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_CONS_INDEX 1
45 #define REMOVE_COMMANDS ( CFG_CMD_AUTOSCRIPT | \
50 #define CONFIG_COMMANDS ( (CONFIG_CMD_DFL & ~REMOVE_COMMANDS) |\
54 #define CONFIG_BAUDRATE 19200 /* console baudrate */
56 #define CONFIG_BOOTDELAY 1 /* autoboot after n seconds */
58 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
60 #define CONFIG_SERVERIP 10.0.0.201
61 #define CONFIG_IPADDR 10.0.0.200
62 #define CONFIG_ROOTPATH /opt/eldk/ppc_82xx
63 #define CONFIG_NETMASK 255.255.255.0
64 #undef CONFIG_BOOTARGS
66 /* Boot Linux with NFS root filesystem */
67 #define CONFIG_BOOTCOMMAND \
69 "setenv bootargs console=ttyS0,19200 mem=31M quiet " \
70 "root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
71 "ip=$(ipaddr):$(serverip)::$(netmask):pn62:eth0:off;" \
73 /* "tftpboot 100000 pImage; bootm" */
75 /* Boot Linux with RAMdisk based filesystem (initrd, BusyBox) */
76 #define CONFIG_BOOTCOMMAND \
78 "setenv bootargs console=ttyS0,19200 mem=31M quiet " \
80 "ip=$(ipaddr):$(serverip)::$(netmask):pn62:eth0:off;" \
84 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
85 #include <cmd_confdefs.h>
89 * Miscellaneous configurable options
91 #define CFG_LONGHELP 1 /* undef to save memory */
92 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
93 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
94 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
95 #define CFG_MAXARGS 16 /* max number of command args */
96 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
97 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
98 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
100 #define CONFIG_PRAM 1024 /* reserve 1 MB protected RAM */
102 #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() on init */
104 #define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
109 #define CONFIG_PCI /* include pci support */
110 #define CONFIG_PCI_PNP /* we need Plug 'n Play */
112 #define CONFIG_PCI_SCAN_SHOW /* show PCI auto-scan at boot */
118 #define CONFIG_NET_MULTI /* Multi ethernet cards support */
120 #define CONFIG_PCNET /* there are 2 AMD PCnet 79C973 */
121 #define CONFIG_PCNET_79C973
123 #define _IO_BASE 0xfe000000 /* points to PCI I/O space */
127 * Start addresses for the final memory configuration
128 * (Set up by the startup code)
129 * Please note that CFG_SDRAM_BASE _must_ start at 0
131 #define CFG_SDRAM_BASE 0x00000000
132 #define CFG_MAX_RAM_SIZE 0x10000000
134 #define CFG_RESET_ADDRESS 0xfff00100
137 #define CFG_MONITOR_LEN 0x00030000
138 #define CFG_MONITOR_BASE TEXT_BASE
140 /*#define CFG_GBL_DATA_SIZE 256*/
141 #define CFG_GBL_DATA_SIZE 128
143 #define CFG_INIT_RAM_ADDR 0x40000000
144 #define CFG_INIT_RAM_END 0x1000
145 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
148 #define CFG_NO_FLASH 1 /* There is no FLASH memory */
150 #define CFG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
151 #define CFG_ENV_OFFSET 0x00004000 /* Offset of Environment Sector */
152 #define CFG_ENV_SIZE 0x00002000 /* Total Size of Environment Sector */
154 #define CFG_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */
156 #define CFG_MEMTEST_START 0x00004000 /* memtest works on */
157 #define CFG_MEMTEST_END 0x01f00000 /* 0 ... 32 MB in DRAM */
160 * Serial port configuration
162 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
165 #define CFG_NS16550_SERIAL
167 #define CFG_NS16550_REG_SIZE 1
169 #define CFG_NS16550_CLK 1843200
171 #define CFG_NS16550_COM1 0xff800008
172 #define CFG_NS16550_COM2 0xff800000
175 * Low Level Configuration Settings
176 * (address mappings, register initial values, etc.)
177 * You should know what you are doing if you make changes here.
