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 #define CONFIG_SYS_BOOTM_LEN (64 * 1024 * 1024)
18 /* linear and spi flash memory */
19 #ifdef XILINX_FLASH_START
22 #undef RAMENV /* hold environment in flash */
26 #define RAMENV /* hold environment in RAM */
30 /* The following table includes the supported baudrates */
31 # define CONFIG_SYS_BAUDRATE_TABLE \
32 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
34 /* setting reset address */
35 /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/
37 #define CONFIG_SYS_MALLOC_LEN 0xC0000
39 /* Stack location before relocation */
40 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \
41 CONFIG_SYS_MALLOC_F_LEN)
44 * CFI flash memory layout - Example
45 * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
46 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB
48 * SECT_SIZE = 0x20000; 128kB is one sector
49 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store
51 * 0x2200_0000 CONFIG_SYS_FLASH_BASE
53 * 0x2204_0000 CONFIG_ENV_ADDR
57 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
62 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START
63 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE
65 # define CONFIG_SYS_FLASH_EMPTY_INFO 1
66 /* max number of memory banks */
67 # define CONFIG_SYS_MAX_FLASH_BANKS 1
68 /* max number of sectors on one chip */
69 # define CONFIG_SYS_MAX_FLASH_SECT 512
70 /* hardware flash protection */
71 /* use buffered writes (20x faster) */
73 # else /* FLASH && !RAMENV */
74 /* 128K(one sector) for env */
75 # endif /* FLASH && !RAMBOOT */
80 # else /* SPIFLASH && !RAMENV */
81 /* 128K(two sectors) for env */
82 /* Warning: adjust the offset in respect of other flash content and size */
83 # endif /* SPIFLASH && !RAMBOOT */
87 #endif /* !SPIFLASH */
90 #define XILINX_USE_ICACHE 1
91 #define XILINX_USE_DCACHE 1
93 #if defined(XILINX_USE_ICACHE)
94 # define CONFIG_ICACHE
99 #if defined(XILINX_USE_DCACHE)
100 # define CONFIG_DCACHE
102 # undef CONFIG_DCACHE
105 #ifndef XILINX_DCACHE_BYTE_SIZE
106 #define XILINX_DCACHE_BYTE_SIZE 32768
112 #define CONFIG_BOOTP_BOOTFILESIZE
114 #if defined(CONFIG_MTD_PARTITIONS)
117 /* default mtd partition table */
120 /* size of console buffer */
121 #define CONFIG_SYS_CBSIZE 512
122 /* max number of command args */
123 #define CONFIG_SYS_MAXARGS 15
124 /* default load address */
125 #define CONFIG_SYS_LOAD_ADDR 0
127 #define CONFIG_HOSTNAME "microblaze-generic"
128 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
130 /* architecture dependent code */
131 #define CONFIG_SYS_USR_EXCEP /* user exception */
133 #ifndef CONFIG_EXTRA_ENV_SETTINGS
134 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
136 "mtdparts=mtdparts=flash-0:"\
137 "256k(u-boot),256k(env),3m(kernel),"\
138 "1m(romfs),1m(cramfs),-(jffs2)\0"\
139 "nc=setenv stdout nc;"\
140 "setenv stdin nc\0" \
141 "serial=setenv stdout serial;"\
142 "setenv stdin serial\0"
145 #if defined(CONFIG_XILINX_AXIEMAC)
146 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
151 #ifdef CONFIG_SYS_FLASH_BASE
152 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
155 /* for booting directly linux */
157 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
159 #define CONFIG_SYS_FDT_SIZE (16 << 10)
160 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
163 /* SP location before relocation, must use scratch RAM */
165 #define CONFIG_SYS_INIT_RAM_ADDR 0x0
166 /* BRAM size - will be generated */
167 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
169 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
170 CONFIG_SYS_INIT_RAM_SIZE - \
171 CONFIG_SYS_MALLOC_F_LEN)
173 /* Just for sure that there is a space for stack */
174 #define CONFIG_SPL_STACK_SIZE 0x100
176 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
178 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
179 CONFIG_SYS_INIT_RAM_ADDR - \
180 CONFIG_SYS_MALLOC_F_LEN - \
181 CONFIG_SPL_STACK_SIZE)
183 #endif /* __CONFIG_H */