3 * Wolfgang Grandegger, DENX Software Engineering, wg@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 /* ------------------------------------------------------------------------- */
27 * board/config.h - configuration options, board specific
34 * High Level Configuration Options
38 #define CONFIG_MPC824X 1
39 #define CONFIG_MPC8240 1
42 #define CONFIG_SYS_TEXT_BASE 0xFFF00000
44 #define CONFIG_CONS_INDEX 1
50 #define CONFIG_BOOTP_BOOTFILESIZE
51 #define CONFIG_BOOTP_BOOTPATH
52 #define CONFIG_BOOTP_GATEWAY
53 #define CONFIG_BOOTP_HOSTNAME
57 * Command line configuration.
59 #include <config_cmd_default.h>
61 #define CONFIG_CMD_PCI
62 #define CONFIG_CMD_BSP
64 #undef CONFIG_CMD_FLASH
65 #undef CONFIG_CMD_IMLS
66 #undef CONFIG_CMD_LOADS
67 #undef CONFIG_CMD_SAVEENV
68 #undef CONFIG_CMD_SOURCE
71 #define CONFIG_BAUDRATE 19200 /* console baudrate */
73 #define CONFIG_BOOTDELAY 1 /* autoboot after n seconds */
75 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
77 #define CONFIG_SERVERIP 10.0.0.201
78 #define CONFIG_IPADDR 10.0.0.200
79 #define CONFIG_ROOTPATH "/opt/eldk/ppc_82xx"
80 #define CONFIG_NETMASK 255.255.255.0
81 #undef CONFIG_BOOTARGS
83 /* Boot Linux with NFS root filesystem */
84 #define CONFIG_BOOTCOMMAND \
86 "setenv bootargs console=ttyS0,19200 mem=31M quiet " \
87 "root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
88 "ip=${ipaddr}:${serverip}::${netmask}:pn62:eth0:off;" \
90 /* "tftpboot 100000 uImage; bootm" */
92 /* Boot Linux with RAMdisk based filesystem (initrd, BusyBox) */
93 #define CONFIG_BOOTCOMMAND \
95 "setenv bootargs console=ttyS0,19200 mem=31M quiet " \
97 "ip=${ipaddr}:${serverip}::${netmask}:pn62:eth0:off;" \
102 * Miscellaneous configurable options
104 #define CONFIG_SYS_LONGHELP 1 /* undef to save memory */
105 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
106 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
107 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
108 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
109 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
110 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
111 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
113 #define CONFIG_PRAM 1024 /* reserve 1 MB protected RAM */
115 #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() on init */
117 #define CONFIG_HAS_ETH1 1 /* add support for eth1addr */
119 #define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
124 #define CONFIG_PCI /* include pci support */
125 #define CONFIG_PCI_PNP /* we need Plug 'n Play */
127 #define CONFIG_PCI_SCAN_SHOW /* show PCI auto-scan at boot */
134 #define CONFIG_PCNET /* there are 2 AMD PCnet 79C973 */
135 #define CONFIG_PCNET_79C973
137 #define _IO_BASE 0xfe000000 /* points to PCI I/O space */
141 * Start addresses for the final memory configuration
142 * (Set up by the startup code)
143 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
145 #define CONFIG_SYS_SDRAM_BASE 0x00000000
146 #define CONFIG_SYS_MAX_RAM_SIZE 0x10000000
148 #define CONFIG_SYS_RESET_ADDRESS 0xfff00100
150 #undef CONFIG_SYS_RAMBOOT
151 #define CONFIG_SYS_MONITOR_LEN 0x00030000
152 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
155 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
156 #define CONFIG_SYS_INIT_RAM_SIZE 0x1000
157 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
160 #define CONFIG_SYS_NO_FLASH 1 /* There is no FLASH memory */
162 #define CONFIG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
163 #define CONFIG_ENV_OFFSET 0x00004000 /* Offset of Environment Sector */
164 #define CONFIG_ENV_SIZE 0x00002000 /* Total Size of Environment Sector */
166 #define CONFIG_SYS_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */
168 #define CONFIG_SYS_MEMTEST_START 0x00004000 /* memtest works on */
169 #define CONFIG_SYS_MEMTEST_END 0x01f00000 /* 0 ... 32 MB in DRAM */
172 * Serial port configuration
175 #define CONFIG_SYS_NS16550
176 #define CONFIG_SYS_NS16550_SERIAL
178 #define CONFIG_SYS_NS16550_REG_SIZE 1
180 #define CONFIG_SYS_NS16550_CLK 1843200
182 #define CONFIG_SYS_NS16550_COM1 0xff800008
183 #define CONFIG_SYS_NS16550_COM2 0xff800000
186 * Low Level Configuration Settings
187 * (address mappings, register initial values, etc.)
188 * You should know what you are doing if you make changes here.
