2 * Configuation settings for the esd TASREG board.
5 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * board/config.h - configuration options, board specific
34 #include <asm/m5249.h>
38 * High Level Configuration Options
41 #define CONFIG_MCF52x2 /* define processor family */
42 #define CONFIG_M5249 /* define processor type */
44 #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
46 #define CONFIG_BAUDRATE 19200
47 #define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
49 #undef CONFIG_WATCHDOG
51 #undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */
57 #define CONFIG_BOOTP_BOOTFILESIZE
58 #define CONFIG_BOOTP_BOOTPATH
59 #define CONFIG_BOOTP_GATEWAY
60 #define CONFIG_BOOTP_HOSTNAME
64 * Command line configuration.
66 #include <config_cmd_default.h>
68 #define CONFIG_CMD_BSP
69 #define CONFIG_CMD_EEPROM
70 #define CONFIG_CMD_I2C
75 #define CONFIG_BOOTDELAY 3
77 #define CFG_PROMPT "=> "
78 #define CFG_LONGHELP /* undef to save memory */
80 #if defined(CONFIG_CMD_KGDB)
81 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
83 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
85 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
86 #define CFG_MAXARGS 16 /* max number of command args */
87 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
89 #define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
90 #define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
91 #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
92 #define CONFIG_LOOPW 1 /* enable loopw command */
93 #define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
95 #define CFG_LOAD_ADDR 0x200000 /* default load address */
97 #define CFG_MEMTEST_START 0x400
98 #define CFG_MEMTEST_END 0x380000
103 * Clock configuration: enable only one of the following options
106 #if 0 /* this setting will run the cpu at 11MHz */
107 #define CFG_PLL_BYPASS 1 /* bypass PLL for test purpose */
108 #undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
109 #define CFG_CLK 11289600 /* PLL bypass */
112 #if 0 /* this setting will run the cpu at 70MHz */
113 #undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
114 #undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
115 #define CFG_CLK 72185018 /* The next lower speed */
118 #if 1 /* this setting will run the cpu at 140MHz */
119 #undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
120 #define CFG_FAST_CLK 1 /* MCF5249 can run at 140MHz */
121 #define CFG_CLK 132025600 /* MCF5249 can run at 140MHz */
125 * Low Level Configuration Settings
126 * (address mappings, register initial values, etc.)
127 * You should know what you are doing if you make changes here.
130 #define CFG_MBAR 0x10000000 /* Register Base Addrs */
131 #define CFG_MBAR2 0x80000000
133 /*-----------------------------------------------------------------------
136 #define CONFIG_SOFT_I2C
137 #define CFG_I2C_SPEED 100000 /* I2C speed and slave address */
138 #define CFG_I2C_SLAVE 0x7F
139 #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC32 */
140 #define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
141 /* mask of address bits that overflow into the "EEPROM chip address" */
142 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x01
143 #define CFG_EEPROM_PAGE_WRITE_BITS 5 /* The Catalyst CAT24WC32 has */
144 /* 32 byte page write mode using*/
145 /* last 5 bits of the address */
146 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
147 #define CFG_EEPROM_PAGE_WRITE_ENABLE
149 #if defined (CONFIG_SOFT_I2C)
150 #if 0 /* push-pull */
151 #define SDA 0x00800000
152 #define SCL 0x00000008
153 #define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
154 #define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
155 #define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
156 #define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
157 #define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
158 #define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
159 #define I2C_INIT {OUT1|=SDA;OUT0|=SCL;}
160 #define I2C_READ ((IN1&SDA)?1:0)
161 #define I2C_SDA(x) {if(x)OUT1|=SDA;else OUT1&=~SDA;}
162 #define I2C_SCL(x) {if(x)OUT0|=SCL;else OUT0&=~SCL;}
163 #define I2C_DELAY {udelay(5);}
164 #define I2C_ACTIVE {DIR1|=SDA;}
165 #define I2C_TRISTATE {DIR1&=~SDA;}
166 #else /* open-collector */
167 #define SDA 0x00800000
168 #define SCL 0x00000008
169 #define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
170 #define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
171 #define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
172 #define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
173 #define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
