2 * (C) Copyright 2007-2010 Michal Simek
4 * Michal SIMEK <monstr@monstr.eu>
6 * SPDX-License-Identifier: GPL-2.0+
12 #include "../board/xilinx/microblaze-generic/xparameters.h"
15 #define MICROBLAZE_V5 1
17 /* linear and spi flash memory */
18 #ifdef XILINX_FLASH_START
21 #undef RAMENV /* hold environment in flash */
23 #ifdef XILINX_SPI_FLASH_BASEADDR
26 #undef RAMENV /* hold environment in flash */
30 #define RAMENV /* hold environment in RAM */
35 /* The following table includes the supported baudrates */
36 # define CONFIG_SYS_BAUDRATE_TABLE \
37 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
39 /* setting reset address */
40 /*#define CONFIG_SYS_RESET_ADDRESS CONFIG_SYS_TEXT_BASE*/
43 #ifdef XILINX_GPIO_BASEADDR
44 # define CONFIG_SYS_GPIO_0_ADDR XILINX_GPIO_BASEADDR
48 #if defined(XILINX_WATCHDOG_BASEADDR) && defined(XILINX_WATCHDOG_IRQ)
49 # define CONFIG_WATCHDOG_BASEADDR XILINX_WATCHDOG_BASEADDR
50 # define CONFIG_WATCHDOG_IRQ XILINX_WATCHDOG_IRQ
51 # ifndef CONFIG_SPL_BUILD
52 # define CONFIG_HW_WATCHDOG
53 # define CONFIG_XILINX_TB_WATCHDOG
57 #define CONFIG_SYS_MALLOC_LEN 0xC0000
59 /* Stack location before relocation */
60 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_TEXT_BASE - \
61 CONFIG_SYS_MALLOC_F_LEN)
64 * CFI flash memory layout - Example
65 * CONFIG_SYS_FLASH_BASE = 0x2200_0000;
66 * CONFIG_SYS_FLASH_SIZE = 0x0080_0000; 8MB
68 * SECT_SIZE = 0x20000; 128kB is one sector
69 * CONFIG_ENV_SIZE = SECT_SIZE; 128kB environment store
71 * 0x2200_0000 CONFIG_SYS_FLASH_BASE
73 * 0x2204_0000 CONFIG_ENV_ADDR
77 * 0x2280_0000 CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE
82 # define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START
83 # define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE
84 # define CONFIG_SYS_FLASH_CFI 1
85 # define CONFIG_FLASH_CFI_DRIVER 1
87 # define CONFIG_SYS_FLASH_EMPTY_INFO 1
88 /* max number of memory banks */
89 # define CONFIG_SYS_MAX_FLASH_BANKS 1
90 /* max number of sectors on one chip */
91 # define CONFIG_SYS_MAX_FLASH_SECT 512
92 /* hardware flash protection */
93 # define CONFIG_SYS_FLASH_PROTECTION
94 /* use buffered writes (20x faster) */
95 # define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
97 # define CONFIG_ENV_SIZE 0x1000
98 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
100 # else /* FLASH && !RAMENV */
101 /* 128K(one sector) for env */
102 # define CONFIG_ENV_SECT_SIZE 0x20000
103 # define CONFIG_ENV_ADDR \
104 (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE))
105 # define CONFIG_ENV_SIZE 0x20000
106 # endif /* FLASH && !RAMBOOT */
110 # define CONFIG_SYS_SPI_BASE XILINX_SPI_FLASH_BASEADDR
111 # define CONFIG_SPI 1
112 # define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
113 # define CONFIG_SF_DEFAULT_SPEED XILINX_SPI_FLASH_MAX_FREQ
114 # define CONFIG_SF_DEFAULT_CS XILINX_SPI_FLASH_CS
117 # define CONFIG_ENV_SIZE 0x1000
118 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
120 # else /* SPIFLASH && !RAMENV */
121 # define CONFIG_ENV_SPI_MODE SPI_MODE_3
122 # define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
