3 * TsiChung Liew, Freescale Software Engineering, Tsi-Chung.Liew@freescale.
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,
28 * High Level Configuration Options
31 #define CONFIG_MPC8220 1
32 #define CONFIG_ALASKA8220 1 /* ... on Alaska board */
34 /* Input clock running at 30Mhz, read Hid1 for the CPU multiplier to
35 determine the CPU speed. */
36 #define CFG_MPC8220_CLKIN 30000000/* ... running at 30MHz */
37 #define CFG_MPC8220_SYSPLL_VCO_MULTIPLIER 16 /* VCO multiplier can't be read from any register */
39 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
40 #define BOOTFLAG_WARM 0x02 /* Software reboot */
42 #define CFG_CACHELINE_SIZE 32 /* For MPC8220 CPUs */
44 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
45 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
49 * Serial console configuration
52 /* Define this for PSC console
53 #define CONFIG_PSC_CONSOLE 1
56 #define CONFIG_EXTUART_CONSOLE 1
58 #ifdef CONFIG_EXTUART_CONSOLE
59 # define CONFIG_CONS_INDEX 1
60 # define CFG_NS16550_SERIAL
62 # define CFG_NS16550_REG_SIZE 1
63 # define CFG_NS16550_COM1 (CFG_CPLD_BASE + 0x1008)
64 # define CFG_NS16550_CLK 18432000
67 #define CONFIG_BAUDRATE 115200 /* ... at 115200 bps */
69 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
71 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
76 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
92 #define CONFIG_NET_MULTI
94 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
95 #include <cmd_confdefs.h>
100 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
101 #define CONFIG_BOOTARGS "root=/dev/ram rw"
102 #define CONFIG_ETHADDR 00:e0:0c:bc:e0:60
103 #define CONFIG_HAS_ETH1
104 #define CONFIG_ETH1ADDR 00:e0:0c:bc:e0:61
105 #define CONFIG_IPADDR 192.162.1.2
106 #define CONFIG_NETMASK 255.255.255.0
107 #define CONFIG_SERVERIP 192.162.1.1
108 #define CONFIG_GATEWAYIP 192.162.1.1
109 #define CONFIG_HOSTNAME Alaska
110 #define CONFIG_OVERWRITE_ETHADDR_ONCE
116 #define CONFIG_HARD_I2C 1
117 #define CFG_I2C_MODULE 1
119 #define CFG_I2C_SPEED 100000 /* 100 kHz */
120 #define CFG_I2C_SLAVE 0x7F
123 * EEPROM configuration
125 #define CFG_I2C_EEPROM_ADDR 0x52 /* 1011000xb */
126 #define CFG_I2C_EEPROM_ADDR_LEN 1
127 #define CFG_EEPROM_PAGE_WRITE_BITS 3
128 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 70
130 #define CFG_ENV_IS_IN_EEPROM 1
131 #define CFG_ENV_OFFSET 0
132 #define CFG_ENV_SIZE 256
135 /* If CFG_AMD_BOOT is defined, the the system will boot from AMD.
136 else undefined it will boot from Intel Strata flash */
137 #define CFG_AMD_BOOT 1
140 * Flexbus Chipselect configuration
142 #if defined (CFG_AMD_BOOT)
143 #define CFG_CS0_BASE 0xfff0
144 #define CFG_CS0_MASK 0x00080000 /* 512 KB */
145 #define CFG_CS0_CTRL 0x003f0d40
147 #define CFG_CS1_BASE 0xfe00
148 #define CFG_CS1_MASK 0x01000000 /* 16 MB */
149 #define CFG_CS1_CTRL 0x003f1540
151 #define CFG_CS0_BASE 0xff00
152 #define CFG_CS0_MASK 0x01000000 /* 16 MB */
153 #define CFG_CS0_CTRL 0x003f1540
155 #define CFG_CS1_BASE 0xfe08
156 #define CFG_CS1_MASK 0x00080000 /* 512 KB */
157 #define CFG_CS1_CTRL 0x003f0d40
160 #define CFG_CS2_BASE 0xf100
161 #define CFG_CS2_MASK 0x00040000
162 #define CFG_CS2_CTRL 0x003f1140
164 #define CFG_CS3_BASE 0xf200
165 #define CFG_CS3_MASK 0x00040000
166 #define CFG_CS3_CTRL 0x003f1100
169 #define CFG_FLASH0_BASE (CFG_CS0_BASE << 16)
170 #define CFG_FLASH1_BASE (CFG_CS1_BASE << 16)
172 #if defined (CFG_AMD_BOOT)
173 #define CFG_AMD_BASE CFG_FLASH0_BASE
174 #define CFG_INTEL_BASE CFG_FLASH1_BASE + 0xf00000
175 #define CFG_FLASH_BASE CFG_AMD_BASE
177 #define CFG_INTEL_BASE CFG_FLASH0_BASE + 0xf00000
178 #define CFG_AMD_BASE CFG_FLASH1_BASE
179 #define CFG_FLASH_BASE CFG_INTEL_BASE
182 #define CFG_CPLD_BASE (CFG_CS2_BASE << 16)
183 #define CFG_FPGA_BASE (CFG_CS3_BASE << 16)
186 #define CFG_MAX_FLASH_BANKS 4 /* max num of memory banks */
187 #define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
189 #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
190 #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
191 #define CFG_FLASH_LOCK_TOUT 5 /* Timeout for Flash Set Lock Bit (in ms) */
192 #define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */
