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 AMCC 440GP Ref (Ebony)
25 ***********************************************************************/
30 /*-----------------------------------------------------------------------
31 * High Level Configuration Options
32 *----------------------------------------------------------------------*/
33 #define CONFIG_EBONY 1 /* Board is ebony */
34 #define CONFIG_440GP 1 /* Specifc GP support */
35 #define CONFIG_440 1 /* ... PPC440 family */
36 #define CONFIG_4xx 1 /* ... PPC4xx family */
37 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
38 #undef CFG_DRAM_TEST /* Disable-takes long time! */
39 #define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */
42 * Define here the location of the environment variables (FLASH or NVRAM).
43 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
44 * supported for backward compatibility.
47 #define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
49 #define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
52 /*-----------------------------------------------------------------------
53 * Base addresses -- Note these are effective addresses where the
54 * actual resources get mapped (not physical addresses)
55 *----------------------------------------------------------------------*/
56 #define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */
57 #define CFG_FLASH_BASE 0xff800000 /* start of FLASH */
58 #define CFG_MONITOR_BASE 0xfffc0000 /* start of monitor */
59 #define CFG_PCI_MEMBASE 0x80000000 /* mapped pci memory */
60 #define CFG_PERIPHERAL_BASE 0xe0000000 /* internal peripherals */
61 #define CFG_ISRAM_BASE 0xc0000000 /* internal SRAM */
62 #define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */
64 #define CFG_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000)
65 #define CFG_FPGA_BASE (CFG_PERIPHERAL_BASE + 0x08300000)
67 /*-----------------------------------------------------------------------
68 * Initial RAM & stack pointer (placed in internal SRAM)
69 *----------------------------------------------------------------------*/
70 #define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE /* Initial RAM address */
71 #define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
72 #define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */
74 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
75 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
77 #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
78 #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc*/
80 /*-----------------------------------------------------------------------
82 *----------------------------------------------------------------------*/
83 #undef CONFIG_SERIAL_SOFTWARE_FIFO
84 #define CFG_EXT_SERIAL_CLOCK (1843200 * 6) /* Ext clk @ 11.059 MHz */
85 #define CONFIG_BAUDRATE 115200
87 #define CFG_BAUDRATE_TABLE \
88 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400}
90 /*-----------------------------------------------------------------------
93 * NOTE: Upper 8 bytes of NVRAM is where the RTC registers are located.
94 * The DS1743 code assumes this condition (i.e. -- it assumes the base
95 * address for the RTC registers is:
97 * CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE
99 *----------------------------------------------------------------------*/
100 #define CFG_NVRAM_SIZE (0x2000 - 8) /* NVRAM size(8k)- RTC regs */
101 #define CONFIG_RTC_DS174x 1 /* DS1743 RTC */
103 #ifdef CFG_ENV_IS_IN_NVRAM
104 #define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */
105 #define CFG_ENV_ADDR \
106 (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)
107 #endif /* CFG_ENV_IS_IN_NVRAM */
109 /*-----------------------------------------------------------------------
111 *----------------------------------------------------------------------*/
112 #define CFG_MAX_FLASH_BANKS 3 /* number of banks */
113 #define CFG_MAX_FLASH_SECT 32 /* sectors per device */
115 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
116 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
118 #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
120 #define CFG_FLASH_ADDR0 0x5555
121 #define CFG_FLASH_ADDR1 0x2aaa
122 #define CFG_FLASH_WORD_SIZE unsigned char
124 #ifdef CFG_ENV_IS_IN_FLASH
125 #define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
126 #define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
127 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
129 /* Address and size of Redundant Environment Sector */
130 #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
131 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
132 #endif /* CFG_ENV_IS_IN_FLASH */
134 /*-----------------------------------------------------------------------
136 *----------------------------------------------------------------------*/
137 #define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */
138 #define SPD_EEPROM_ADDRESS {0x53,0x52} /* SPD i2c spd addresses */
139 #define CONFIG_PROG_SDRAM_TLB 1 /* setup SDRAM TLB's dynamically*/
141 /*-----------------------------------------------------------------------
143 *----------------------------------------------------------------------*/
144 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
