3 * Heiko Schocher, DENX Software Engineering, hs@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,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_MPC866 1 /* This is a MPC866 CPU */
37 #define CONFIG_MGSUVD 1 /* ...on a mgsuvd board */
39 /* Do boardspecific init */
40 #define CONFIG_BOARD_EARLY_INIT_R 1
42 #define CONFIG_8xx_GCLK_FREQ 66000000
44 #define CONFIG_SYS_SMC_UCODE_PATCH 1 /* Relocate SMC1 */
45 #define CONFIG_SYS_SMC_DPMEM_OFFSET 0x1fc0
46 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
48 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
50 #define CONFIG_BOOTCOUNT_LIMIT
51 #define CONFIG_SYS_CPM_BOOTCOUNT_ADDR 0x1eb0 /* In case of SMC relocation, the
52 * default value is not working */
54 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
56 #define CONFIG_BOARD_TYPES 1 /* support board types */
58 #define CONFIG_PREBOOT "echo;" \
59 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
62 #undef CONFIG_BOOTARGS
64 #define CONFIG_EXTRA_ENV_SETTINGS \
66 "addcons=setenv bootargs ${bootargs} console=ttyCPM0,${baudrate}\0" \
67 "nfsargs=setenv bootargs root=/dev/nfs rw " \
68 "nfsroot=${serverip}:${rootpath}\0" \
69 "ramargs=setenv bootargs root=/dev/ram rw\0" \
70 "addip=setenv bootargs ${bootargs} " \
71 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
72 ":${hostname}:${netdev}:off panic=1\0" \
73 "flash_nfs=run nfsargs addip;" \
74 "bootm ${kernel_addr}\0" \
75 "flash_self=run ramargs addip;" \
76 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
77 "net_nfs=tftp ${kernel_addr} ${bootfile}; " \
78 "tftp ${fdt_addr} ${fdt_file}; run nfsargs addip addcons;" \
79 "bootm ${kernel_addr} - ${fdt_addr}\0" \
80 "rootpath=/opt/eldk/ppc_8xx\0" \
81 "bootfile=/tftpboot/mgsuvd/uImage\0" \
83 "kernel_addr=200000\0" \
84 "fdt_file=/tftpboot/mgsuvd/mgsuvd.dtb\0" \
85 "load=tftp 200000 ${u-boot}\0" \
86 "update=protect off f0000000 +${filesize};" \
87 "erase f0000000 +${filesize};" \
88 "cp.b 200000 f0000000 ${filesize};" \
89 "protect on f0000000 +${filesize}\0" \
91 #define CONFIG_BOOTCOMMAND "run flash_self"
93 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
94 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
96 #undef CONFIG_WATCHDOG /* watchdog disabled */
101 #define CONFIG_BOOTP_SUBNETMASK
102 #define CONFIG_BOOTP_GATEWAY
103 #define CONFIG_BOOTP_HOSTNAME
104 #define CONFIG_BOOTP_BOOTPATH
105 #define CONFIG_BOOTP_BOOTFILESIZE
107 #undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */
109 #define CONFIG_TIMESTAMP /* but print image timestmps */
112 * Command line configuration.
114 #include <config_cmd_default.h>
116 #define CONFIG_CMD_ASKENV
117 #define CONFIG_CMD_DHCP
118 #define CONFIG_CMD_DTT
119 #define CONFIG_CMD_EEPROM
120 #define CONFIG_CMD_I2C
121 #define CONFIG_CMD_NFS
122 #define CONFIG_CMD_PING
125 * Miscellaneous configurable options
127 #define CONFIG_SYS_LONGHELP /* undef to save memory */
128 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
130 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
131 #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
132 #ifdef CONFIG_SYS_HUSH_PARSER
133 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
134 #define CONFIG_HUSH_INIT_VAR 1
137 #if defined(CONFIG_CMD_KGDB)
138 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
140 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
142 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
143 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
144 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
146 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
147 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
149 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
151 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
153 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
156 * Low Level Configuration Settings
157 * (address mappings, register initial values, etc.)
