF_SEPARATE
31 #define CONFIG_OF_EMBED
32 #endif
33 #endif
34 
35 /*
36  * Timer
37  */
38 #define CONFIG_SYS_CLK_FREQ	39062500
39 #define VERSION_CLOCK		CONFIG_SYS_CLK_FREQ
40 
41 /*
42  * Use Externel CLOCK or PCLK
43  */
44 #undef CONFIG_FTRTC010_EXTCLK
45 
46 #ifndef CONFIG_FTRTC010_EXTCLK
47 #define CONFIG_FTRTC010_PCLK
48 #endif
49 
50 #ifdef CONFIG_FTRTC010_EXTCLK
51 #define TIMER_CLOCK	32768			/* CONFIG_FTRTC010_EXTCLK */
52 #else
53 #define TIMER_CLOCK	CONFIG_SYS_HZ		/* CONFIG_FTRTC010_PCLK */
54 #endif
55 
56 #define TIMER_LOAD_VAL	0xffffffff
57 
58 /*
59  * Real Time Clock
60  */
61 #define CONFIG_RTC_FTRTC010
62 
63 /*
64  * Real Time Clock Divider
65  * RTC_DIV_COUNT			(OSC_CLK/OSC_5MHZ)
66  */
67 #define OSC_5MHZ			(5*1000000)
68 #define OSC_CLK				(4*OSC_5MHZ)
69 #define RTC_DIV_COUNT			(0.5)	/* Why?? */
70 
71 /*
72  * Serial console configuration
73  */
74 
75 /* FTUART is a high speed NS 16C550A compatible UART, addr: 0x99600000 */
76 #define CONFIG_SYS_NS16550_SERIAL
77 #define CONFIG_SYS_NS16550_COM1		CONFIG_FTUART010_02_BASE
78 #ifndef CONFIG_DM_SERIAL
79 #define CONFIG_SYS_NS16550_REG_SIZE	-4
80 #endif
81 #define CONFIG_SYS_NS16550_CLK		((18432000 * 20) / 25)	/* AG101P */
82 
83 /*
84  * Miscellaneous configurable options
85  */
86 
87 /*
88  * Size of malloc() pool
89  */
90 /* 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough */
91 #define CONFIG_SYS_MALLOC_LEN		(512 << 10)
92 
93 /*
94  * AHB Controller configuration
95  */
96 #define CONFIG_FTAHBC020S
97 
98 #ifdef CONFIG_FTAHBC020S
99 #include <faraday/ftahbc020s.h>
100 
101 /* Address of PHYS_SDRAM_0 before memory remap is at 0x(100)00000 */
102 #define CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE	0x100
103 
104 /*
105  * CONFIG_SYS_FTAHBC020S_SLAVE_BSR_6: this define is used in lowlevel_init.S,
106  * hence we cannot use FTAHBC020S_BSR_SIZE(2048) since it will use ffs() wrote
107  * in C language.
108  */
109 #define CONFIG_SYS_FTAHBC020S_SLAVE_BSR_6 \
110 	(FTAHBC020S_SLAVE_BSR_BASE(CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE) | \
111 					FTAHBC020S_SLAVE_BSR_SIZE(0xb))
112 #endif
113 
114 /*
115  * Watchdog
116  */
117 #define CONFIG_FTWDT010_WATCHDOG
118 
119 /*
120  * PMU Power controller configuration
121  */
122 #define CONFIG_PMU
123 #define CONFIG_FTPMU010_POWER
124 
125 #ifdef CONFIG_FTPMU010_POWER
126 #include <faraday/ftpmu010.h>
127 #define CONFIG_SYS_FTPMU010_PDLLCR0_HCLKOUTDIS		0x0E
128 #define CONFIG_SYS_FTPMU010_SDRAMHTC	(FTPMU010_SDRAMHTC_EBICTRL_DCSR  | \
129 					 FTPMU010_SDRAMHTC_EBIDATA_DCSR  | \
130 					 FTPMU010_SDRAMHTC_SDRAMCS_DCSR  | \
131 					 FTPMU010_SDRAMHTC_SDRAMCTL_DCSR | \
132 					 FTPMU010_SDRAMHTC_CKE_DCSR	 | \
133 					 FTPMU010_SDRAMHTC_DQM_DCSR	 | \
134 					 FTPMU010_SDRAMHTC_SDCLK_DCSR)
135 #endif
136 
137 /*
138  * SDRAM controller configuration
139  */
140 #define CONFIG_FTSDMC021
141 
142 #ifdef CONFIG_FTSDMC021
143 #include <faraday/ftsdmc021.h>
144 
145 #define CONFIG_SYS_FTSDMC021_TP1	(FTSDMC021_TP1_TRAS(2)	|	\
146 					 FTSDMC021_TP1_TRP(1)	|	\
147 					 FTSDMC021_TP1_TRCD(1)	|	\
148 					 FTSDMC021_TP1_TRF(3)	|	\
149 					 FTSDMC021_TP1_TWR(1)	|	\
150 					 FTSDMC021_TP1_TCL(2))
151 
152 #define CONFIG_SYS_FTSDMC021_TP2	(FTSDMC021_TP2_INI_PREC(4) |	\
153 					 FTSDMC021_TP2_INI_REFT(8) |	\
154 					 FTSDMC021_TP2_REF_INTV(0x180))
155 
156 /*
157  * CONFIG_SYS_FTSDMC021_CR1: this define is used in lowlevel_init.S,
158  * hence we cannot use FTSDMC021_BANK_SIZE(64) since it will use ffs() wrote in
159  * C language.
