1 /*
2  * (C) Copyright 2007-2010 Michal Simek
3  *
4  * Michal SIMEK <monstr@monstr.eu>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #ifndef __CONFIG_H
10 #define __CONFIG_H
11 
12 #include "../board/xilinx/microblaze-generic/xparameters.h"
13 
14 /* MicroBlaze CPU */
15 #define	MICROBLAZE_V5		1
16 
17 /* linear and spi flash memory */
18 #ifdef XILINX_FLASH_START
19 #define	FLASH
20 #undef	SPIFLASH
21 #undef	RAMENV	/* hold environment in flash */
22 #else
23 #ifdef XILINX_SPI_FLASH_BASEADDR
24 #undef	FLASH
25 #define	SPIFLASH
26 #undef	RAMENV	/* hold environment in flash */
27 #else
28 #undef	FLASH
29 #undef	SPIFLASH
30 #define	RAMENV	/* hold environment in RAM */
31 #endif
32 #endif
33 
34 /* uart */
35 # define CONFIG_BAUDRATE	115200
36 /* The following table includes the supported baudrates */
37 # define CONFIG_SYS_BAUDRATE_TABLE \
38 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
39 
40 /* setting reset address */
41 /*#define	CONFIG_SYS_RESET_ADDRESS	CONFIG_SYS_TEXT_BASE*/
42 
43 /* gpio */
44 #ifdef XILINX_GPIO_BASEADDR
45 # define CONFIG_XILINX_GPIO
46 # define CONFIG_SYS_GPIO_0_ADDR		XILINX_GPIO_BASEADDR
47 #endif
48 
49 /* watchdog */
50 #if defined(XILINX_WATCHDOG_BASEADDR) && defined(XILINX_WATCHDOG_IRQ)
51 # define CONFIG_WATCHDOG_BASEADDR	XILINX_WATCHDOG_BASEADDR
52 # define CONFIG_WATCHDOG_IRQ		XILINX_WATCHDOG_IRQ
53 # ifndef CONFIG_SPL_BUILD
54 #  define CONFIG_HW_WATCHDOG
55 #  define CONFIG_XILINX_TB_WATCHDOG
56 # endif
57 #endif
58 
59 #define CONFIG_SYS_MALLOC_LEN	0xC0000
60 
61 /* Stack location before relocation */
62 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_TEXT_BASE - \
63 					 CONFIG_SYS_MALLOC_F_LEN)
64 
65 /*
66  * CFI flash memory layout - Example
67  * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
68  * CONFIG_SYS_FLASH_SIZE = 0x0080_0000;	  8MB
69  *
70  * SECT_SIZE = 0x20000;			128kB is one sector
71  * CONFIG_ENV_SIZE = SECT_SIZE;		128kB environment store
72  *
73  * 0x2200_0000	CONFIG_SYS_FLASH_BASE
74  *					FREE		256kB
75  * 0x2204_0000	CONFIG_ENV_ADDR
76  *					ENV_AREA	128kB
77  * 0x2206_0000
78  *					FREE
79  * 0x2280_0000	CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
80  *
81  */
82 
83 #ifdef FLASH
84 # define CONFIG_SYS_FLASH_BASE		XILINX_FLASH_START
85 # define CONFIG_SYS_FLASH_SIZE		XILINX_FLASH_SIZE
86 # define CONFIG_SYS_FLASH_CFI		1
87 # define CONFIG_FLASH_CFI_DRIVER	1
88 /* ?empty sector */
89 # define CONFIG_SYS_FLASH_EMPTY_INFO	1
90 /* max number of memory banks */
91 # define CONFIG_SYS_MAX_FLASH_BANKS	1
92 /* max number of sectors on one chip */
93 # define CONFIG_SYS_MAX_FLASH_SECT	512
94 /* hardware flash protection */
95 # define CONFIG_SYS_FLASH_PROTECTION
96 /* use buffered writes (20x faster) */
97 # define	CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
98 # ifdef	RAMENV
99 #  define CONFIG_ENV_IS_NOWHERE	1
100 #  define CONFIG_ENV_SIZE	0x1000
101 #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
102 
103 # else	/* FLASH && !RAMENV */
104 #  define CONFIG_ENV_IS_IN_FLASH	1
105 /* 128K(one sector) for env */
106 #  define CONFIG_ENV_SECT_SIZE	0x20000
107 #  define CONFIG_ENV_ADDR \
