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