2 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 /************************************************************************
24 * board/config_EBONY.h - configuration for IBM 440GP Ref (Ebony)
25 ***********************************************************************/
30 /*-----------------------------------------------------------------------
31 * High Level Configuration Options
32 *----------------------------------------------------------------------*/
33 #define CONFIG_EBONY 1 /* Board is ebony */
34 #define CONFIG_4xx 1 /* ... PPC4xx family */
35 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
36 #undef CFG_DRAM_TEST /* Disable-takes long time! */
37 #define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */
39 /*-----------------------------------------------------------------------
40 * Base addresses -- Note these are effective addresses where the
41 * actual resources get mapped (not physical addresses)
42 *----------------------------------------------------------------------*/
43 #define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */
44 #define CFG_FLASH_BASE 0xff800000 /* start of FLASH */
45 #define CFG_MONITOR_BASE 0xfff80000 /* start of monitor */
46 #define CFG_PCI_MEMBASE 0x80000000 /* mapped pci memory */
47 #define CFG_PERIPHERAL_BASE 0xe0000000 /* internal peripherals */
48 #define CFG_ISRAM_BASE 0xc0000000 /* internal SRAM */
49 #define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */
51 #define CFG_FPGA_BASE (CFG_PERIPHERAL_BASE + 0x08300000)
52 #define CFG_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000)
54 /*-----------------------------------------------------------------------
55 * Initial RAM & stack pointer (placed in internal SRAM)
56 *----------------------------------------------------------------------*/
57 #define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE /* Initial RAM address */
58 #define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
59 #define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */
61 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
62 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
64 #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
65 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc*/
67 /*-----------------------------------------------------------------------
69 *----------------------------------------------------------------------*/
70 #undef CONFIG_SERIAL_SOFTWARE_FIFO
71 #define CFG_EXT_SERIAL_CLOCK (1843200 * 6) /* Ext clk @ 11.059 MHz */
72 #define CONFIG_BAUDRATE 9600
74 #define CFG_BAUDRATE_TABLE \
75 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400}
77 /*-----------------------------------------------------------------------
80 * NOTE: Upper 8 bytes of NVRAM is where the RTC registers are located.
81 * The DS1743 code assumes this condition (i.e. -- it assumes the base
82 * address for the RTC registers is:
84 * CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE
86 *----------------------------------------------------------------------*/
87 #define CFG_NVRAM_SIZE (0x2000 - 8) /* NVRAM size(8k)- RTC regs */
88 #define CONFIG_RTC_DS174x 1 /* DS1743 RTC */
90 /*-----------------------------------------------------------------------
92 *----------------------------------------------------------------------*/
93 #define CFG_MAX_FLASH_BANKS 3 /* number of banks */
94 #define CFG_MAX_FLASH_SECT 32 /* sectors per device */
96 #undef CFG_FLASH_CHECKSUM
97 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
98 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
100 /*-----------------------------------------------------------------------
102 *----------------------------------------------------------------------*/
103 #define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */
104 #define SPD_EEPROM_ADDRESS {0x53,0x52} /* SPD i2c spd addresses */
106 /*-----------------------------------------------------------------------
108 *----------------------------------------------------------------------*/
109 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
110 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
111 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
112 #define CFG_I2C_SLAVE 0x7F
113 #define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */
116 /*-----------------------------------------------------------------------
118 *----------------------------------------------------------------------*/
119 #define CFG_ENV_IS_IN_NVRAM 1 /* Environment uses NVRAM */
120 #undef CFG_ENV_IS_IN_FLASH /* ... not in flash */
121 #undef CFG_ENV_IS_IN_EEPROM /* ... not in EEPROM */
123 #define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */
124 #define CFG_ENV_ADDR \
125 (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)
127 #define CONFIG_BOOTARGS "root=/dev/hda1 "
128 #define CONFIG_BOOTCOMMAND "bootm ffc00000" /* autoboot command */
129 #define CONFIG_BOOTDELAY -1 /* disable autoboot */
130 #define CONFIG_BAUDRATE 9600
132 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
133 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
135 #define CONFIG_MII 1 /* MII PHY management */
136 #define CONFIG_PHY_ADDR 8 /* PHY address */
139 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
149 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
150 #include <cmd_confdefs.h>
152 #undef CONFIG_WATCHDOG /* watchdog disabled */
155 * Miscellaneous configurable options
157 #define CFG_LONGHELP /* undef to save memory */
158 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
159 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
160 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
162 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
164 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
165 #define CFG_MAXARGS 16 /* max number of command args */
166 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
168 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
169 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
171 #define CFG_LOAD_ADDR 0x100000 /* default load address */
172 #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
174 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
177 /*-----------------------------------------------------------------------
179 *-----------------------------------------------------------------------
182 #define CONFIG_PCI /* include pci support */
183 #define CONFIG_PCI_PNP /* do pci plug-and-play */
184 #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
185 #define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE */
187 /* Board-specific PCI */
188 #define CFG_PCI_PRE_INIT /* enable board pci_pre_init() */
189 #define CFG_PCI_TARGET_INIT /* let board init pci target */
191 #define CFG_PCI_SUBSYS_VENDORID 0x1014 /* IBM */
192 #define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
195 * For booting Linux, the board info and command line data
196 * have to be in the first 8 MB of memory, since this is
197 * the maximum mapped by the Linux kernel during initialization.
199 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
200 /*-----------------------------------------------------------------------
201 * Cache Configuration
203 #define CFG_DCACHE_SIZE 8192 /* For IBM 405 CPUs */
204 #define CFG_CACHELINE_SIZE 32 /* ... */
205 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
206 #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
210 * Internal Definitions
214 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
215 #define BOOTFLAG_WARM 0x02 /* Software reboot */
217 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
218 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
219 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
221 #endif /* __CONFIG_H */