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_SYS_TEXT_BASE 0x40000000
41 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
42 #undef CONFIG_8xx_CONS_SMC2
43 #undef CONFIG_8xx_CONS_NONE
44 #define CONFIG_BAUDRATE 57600
46 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
48 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
51 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
53 #define CONFIG_BOARD_TYPES 1 /* support board types */
55 #define CONFIG_FLASH_16BIT /* for board with 16bit wide flash */
56 #undef SB_ETX094 /* only for SB-Board with 16MB SDRAM */
57 #define CONFIG_BOOTP_RANDOM_DELAY /* graceful BOOTP recovery mode */
59 #define CONFIG_ETHADDR 08:00:06:00:00:00
62 #define CONFIG_OVERWRITE_ETHADDR_ONCE 1 /* default MAC can be overwritten once */
65 #undef CONFIG_BOOTARGS
66 #define CONFIG_RAMBOOTCOMMAND \
68 "setenv bootargs root=/dev/ram rw ramdisk_size=4690 " \
69 "U-Boot_version=U-Boot-1.0.x-Date " \
71 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
73 #define CONFIG_NFSBOOTCOMMAND \
75 "setenv bootargs root=/dev/nfs rw nfsroot=${nfsip}:${rootpath} " \
76 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
78 #define CONFIG_BOOTCOMMAND CONFIG_RAMBOOTCOMMAND
80 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
81 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
83 #define CONFIG_WATCHDOG 1 /* watchdog enabled */
85 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
91 #define CONFIG_BOOTP_SUBNETMASK
92 #define CONFIG_BOOTP_GATEWAY
93 #define CONFIG_BOOTP_HOSTNAME
94 #define CONFIG_BOOTP_BOOTPATH
95 #define CONFIG_BOOTP_BOOTFILESIZE
99 * Command line configuration.
101 #include <config_cmd_default.h>
105 * Miscellaneous configurable options
107 #define CONFIG_SYS_LONGHELP /* undef to save memory */
108 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
109 #if defined(CONFIG_CMD_KGDB)
110 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
112 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
114 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
115 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
116 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
118 #define CONFIG_SYS_MEMTEST_START 0x0300000 /* memtest works on */
119 #define CONFIG_SYS_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */
121 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
123 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
125 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
128 * Low Level Configuration Settings
129 * (address mappings, register initial values, etc.)
130 * You should know what you are doing if you make changes here.
132 /*-----------------------------------------------------------------------
133 * Internal Memory Mapped Register
135 #define CONFIG_SYS_IMMR 0xFFF00000
137 /*-----------------------------------------------------------------------
138 * Definitions for initial stack pointer and data area (in DPRAM)
140 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
141 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
142 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
143 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
145 /*-----------------------------------------------------------------------
146 * Start addresses for the final memory configuration
147 * (Set up by the startup code)
148 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
150 #define CONFIG_SYS_SDRAM_BASE 0x00000000
151 #define CONFIG_SYS_FLASH_BASE 0x40000000
153 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
155 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
157 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
158 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
161 * For booting Linux, the board info and command line data
162 * have to be in the first 8 MB of memory, since this is
163 * the maximum mapped by the Linux kernel during initialization.
165 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
166 /*-----------------------------------------------------------------------
169 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
170 #define CONFIG_SYS_MAX_FLASH_SECT 35 /* max number of sectors on one chip */
172 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
173 #define CONFIG_SYS_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
175 #define CONFIG_ENV_IS_IN_FLASH 1
176 #ifdef CONFIG_FLASH_16BIT
177 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
178 #define CONFIG_ENV_SIZE 0x8000 /* Total Size of Environment Sector */
180 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
181 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
184 /*-----------------------------------------------------------------------
185 * Hardware Information Block
187 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
188 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
189 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
191 /*-----------------------------------------------------------------------
192 * Cache Configuration
194 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
195 #if defined(CONFIG_CMD_KGDB)
196 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
199 /*-----------------------------------------------------------------------
200 * SYPCR - System Protection Control 11-9
201 * SYPCR can only be written once after reset!
202 *-----------------------------------------------------------------------
203 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
205 #if defined(CONFIG_WATCHDOG)
206 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
207 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
209 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
210 #endif /* CONFIG_WATCHDOG */
212 /*-----------------------------------------------------------------------
213 * SIUMCR - SIU Module Configuration 11-6
214 *-----------------------------------------------------------------------
215 * PCMCIA config., multi-function pin tri-state
217 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
219 /*-----------------------------------------------------------------------
220 * TBSCR - Time Base Status and Control 11-26
221 *-----------------------------------------------------------------------
222 * Clear Reference Interrupt Status, Timebase freezing enabled
224 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
226 /*-----------------------------------------------------------------------
227 * RTCSC - Real-Time Clock Status and Control Register 11-27
228 *-----------------------------------------------------------------------
230 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
232 /*-----------------------------------------------------------------------
233 * PISCR - Periodic Interrupt Status and Control 11-31
234 *-----------------------------------------------------------------------
235 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
237 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
239 /*-----------------------------------------------------------------------
240 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
241 *-----------------------------------------------------------------------
242 * Reset PLL lock status sticky bit, timer expired status bit and timer
243 * interrupt status bit - leave PLL multiplication factor unchanged !
245 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
247 /*-----------------------------------------------------------------------
248 * SCCR - System Clock and reset Control Register 15-27
249 *-----------------------------------------------------------------------
250 * Set clock output, timebase and RTC source and divider,
251 * power management and some other internal clocks
253 #define SCCR_MASK SCCR_EBDF11
254 #define CONFIG_SYS_SCCR (SCCR_TBS | \
255 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
256 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
259 /*-----------------------------------------------------------------------
261 *-----------------------------------------------------------------------
264 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
265 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
266 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
267 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
268 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
269 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
270 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
271 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
273 /*-----------------------------------------------------------------------
275 *-----------------------------------------------------------------------
278 #define CONFIG_SYS_DER 0
281 * Init Memory Controller:
283 * BR0/1 and OR0/1 (FLASH)
286 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
287 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
289 /* used to re-map FLASH both when starting from SRAM or FLASH:
290 * restrict access enough to keep SRAM working (if any)
291 * but not too much to meddle with FLASH accesses
293 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
294 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
296 /* FLASH timing: ACS = 11, TRLX = 1, CSNT = 0, SCY = 2, EHTR = 0 */
297 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | \
298 OR_SCY_2_CLK | OR_TRLX )
300 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
301 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
303 #ifdef CONFIG_FLASH_16BIT /* 16 bit data port */
304 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_16)
305 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V | BR_PS_16)
306 #else /* 32 bit data port */
307 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_32)
308 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V | BR_PS_32)
309 #endif /* CONFIG_FLASH_16BIT */
311 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
312 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
315 * BR2/3 and OR2/3 (SDRAM)
318 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
319 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
320 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
322 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
323 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
325 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
326 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
328 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
329 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
332 * Memory Periodic Timer Prescaler
335 /* periodic timer for refresh */
336 #define CONFIG_SYS_MAMR_PTA 23 /* start with divider for 100 MHz */
338 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
339 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
340 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
342 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
343 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
344 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
347 * MAMR settings for SDRAM
351 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
352 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
353 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X)
355 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
356 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
357 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_1X)
359 #endif /* __CONFIG_H */