158 * You should know what you are doing if you make changes here.
160 /*-----------------------------------------------------------------------
161 * Internal Memory Mapped Register
163 #define CONFIG_SYS_IMMR 0xFFF00000
165 /*-----------------------------------------------------------------------
166 * Definitions for initial stack pointer and data area (in DPRAM)
168 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
169 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
170 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
171 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
172 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
174 /*-----------------------------------------------------------------------
175 * Start addresses for the final memory configuration
176 * (Set up by the startup code)
177 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
179 #define CONFIG_SYS_SDRAM_BASE 0x00000000
180 #define CONFIG_SYS_FLASH_BASE 0xf0000000
181 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
182 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
183 #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
186 * For booting Linux, the board info and command line data
187 * have to be in the first 8 MB of memory, since this is
188 * the maximum mapped by the Linux kernel during initialization.
190 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
192 /*-----------------------------------------------------------------------
195 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
196 #define CONFIG_SYS_FLASH_SIZE 32
197 #define CONFIG_SYS_FLASH_CFI
198 #define CONFIG_FLASH_CFI_DRIVER
199 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max num of sects on one chip */
202 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
203 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
205 #define CONFIG_ENV_IS_IN_FLASH 1
206 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
207 #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
208 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
210 /* Address and size of Redundant Environment Sector */
211 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
212 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
214 /*-----------------------------------------------------------------------
215 * Cache Configuration
217 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
218 #if defined(CONFIG_CMD_KGDB)
219 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
222 /*-----------------------------------------------------------------------
223 * SYPCR - System Protection Control 11-9
224 * SYPCR can only be written once after reset!
225 *-----------------------------------------------------------------------
226 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
228 #define CONFIG_SYS_SYPCR 0xffffff89
230 /*-----------------------------------------------------------------------
231 * SIUMCR - SIU Module Configuration 11-6
232 *-----------------------------------------------------------------------
234 #define CONFIG_SYS_SIUMCR 0x00610480
236 /*-----------------------------------------------------------------------
237 * TBSCR - Time Base Status and Control 11-26
238 *-----------------------------------------------------------------------
239 * Clear Reference Interrupt Status, Timebase freezing enabled
241 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
243 /*-----------------------------------------------------------------------
244 * PISCR - Periodic Interrupt Status and Control 11-31
245 *-----------------------------------------------------------------------
246 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
248 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
250 /*-----------------------------------------------------------------------
251 * SCCR - System Clock and reset Control Register 15-27
252 *-----------------------------------------------------------------------
253 * Set clock output, timebase and RTC source and divider,
254 * power management and some other internal clocks
256 #define SCCR_MASK 0x01800000
257 #define CONFIG_SYS_SCCR 0x01800000
259 #define CONFIG_SYS_DER 0
262 * Init Memory Controller:
