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
62 # define CONFIG_SYS_FLASH_CFI 1
63 # define CONFIG_FLASH_CFI_DRIVER 1
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 # define CONFIG_SYS_FLASH_PROTECTION
72 /* use buffered writes (20x faster) */
73 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
75 # define CONFIG_ENV_SIZE 0x1000
76 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
78 # else /* FLASH && !RAMENV */
79 /* 128K(one sector) for env */
80 # define CONFIG_ENV_SECT_SIZE 0x20000
81 # define CONFIG_ENV_ADDR \
82 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
83 # define CONFIG_ENV_SIZE 0x20000
84 # endif /* FLASH && !RAMBOOT */
88 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
89 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ
90 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS
93 # define CONFIG_ENV_SIZE 0x1000
94 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
96 # else /* SPIFLASH && !RAMENV */
97 # define CONFIG_ENV_SPI_MODE SPI_MODE_3
98 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
99 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
100 /* 128K(two sectors) for env */
101 # define CONFIG_ENV_SECT_SIZE 0x10000
102 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE)
103 /* Warning: adjust the offset in respect of other flash content and size */
104 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
105 # endif /* SPIFLASH && !RAMBOOT */
106 #else /* !SPIFLASH */
109 # define CONFIG_ENV_SIZE 0x1000
110 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
111 #endif /* !SPIFLASH */
114 #if defined(XILINX_USE_ICACHE)
115 # define CONFIG_ICACHE
117 # undef CONFIG_ICACHE
120 #if defined(XILINX_USE_DCACHE)
121 # define CONFIG_DCACHE
123 # undef CONFIG_DCACHE
126 #ifndef XILINX_DCACHE_BYTE_SIZE
127 #define XILINX_DCACHE_BYTE_SIZE 32768
133 #define CONFIG_BOOTP_BOOTFILESIZE
135 #if defined(CONFIG_CMD_JFFS2)
136 # define CONFIG_MTD_PARTITIONS
139 #if defined(CONFIG_CMD_UBI)
140 # define CONFIG_MTD_PARTITIONS
143 #if defined(CONFIG_MTD_PARTITIONS)
145 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
146 #define CONFIG_FLASH_CFI_MTD
148 /* default mtd partition table */
151 /* size of console buffer */
152 #define CONFIG_SYS_CBSIZE 512
153 /* max number of command args */
154 #define CONFIG_SYS_MAXARGS 15
155 /* default load address */
156 #define CONFIG_SYS_LOAD_ADDR 0
158 #define CONFIG_HOSTNAME "microblaze-generic"
159 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
161 /* architecture dependent code */
162 #define CONFIG_SYS_USR_EXCEP /* user exception */
164 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo"
166 #ifndef CONFIG_EXTRA_ENV_SETTINGS
167 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
169 "mtdparts=mtdparts=flash-0:"\
170 "256k(u-boot),256k(env),3m(kernel),"\
171 "1m(romfs),1m(cramfs),-(jffs2)\0"\
172 "nc=setenv stdout nc;"\
173 "setenv stdin nc\0" \
174 "serial=setenv stdout serial;"\
175 "setenv stdin serial\0"
178 /* Enable flat device tree support */
181 #if defined(CONFIG_XILINX_AXIEMAC)
182 # define CONFIG_MII 1
183 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
190 #ifdef CONFIG_SYS_FLASH_BASE
191 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
194 /* for booting directly linux */
196 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
198 #define CONFIG_SYS_FDT_SIZE (16 << 10)
199 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
202 /* SP location before relocation, must use scratch RAM */
204 #define CONFIG_SYS_INIT_RAM_ADDR 0x0
205 /* BRAM size - will be generated */
206 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
208 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
209 CONFIG_SYS_INIT_RAM_SIZE - \
210 CONFIG_SYS_MALLOC_F_LEN)
212 /* Just for sure that there is a space for stack */
213 #define CONFIG_SPL_STACK_SIZE 0x100
215 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
217 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
218 CONFIG_SYS_INIT_RAM_ADDR - \
219 CONFIG_SYS_MALLOC_F_LEN - \
220 CONFIG_SPL_STACK_SIZE)
222 #endif /* __CONFIG_H */