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 */
22 #ifdef XILINX_SPI_FLASH_BASEADDR
25 #undef RAMENV /* hold environment in flash */
29 #define RAMENV /* hold environment in RAM */
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}
38 /* setting reset address */
39 /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/
42 #ifdef XILINX_GPIO_BASEADDR
43 # define CONFIG_SYS_GPIO_0_ADDR XILINX_GPIO_BASEADDR
46 #define CONFIG_SYS_MALLOC_LEN 0xC0000
48 /* Stack location before relocation */
49 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \
50 CONFIG_SYS_MALLOC_F_LEN)
53 * CFI flash memory layout - Example
54 * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
55 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB
57 * SECT_SIZE = 0x20000; 128kB is one sector
58 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store
60 * 0x2200_0000 CONFIG_SYS_FLASH_BASE
62 * 0x2204_0000 CONFIG_ENV_ADDR
66 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
71 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START
72 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE
73 # define CONFIG_SYS_FLASH_CFI 1
74 # define CONFIG_FLASH_CFI_DRIVER 1
76 # define CONFIG_SYS_FLASH_EMPTY_INFO 1
77 /* max number of memory banks */
78 # define CONFIG_SYS_MAX_FLASH_BANKS 1
79 /* max number of sectors on one chip */
80 # define CONFIG_SYS_MAX_FLASH_SECT 512
81 /* hardware flash protection */
82 # define CONFIG_SYS_FLASH_PROTECTION
83 /* use buffered writes (20x faster) */
84 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
86 # define CONFIG_ENV_SIZE 0x1000
87 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
89 # else /* FLASH && !RAMENV */
90 /* 128K(one sector) for env */
91 # define CONFIG_ENV_SECT_SIZE 0x20000
92 # define CONFIG_ENV_ADDR \
93 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
94 # define CONFIG_ENV_SIZE 0x20000
95 # endif /* FLASH && !RAMBOOT */
99 # define CONFIG_SYS_SPI_BASE XILINX_SPI_FLASH_BASEADDR
100 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
101 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ
102 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS
105 # define CONFIG_ENV_SIZE 0x1000
106 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
108 # else /* SPIFLASH && !RAMENV */
109 # define CONFIG_ENV_SPI_MODE SPI_MODE_3
110 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
111 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
112 /* 128K(two sectors) for env */
113 # define CONFIG_ENV_SECT_SIZE 0x10000
114 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE)
115 /* Warning: adjust the offset in respect of other flash content and size */
116 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
117 # endif /* SPIFLASH && !RAMBOOT */
118 #else /* !SPIFLASH */
121 # define CONFIG_ENV_SIZE 0x1000
122 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
123 #endif /* !SPIFLASH */
126 #if defined(XILINX_USE_ICACHE)
127 # define CONFIG_ICACHE
129 # undef CONFIG_ICACHE
132 #if defined(XILINX_USE_DCACHE)
133 # define CONFIG_DCACHE
135 # undef CONFIG_DCACHE
138 #ifndef XILINX_DCACHE_BYTE_SIZE
139 #define XILINX_DCACHE_BYTE_SIZE 32768
145 #define CONFIG_BOOTP_BOOTFILESIZE
147 #if defined(CONFIG_CMD_JFFS2)
148 # define CONFIG_MTD_PARTITIONS
151 #if defined(CONFIG_CMD_UBI)
152 # define CONFIG_MTD_PARTITIONS
155 #if defined(CONFIG_MTD_PARTITIONS)
157 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
158 #define CONFIG_FLASH_CFI_MTD
160 /* default mtd partition table */
163 /* size of console buffer */
164 #define CONFIG_SYS_CBSIZE 512
165 /* max number of command args */
166 #define CONFIG_SYS_MAXARGS 15
167 /* default load address */
168 #define CONFIG_SYS_LOAD_ADDR 0
170 #define CONFIG_HOSTNAME "microblaze-generic"
171 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
173 /* architecture dependent code */
174 #define CONFIG_SYS_USR_EXCEP /* user exception */
176 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo"
178 #ifndef CONFIG_EXTRA_ENV_SETTINGS
179 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
181 "mtdparts=mtdparts=flash-0:"\
182 "256k(u-boot),256k(env),3m(kernel),"\
183 "1m(romfs),1m(cramfs),-(jffs2)\0"\
184 "nc=setenv stdout nc;"\
185 "setenv stdin nc\0" \
186 "serial=setenv stdout serial;"\
187 "setenv stdin serial\0"
190 /* Enable flat device tree support */
193 #if defined(CONFIG_XILINX_AXIEMAC)
194 # define CONFIG_MII 1
195 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
202 #ifdef CONFIG_SYS_FLASH_BASE
203 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
206 /* for booting directly linux */
208 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
210 #define CONFIG_SYS_FDT_SIZE (16 << 10)
211 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
214 /* SP location before relocation, must use scratch RAM */
216 #define CONFIG_SYS_INIT_RAM_ADDR 0x0
217 /* BRAM size - will be generated */
218 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
220 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
221 CONFIG_SYS_INIT_RAM_SIZE - \
222 CONFIG_SYS_MALLOC_F_LEN)
224 /* Just for sure that there is a space for stack */
225 #define CONFIG_SPL_STACK_SIZE 0x100
227 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
229 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
230 CONFIG_SYS_INIT_RAM_ADDR - \
231 CONFIG_SYS_MALLOC_F_LEN - \
232 CONFIG_SPL_STACK_SIZE)
234 #endif /* __CONFIG_H */