123 # define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
124 /* 128K(two sectors) for env */
125 # define CONFIG_ENV_SECT_SIZE 0x10000
126 # define CONFIG_ENV_SIZE (2 * CONFIG_ENV_SECT_SIZE)
127 /* Warning: adjust the offset in respect of other flash content and size */
128 # define CONFIG_ENV_OFFSET (128 * CONFIG_ENV_SECT_SIZE) /* at 8MB */
129 # endif /* SPIFLASH && !RAMBOOT */
130 #else /* !SPIFLASH */
133 # define CONFIG_ENV_SIZE 0x1000
134 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
135 #endif /* !SPIFLASH */
138 #if defined(XILINX_USE_ICACHE)
139 # define CONFIG_ICACHE
141 # undef CONFIG_ICACHE
144 #if defined(XILINX_USE_DCACHE)
145 # define CONFIG_DCACHE
147 # undef CONFIG_DCACHE
150 #ifndef XILINX_DCACHE_BYTE_SIZE
151 #define XILINX_DCACHE_BYTE_SIZE 32768
157 #define CONFIG_BOOTP_BOOTFILESIZE
159 #if defined(CONFIG_CMD_JFFS2)
160 # define CONFIG_MTD_PARTITIONS
163 #if defined(CONFIG_CMD_UBI)
164 # define CONFIG_MTD_PARTITIONS
167 #if defined(CONFIG_MTD_PARTITIONS)
169 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
170 #define CONFIG_FLASH_CFI_MTD
172 /* default mtd partition table */
175 /* size of console buffer */
176 #define CONFIG_SYS_CBSIZE 512
177 /* max number of command args */
178 #define CONFIG_SYS_MAXARGS 15
179 /* default load address */
180 #define CONFIG_SYS_LOAD_ADDR 0
182 #define CONFIG_HOSTNAME "microblaze-generic"
183 #define CONFIG_BOOTCOMMAND "base 0;tftp 11000000 image.img;bootm"
185 /* architecture dependent code */
186 #define CONFIG_SYS_USR_EXCEP /* user exception */
188 #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo"
190 #ifndef CONFIG_EXTRA_ENV_SETTINGS
191 #define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \
193 "mtdparts=mtdparts=flash-0:"\
194 "256k(u-boot),256k(env),3m(kernel),"\
195 "1m(romfs),1m(cramfs),-(jffs2)\0"\
196 "nc=setenv stdout nc;"\
197 "setenv stdin nc\0" \
198 "serial=setenv stdout serial;"\
199 "setenv stdin serial\0"
202 /* Enable flat device tree support */
205 #if defined(CONFIG_XILINX_AXIEMAC)
206 # define CONFIG_MII 1
207 # define CONFIG_SYS_FAULT_ECHO_LINK_DOWN 1
214 #ifdef CONFIG_SYS_FLASH_BASE
215 # define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_FLASH_BASE
218 /* for booting directly linux */
220 #define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
222 #define CONFIG_SYS_FDT_SIZE (16<<10)
223 #define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
226 /* SP location before relocation, must use scratch RAM */
228 #define CONFIG_SYS_INIT_RAM_ADDR 0x0
229 /* BRAM size - will be generated */
230 #define CONFIG_SYS_INIT_RAM_SIZE 0x100000
232 # define CONFIG_SPL_STACK_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
233 CONFIG_SYS_INIT_RAM_SIZE - \
234 CONFIG_SYS_MALLOC_F_LEN)
236 /* Just for sure that there is a space for stack */
237 #define CONFIG_SPL_STACK_SIZE 0x100
239 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
241 #define CONFIG_SPL_MAX_FOOTPRINT (CONFIG_SYS_INIT_RAM_SIZE - \
242 CONFIG_SYS_INIT_RAM_ADDR - \
243 CONFIG_SYS_MALLOC_F_LEN - \
244 CONFIG_SPL_STACK_SIZE)
246 #endif /* __CONFIG_H */