193 #define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */
195 #define PHYS_AMD_SECT_SIZE 0x00010000 /* 64 KB sectors (x2) */
196 #define PHYS_INTEL_SECT_SIZE 0x00020000 /* 128 KB sectors (x2) */
198 #define CFG_FLASH_CHECKSUM
200 * Environment settings
202 #define CFG_ENV_IS_IN_FLASH 1
203 #if defined (CFG_AMD_BOOT)
204 #define CFG_ENV_ADDR (CFG_FLASH0_BASE + CFG_CS0_MASK - PHYS_AMD_SECT_SIZE)
205 #define CFG_ENV_SIZE PHYS_AMD_SECT_SIZE
206 #define CFG_ENV_SECT_SIZE PHYS_AMD_SECT_SIZE
207 #define CFG_ENV1_ADDR (CFG_FLASH1_BASE + CFG_CS1_MASK - PHYS_INTEL_SECT_SIZE)
208 #define CFG_ENV1_SIZE PHYS_INTEL_SECT_SIZE
209 #define CFG_ENV1_SECT_SIZE PHYS_INTEL_SECT_SIZE
211 #define CFG_ENV_ADDR (CFG_FLASH0_BASE + CFG_CS0_MASK - PHYS_INTEL_SECT_SIZE)
212 #define CFG_ENV_SIZE PHYS_INTEL_SECT_SIZE
213 #define CFG_ENV_SECT_SIZE PHYS_INTEL_SECT_SIZE
214 #define CFG_ENV1_ADDR (CFG_FLASH1_BASE + CFG_CS1_MASK - PHYS_AMD_SECT_SIZE)
215 #define CFG_ENV1_SIZE PHYS_AMD_SECT_SIZE
216 #define CFG_ENV1_SECT_SIZE PHYS_AMD_SECT_SIZE
219 #define CONFIG_ENV_OVERWRITE 1
221 #if defined CFG_ENV_IS_IN_FLASH
222 #undef CFG_ENV_IS_IN_NVRAM
223 #undef CFG_ENV_IS_IN_EEPROM
224 #elif defined CFG_ENV_IS_IN_NVRAM
225 #undef CFG_ENV_IS_IN_FLASH
226 #undef CFG_ENV_IS_IN_EEPROM
227 #elif defined CFG_ENV_IS_IN_EEPROM
228 #undef CFG_ENV_IS_IN_NVRAM
229 #undef CFG_ENV_IS_IN_FLASH
235 #define CFG_MBAR 0xF0000000
236 #define CFG_SDRAM_BASE 0x00000000
237 #define CFG_DEFAULT_MBAR 0x80000000
238 #define CFG_SRAM_BASE (CFG_MBAR + 0x20000)
239 #define CFG_SRAM_SIZE 0x8000
241 /* Use SRAM until RAM will be available */
242 #define CFG_INIT_RAM_ADDR (CFG_MBAR + 0x20000)
243 #define CFG_INIT_RAM_END 0x8000 /* End of used area in DPRAM */
245 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
246 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
247 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
249 #define CFG_MONITOR_BASE TEXT_BASE
250 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
251 # define CFG_RAMBOOT 1
254 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
255 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
256 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
258 /* SDRAM configuration */
259 #define CFG_SDRAM_TOTAL_BANKS 2
260 #define CFG_SDRAM_SPD_I2C_ADDR 0x51 /* 7bit */
261 #define CFG_SDRAM_SPD_SIZE 0x40
262 #define CFG_SDRAM_CAS_LATENCY 4 /* (CL=2)x2 */
264 /* SDRAM drive strength register */
265 #define CFG_SDRAM_DRIVE_STRENGTH ((DRIVE_STRENGTH_LOW << SDRAMDS_SBE_SHIFT) | \
266 (DRIVE_STRENGTH_HIGH << SDRAMDS_SBC_SHIFT) | \
267 (DRIVE_STRENGTH_LOW << SDRAMDS_SBA_SHIFT) | \
268 (DRIVE_STRENGTH_OFF << SDRAMDS_SBS_SHIFT) | \
269 (DRIVE_STRENGTH_LOW << SDRAMDS_SBD_SHIFT))
272 * Ethernet configuration
274 #define CONFIG_MPC8220_FEC 1
275 #define CONFIG_FEC_10MBIT 1 /* Workaround for FEC 100Mbit problem */
276 #define CONFIG_PHY_ADDR 0x18
280 * Miscellaneous configurable options
282 #define CFG_LONGHELP /* undef to save memory */
283 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
284 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
285 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
287 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
289 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
290 #define CFG_MAXARGS 16 /* max number of command args */
291 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
293 #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
294 #define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */
296 #define CFG_LOAD_ADDR 0x100000 /* default load address */
298 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
301 * Various low-level settings
303 #define CFG_HID0_INIT HID0_ICE | HID0_ICFI
304 #define CFG_HID0_FINAL HID0_ICE
310 /* No command line, one static partition */
312 #undef CONFIG_JFFS2_CMDLINE
313 #define CONFIG_JFFS2_DEV "nor0"
314 #define CONFIG_JFFS2_PART_SIZE 0x00400000
315 #define CONFIG_JFFS2_PART_OFFSET 0x00000000
318 /* mtdparts command line support */
320 #define CONFIG_JFFS2_CMDLINE
321 #define MTDIDS_DEFAULT "nor0=alaska-0"
322 #define MTDPARTS_DEFAULT "mtdparts=alaska-0:4m(user)"
325 #endif /* __CONFIG_H */