180 #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
181 #define CONFIG_PLL_PCI_TO_MEM_MULTIPLIER 3
183 #define CFG_EUMB_ADDR 0xFCE00000
186 #define CFG_ROMNAL 3 /* rom/flash next access time */
187 #define CFG_ROMFAL 7 /* rom/flash access time */
190 #define CFG_ASRISE 6 /* ASRISE in clocks */
191 #define CFG_ASFALL 12 /* ASFALL in clocks */
192 #define CFG_REFINT 5600 /* REFINT in clocks */
195 #define CFG_BSTOPRE 0x3cf /* Burst To Precharge */
196 #define CFG_REFREC 2 /* Refresh to activate interval */
197 #define CFG_RDLAT 3 /* data latency from read command */
200 #define CFG_PRETOACT 1 /* Precharge to activate interval */
201 #define CFG_ACTTOPRE 3 /* Activate to Precharge interval */
202 #define CFG_ACTORW 2 /* Activate to R/W */
203 #define CFG_SDMODE_CAS_LAT 2 /* SDMODE CAS latency */
204 #define CFG_SDMODE_WRAP 0 /* SDMODE Wrap type */
205 #define CFG_SDMODE_BURSTLEN 2 /* SDMODE Burst length 2=4, 3=8 */
206 #define CFG_REGISTERD_TYPE_BUFFER 1
208 /* Memory bank settings:
210 * only bits 20-29 are actually used from these vales to set the
211 * start/qend address the upper two bits will be 0, and the lower 20
212 * bits will be set to 0x00000 for a start address, or 0xfffff for an
215 #define CFG_BANK0_START 0x00000000
216 #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
217 #define CFG_BANK0_ENABLE 1
218 #define CFG_BANK1_START 0x00000000
219 #define CFG_BANK1_END 0x00000000
220 #define CFG_BANK1_ENABLE 0
221 #define CFG_BANK2_START 0x00000000
222 #define CFG_BANK2_END 0x00000000
223 #define CFG_BANK2_ENABLE 0
224 #define CFG_BANK3_START 0x00000000
225 #define CFG_BANK3_END 0x00000000
226 #define CFG_BANK3_ENABLE 0
227 #define CFG_BANK4_START 0x00000000
228 #define CFG_BANK4_END 0x00000000
229 #define CFG_BANK4_ENABLE 0
230 #define CFG_BANK5_START 0x00000000
231 #define CFG_BANK5_END 0x00000000
232 #define CFG_BANK5_ENABLE 0
233 #define CFG_BANK6_START 0x00000000
234 #define CFG_BANK6_END 0x00000000
235 #define CFG_BANK6_ENABLE 0
236 #define CFG_BANK7_START 0x00000000
237 #define CFG_BANK7_END 0x00000000
238 #define CFG_BANK7_ENABLE 0
241 * Memory bank enable bitmask, specifying which of the banks defined above
242 * are actually present. MSB is for bank #7, LSB is for bank #0.
244 #define CFG_BANK_ENABLE 0x01
246 #define CFG_ODCR 0xff /* configures line driver impedances, */
247 /* see 8240 book for bit definitions */
248 #define CFG_PGMAX 0x32 /* how long the 8240 retains the */
249 /* currently accessed page in memory */
250 /* see 8240 book for details */
252 /* SDRAM 0 - 256MB */
253 #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
254 #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
256 #define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
257 #define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
259 /* PCI memory space */
260 #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
261 #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
263 /* Config addrs, etc */
264 #define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
265 #define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
267 #define CFG_DBAT0L CFG_IBAT0L
268 #define CFG_DBAT0U CFG_IBAT0U
269 #define CFG_DBAT1L CFG_IBAT1L
270 #define CFG_DBAT1U CFG_IBAT1U
271 #define CFG_DBAT2L CFG_IBAT2L
272 #define CFG_DBAT2U CFG_IBAT2U
273 #define CFG_DBAT3L CFG_IBAT3L
274 #define CFG_DBAT3U CFG_IBAT3U
277 * For booting Linux, the board info and command line data
278 * have to be in the first 8 MB of memory, since this is
279 * the maximum mapped by the Linux kernel during initialization.
281 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
284 * Cache Configuration
286 #define CFG_CACHELINE_SIZE 32 /* For MPC8240 CPU */
287 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
288 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
293 * Internal Definitions
297 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
298 #define BOOTFLAG_WARM 0x02 /* Software reboot */
301 #endif /* __CONFIG_H */