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!!! ;-) */
53 #define CONFIG_COMMANDS ((CONFIG_CMD_DFL | \
59 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
60 #include <cmd_confdefs.h>
61 #define CONFIG_BOOTDELAY 3
63 #define CFG_PROMPT "=> "
64 #define CFG_LONGHELP /* undef to save memory */
66 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
67 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
69 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
71 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
72 #define CFG_MAXARGS 16 /* max number of command args */
73 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
75 #define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
76 #define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
77 #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
78 #define CONFIG_LOOPW 1 /* enable loopw command */
79 #define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
81 #define CFG_LOAD_ADDR 0x200000 /* default load address */
83 #define CFG_MEMTEST_START 0x400
84 #define CFG_MEMTEST_END 0x380000
89 * Clock configuration: enable only one of the following options
92 #if 0 /* this setting will run the cpu at 11MHz */
93 #define CFG_PLL_BYPASS 1 /* bypass PLL for test purpose */
94 #undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
95 #define CFG_CLK 11289600 /* PLL bypass */
98 #if 0 /* this setting will run the cpu at 70MHz */
99 #undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
100 #undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
101 #define CFG_CLK 72185018 /* The next lower speed */
104 #if 1 /* this setting will run the cpu at 140MHz */
105 #undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
106 #define CFG_FAST_CLK 1 /* MCF5249 can run at 140MHz */
107 #define CFG_CLK 132025600 /* MCF5249 can run at 140MHz */
111 * Low Level Configuration Settings
112 * (address mappings, register initial values, etc.)
113 * You should know what you are doing if you make changes here.
116 #define CFG_MBAR 0x10000000 /* Register Base Addrs */
117 #define CFG_MBAR2 0x80000000
119 /*-----------------------------------------------------------------------
122 #define CONFIG_SOFT_I2C
123 #define CFG_I2C_SPEED 100000 /* I2C speed and slave address */
124 #define CFG_I2C_SLAVE 0x7F
125 #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC32 */
126 #define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
127 /* mask of address bits that overflow into the "EEPROM chip address" */
128 #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x01
129 #define CFG_EEPROM_PAGE_WRITE_BITS 5 /* The Catalyst CAT24WC32 has */
130 /* 32 byte page write mode using*/
131 /* last 5 bits of the address */
132 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
133 #define CFG_EEPROM_PAGE_WRITE_ENABLE
135 #if defined (CONFIG_SOFT_I2C)
136 #if 0 /* push-pull */
137 #define SDA 0x00800000
138 #define SCL 0x00000008
139 #define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
140 #define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
141 #define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
142 #define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
143 #define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
144 #define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
145 #define I2C_INIT {OUT1|=SDA;OUT0|=SCL;}
146 #define I2C_READ ((IN1&SDA)?1:0)
147 #define I2C_SDA(x) {if(x)OUT1|=SDA;else OUT1&=~SDA;}
148 #define I2C_SCL(x) {if(x)OUT0|=SCL;else OUT0&=~SCL;}
149 #define I2C_DELAY {udelay(5);}
150 #define I2C_ACTIVE {DIR1|=SDA;}
151 #define I2C_TRISTATE {DIR1&=~SDA;}
152 #else /* open-collector */
153 #define SDA 0x00800000
154 #define SCL 0x00000008
155 #define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
156 #define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
157 #define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
158 #define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
159 #define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
160 #define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
161 #define I2C_INIT {DIR1&=~SDA;DIR0&=~SCL;OUT1&=~SDA;OUT0&=~SCL;}
162 #define I2C_READ ((IN1&SDA)?1:0)
163 #define I2C_SDA(x) {if(x)DIR1&=~SDA;else DIR1|=SDA;}
164 #define I2C_SCL(x) {if(x)DIR0&=~SCL;else DIR0|=SCL;}
165 #define I2C_DELAY {udelay(5);}
166 #define I2C_ACTIVE {DIR1|=SDA;}
167 #define I2C_TRISTATE {DIR1&=~SDA;}
171 /*-----------------------------------------------------------------------
172 * Definitions for initial stack pointer and data area (in DPRAM)
174 #define CFG_INIT_RAM_ADDR 0x20000000
175 #define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
176 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
177 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
178 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
180 #define CFG_ENV_IS_IN_FLASH 1
181 #define CFG_ENV_ADDR 0xFFC40000 /* Address of Environment Sector*/
182 #define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
183 #define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
185 /*-----------------------------------------------------------------------
186 * Start addresses for the final memory configuration
187 * (Set up by the startup code)
188 * Please note that CFG_SDRAM_BASE _must_ start at 0
190 #define CFG_SDRAM_BASE 0x00000000
191 #define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */
192 #define CFG_FLASH_BASE 0xffc00000
194 #if 0 /* test-only */
195 #define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
198 #define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
200 #define CFG_MONITOR_LEN 0x20000
201 #define CFG_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */
202 #define CFG_BOOTPARAMS_LEN 64*1024
205 * For booting Linux, the board info and command line data
206 * have to be in the first 8 MB of memory, since this is
207 * the maximum mapped by the Linux kernel during initialization ??
209 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
211 /*-----------------------------------------------------------------------
214 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
215 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
217 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
218 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
220 #define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
221 #define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
222 #define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
224 * The following defines are added for buggy IOP480 byte interface.
225 * All other boards should use the standard values (CPCI405 etc.)
227 #define CFG_FLASH_READ0 0x0000 /* 0 is standard */
228 #define CFG_FLASH_READ1 0x0001 /* 1 is standard */
229 #define CFG_FLASH_READ2 0x0002 /* 2 is standard */
231 #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
233 /*-----------------------------------------------------------------------
234 * Cache Configuration
236 #define CFG_CACHELINE_SIZE 16
238 /*-----------------------------------------------------------------------
239 * Memory bank definitions
242 /* CS0 - AMD Flash, address 0xffc00000 */
243 #define CFG_CSAR0 0xffc0
244 #define CFG_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */
245 /** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/
246 #define CFG_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */
248 /* CS1 - FPGA, address 0xe0000000 */
249 #define CFG_CSAR1 0xe000
250 #define CFG_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */
251 #define CFG_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/
253 /*-----------------------------------------------------------------------
256 #define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
257 #define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/
258 #define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */
259 #define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */
260 #define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */
261 #define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
263 #define CFG_GPIO1_LED 0x00400000 /* user led */
265 /*-----------------------------------------------------------------------
268 #define CFG_FPGA_SPARTAN2 1 /* using Xilinx Spartan 2 now */
269 #define CFG_FPGA_MAX_SIZE 512*1024 /* 512kByte is enough for XC2S200*/
271 /* FPGA program pin configuration */
272 #define CFG_FPGA_PRG 0x00010000 /* FPGA program pin (ppc output) */
273 #define CFG_FPGA_CLK 0x00040000 /* FPGA clk pin (ppc output) */
274 #define CFG_FPGA_DATA 0x00020000 /* FPGA data pin (ppc output) */
275 #define CFG_FPGA_INIT 0x00080000 /* FPGA init pin (ppc input) */
276 #define CFG_FPGA_DONE 0x00100000 /* FPGA done pin (ppc input) */
278 #endif /* _TASREG_H */