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
47 #if defined(XILINX_WATCHDOG_BASEADDR) && defined(XILINX_WATCHDOG_IRQ)
48 # define CONFIG_WATCHDOG_BASEADDR XILINX_WATCHDOG_BASEADDR
49 # define CONFIG_WATCHDOG_IRQ XILINX_WATCHDOG_IRQ
50 # ifndef CONFIG_SPL_BUILD
51 # define CONFIG_HW_WATCHDOG
52 # define CONFIG_XILINX_TB_WATCHDOG
56 #define CONFIG_SYS_MALLOC_LEN 0xC0000
58 /* Stack location before relocation */
59 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \
60 CONFIG_SYS_MALLOC_F_LEN)
63 * CFI flash memory layout - Example
64 * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
65 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB
67 * SECT_SIZE = 0x20000; 128kB is one sector
68 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store
70 * 0x2200_0000 CONFIG_SYS_FLASH_BASE
72 * 0x2204_0000 CONFIG_ENV_ADDR
76 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
81 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START
82 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE
83 # define CONFIG_SYS_FLASH_CFI 1
84 # define CONFIG_FLASH_CFI_DRIVER 1
86 # define CONFIG_SYS_FLASH_EMPTY_INFO 1
87 /* max number of memory banks */
88 # define CONFIG_SYS_MAX_FLASH_BANKS 1
89 /* max number of sectors on one chip */
90 # define CONFIG_SYS_MAX_FLASH_SECT 512
91 /* hardware flash protection */
92 # define CONFIG_SYS_FLASH_PROTECTION
93 /* use buffered writes (20x faster) */
94 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
96 # define CONFIG_ENV_SIZE 0x1000
97 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
99 # else /* FLASH && !RAMENV */
100 /* 128K(one sector) for env */
101 # define CONFIG_ENV_SECT_SIZE 0x20000
102 # define CONFIG_ENV_ADDR \
103 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
104 # define CONFIG_ENV_SIZE 0x20000
105 # endif /* FLASH && !RAMBOOT */
109 # define CONFIG_SYS_SPI_BASE XILINX_SPI_FLASH_BASEADDR
110 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
111 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ
112 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS
115 # define CONFIG_ENV_SIZE 0x1000
116 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
118 # else /* SPIFLASH && !RAMENV */
119 # define CONFIG_ENV_SPI_MODE SPI_MODE_3
120 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
121 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
122 /* 128K(two sectors) for env */
123 # define CONFIG_ENV_SECT_SIZE 0x10000
124 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE)
125 /* Warning: adjust the offset in respect of other flash content and size */
126 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
127 # endif /* SPIFLASH && !RAMBOOT */
128 #else /* !SPIFLASH */
131 # define CONFIG_ENV_SIZE 0x1000
132 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
133 #endif /* !SPIFLASH */
136 #if defined(XILINX_USE_ICACHE)
137 # define CONFIG_ICACHE
139 # undef CONFIG_ICACHE
142 #if defined(XILINX_USE_DCACHE)
143 # define CONFIG_DCACHE
145 # undef CONFIG_DCACHE
148 #ifndef XILINX_DCACHE_BYTE_SIZE
149 #define XILINX_DCACHE_BYTE_SIZE 32768
155 #define CONFIG_BOOTP_BOOTFILESIZE
157 #if defined(CONFIG_CMD_JFFS2)
158 # define CONFIG_MTD_PARTITIONS
161 #if defined(CONFIG_CMD_UBI)
162 # define CONFIG_MTD_PARTITIONS
165 #if defined(CONFIG_MTD_PARTITIONS)
167 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
168 #define CONFIG_FLASH_CFI_MTD
170 /* default mtd partition table */
173 /* size of console buffer */
174 #define CONFIG_SYS_CBSIZE 512
175 /* max number of command args */
176 #define CONFIG_SYS_MAXARGS 15
177 /* default load address */
178 #define CONFIG_SYS_LOAD_ADDR 0
180 #define CONFIG_HOSTNAME "microblaze-generic"
181 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
183 /* architecture dependent code */
184 #define CONFIG_SYS_USR_EXCEP /* user exception */
186 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo"
188 #ifndef CONFIG_EXTRA_ENV_SETTINGS
189 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
191 "mtdparts=mtdparts=flash-0:"\
192 "256k(u-boot),256k(env),3m(kernel),"\
193 "1m(romfs),1m(cramfs),-(jffs2)\0"\
194 "nc=setenv stdout nc;"\
195 "setenv stdin nc\0" \
196 "serial=setenv stdout serial;"\
197 "setenv stdin serial\0"
200 /* Enable flat device tree support */
203 #if defined(CONFIG_XILINX_AXIEMAC)
204 # define CONFIG_MII 1
205 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
212 #ifdef CONFIG_SYS_FLASH_BASE
213 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
216 /* for booting directly linux */
218 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
220 #define CONFIG_SYS_FDT_SIZE (16<<10)
221 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
224 /* SP location before relocation, must use scratch RAM */
226 #define CONFIG_SYS_INIT_RAM_ADDR 0x0
227 /* BRAM size - will be generated */
228 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
230 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
231 CONFIG_SYS_INIT_RAM_SIZE - \
232 CONFIG_SYS_MALLOC_F_LEN)
234 /* Just for sure that there is a space for stack */
235 #define CONFIG_SPL_STACK_SIZE 0x100
237 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
239 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
240 CONFIG_SYS_INIT_RAM_ADDR - \
241 CONFIG_SYS_MALLOC_F_LEN - \
242 CONFIG_SPL_STACK_SIZE)
244 #endif /* __CONFIG_H */