1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2007-2010 Michal Simek
5 * Michal SIMEK <monstr@monstr.eu>
11 #include "../board/xilinx/microblaze-generic/xparameters.h"
14 #define MICROBLAZE_V5 1
16 /* linear and spi flash memory */
17 #ifdef XILINX_FLASH_START
20 #undef RAMENV /* hold environment in flash */
24 #define RAMENV /* hold environment in RAM */
28 /* The following table includes the supported baudrates */
29 # define CONFIG_SYS_BAUDRATE_TABLE \
30 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
32 /* setting reset address */
33 /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/
35 #define CONFIG_SYS_MALLOC_LEN 0xC0000
37 /* Stack location before relocation */
38 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \
39 CONFIG_SYS_MALLOC_F_LEN)
42 * CFI flash memory layout - Example
43 * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
44 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB
46 * SECT_SIZE = 0x20000; 128kB is one sector
47 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store
49 * 0x2200_0000 CONFIG_SYS_FLASH_BASE
51 * 0x2204_0000 CONFIG_ENV_ADDR
55 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
60 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START
61 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE
63 # define CONFIG_SYS_FLASH_EMPTY_INFO 1
64 /* max number of memory banks */
65 # define CONFIG_SYS_MAX_FLASH_BANKS 1
66 /* max number of sectors on one chip */
67 # define CONFIG_SYS_MAX_FLASH_SECT 512
68 /* hardware flash protection */
69 /* use buffered writes (20x faster) */
71 # define CONFIG_ENV_SIZE 0x1000
72 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
74 # else /* FLASH && !RAMENV */
75 /* 128K(one sector) for env */
76 # define CONFIG_ENV_SECT_SIZE 0x20000
77 # define CONFIG_ENV_ADDR \
78 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
79 # define CONFIG_ENV_SIZE 0x20000
80 # endif /* FLASH && !RAMBOOT */
85 # define CONFIG_ENV_SIZE 0x1000
86 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
88 # else /* SPIFLASH && !RAMENV */
89 /* 128K(two sectors) for env */
90 # define CONFIG_ENV_SECT_SIZE 0x10000
91 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE)
92 /* Warning: adjust the offset in respect of other flash content and size */
93 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
94 # endif /* SPIFLASH && !RAMBOOT */
98 # define CONFIG_ENV_SIZE 0x1000
99 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
100 #endif /* !SPIFLASH */
103 #if defined(XILINX_USE_ICACHE)
104 # define CONFIG_ICACHE
106 # undef CONFIG_ICACHE
109 #if defined(XILINX_USE_DCACHE)
110 # define CONFIG_DCACHE
112 # undef CONFIG_DCACHE
115 #ifndef XILINX_DCACHE_BYTE_SIZE
116 #define XILINX_DCACHE_BYTE_SIZE 32768
122 #define CONFIG_BOOTP_BOOTFILESIZE
124 #if defined(CONFIG_MTD_PARTITIONS)
127 /* default mtd partition table */
130 /* size of console buffer */
131 #define CONFIG_SYS_CBSIZE 512
132 /* max number of command args */
133 #define CONFIG_SYS_MAXARGS 15
134 /* default load address */
135 #define CONFIG_SYS_LOAD_ADDR 0
137 #define CONFIG_HOSTNAME "microblaze-generic"
138 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
140 /* architecture dependent code */
141 #define CONFIG_SYS_USR_EXCEP /* user exception */
143 #define CONFIG_USE_PREBOOT
144 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo"
146 #ifndef CONFIG_EXTRA_ENV_SETTINGS
147 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
149 "mtdparts=mtdparts=flash-0:"\
150 "256k(u-boot),256k(env),3m(kernel),"\
151 "1m(romfs),1m(cramfs),-(jffs2)\0"\
152 "nc=setenv stdout nc;"\
153 "setenv stdin nc\0" \
154 "serial=setenv stdout serial;"\
155 "setenv stdin serial\0"
158 /* Enable flat device tree support */
161 #if defined(CONFIG_XILINX_AXIEMAC)
162 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
167 #ifdef CONFIG_SYS_FLASH_BASE
168 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
171 /* for booting directly linux */
173 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
175 #define CONFIG_SYS_FDT_SIZE (16 << 10)
176 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
179 /* SP location before relocation, must use scratch RAM */
181 #define CONFIG_SYS_INIT_RAM_ADDR 0x0
182 /* BRAM size - will be generated */
183 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
185 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
186 CONFIG_SYS_INIT_RAM_SIZE - \
187 CONFIG_SYS_MALLOC_F_LEN)
189 /* Just for sure that there is a space for stack */
190 #define CONFIG_SPL_STACK_SIZE 0x100
192 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
194 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
195 CONFIG_SYS_INIT_RAM_ADDR - \
196 CONFIG_SYS_MALLOC_F_LEN - \
197 CONFIG_SPL_STACK_SIZE)
199 #endif /* __CONFIG_H */