3 * Wolfgang Denk, DENX Software Engineering, wd@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_MPC850 1 /* This is a MPC850 CPU */
37 #define CONFIG_ETX094 1 /* ...on a ETX_094 board */
39 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
40 #undef CONFIG_8xx_CONS_SMC2
41 #undef CONFIG_8xx_CONS_NONE
42 #define CONFIG_BAUDRATE 57600
44 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
46 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
49 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
51 #define CONFIG_BOARD_TYPES 1 /* support board types */
53 #define CONFIG_FLASH_16BIT /* for board with 16bit wide flash */
54 #undef SB_ETX094 /* only for SB-Board with 16MB SDRAM */
55 #define CONFIG_BOOTP_RANDOM_DELAY /* graceful BOOTP recovery mode */
57 #define CONFIG_ETHADDR 08:00:06:00:00:00
60 #define CONFIG_OVERWRITE_ETHADDR_ONCE 1 /* default MAC can be overwritten once */
63 #undef CONFIG_BOOTARGS
64 #define CONFIG_RAMBOOTCOMMAND \
66 "setenv bootargs root=/dev/ram rw ramdisk_size=4690 " \
67 "U-Boot_version=U-Boot-1.0.x-Date " \
69 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
71 #define CONFIG_NFSBOOTCOMMAND \
73 "setenv bootargs root=/dev/nfs rw nfsroot=${nfsip}:${rootpath} " \
74 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
76 #define CONFIG_BOOTCOMMAND CONFIG_RAMBOOTCOMMAND
78 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
79 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
81 #define CONFIG_WATCHDOG 1 /* watchdog enabled */
83 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
89 #define CONFIG_BOOTP_SUBNETMASK
90 #define CONFIG_BOOTP_GATEWAY
91 #define CONFIG_BOOTP_HOSTNAME
92 #define CONFIG_BOOTP_BOOTPATH
93 #define CONFIG_BOOTP_BOOTFILESIZE
97 * Command line configuration.
99 #include <config_cmd_default.h>
103 * Miscellaneous configurable options
105 #define CFG_LONGHELP /* undef to save memory */
106 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
107 #if defined(CONFIG_CMD_KGDB)
108 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
110 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
112 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
113 #define CFG_MAXARGS 16 /* max number of command args */
114 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
116 #define CFG_MEMTEST_START 0x0300000 /* memtest works on */
117 #define CFG_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */
119 #define CFG_LOAD_ADDR 0x100000 /* default load address */
121 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
123 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
126 * Low Level Configuration Settings
127 * (address mappings, register initial values, etc.)
128 * You should know what you are doing if you make changes here.
130 /*-----------------------------------------------------------------------
131 * Internal Memory Mapped Register
133 #define CFG_IMMR 0xFFF00000
135 /*-----------------------------------------------------------------------
136 * Definitions for initial stack pointer and data area (in DPRAM)
138 #define CFG_INIT_RAM_ADDR CFG_IMMR
139 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
140 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
141 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
142 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
144 /*-----------------------------------------------------------------------
145 * Start addresses for the final memory configuration
146 * (Set up by the startup code)
147 * Please note that CFG_SDRAM_BASE _must_ start at 0
149 #define CFG_SDRAM_BASE 0x00000000
150 #define CFG_FLASH_BASE 0x40000000
152 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
154 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
156 #define CFG_MONITOR_BASE CFG_FLASH_BASE
157 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
160 * For booting Linux, the board info and command line data
161 * have to be in the first 8 MB of memory, since this is
162 * the maximum mapped by the Linux kernel during initialization.
