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_SPI_BASE		XILINX_SPI_FLASH_BASEADDR
115 # define CONFIG_SPI			1
116 # define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
117 # define CONFIG_SF_DEFAULT_SPEED	XILINX_SPI_FLASH_MAX_FREQ
118 # define CONFIG_SF_DEFAULT_CS		XILINX_SPI_FLASH_CS
119 
120 # ifdef	RAMENV
121 #  define CONFIG_ENV_IS_NOWHERE	1
122 #  define CONFIG_ENV_SIZE	0x1000
123 #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
124 
125 # else	/* SPIFLASH && !RAMENV */
126 #  define CONFIG_ENV_IS_IN_SPI_FLASH	1
127 #  define CONFIG_ENV_SPI_MODE		SPI_MODE_3
128 #  define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
129 #  define CONFIG_ENV_SPI_CS		CONFIG_SF_DEFAULT_CS
130 /* 128K(two sectors) for env */
131 #  define CONFIG_ENV_SECT_SIZE	0x10000
132 #  define CONFIG_ENV_SIZE	(2 * CONFIG_ENV_SECT_SIZE)
133 /* Warning: adjust the offset in respect of other flash content and size */
134 #  define CONFIG_ENV_OFFSET	(128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
135 # endif /* SPIFLASH && !RAMBOOT */
136 #else /* !SPIFLASH */
137 
138 /* ENV in RAM */
139 # define CONFIG_ENV_IS_NOWHERE	1
140 # define CONFIG_ENV_SIZE	0x1000
141 # define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
142 #endif /* !SPIFLASH */
143 #endif /* !FLASH */
144 
145 #if defined(XILINX_USE_ICACHE)
146 # define CONFIG_ICACHE
147 #else
148 # undef CONFIG_ICACHE
149 #endif
150 
151 #if defined(XILINX_USE_DCACHE)
152 # define CONFIG_DCACHE
153 #else
154 # undef CONFIG_DCACHE
155 #endif
156 
157 #ifndef XILINX_DCACHE_BYTE_SIZE
158 #define XILINX_DCACHE_BYTE_SIZE	32768
159 #endif
160 
161 /*
162  * BOOTP options
163  */
164 #define CONFIG_BOOTP_BOOTFILESIZE
165 #define CONFIG_BOOTP_BOOTPATH
166 #define CONFIG_BOOTP_GATEWAY
167 #define CONFIG_BOOTP_HOSTNAME
168 
169 /*
170  * Command line configuration.
171  */
172 #define CONFIG_CMD_IRQ
173 #define CONFIG_CMD_MFSL
174 
175 #if defined(FLASH)
176 # define CONFIG_CMD_JFFS2
177 # undef CONFIG_CMD_UBIFS
178 
179 # if !defined(RAMENV)
180 #  define CONFIG_CMD_SAVES
181 # endif
182 
183 #else
184 #if defined(SPIFLASH)
185 
186 # if !defined(RAMENV)
187 #  define CONFIG_CMD_SAVES
188 # endif
189 #else
190 # undef CONFIG_CMD_JFFS2
191 # undef CONFIG_CMD_UBIFS
192 #endif
193 #endif
194 
195 #if defined(CONFIG_CMD_JFFS2)
196 # define CONFIG_MTD_PARTITIONS
197 #endif
198 
199 #if defined(CONFIG_CMD_UBIFS)
200 # define CONFIG_LZO
201 #endif
202 
203 #if defined(CONFIG_CMD_UBI)
204 # define CONFIG_MTD_PARTITIONS
205 # define CONFIG_RBTREE
206 #endif
207 
208 #if defined(CONFIG_MTD_PARTITIONS)
209 /* MTD partitions */
210 #define CONFIG_CMD_MTDPARTS	/* mtdparts command line support */
211 #define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
212 #define CONFIG_FLASH_CFI_MTD
213 #define MTDIDS_DEFAULT		"nor0=flash-0"
214 
215 /* default mtd partition table */
216 #define MTDPARTS_DEFAULT	"mtdparts=flash-0:256k(u-boot),"\
217 				"256k(env),3m(kernel),1m(romfs),"\
218 				"1m(cramfs),-(jffs2)"
219 #endif
220 
221 /* size of console buffer */