160  */
161 #define CONFIG_SYS_FTSDMC021_CR1	(FTSDMC021_CR1_DDW(2)	 |	\
162 					 FTSDMC021_CR1_DSZ(3)	 |	\
163 					 FTSDMC021_CR1_MBW(2)	 |	\
164 					 FTSDMC021_CR1_BNKSIZE(6))
165 
166 #define CONFIG_SYS_FTSDMC021_CR2	(FTSDMC021_CR2_IPREC	 |	\
167 					 FTSDMC021_CR2_IREF	 |	\
168 					 FTSDMC021_CR2_ISMR)
169 
170 #define CONFIG_SYS_FTSDMC021_BANK0_BASE	CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE
171 #define CONFIG_SYS_FTSDMC021_BANK0_BSR	(FTSDMC021_BANK_ENABLE	 |	\
172 					 CONFIG_SYS_FTSDMC021_BANK0_BASE)
173 
174 #define CONFIG_SYS_FTSDMC021_BANK1_BASE	\
175 	(CONFIG_SYS_FTAHBC020S_SLAVE_BSR_BASE + (PHYS_SDRAM_0_SIZE >> 20))
176 #define CONFIG_SYS_FTSDMC021_BANK1_BSR	(FTSDMC021_BANK_ENABLE	 |	\
177 					 CONFIG_SYS_FTSDMC021_BANK1_BASE)
178 #endif
179 
180 /*
181  * Physical Memory Map
182  */
183 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
184 #define PHYS_SDRAM_0	0x00000000  /* SDRAM Bank #1 */
185 #else
186 #ifdef CONFIG_MEM_REMAP
187 #define PHYS_SDRAM_0	0x00000000	/* SDRAM Bank #1 */
188 #else
189 #define PHYS_SDRAM_0	0x80000000	/* SDRAM Bank #1 */
190 #endif
191 #endif
192 
193 #define PHYS_SDRAM_1 \
194 	(PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)	/* SDRAM Bank #2 */
195 
196 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
197 #define PHYS_SDRAM_0_SIZE	0x20000000	/* 512 MB */
198 #define PHYS_SDRAM_1_SIZE	0x20000000	/* 512 MB */
199 #else
200 #ifdef CONFIG_MEM_REMAP
201 #define PHYS_SDRAM_0_SIZE	0x20000000	/* 512 MB */
202 #define PHYS_SDRAM_1_SIZE	0x20000000	/* 512 MB */
203 #else
204 #define PHYS_SDRAM_0_SIZE	0x08000000	/* 128 MB */
205 #define PHYS_SDRAM_1_SIZE	0x08000000	/* 128 MB */
206 #endif
207 #endif
208 
209 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_0
210 
211 #ifdef CONFIG_MEM_REMAP
212 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + 0xA0000 - \
213 					GENERATED_GBL_DATA_SIZE)
214 #else
215 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x1000 - \
216 					GENERATED_GBL_DATA_SIZE)
217 #endif /* CONFIG_MEM_REMAP */
218 
219 /*
220  * Load address and memory test area should agree with
221  * arch/nds32/config.mk. Be careful not to overwrite U-Boot itself.