108 			(CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
109 #  define CONFIG_ENV_SIZE	0x20000
110 # endif /* FLASH && !RAMBOOT */
111 #else /* !FLASH */
112 
113 #ifdef SPIFLASH
114 # define CONFIG_SYS_NO_FLASH		1
115 # define CONFIG_SYS_SPI_BASE		XILINX_SPI_FLASH_BASEADDR
116 # define CONFIG_SPI			1
117 # define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
118 # define CONFIG_SF_DEFAULT_SPEED	XILINX_SPI_FLASH_MAX_FREQ
119 # define CONFIG_SF_DEFAULT_CS		XILINX_SPI_FLASH_CS
120 
121 # ifdef	RAMENV
122 #  define CONFIG_ENV_IS_NOWHERE	1
123 #  define CONFIG_ENV_SIZE	0x1000
124 #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
125 
126 # else	/* SPIFLASH && !RAMENV */
127 #  define CONFIG_ENV_IS_IN_SPI_FLASH	1
128 #  define CONFIG_ENV_SPI_MODE		SPI_MODE_3
129 #  define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
130 #  define CONFIG_ENV_SPI_CS		CONFIG_SF_DEFAULT_CS
131 /* 128K(two sectors) for env */
132 #  define CONFIG_ENV_SECT_SIZE	0x10000
133 #  define CONFIG_ENV_SIZE	(2 * CONFIG_ENV_SECT_SIZE)
134 /* Warning: adjust the offset in respect of other flash content and size */
135 #  define CONFIG_ENV_OFFSET	(128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
136 # endif /* SPIFLASH && !RAMBOOT */
137 #else /* !SPIFLASH */
138 
139 /* ENV in RAM */
140 # define CONFIG_SYS_NO_FLASH	1
141 # define CONFIG_ENV_IS_NOWHERE	1
142 # define CONFIG_ENV_SIZE	0x1000
143 # define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
144 #endif /* !SPIFLASH */
145 #endif /* !FLASH */
146 
147 #if defined(XILINX_USE_ICACHE)
148 # define CONFIG_ICACHE
149 #else
150 # undef CONFIG_ICACHE
151 #endif
152 
153 #if defined(XILINX_USE_DCACHE)
154 # define CONFIG_DCACHE
155 #else
156 # undef CONFIG_DCACHE
157 #endif
158 
159 #ifndef XILINX_DCACHE_BYTE_SIZE
160 #define XILINX_DCACHE_BYTE_SIZE	32768
161 #endif
162 
163 /*
164  * BOOTP options
165  */
166 #define CONFIG_BOOTP_BOOTFILESIZE
167 #define CONFIG_BOOTP_BOOTPATH
168 #define CONFIG_BOOTP_GATEWAY
169 #define CONFIG_BOOTP_HOSTNAME
170 
171 /*
172  * Command line configuration.
173  */
174 #define CONFIG_CMD_IRQ
175 #define CONFIG_CMD_MFSL
176 
177 #if defined(FLASH)
178 # define CONFIG_CMD_JFFS2
179 # undef CONFIG_CMD_UBIFS
180 
181 # if !defined(RAMENV)
182 #  define CONFIG_CMD_SAVES
183 # endif
184 
185 #else
186 #if defined(SPIFLASH)
187 
188 # if !defined(RAMENV)
189 #  define CONFIG_CMD_SAVES
190 # endif
191 #else
192 # undef CONFIG_CMD_JFFS2
193 # undef CONFIG_CMD_UBIFS
194 #endif
195 #endif
196 
197 #if defined(CONFIG_CMD_JFFS2)
198 # define CONFIG_MTD_PARTITIONS
199 #endif
200 
201 #if defined(CONFIG_CMD_UBIFS)
202 # define CONFIG_LZO
203 #endif
204 
205 #if defined(CONFIG_CMD_UBI)
206 # define CONFIG_MTD_PARTITIONS
207 # define CONFIG_RBTREE
208 #endif
209 
210 #if defined(CONFIG_MTD_PARTITIONS)
211 /* MTD partitions */
212 #define CONFIG_CMD_MTDPARTS	/* mtdparts command line support */
213 #define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
214 #define CONFIG_FLASH_CFI_MTD
215 #define MTDIDS_DEFAULT		"nor0=flash-0"
216 
217 /* default mtd partition table */
218 #define MTDPARTS_DEFAULT	"mtdparts=flash-0:256k(u-boot),"\
219 				"256k(env),3m(kernel),1m(romfs),"\