164 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
165 /*-----------------------------------------------------------------------
168 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
169 #define CFG_MAX_FLASH_SECT 35 /* max number of sectors on one chip */
171 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
172 #define CFG_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
174 #define CFG_ENV_IS_IN_FLASH 1
175 #ifdef CONFIG_FLASH_16BIT
176 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
177 #define CFG_ENV_SIZE 0x8000 /* Total Size of Environment Sector */
179 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
180 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
183 /*-----------------------------------------------------------------------
184 * Hardware Information Block
186 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
187 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
188 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
190 /*-----------------------------------------------------------------------
191 * Cache Configuration
193 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
194 #if defined(CONFIG_CMD_KGDB)
195 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
198 /*-----------------------------------------------------------------------
199 * SYPCR - System Protection Control 11-9
200 * SYPCR can only be written once after reset!
201 *-----------------------------------------------------------------------
202 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
204 #if defined(CONFIG_WATCHDOG)
205 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
206 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
208 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
209 #endif /* CONFIG_WATCHDOG */
211 /*-----------------------------------------------------------------------
212 * SIUMCR - SIU Module Configuration 11-6
213 *-----------------------------------------------------------------------
214 * PCMCIA config., multi-function pin tri-state
216 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
218 /*-----------------------------------------------------------------------
219 * TBSCR - Time Base Status and Control 11-26
220 *-----------------------------------------------------------------------
221 * Clear Reference Interrupt Status, Timebase freezing enabled
223 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
225 /*-----------------------------------------------------------------------
226 * RTCSC - Real-Time Clock Status and Control Register 11-27
227 *-----------------------------------------------------------------------
229 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
231 /*-----------------------------------------------------------------------
232 * PISCR - Periodic Interrupt Status and Control 11-31
233 *-----------------------------------------------------------------------
234 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
236 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
238 /*-----------------------------------------------------------------------
239 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
240 *-----------------------------------------------------------------------
241 * Reset PLL lock status sticky bit, timer expired status bit and timer
242 * interrupt status bit - leave PLL multiplication factor unchanged !
244 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
246 /*-----------------------------------------------------------------------
247 * SCCR - System Clock and reset Control Register 15-27
248 *-----------------------------------------------------------------------
249 * Set clock output, timebase and RTC source and divider,
250 * power management and some other internal clocks
252 #define SCCR_MASK SCCR_EBDF11
253 #define CFG_SCCR (SCCR_TBS | \
254 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
255 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
258 /*-----------------------------------------------------------------------
260 *-----------------------------------------------------------------------
263 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
264 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
265 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
266 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
267 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
268 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
269 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
270 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
272 /*-----------------------------------------------------------------------
274 *-----------------------------------------------------------------------
280 * Init Memory Controller:
282 * BR0/1 and OR0/1 (FLASH)
285 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
286 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
288 /* used to re-map FLASH both when starting from SRAM or FLASH:
289 * restrict access enough to keep SRAM working (if any)
290 * but not too much to meddle with FLASH accesses
292 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
293 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
295 /* FLASH timing: ACS = 11, TRLX = 1, CSNT = 0, SCY = 2, EHTR = 0 */
296 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | \
297 OR_SCY_2_CLK | OR_TRLX )
299 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
300 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
302 #ifdef CONFIG_FLASH_16BIT /* 16 bit data port */
303 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_16)
304 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V | BR_PS_16)
305 #else /* 32 bit data port */
306 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_32)
307 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V | BR_PS_32)
308 #endif /* CONFIG_FLASH_16BIT */
310 #define CFG_OR1_REMAP CFG_OR0_REMAP
311 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
314 * BR2/3 and OR2/3 (SDRAM)
317 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
318 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
319 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
321 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
322 #define CFG_OR_TIMING_SDRAM 0x00000A00
324 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
325 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
327 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
328 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
331 * Memory Periodic Timer Prescaler
334 /* periodic timer for refresh */
335 #define CFG_MAMR_PTA 23 /* start with divider for 100 MHz */
337 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
338 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
339 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
341 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
342 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
343 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
346 * MAMR settings for SDRAM
350 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
351 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
352 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X)
354 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
355 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
356 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X)
360 * Internal Definitions
364 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
365 #define BOOTFLAG_WARM 0x02 /* Software reboot */
367 #endif /* __CONFIG_H */