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 #define CONFIG_BOARD_LATE_INIT
49 
50 /* watchdog */
51 #if defined(XILINX_WATCHDOG_BASEADDR) && defined(XILINX_WATCHDOG_IRQ)
52 # define CONFIG_WATCHDOG_BASEADDR	XILINX_WATCHDOG_BASEADDR
53 # define CONFIG_WATCHDOG_IRQ		XILINX_WATCHDOG_IRQ
54 # ifndef CONFIG_SPL_BUILD
55 #  define CONFIG_HW_WATCHDOG
56 #  define CONFIG_XILINX_TB_WATCHDOG
57 # endif
58 #endif
59 
60 #define CONFIG_SYS_MALLOC_LEN	0xC0000
61 
62 /* Stack location before relocation */
63 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_TEXT_BASE - \
64 					 CONFIG_SYS_MALLOC_F_LEN)
65 
66 /*
67  * CFI flash memory layout - Example
68  * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
69  * CONFIG_SYS_FLASH_SIZE = 0x0080_0000;	  8MB
70  *
71  * SECT_SIZE = 0x20000;			128kB is one sector
72  * CONFIG_ENV_SIZE = SECT_SIZE;		128kB environment store
73  *
74  * 0x2200_0000	CONFIG_SYS_FLASH_BASE
75  *					FREE		256kB
76  * 0x2204_0000	CONFIG_ENV_ADDR
77  *					ENV_AREA	128kB
78  * 0x2206_0000
79  *					FREE
80  * 0x2280_0000	CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
81  *
82  */
83 
84 #ifdef FLASH
85 # define CONFIG_SYS_FLASH_BASE		XILINX_FLASH_START
86 # define CONFIG_SYS_FLASH_SIZE		XILINX_FLASH_SIZE
87 # define CONFIG_SYS_FLASH_CFI		1
88 # define CONFIG_FLASH_CFI_DRIVER	1
89 /* ?empty sector */
90 # define CONFIG_SYS_FLASH_EMPTY_INFO	1
91 /* max number of memory banks */
92 # define CONFIG_SYS_MAX_FLASH_BANKS	1
93 /* max number of sectors on one chip */
94 # define CONFIG_SYS_MAX_FLASH_SECT	512
95 /* hardware flash protection */
96 # define CONFIG_SYS_FLASH_PROTECTION
97 /* use buffered writes (20x faster) */
98 # define	CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
99 # ifdef	RAMENV
100 #  define CONFIG_ENV_IS_NOWHERE	1
101 #  define CONFIG_ENV_SIZE	0x1000
102 #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
103 
104 # else	/* FLASH && !RAMENV */
105 #  define CONFIG_ENV_IS_IN_FLASH	1
106 /* 128K(one sector) for env */
107 #  define CONFIG_ENV_SECT_SIZE	0x20000
108 #  define CONFIG_ENV_ADDR \
109 			(CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
110 #  define CONFIG_ENV_SIZE	0x20000
111 # endif /* FLASH && !RAMBOOT */
112 #else /* !FLASH */
113 
114 #ifdef SPIFLASH
115 # define CONFIG_SYS_NO_FLASH		1
116 # define CONFIG_SYS_SPI_BASE		XILINX_SPI_FLASH_BASEADDR
117 # define CONFIG_SPI			1
118 # define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
119 # define CONFIG_SF_DEFAULT_SPEED	XILINX_SPI_FLASH_MAX_FREQ
120 # define CONFIG_SF_DEFAULT_CS		XILINX_SPI_FLASH_CS
121 
122 # ifdef	RAMENV
123 #  define CONFIG_ENV_IS_NOWHERE	1
124 #  define CONFIG_ENV_SIZE	0x1000
125 #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
126 
127 # else	/* SPIFLASH && !RAMENV */
128 #  define CONFIG_ENV_IS_IN_SPI_FLASH	1
129 #  define CONFIG_ENV_SPI_MODE		SPI_MODE_3
130 #  define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
131 #  define CONFIG_ENV_SPI_CS		CONFIG_SF_DEFAULT_CS