220 				"1m(cramfs),-(jffs2)"
221 #endif
222 
223 /* size of console buffer */
224 #define	CONFIG_SYS_CBSIZE	512
225  /* print buffer size */
226 #define	CONFIG_SYS_PBSIZE \
227 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
228 /* max number of command args */
229 #define	CONFIG_SYS_MAXARGS	15
230 #define	CONFIG_SYS_LONGHELP
231 /* default load address */
232 #define	CONFIG_SYS_LOAD_ADDR	0
233 
234 #define	CONFIG_BOOTARGS		"root=romfs"
235 #define	CONFIG_HOSTNAME		XILINX_BOARD_NAME
236 #define	CONFIG_BOOTCOMMAND	"base 0;tftp 11000000 image.img;bootm"
237 
238 /* architecture dependent code */
239 #define	CONFIG_SYS_USR_EXCEP	/* user exception */
240 
241 #define	CONFIG_PREBOOT	"echo U-BOOT for ${hostname};setenv preboot;echo"
242 
243 #ifndef CONFIG_EXTRA_ENV_SETTINGS
244 #define	CONFIG_EXTRA_ENV_SETTINGS	"unlock=yes\0" \
245 					"nor0=flash-0\0"\
246 					"mtdparts=mtdparts=flash-0:"\
247 					"256k(u-boot),256k(env),3m(kernel),"\
248 					"1m(romfs),1m(cramfs),-(jffs2)\0"\
249 					"nc=setenv stdout nc;"\
250 					"setenv stdin nc\0" \
251 					"serial=setenv stdout serial;"\
252 					"setenv stdin serial\0"
253 #endif
254 
255 #define CONFIG_CMDLINE_EDITING
256 
257 /* Enable flat device tree support */
258 #define CONFIG_LMB		1
259 
260 #if defined(CONFIG_XILINX_AXIEMAC)
261 # define CONFIG_MII		1
262 # define CONFIG_PHY_GIGE	1
263 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	1
264 # define CONFIG_PHY_ATHEROS	1
265 # define CONFIG_PHY_BROADCOM	1
266 # define CONFIG_PHY_DAVICOM	1
267 # define CONFIG_PHY_LXT		1
268 # define CONFIG_PHY_MARVELL	1
269 # define CONFIG_PHY_MICREL	1
270 # define CONFIG_PHY_MICREL_KSZ9021
271 # define CONFIG_PHY_NATSEMI	1
272 # define CONFIG_PHY_REALTEK	1
273 # define CONFIG_PHY_VITESSE	1
274 #else
275 # undef CONFIG_MII
276 #endif
277 
278 /* SPL part */
279 #define CONFIG_CMD_SPL
280 #define CONFIG_SPL_FRAMEWORK
281 #define CONFIG_SPL_BOARD_INIT
282 
283 #define CONFIG_SPL_LDSCRIPT	"arch/microblaze/cpu/u-boot-spl.lds"
284 
285 #ifdef CONFIG_SYS_FLASH_BASE
286 # define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_FLASH_BASE
287 #endif
288 
289 /* for booting directly linux */
290 
291 #define CONFIG_SYS_FDT_BASE		(CONFIG_SYS_FLASH_BASE + \
292 					 0x40000)
293 #define CONFIG_SYS_FDT_SIZE		(16<<10)
294 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_TEXT_BASE + \
295 					 0x1000000)
296 
297 /* SP location before relocation, must use scratch RAM */
298 /* BRAM start */
299 #define CONFIG_SYS_INIT_RAM_ADDR	0x0
300 /* BRAM size - will be generated */
301 #define CONFIG_SYS_INIT_RAM_SIZE	0x100000
302 
303 # define CONFIG_SPL_STACK_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
304 					 CONFIG_SYS_INIT_RAM_SIZE - \
305 					 CONFIG_SYS_MALLOC_F_LEN)
306 
307 /* Just for sure that there is a space for stack */
308 #define CONFIG_SPL_STACK_SIZE		0x100
309 
310 #define CONFIG_SYS_UBOOT_START		CONFIG_SYS_TEXT_BASE
311 
312 #define CONFIG_SPL_MAX_FOOTPRINT	(CONFIG_SYS_INIT_RAM_SIZE - \
313 					 CONFIG_SYS_INIT_RAM_ADDR - \
314 					 CONFIG_SYS_MALLOC_F_LEN - \
315 					 CONFIG_SPL_STACK_SIZE)
316 
317 #endif	/* __CONFIG_H */
318