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 /* The following table includes the supported baudrates */
36 # define CONFIG_SYS_BAUDRATE_TABLE \
37 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
38 
39 /* setting reset address */
40 /*#define	CONFIG_SYS_RESET_ADDRESS	CONFIG_SYS_TEXT_BASE*/
41 
42 /* gpio */
43 #ifdef XILINX_GPIO_BASEADDR
44 # define CONFIG_SYS_GPIO_0_ADDR		XILINX_GPIO_BASEADDR
45 #endif
46 
47 /* watchdog */
48 #if defined(XILINX_WATCHDOG_BASEADDR) && defined(XILINX_WATCHDOG_IRQ)
49 # define CONFIG_WATCHDOG_BASEADDR	XILINX_WATCHDOG_BASEADDR
50 # define CONFIG_WATCHDOG_IRQ		XILINX_WATCHDOG_IRQ
51 # ifndef CONFIG_SPL_BUILD
52 #  define CONFIG_HW_WATCHDOG
53 #  define CONFIG_XILINX_TB_WATCHDOG
54 # endif
55 #endif
56 
57 #define CONFIG_SYS_MALLOC_LEN	0xC0000
58 
59 /* Stack location before relocation */
60 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_TEXT_BASE - \
61 					 CONFIG_SYS_MALLOC_F_LEN)
62 
63 /*
64  * CFI flash memory layout - Example
65  * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
66  * CONFIG_SYS_FLASH_SIZE = 0x0080_0000;	  8MB
67  *
68  * SECT_SIZE = 0x20000;			128kB is one sector
69  * CONFIG_ENV_SIZE = SECT_SIZE;		128kB environment store
70  *
71  * 0x2200_0000	CONFIG_SYS_FLASH_BASE
72  *					FREE		256kB
73  * 0x2204_0000	CONFIG_ENV_ADDR
74  *					ENV_AREA	128kB
75  * 0x2206_0000
76  *					FREE
77  * 0x2280_0000	CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
78  *
79  */
80 
81 #ifdef FLASH
82 # define CONFIG_SYS_FLASH_BASE		XILINX_FLASH_START
83 # define CONFIG_SYS_FLASH_SIZE		XILINX_FLASH_SIZE
84 # define CONFIG_SYS_FLASH_CFI		1
85 # define CONFIG_FLASH_CFI_DRIVER	1
86 /* ?empty sector */
87 # define CONFIG_SYS_FLASH_EMPTY_INFO	1
88 /* max number of memory banks */
89 # define CONFIG_SYS_MAX_FLASH_BANKS	1
90 /* max number of sectors on one chip */
91 # define CONFIG_SYS_MAX_FLASH_SECT	512
92 /* hardware flash protection */
93 # define CONFIG_SYS_FLASH_PROTECTION
94 /* use buffered writes (20x faster) */
95 # define	CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
96 # ifdef	RAMENV
97 #  define CONFIG_ENV_SIZE	0x1000
98 #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
99 
100 # else	/* FLASH && !RAMENV */
101 /* 128K(one sector) for env */
102 #  define CONFIG_ENV_SECT_SIZE	0x20000
103 #  define CONFIG_ENV_ADDR \
104 			(CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
105 #  define CONFIG_ENV_SIZE	0x20000
106 # endif /* FLASH && !RAMBOOT */
107 #else /* !FLASH */
108 
109 #ifdef SPIFLASH
110 # define CONFIG_SYS_SPI_BASE		XILINX_SPI_FLASH_BASEADDR
111 # define CONFIG_SPI			1
112 # define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
113 # define CONFIG_SF_DEFAULT_SPEED	XILINX_SPI_FLASH_MAX_FREQ
114 # define CONFIG_SF_DEFAULT_CS		XILINX_SPI_FLASH_CS
115 
116 # ifdef	RAMENV
117 #  define CONFIG_ENV_SIZE	0x1000
118 #  define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
119 
120 # else	/* SPIFLASH && !RAMENV */
121 #  define CONFIG_ENV_SPI_MODE		SPI_MODE_3
122 #  define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
123 #  define CONFIG_ENV_SPI_CS		CONFIG_SF_DEFAULT_CS
124 /* 128K(two sectors) for env */
125 #  define CONFIG_ENV_SECT_SIZE	0x10000
126 #  define CONFIG_ENV_SIZE	(2 * CONFIG_ENV_SECT_SIZE)
127 /* Warning: adjust the offset in respect of other flash content and size */
128 #  define CONFIG_ENV_OFFSET	(128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