174 #define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
175 #define I2C_INIT {DIR1&=~SDA;DIR0&=~SCL;OUT1&=~SDA;OUT0&=~SCL;}
176 #define I2C_READ ((IN1&SDA)?1:0)
177 #define I2C_SDA(x) {if(x)DIR1&=~SDA;else DIR1|=SDA;}
178 #define I2C_SCL(x) {if(x)DIR0&=~SCL;else DIR0|=SCL;}
179 #define I2C_DELAY {udelay(5);}
180 #define I2C_ACTIVE {DIR1|=SDA;}
181 #define I2C_TRISTATE {DIR1&=~SDA;}
185 /*-----------------------------------------------------------------------
186 * Definitions for initial stack pointer and data area (in DPRAM)
188 #define CFG_INIT_RAM_ADDR 0x20000000
189 #define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
190 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
191 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
192 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
194 #define CFG_ENV_IS_IN_FLASH 1
195 #define CFG_ENV_ADDR 0xFFC40000 /* Address of Environment Sector*/
196 #define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
197 #define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
199 /*-----------------------------------------------------------------------
200 * Start addresses for the final memory configuration
201 * (Set up by the startup code)
202 * Please note that CFG_SDRAM_BASE _must_ start at 0
204 #define CFG_SDRAM_BASE 0x00000000
205 #define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */
206 #define CFG_FLASH_BASE 0xffc00000
208 #if 0 /* test-only */
209 #define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
212 #define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
214 #define CFG_MONITOR_LEN 0x20000
215 #define CFG_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */
216 #define CFG_BOOTPARAMS_LEN 64*1024
219 * For booting Linux, the board info and command line data
220 * have to be in the first 8 MB of memory, since this is
221 * the maximum mapped by the Linux kernel during initialization ??
223 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
225 /*-----------------------------------------------------------------------
228 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
229 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
231 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
232 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
234 #define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
235 #define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
236 #define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
238 * The following defines are added for buggy IOP480 byte interface.
239 * All other boards should use the standard values (CPCI405 etc.)
241 #define CFG_FLASH_READ0 0x0000 /* 0 is standard */
242 #define CFG_FLASH_READ1 0x0001 /* 1 is standard */
243 #define CFG_FLASH_READ2 0x0002 /* 2 is standard */
245 #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
247 /*-----------------------------------------------------------------------
248 * Cache Configuration
250 #define CFG_CACHELINE_SIZE 16
252 /*-----------------------------------------------------------------------
253 * Memory bank definitions
256 /* CS0 - AMD Flash, address 0xffc00000 */
257 #define CFG_CSAR0 0xffc0
258 #define CFG_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */
259 /** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/
260 #define CFG_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */
262 /* CS1 - FPGA, address 0xe0000000 */
263 #define CFG_CSAR1 0xe000
264 #define CFG_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */
265 #define CFG_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/
267 /*-----------------------------------------------------------------------
270 #define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
271 #define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/
272 #define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */
273 #define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */
274 #define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */
275 #define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
277 #define CFG_GPIO1_LED 0x00400000 /* user led */
279 /*-----------------------------------------------------------------------
282 #define CFG_FPGA_SPARTAN2 1 /* using Xilinx Spartan 2 now */
283 #define CFG_FPGA_MAX_SIZE 512*1024 /* 512kByte is enough for XC2S200*/
285 /* FPGA program pin configuration */
286 #define CFG_FPGA_PRG 0x00010000 /* FPGA program pin (ppc output) */
287 #define CFG_FPGA_CLK 0x00040000 /* FPGA clk pin (ppc output) */
288 #define CFG_FPGA_DATA 0x00020000 /* FPGA data pin (ppc output) */
289 #define CFG_FPGA_INIT 0x00080000 /* FPGA init pin (ppc input) */
290 #define CFG_FPGA_DONE 0x00100000 /* FPGA done pin (ppc input) */
292 #endif /* _TASREG_H */