2 * ML300.h: ML300 specific config options
4 * http://www.xilinx.com/ml300
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48 /* #define ET_DEBUG 1 */
51 * High Level Configuration Options
55 #define CONFIG_405 1 /* This is a PPC405 CPU */
56 #define CONFIG_4xx 1 /* ...member of PPC4xx family */
57 #define CONFIG_XILINX_ML300 1 /* ...on a Xilinx ML300 board */
59 #define CFG_ENV_IS_NOWHERE 1 /* environment is in RAM */
60 #define CFG_NO_FLASH 1 /* no flash */
61 #define CFG_ENV_SIZE 0x2000
62 #define CONFIG_BAUDRATE 9600
63 #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
65 #define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */
67 #define CONFIG_BOOTARGS "console=ttyS0,9600 ip=off " \
68 "root=/dev/xsysace/disc0/part3 rw"
70 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
71 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
73 #define REMOVE_COMMANDS (CFG_CMD_FLASH | CFG_CMD_LOADS | CFG_CMD_FAT | \
75 #define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_NET) \
78 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
79 #include <cmd_confdefs.h>
81 /* #define CONFIG_SYS_CLK_FREQ XPAR_CORE_CLOCK_FREQ_HZ */
85 * Miscellaneous configurable options
87 #define CFG_LONGHELP /* undef to save memory */
88 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
90 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
92 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
93 #define CFG_MAXARGS 16 /* max number of command args */
94 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
96 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
97 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
99 #define CFG_DUART_CHAN 0
100 #define CFG_NS16550_REG_SIZE -4
101 #define CFG_NS16550 1
102 #define CFG_INIT_CHAN1 1
104 /* The following table includes the supported baudrates */
105 #define CFG_BAUDRATE_TABLE \
106 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
108 #define CFG_LOAD_ADDR 0x400000 /* default load address */
109 #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
111 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
113 /*-----------------------------------------------------------------------
114 * Start addresses for the final memory configuration
115 * (Set up by the startup code)
116 * Please note that CFG_SDRAM_BASE _must_ start at 0
118 #define CFG_SDRAM_BASE 0x00000000
119 #define CFG_MONITOR_BASE 0x04000000
120 #define CFG_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */
121 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
124 * For booting Linux, the board info and command line data
125 * have to be in the first 8 MB of memory, since this is
126 * the maximum mapped by the Linux kernel during initialization.
128 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
130 /*-----------------------------------------------------------------------
131 * Cache Configuration
133 #define CFG_DCACHE_SIZE 16384 /* For IBM 405 CPUs */
134 #define CFG_CACHELINE_SIZE 32 /* ... */
136 /*-----------------------------------------------------------------------
137 * Definitions for initial stack pointer and data area (in DPRAM)
140 #define CFG_INIT_RAM_ADDR 0x800000 /* inside of SDRAM */
141 #define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
142 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
143 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
144 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
147 * Internal Definitions
151 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
152 #define BOOTFLAG_WARM 0x02 /* Software reboot */
154 #endif /* __CONFIG_H */