191 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
192 #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 3
194 #define CONFIG_SYS_EUMB_ADDR 0xFCE00000
197 #define CONFIG_SYS_ROMNAL 3 /* rom/flash next access time */
198 #define CONFIG_SYS_ROMFAL 7 /* rom/flash access time */
201 #define CONFIG_SYS_ASRISE 6 /* ASRISE in clocks */
202 #define CONFIG_SYS_ASFALL 12 /* ASFALL in clocks */
203 #define CONFIG_SYS_REFINT 5600 /* REFINT in clocks */
206 #define CONFIG_SYS_BSTOPRE 0x3cf /* Burst To Precharge */
207 #define CONFIG_SYS_REFREC 2 /* Refresh to activate interval */
208 #define CONFIG_SYS_RDLAT 3 /* data latency from read command */
211 #define CONFIG_SYS_PRETOACT 1 /* Precharge to activate interval */
212 #define CONFIG_SYS_ACTTOPRE 3 /* Activate to Precharge interval */
213 #define CONFIG_SYS_ACTORW 2 /* Activate to R/W */
214 #define CONFIG_SYS_SDMODE_CAS_LAT 2 /* SDMODE CAS latency */
215 #define CONFIG_SYS_SDMODE_WRAP 0 /* SDMODE Wrap type */
216 #define CONFIG_SYS_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
217 #define CONFIG_SYS_REGISTERD_TYPE_BUFFER 1
219 /* Memory bank settings:
221 * only bits 20-29 are actually used from these vales to set the
222 * start/qend address the upper two bits will be 0, and the lower 20
223 * bits will be set to 0x00000 for a start address, or 0xfffff for an
226 #define CONFIG_SYS_BANK0_START 0x00000000
227 #define CONFIG_SYS_BANK0_END (CONFIG_SYS_MAX_RAM_SIZE - 1)
228 #define CONFIG_SYS_BANK0_ENABLE 1
229 #define CONFIG_SYS_BANK1_START 0x00000000
230 #define CONFIG_SYS_BANK1_END 0x00000000
231 #define CONFIG_SYS_BANK1_ENABLE 0
232 #define CONFIG_SYS_BANK2_START 0x00000000
233 #define CONFIG_SYS_BANK2_END 0x00000000
234 #define CONFIG_SYS_BANK2_ENABLE 0
235 #define CONFIG_SYS_BANK3_START 0x00000000
236 #define CONFIG_SYS_BANK3_END 0x00000000
237 #define CONFIG_SYS_BANK3_ENABLE 0
238 #define CONFIG_SYS_BANK4_START 0x00000000
239 #define CONFIG_SYS_BANK4_END 0x00000000
240 #define CONFIG_SYS_BANK4_ENABLE 0
241 #define CONFIG_SYS_BANK5_START 0x00000000
242 #define CONFIG_SYS_BANK5_END 0x00000000
243 #define CONFIG_SYS_BANK5_ENABLE 0
244 #define CONFIG_SYS_BANK6_START 0x00000000
245 #define CONFIG_SYS_BANK6_END 0x00000000
246 #define CONFIG_SYS_BANK6_ENABLE 0
247 #define CONFIG_SYS_BANK7_START 0x00000000
248 #define CONFIG_SYS_BANK7_END 0x00000000
249 #define CONFIG_SYS_BANK7_ENABLE 0
252 * Memory bank enable bitmask, specifying which of the banks defined above
253 * are actually present. MSB is for bank #7, LSB is for bank #0.
255 #define CONFIG_SYS_BANK_ENABLE 0x01
257 #define CONFIG_SYS_ODCR 0xff /* configures line driver impedances, */
258 /* see 8240 book for bit definitions */
259 #define CONFIG_SYS_PGMAX 0x32 /* how long the 8240 retains the */
260 /* currently accessed page in memory */
261 /* see 8240 book for details */
263 /* SDRAM 0 - 256MB */
264 #define CONFIG_SYS_IBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
265 #define CONFIG_SYS_IBAT0U (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
267 #define CONFIG_SYS_IBAT1L (CONFIG_SYS_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
268 #define CONFIG_SYS_IBAT1U (CONFIG_SYS_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
270 /* PCI memory space */
271 #define CONFIG_SYS_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
272 #define CONFIG_SYS_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
274 /* Config addrs, etc */
275 #define CONFIG_SYS_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
276 #define CONFIG_SYS_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
278 #define CONFIG_SYS_DBAT0L CONFIG_SYS_IBAT0L
279 #define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT0U
280 #define CONFIG_SYS_DBAT1L CONFIG_SYS_IBAT1L
281 #define CONFIG_SYS_DBAT1U CONFIG_SYS_IBAT1U
282 #define CONFIG_SYS_DBAT2L CONFIG_SYS_IBAT2L
283 #define CONFIG_SYS_DBAT2U CONFIG_SYS_IBAT2U
284 #define CONFIG_SYS_DBAT3L CONFIG_SYS_IBAT3L
285 #define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
288 * For booting Linux, the board info and command line data
289 * have to be in the first 8 MB of memory, since this is
290 * the maximum mapped by the Linux kernel during initialization.
292 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
295 * Cache Configuration
297 #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8240 CPU */
298 #if defined(CONFIG_CMD_KGDB)
299 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
302 #endif /* __CONFIG_H */