132 /* 128K(two sectors) for env */
133 #  define CONFIG_ENV_SECT_SIZE	0x10000
134 #  define CONFIG_ENV_SIZE	(2 * CONFIG_ENV_SECT_SIZE)
135 /* Warning: adjust the offset in respect of other flash content and size */
136 #  define CONFIG_ENV_OFFSET	(128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
137 # endif /* SPIFLASH && !RAMBOOT */
138 #else /* !SPIFLASH */
139 
140 /* ENV in RAM */
141 # define CONFIG_SYS_NO_FLASH	1
142 # define CONFIG_ENV_IS_NOWHERE	1
143 # define CONFIG_ENV_SIZE	0x1000
144 # define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
145 #endif /* !SPIFLASH */
146 #endif /* !FLASH */
147 
148 #if defined(XILINX_USE_ICACHE)
149 # define CONFIG_ICACHE
150 #else
151 # undef CONFIG_ICACHE
152 #endif
153 
154 #if defined(XILINX_USE_DCACHE)
155 # define CONFIG_DCACHE
156 #else
157 # undef CONFIG_DCACHE
158 #endif
159 
160 #ifndef XILINX_DCACHE_BYTE_SIZE
161 #define XILINX_DCACHE_BYTE_SIZE	32768
162 #endif
163 
164 /*
165  * BOOTP options
166  */
167 #define CONFIG_BOOTP_BOOTFILESIZE
168 #define CONFIG_BOOTP_BOOTPATH
169 #define CONFIG_BOOTP_GATEWAY
170 #define CONFIG_BOOTP_HOSTNAME
171 
172 /*
173  * Command line configuration.
174  */
175 #define CONFIG_CMD_IRQ
176 #define CONFIG_CMD_MFSL
177 
178 #if defined(FLASH)
179 # define CONFIG_CMD_JFFS2
180 # define CONFIG_CMD_UBI
181 # undef CONFIG_CMD_UBIFS
182 
183 # if !defined(RAMENV)
184 #  define CONFIG_CMD_SAVES
185 # endif
186 
187 #else
188 #if defined(SPIFLASH)
189 
190 # if !defined(RAMENV)
191 #  define CONFIG_CMD_SAVES
192 # endif
193 #else
194 # undef CONFIG_CMD_JFFS2
195 # undef CONFIG_CMD_UBI
196 # undef CONFIG_CMD_UBIFS
197 #endif
198 #endif
199 
200 #if defined(CONFIG_CMD_JFFS2)
201 # define CONFIG_MTD_PARTITIONS
202 #endif
203 
204 #if defined(CONFIG_CMD_UBIFS)
205 # define CONFIG_CMD_UBI
206 # define CONFIG_LZO
207 #endif
208 
209 #if defined(CONFIG_CMD_UBI)
210 # define CONFIG_MTD_PARTITIONS
211 # define CONFIG_RBTREE
212 #endif
213 
214 #if defined(CONFIG_MTD_PARTITIONS)
215 /* MTD partitions */
216 #define CONFIG_CMD_MTDPARTS	/* mtdparts command line support */
217 #define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
218 #define CONFIG_FLASH_CFI_MTD
219 #define MTDIDS_DEFAULT		"nor0=flash-0"
220 
221 /* default mtd partition table */
222 #define MTDPARTS_DEFAULT	"mtdparts=flash-0:256k(u-boot),"\
223 				"256k(env),3m(kernel),1m(romfs),"\
224 				"1m(cramfs),-(jffs2)"
225 #endif
226 
227 /* size of console buffer */
228 #define	CONFIG_SYS_CBSIZE	512
229  /* print buffer size */
230 #define	CONFIG_SYS_PBSIZE \
231 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
232 /* max number of command args */
233 #define	CONFIG_SYS_MAXARGS	15
234 #define	CONFIG_SYS_LONGHELP
235 /* default load address */
236 #define	CONFIG_SYS_LOAD_ADDR	0
237 
238 #define	CONFIG_BOOTARGS		"root=romfs"
239 #define	CONFIG_HOSTNAME		XILINX_BOARD_NAME
240 #define	CONFIG_BOOTCOMMAND	"base 0;tftp 11000000 image.img;bootm"