129 # endif /* SPIFLASH && !RAMBOOT */
130 #else /* !SPIFLASH */
131 
132 /* ENV in RAM */
133 # define CONFIG_ENV_SIZE	0x1000
134 # define CONFIG_ENV_ADDR	(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
135 #endif /* !SPIFLASH */
136 #endif /* !FLASH */
137 
138 #if defined(XILINX_USE_ICACHE)
139 # define CONFIG_ICACHE
140 #else
141 # undef CONFIG_ICACHE
142 #endif
143 
144 #if defined(XILINX_USE_DCACHE)
145 # define CONFIG_DCACHE
146 #else
147 # undef CONFIG_DCACHE
148 #endif
149 
150 #ifndef XILINX_DCACHE_BYTE_SIZE
151 #define XILINX_DCACHE_BYTE_SIZE	32768
152 #endif
153 
154 /*
155  * BOOTP options
156  */
157 #define CONFIG_BOOTP_BOOTFILESIZE
158 
159 #if defined(CONFIG_CMD_JFFS2)
160 # define CONFIG_MTD_PARTITIONS
161 #endif
162 
163 #if defined(CONFIG_CMD_UBI)
164 # define CONFIG_MTD_PARTITIONS
165 #endif
166 
167 #if defined(CONFIG_MTD_PARTITIONS)
168 /* MTD partitions */
169 #define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
170 #define CONFIG_FLASH_CFI_MTD
171 
172 /* default mtd partition table */
173 #endif
174 
175 /* size of console buffer */
176 #define	CONFIG_SYS_CBSIZE	512
177 /* max number of command args */
178 #define	CONFIG_SYS_MAXARGS	15
179 /* default load address */
180 #define	CONFIG_SYS_LOAD_ADDR	0
181 
182 #define	CONFIG_HOSTNAME		XILINX_BOARD_NAME
183 #define	CONFIG_BOOTCOMMAND	"base 0;tftp 11000000 image.img;bootm"
184 
185 /* architecture dependent code */
186 #define	CONFIG_SYS_USR_EXCEP	/* user exception */
187 
188 #define	CONFIG_PREBOOT	"echo U-BOOT for ${hostname};setenv preboot;echo"
189 
190 #ifndef CONFIG_EXTRA_ENV_SETTINGS
191 #define	CONFIG_EXTRA_ENV_SETTINGS	"unlock=yes\0" \
192 					"nor0=flash-0\0"\
193 					"mtdparts=mtdparts=flash-0:"\
194 					"256k(u-boot),256k(env),3m(kernel),"\
195 					"1m(romfs),1m(cramfs),-(jffs2)\0"\
196 					"nc=setenv stdout nc;"\
197 					"setenv stdin nc\0" \
198 					"serial=setenv stdout serial;"\
199 					"setenv stdin serial\0"
200 #endif
201 
202 /* Enable flat device tree support */
203 #define CONFIG_LMB		1
204 
205 #if defined(CONFIG_XILINX_AXIEMAC)
206 # define CONFIG_MII		1
207 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN	1
208 #else
209 # undef CONFIG_MII
210 #endif
211 
212 /* SPL part */
213 
214 #ifdef CONFIG_SYS_FLASH_BASE
215 # define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_FLASH_BASE
216 #endif
217 
218 /* for booting directly linux */
219 
220 #define CONFIG_SYS_FDT_BASE		(CONFIG_SYS_FLASH_BASE + \
221 					 0x40000)
222 #define CONFIG_SYS_FDT_SIZE		(16<<10)
223 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_TEXT_BASE + \
224 					 0x1000000)
225 
226 /* SP location before relocation, must use scratch RAM */
227 /* BRAM start */
228 #define CONFIG_SYS_INIT_RAM_ADDR	0x0
229 /* BRAM size - will be generated */
230 #define CONFIG_SYS_INIT_RAM_SIZE	0x100000
231 
232 # define CONFIG_SPL_STACK_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
233 					 CONFIG_SYS_INIT_RAM_SIZE - \
234 					 CONFIG_SYS_MALLOC_F_LEN)
235 
236 /* Just for sure that there is a space for stack */
237 #define CONFIG_SPL_STACK_SIZE		0x100
238 
239 #define CONFIG_SYS_UBOOT_START		CONFIG_SYS_TEXT_BASE
240 
241 #define CONFIG_SPL_MAX_FOOTPRINT	(CONFIG_SYS_INIT_RAM_SIZE - \
242 					 CONFIG_SYS_INIT_RAM_ADDR - \
243 					 CONFIG_SYS_MALLOC_F_LEN - \
244 					 CONFIG_SPL_STACK_SIZE)
245 
246 #endif	/* __CONFIG_H */
247