264 * BR0/1 and OR0/1 (FLASH)
267 #define FLASH_BASE0_PRELIM 0xf0000000 /* FLASH bank #0 */
269 /* used to re-map FLASH both when starting from SRAM or FLASH:
270 * restrict access enough to keep SRAM working (if any)
271 * but not too much to meddle with FLASH accesses
273 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
274 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
277 * FLASH timing: Default value of OR0 after reset
279 #define CONFIG_SYS_OR0_PRELIM 0xfe000954
280 #define CONFIG_SYS_BR0_PRELIM 0xf0000401
283 * BR1 and OR1 (SDRAM)
286 #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
287 #define SDRAM_MAX_SIZE (64 << 20) /* max 64 MB per bank */
289 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
290 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
292 #define CONFIG_SYS_OR1_PRELIM 0xfc000800
293 #define CONFIG_SYS_BR1_PRELIM (0x000000C0 | 0x01)
295 #define CONFIG_SYS_MPTPR 0x0200
296 /* PTB=16, AMB=001, FIXME 1 RAS precharge cycles, 1 READ loop cycle (not used),
297 1 Write loop Cycle (not used), 1 Timer Loop Cycle */
298 #define CONFIG_SYS_MBMR 0x10964111
299 #define CONFIG_SYS_MAR 0x00000088
302 * 4096 Rows from SDRAM example configuration
303 * 1000 factor s -> ms
304 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
305 * 4 Number of refresh cycles per period
306 * 64 Refresh cycle in ms per number of rows
308 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
310 /* GPIO/PIGGY on CS3 initialization values
312 #define CONFIG_SYS_PIGGY_BASE (0x30000000)
313 #define CONFIG_SYS_OR3_PRELIM (0xfe000d24)
314 #define CONFIG_SYS_BR3_PRELIM (0x30000401)
317 * Internal Definitions
321 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
322 #define BOOTFLAG_WARM 0x02 /* Software reboot */
324 #define CONFIG_SCC3_ENET
325 #define CONFIG_ETHPRIME "SCC ETHERNET"
326 #define CONFIG_HAS_ETH0
328 /* pass open firmware flat tree */
329 #define CONFIG_OF_LIBFDT 1
330 #define CONFIG_OF_BOARD_SETUP 1
332 #define OF_STDOUT_PATH "/soc/cpm/serial@a80"
334 /* enable I2C and select the hardware/software driver */
335 #undef CONFIG_HARD_I2C /* I2C with hardware support */
336 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
337 #define CONFIG_SYS_I2C_SPEED 50000 /* I2C speed and slave address */
338 #define CONFIG_SYS_I2C_SLAVE 0x7F
339 #define I2C_SOFT_DECLARATIONS
342 * Software (bit-bang) I2C driver configuration
344 #define I2C_BASE_DIR ((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04))
345 #define I2C_BASE_PORT ((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09))
349 #define SDA_CONF 0x1000
350 #define SCL_CONF 0x2000
352 #define I2C_ACTIVE do {} while (0)
353 #define I2C_TRISTATE do {} while (0)
354 #define I2C_READ ((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT)
355 #define I2C_SDA(bit) if(bit) { \
356 clrbits(be16, I2C_BASE_DIR, SDA_CONF); \
358 clrbits(8, I2C_BASE_PORT, SDA_BIT); \
359 setbits(be16, I2C_BASE_DIR, SDA_CONF); \
361 #define I2C_SCL(bit) if(bit) { \
362 clrbits(be16, I2C_BASE_DIR, SCL_CONF); \
364 clrbits(8, I2C_BASE_PORT, SCL_BIT); \
365 setbits(be16, I2C_BASE_DIR, SCL_CONF); \
367 #define I2C_DELAY udelay(50) /* 1/4 I2C clock duration */
369 #define CONFIG_I2C_MULTI_BUS 1
370 #define CONFIG_I2C_CMD_TREE 1
371 #define CONFIG_SYS_MAX_I2C_BUS 2
372 #define CONFIG_SYS_I2C_INIT_BOARD 1
373 #define CONFIG_I2C_MUX 1
376 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
377 #define CONFIG_SYS_I2C_MULTI_EEPROMS 1
378 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
379 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
380 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
382 /* Support the IVM EEprom */
383 #define CONFIG_SYS_IVM_EEPROM_ADR 0x50
384 #define CONFIG_SYS_IVM_EEPROM_MAX_LEN 0x400
385 #define CONFIG_SYS_IVM_EEPROM_PAGE_LEN 0x100
387 /* I2C SYSMON (LM75, AD7414 is almost compatible) */
388 #define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
389 #define CONFIG_DTT_SENSORS {0, 2, 4, 6} /* Sensor addresses */
390 #define CONFIG_SYS_DTT_MAX_TEMP 70
391 #define CONFIG_SYS_DTT_LOW_TEMP -30
392 #define CONFIG_SYS_DTT_HYSTERESIS 3
393 #define CONFIG_SYS_DTT_BUS_NUM (CONFIG_SYS_MAX_I2C_BUS)
395 #endif /* __CONFIG_H */