241 #define	CONFIG_IPADDR		192.168.0.3
242 #define	CONFIG_SERVERIP		192.168.0.5
243 #define	CONFIG_GATEWAYIP	192.168.0.1
244 
245 /* architecture dependent code */
246 #define	CONFIG_SYS_USR_EXCEP	/* user exception */
247 
248 #define	CONFIG_PREBOOT	"echo U-BOOT for ${hostname};setenv preboot;echo"
249 
250 #define	CONFIG_EXTRA_ENV_SETTINGS	"unlock=yes\0" \
251 					"nor0=flash-0\0"\
252 					"mtdparts=mtdparts=flash-0:"\
253 					"256k(u-boot),256k(env),3m(kernel),"\
254 					"1m(romfs),1m(cramfs),-(jffs2)\0"\
255 					"nc=setenv stdout nc;"\
256 					"setenv stdin nc\0" \
257 					"serial=setenv stdout serial;"\
258 					"setenv stdin serial\0"
259 
260 #define CONFIG_CMDLINE_EDITING
261 
262 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
263 
264 /* Enable flat device tree support */
265 #define CONFIG_LMB		1
266 
267 #if defined(CONFIG_XILINX_AXIEMAC)
268 # define CONFIG_MII		1
269 # define CONFIG_PHY_GIGE	1
270 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	1
271 # define CONFIG_PHY_ATHEROS	1
272 # define CONFIG_PHY_BROADCOM	1
273 # define CONFIG_PHY_DAVICOM	1
274 # define CONFIG_PHY_LXT		1
275 # define CONFIG_PHY_MARVELL	1
276 # define CONFIG_PHY_MICREL	1
277 # define CONFIG_PHY_MICREL_KSZ9021
278 # define CONFIG_PHY_NATSEMI	1
279 # define CONFIG_PHY_REALTEK	1
280 # define CONFIG_PHY_VITESSE	1
281 #else
282 # undef CONFIG_MII
283 #endif
284 
285 /* SPL part */
286 #define CONFIG_CMD_SPL
287 #define CONFIG_SPL_FRAMEWORK
288 #define CONFIG_SPL_LIBCOMMON_SUPPORT
289 #define CONFIG_SPL_LIBGENERIC_SUPPORT
290 #define CONFIG_SPL_SERIAL_SUPPORT
291 #define CONFIG_SPL_BOARD_INIT
292 
293 #define CONFIG_SPL_LDSCRIPT	"arch/microblaze/cpu/u-boot-spl.lds"
294 
295 #define CONFIG_SPL_RAM_DEVICE
296 #ifdef CONFIG_SYS_FLASH_BASE
297 # define CONFIG_SPL_NOR_SUPPORT
298 # define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_FLASH_BASE
299 #endif
300 
301 /* for booting directly linux */
302 #define CONFIG_SPL_OS_BOOT
303 
304 #define CONFIG_SYS_OS_BASE		(CONFIG_SYS_FLASH_BASE + \
305 					 0x60000)
306 #define CONFIG_SYS_FDT_BASE		(CONFIG_SYS_FLASH_BASE + \
307 					 0x40000)
308 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_TEXT_BASE + \
309 					 0x1000000)
310 
311 /* SP location before relocation, must use scratch RAM */
312 /* BRAM start */
313 #define CONFIG_SYS_INIT_RAM_ADDR	0x0
314 /* BRAM size - will be generated */
315 #define CONFIG_SYS_INIT_RAM_SIZE	0x100000
316 
317 # define CONFIG_SPL_STACK_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
318 					 CONFIG_SYS_INIT_RAM_SIZE - \
319 					 CONFIG_SYS_MALLOC_F_LEN)
320 
321 /* Just for sure that there is a space for stack */
322 #define CONFIG_SPL_STACK_SIZE		0x100
323 
324 #define CONFIG_SYS_UBOOT_START		CONFIG_SYS_TEXT_BASE
325 
326 #define CONFIG_SPL_MAX_FOOTPRINT	(CONFIG_SYS_INIT_RAM_SIZE - \
327 					 CONFIG_SYS_INIT_RAM_ADDR - \
328 					 CONFIG_SYS_MALLOC_F_LEN - \
329 					 CONFIG_SPL_STACK_SIZE)
330 
331 #endif	/* __CONFIG_H */
332