222 #define	CONFIG_SYS_CBSIZE	512
223  /* print buffer size */
224 #define	CONFIG_SYS_PBSIZE \
225 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
226 /* max number of command args */
227 #define	CONFIG_SYS_MAXARGS	15
228 #define	CONFIG_SYS_LONGHELP
229 /* default load address */
230 #define	CONFIG_SYS_LOAD_ADDR	0
231 
232 #define	CONFIG_BOOTARGS		"root=romfs"
233 #define	CONFIG_HOSTNAME		XILINX_BOARD_NAME
234 #define	CONFIG_BOOTCOMMAND	"base 0;tftp 11000000 image.img;bootm"
235 
236 /* architecture dependent code */
237 #define	CONFIG_SYS_USR_EXCEP	/* user exception */
238 
239 #define	CONFIG_PREBOOT	"echo U-BOOT for ${hostname};setenv preboot;echo"
240 
241 #ifndef CONFIG_EXTRA_ENV_SETTINGS
242 #define	CONFIG_EXTRA_ENV_SETTINGS	"unlock=yes\0" \
243 					"nor0=flash-0\0"\
244 					"mtdparts=mtdparts=flash-0:"\
245 					"256k(u-boot),256k(env),3m(kernel),"\
246 					"1m(romfs),1m(cramfs),-(jffs2)\0"\
247 					"nc=setenv stdout nc;"\
248 					"setenv stdin nc\0" \
249 					"serial=setenv stdout serial;"\
250 					"setenv stdin serial\0"
251 #endif
252 
253 #define CONFIG_CMDLINE_EDITING
254 
255 /* Enable flat device tree support */
256 #define CONFIG_LMB		1
257 
258 #if defined(CONFIG_XILINX_AXIEMAC)
259 # define CONFIG_MII		1
260 # define CONFIG_PHY_GIGE	1
261 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	1
262 # define CONFIG_PHY_ATHEROS	1
263 # define CONFIG_PHY_BROADCOM	1
264 # define CONFIG_PHY_DAVICOM	1
265 # define CONFIG_PHY_LXT		1
266 # define CONFIG_PHY_MARVELL	1
267 # define CONFIG_PHY_MICREL	1
268 # define CONFIG_PHY_MICREL_KSZ9021
269 # define CONFIG_PHY_NATSEMI	1
270 # define CONFIG_PHY_REALTEK	1
271 # define CONFIG_PHY_VITESSE	1
272 #else
273 # undef CONFIG_MII
274 #endif
275 
276 /* SPL part */
277 #define CONFIG_CMD_SPL
278 #define CONFIG_SPL_FRAMEWORK
279 #define CONFIG_SPL_BOARD_INIT
280 
281 #define CONFIG_SPL_LDSCRIPT	"arch/microblaze/cpu/u-boot-spl.lds"
282 
283 #ifdef CONFIG_SYS_FLASH_BASE
284 # define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_FLASH_BASE
285 #endif
286 
287 /* for booting directly linux */
288 
289 #define CONFIG_SYS_FDT_BASE		(CONFIG_SYS_FLASH_BASE + \
290 					 0x40000)
291 #define CONFIG_SYS_FDT_SIZE		(16<<10)
292 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_TEXT_BASE + \
293 					 0x1000000)
294 
295 /* SP location before relocation, must use scratch RAM */
296 /* BRAM start */
297 #define CONFIG_SYS_INIT_RAM_ADDR	0x0
298 /* BRAM size - will be generated */
299 #define CONFIG_SYS_INIT_RAM_SIZE	0x100000
300 
301 # define CONFIG_SPL_STACK_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
302 					 CONFIG_SYS_INIT_RAM_SIZE - \
303 					 CONFIG_SYS_MALLOC_F_LEN)
304 
305 /* Just for sure that there is a space for stack */
306 #define CONFIG_SPL_STACK_SIZE		0x100
307 
308 #define CONFIG_SYS_UBOOT_START		CONFIG_SYS_TEXT_BASE
309 
310 #define CONFIG_SPL_MAX_FOOTPRINT	(CONFIG_SYS_INIT_RAM_SIZE - \
311 					 CONFIG_SYS_INIT_RAM_ADDR - \
312 					 CONFIG_SYS_MALLOC_F_LEN - \
313 					 CONFIG_SPL_STACK_SIZE)
314 
315 #endif	/* __CONFIG_H */
316