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 */
84 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
85 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ
86 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS
89 # define CONFIG_ENV_SIZE 0x1000
90 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
92 # else /* SPIFLASH && !RAMENV */
93 # define CONFIG_ENV_SPI_MODE SPI_MODE_3
94 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
95 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
96 /* 128K(two sectors) for env */
97 # define CONFIG_ENV_SECT_SIZE 0x10000
98 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE)
99 /* Warning: adjust the offset in respect of other flash content and size */
100 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
101 # endif /* SPIFLASH && !RAMBOOT */
102 #else /* !SPIFLASH */
105 # define CONFIG_ENV_SIZE 0x1000
106 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
107 #endif /* !SPIFLASH */
110 #if defined(XILINX_USE_ICACHE)
111 # define CONFIG_ICACHE
113 # undef CONFIG_ICACHE
116 #if defined(XILINX_USE_DCACHE)
117 # define CONFIG_DCACHE
119 # undef CONFIG_DCACHE
122 #ifndef XILINX_DCACHE_BYTE_SIZE
123 #define XILINX_DCACHE_BYTE_SIZE 32768
129 #define CONFIG_BOOTP_BOOTFILESIZE
131 #if defined(CONFIG_MTD_PARTITIONS)
134 /* default mtd partition table */
137 /* size of console buffer */
138 #define CONFIG_SYS_CBSIZE 512
139 /* max number of command args */
140 #define CONFIG_SYS_MAXARGS 15
141 /* default load address */
142 #define CONFIG_SYS_LOAD_ADDR 0
144 #define CONFIG_HOSTNAME "microblaze-generic"
145 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
147 /* architecture dependent code */
148 #define CONFIG_SYS_USR_EXCEP /* user exception */
150 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo"
152 #ifndef CONFIG_EXTRA_ENV_SETTINGS
153 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
155 "mtdparts=mtdparts=flash-0:"\
156 "256k(u-boot),256k(env),3m(kernel),"\
157 "1m(romfs),1m(cramfs),-(jffs2)\0"\
158 "nc=setenv stdout nc;"\
159 "setenv stdin nc\0" \
160 "serial=setenv stdout serial;"\
161 "setenv stdin serial\0"
164 /* Enable flat device tree support */
167 #if defined(CONFIG_XILINX_AXIEMAC)
168 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
173 #ifdef CONFIG_SYS_FLASH_BASE
174 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
177 /* for booting directly linux */
179 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
181 #define CONFIG_SYS_FDT_SIZE (16 << 10)
182 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
185 /* SP location before relocation, must use scratch RAM */
187 #define CONFIG_SYS_INIT_RAM_ADDR 0x0
188 /* BRAM size - will be generated */
189 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
191 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
192 CONFIG_SYS_INIT_RAM_SIZE - \
193 CONFIG_SYS_MALLOC_F_LEN)
195 /* Just for sure that there is a space for stack */
196 #define CONFIG_SPL_STACK_SIZE 0x100
198 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
200 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
201 CONFIG_SYS_INIT_RAM_ADDR - \
202 CONFIG_SYS_MALLOC_F_LEN - \
203 CONFIG_SPL_STACK_SIZE)
205 #endif /* __CONFIG_H */