222  */
223 #define CONFIG_SYS_LOAD_ADDR		0x300000
224 
225 /* memtest works on 63 MB in DRAM */
226 
227 /*
228  * Static memory controller configuration
229  */
230 #define CONFIG_FTSMC020
231 
232 #ifdef CONFIG_FTSMC020
233 #include <faraday/ftsmc020.h>
234 
235 #define CONFIG_SYS_FTSMC020_CONFIGS	{			\
236 	{ FTSMC020_BANK0_CONFIG, FTSMC020_BANK0_TIMING, },	\
237 	{ FTSMC020_BANK1_CONFIG, FTSMC020_BANK1_TIMING, },	\
238 }
239 
240 #ifndef CONFIG_SKIP_LOWLEVEL_INIT	/* FLASH is on BANK 0 */
241 #define FTSMC020_BANK0_LOWLV_CONFIG	(FTSMC020_BANK_ENABLE	|	\
242 					 FTSMC020_BANK_SIZE_32M	|	\
243 					 FTSMC020_BANK_MBW_32)
244 
245 #define FTSMC020_BANK0_LOWLV_TIMING	(FTSMC020_TPR_RBE	|	\
246 					 FTSMC020_TPR_AST(1)	|	\
247 					 FTSMC020_TPR_CTW(1)	|	\
248 					 FTSMC020_TPR_ATI(1)	|	\
249 					 FTSMC020_TPR_AT2(1)	|	\
250 					 FTSMC020_TPR_WTC(1)	|	\
251 					 FTSMC020_TPR_AHT(1)	|	\
252 					 FTSMC020_TPR_TRNA(1))
253 #endif
254 
255 /*
256  * FLASH on ADP_AG101P is connected to BANK0
257  * Just disalbe the other BANK to avoid detection error.
258  */
259 #define FTSMC020_BANK0_CONFIG	(FTSMC020_BANK_ENABLE             |	\
260 				 FTSMC020_BANK_BASE(PHYS_FLASH_1) |	\
261 				 FTSMC020_BANK_SIZE_32M           |	\
262 				 FTSMC020_BANK_MBW_32)
263 
264 #define FTSMC020_BANK0_TIMING	(FTSMC020_TPR_AST(3)   |	\
265 				 FTSMC020_TPR_CTW(3)   |	\
266 				 FTSMC020_TPR_ATI(0xf) |	\
267 				 FTSMC020_TPR_AT2(3)   |	\
268 				 FTSMC020_TPR_WTC(3)   |	\
269 				 FTSMC020_TPR_AHT(3)   |	\
270 				 FTSMC020_TPR_TRNA(0xf))
271 
272 #define FTSMC020_BANK1_CONFIG	(0x00)
273 #define FTSMC020_BANK1_TIMING	(0x00)
274 #endif /* CONFIG_FTSMC020 */
275 
276 /*
277  * FLASH and environment organization
278  */
279 /* use CFI framework */
280 
281 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
282 #define CONFIG_SYS_CFI_FLASH_STATUS_POLL
283 
284 /* support JEDEC */
285 
286 /* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
287 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
288 #define PHYS_FLASH_1			0x80000000	/* BANK 0 */
289 #else
290 #ifdef CONFIG_MEM_REMAP
291 #define PHYS_FLASH_1			0x80000000	/* BANK 0 */
292 #else
293 #define PHYS_FLASH_1			0x00000000	/* BANK 0 */
294 #endif
295 #endif	/* CONFIG_MEM_REMAP */
296 
297 #define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
298 #define CONFIG_SYS_FLASH_BANKS_LIST	{ PHYS_FLASH_1, }
299 #define CONFIG_SYS_MONITOR_BASE		PHYS_FLASH_1
300 
301 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* TO for Flash Erase (ms) */
302 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* TO for Flash Write (ms) */
303 
304 /* max number of memory banks */
305 /*
306  * There are 4 banks supported for this Controller,
307  * but we have only 1 bank connected to flash on board
308  */
309 #ifndef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
310 #define CONFIG_SYS_MAX_FLASH_BANKS	1
311 #endif
312 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
313 
314 /* max number of sectors on one chip */
315 #define CONFIG_FLASH_SECTOR_SIZE	(0x10000*2)
316 #define CONFIG_SYS_MAX_FLASH_SECT	512
317 
318 /* environments */
319 
320 /*
321  * For booting Linux, the board info and command line data
322  * have to be in the first 16 MB of memory, since this is
323  * the maximum mapped by the Linux kernel during initialization.
324  */
325 
326 /* Initial Memory map for Linux*/
327 #define CONFIG_SYS_BOOTMAPSZ	(64 << 20)
328 /* Increase max gunzip size */
329 #define CONFIG_SYS_BOOTM_LEN	(64 << 20)
330 
331 #endif	/* __CONFIG_H */
332