145 #undef CONFIG_SOFT_I2C /* I2C bit-banged */
146 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
147 #define CFG_I2C_SLAVE 0x7F
149 #define CFG_I2C_MULTI_EEPROMS
150 #define CFG_I2C_EEPROM_ADDR (0xa8>>1)
151 #define CFG_I2C_EEPROM_ADDR_LEN 1
152 #define CFG_EEPROM_PAGE_WRITE_ENABLE
153 #define CFG_EEPROM_PAGE_WRITE_BITS 3
154 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
156 #define CONFIG_PREBOOT "echo;" \
157 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
160 #undef CONFIG_BOOTARGS
162 #define CONFIG_EXTRA_ENV_SETTINGS \
165 "nfsargs=setenv bootargs root=/dev/nfs rw " \
166 "nfsroot=${serverip}:${rootpath}\0" \
167 "ramargs=setenv bootargs root=/dev/ram rw\0" \
168 "addip=setenv bootargs ${bootargs} " \
169 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
170 ":${hostname}:${netdev}:off panic=1\0" \
171 "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
172 "flash_nfs=run nfsargs addip addtty;" \
173 "bootm ${kernel_addr}\0" \
174 "flash_self=run ramargs addip addtty;" \
175 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
176 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
178 "rootpath=/opt/eldk/ppc_4xx\0" \
179 "bootfile=/tftpboot/ebony/uImage\0" \
180 "kernel_addr=ff800000\0" \
181 "ramdisk_addr=ff810000\0" \
182 "initrd_high=30000000\0" \
183 "load=tftp 100000 /tftpboot/ebony/u-boot.bin\0" \
184 "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \
185 "cp.b 100000 fffc0000 40000;" \
186 "setenv filesize;saveenv\0" \
187 "upd=run load update\0" \
189 #define CONFIG_BOOTCOMMAND "run flash_self"
192 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
194 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
197 #define CONFIG_BAUDRATE 115200
199 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
200 #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
202 #define CONFIG_MII 1 /* MII PHY management */
203 #define CONFIG_PHY_ADDR 8 /* PHY address */
204 #define CONFIG_HAS_ETH0
205 #define CONFIG_HAS_ETH1
206 #define CONFIG_PHY1_ADDR 9 /* EMAC1 PHY address */
207 #define CONFIG_NET_MULTI 1
208 #define CFG_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */
210 #define CONFIG_NETCONSOLE /* include NetConsole support */
216 #define CONFIG_BOOTP_BOOTFILESIZE
217 #define CONFIG_BOOTP_BOOTPATH
218 #define CONFIG_BOOTP_GATEWAY
219 #define CONFIG_BOOTP_HOSTNAME
223 * Command line configuration.
225 #include <config_cmd_default.h>
227 #define CONFIG_CMD_ASKENV
228 #define CONFIG_CMD_DATE
229 #define CONFIG_CMD_DHCP
230 #define CONFIG_CMD_DIAG
231 #define CONFIG_CMD_ELF
232 #define CONFIG_CMD_EEPROM
233 #define CONFIG_CMD_I2C
234 #define CONFIG_CMD_IRQ
235 #define CONFIG_CMD_MII
236 #define CONFIG_CMD_NET
237 #define CONFIG_CMD_NFS
238 #define CONFIG_CMD_PCI
239 #define CONFIG_CMD_PING
240 #define CONFIG_CMD_REGINFO
241 #define CONFIG_CMD_SDRAM
242 #define CONFIG_CMD_SNTP
245 #undef CONFIG_WATCHDOG /* watchdog disabled */
248 * Miscellaneous configurable options
250 #define CFG_LONGHELP /* undef to save memory */
251 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
252 #if defined(CONFIG_CMD_KGDB)
253 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
255 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
257 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
258 #define CFG_MAXARGS 16 /* max number of command args */
259 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
261 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
262 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
264 #define CFG_LOAD_ADDR 0x100000 /* default load address */
265 #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
267 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
269 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
270 #define CONFIG_LOOPW 1 /* enable loopw command */
271 #define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
272 #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
273 #define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
275 /*-----------------------------------------------------------------------
277 *-----------------------------------------------------------------------
280 #define CONFIG_PCI /* include pci support */
281 #define CONFIG_PCI_PNP /* do pci plug-and-play */
282 #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
283 #define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE */
285 /* Board-specific PCI */
286 #define CFG_PCI_TARGET_INIT /* let board init pci target */
288 #define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
289 #define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
292 * For booting Linux, the board info and command line data
293 * have to be in the first 8 MB of memory, since this is
294 * the maximum mapped by the Linux kernel during initialization.
296 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
299 * Internal Definitions
303 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
304 #define BOOTFLAG_WARM 0x02 /* Software reboot */
306 #if defined(CONFIG_CMD_KGDB)
307 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
308 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
311 /* pass open firmware flat tree */
312 #define CONFIG_OF_LIBFDT 1
313 #define CONFIG_OF_BOARD_SETUP 1
315 #endif /* __CONFIG_H */