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_MPC823 1 /* This is a MPC823 CPU */
37 #define CONFIG_SPD823TS 1 /* ...on a SPD823TS 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 115200
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_BOOTCOMMAND "bootp" /* autoboot command */
53 #define CONFIG_BOOTARGS "root=/dev/nfs rw " \
54 "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
55 "nfsaddrs=10.0.0.99:10.0.0.2"
57 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
58 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
60 #undef CONFIG_WATCHDOG /* watchdog disabled */
64 * Command line configuration.
66 #include <config_cmd_default.h>
68 #define CONFIG_CMD_IDE
70 #undef CONFIG_CMD_FLASH
73 #define CONFIG_MAC_PARTITION
74 #define CONFIG_DOS_PARTITION
79 #define CONFIG_BOOTP_SUBNETMASK
80 #define CONFIG_BOOTP_GATEWAY
81 #define CONFIG_BOOTP_HOSTNAME
82 #define CONFIG_BOOTP_BOOTPATH
83 #define CONFIG_BOOTP_BOOTFILESIZE
86 /*----------------------------------------------------------------------*/
87 #define CONFIG_ETHADDR 00:D0:93:00:01:CB
88 #define CONFIG_IPADDR 10.0.0.98
89 #define CONFIG_SERVERIP 10.0.0.1
90 #undef CONFIG_BOOTCOMMAND
91 #define CONFIG_BOOTCOMMAND "tftp 200000 uImage;bootm 200000"
92 /*----------------------------------------------------------------------*/
95 * Miscellaneous configurable options
97 #define CFG_LONGHELP /* undef to save memory */
98 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
99 #if defined(CONFIG_CMD_KGDB)
100 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
102 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
104 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
105 #define CFG_MAXARGS 16 /* max number of command args */
106 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
108 #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
109 #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
111 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
113 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
115 #define CFG_PC_IDE_RESET ((ushort)0x0008) /* PC 12 */
117 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
119 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
122 * Low Level Configuration Settings
123 * (address mappings, register initial values, etc.)
124 * You should know what you are doing if you make changes here.
126 /*-----------------------------------------------------------------------
127 * Internal Memory Mapped Register
129 #define CFG_IMMR 0xFFF00000 /* was: 0xFF000000 */
131 /*-----------------------------------------------------------------------
132 * Definitions for initial stack pointer and data area (in DPRAM)
134 #define CFG_INIT_RAM_ADDR CFG_IMMR
135 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
136 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
137 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
138 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
140 /*-----------------------------------------------------------------------
141 * Start addresses for the final memory configuration
142 * (Set up by the startup code)
143 * Please note that CFG_SDRAM_BASE _must_ start at 0
145 #define CFG_SDRAM_BASE 0x00000000
146 #define CFG_FLASH_BASE 0xFF000000
148 #define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
150 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
152 #define CFG_MONITOR_BASE CFG_FLASH_BASE
153 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
156 * For booting Linux, the board info and command line data
157 * have to be in the first 8 MB of memory, since this is
158 * the maximum mapped by the Linux kernel during initialization.
160 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
161 /*-----------------------------------------------------------------------
164 #define CFG_MAX_FLASH_BANKS 0 /* max number of memory banks */
165 #define CFG_MAX_FLASH_SECT 0 /* max number of sectors on one chip */
167 #define CFG_FLASH_ERASE_TOUT 0 /* Timeout for Flash Erase (in ms) */
168 #define CFG_FLASH_WRITE_TOUT 0 /* Timeout for Flash Write (in ms) */
170 #define CFG_ENV_IS_IN_FLASH 1
171 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
172 #define CFG_ENV_SIZE 0x0800 /* Total Size of Environment Sector */
173 /*-----------------------------------------------------------------------
174 * Cache Configuration
176 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
177 #if defined(CONFIG_CMD_KGDB)
178 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
181 /*-----------------------------------------------------------------------
182 * SYPCR - System Protection Control 11-9
183 * SYPCR can only be written once after reset!
184 *-----------------------------------------------------------------------
185 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
187 #if defined(CONFIG_WATCHDOG)
188 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
189 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
191 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
194 /*-----------------------------------------------------------------------
195 * SIUMCR - SIU Module Configuration 11-6
196 *-----------------------------------------------------------------------
197 * PCMCIA config., multi-function pin tri-state
200 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00 | SIUMCR_GB5E)
202 /*-----------------------------------------------------------------------
203 * TBSCR - Time Base Status and Control 11-26
204 *-----------------------------------------------------------------------
205 * Clear Reference Interrupt Status, Timebase freezing enabled
207 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
209 /*-----------------------------------------------------------------------
210 * PISCR - Periodic Interrupt Status and Control 11-31
211 *-----------------------------------------------------------------------
212 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
214 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
216 /*-----------------------------------------------------------------------
217 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
218 *-----------------------------------------------------------------------
219 * Reset PLL lock status sticky bit, timer expired status bit and timer
220 * interrupt status bit, set PLL multiplication factor !
224 ( (11 << PLPRCR_MF_SHIFT) | \
225 PLPRCR_SPLSS | PLPRCR_TEXPS | /*PLPRCR_TMIST|*/ \
226 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
227 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
230 /*-----------------------------------------------------------------------
231 * SCCR - System Clock and reset Control Register 15-27
232 *-----------------------------------------------------------------------
233 * Set clock output, timebase and RTC source and divider,
234 * power management and some other internal clocks
236 #define SCCR_MASK SCCR_EBDF11
238 #define CFG_SCCR (SCCR_COM00 | /*SCCR_TBS|*/ \
239 SCCR_RTDIV | SCCR_RTSEL | \
240 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
241 SCCR_EBDF00 | SCCR_DFSYNC00 | \
242 SCCR_DFBRG00 | SCCR_DFNL000 | \
243 SCCR_DFNH000 | SCCR_DFLCD101 | \
246 /*-----------------------------------------------------------------------
247 * RTCSC - Real-Time Clock Status and Control Register
248 *-----------------------------------------------------------------------
251 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
254 /*-----------------------------------------------------------------------
255 * RCCR - RISC Controller Configuration Register
256 *-----------------------------------------------------------------------
259 #define CFG_RCCR 0x0200
261 /*-----------------------------------------------------------------------
262 * RMDS - RISC Microcode Development Support Control Register
263 *-----------------------------------------------------------------------
267 /*-----------------------------------------------------------------------
268 * SDSR - SDMA Status Register
269 *-----------------------------------------------------------------------
271 #define CFG_SDSR ((u_char)0x83)
273 /*-----------------------------------------------------------------------
274 * SDMR - SDMA Mask Register
275 *-----------------------------------------------------------------------
277 #define CFG_SDMR ((u_char)0x00)
279 /*-----------------------------------------------------------------------
282 *-----------------------------------------------------------------------
284 #define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */
286 /*-----------------------------------------------------------------------
288 *-----------------------------------------------------------------------
291 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
292 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
293 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
294 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
295 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
296 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
297 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
298 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
300 /*-----------------------------------------------------------------------
302 *-----------------------------------------------------------------------
304 #define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */
305 #define CONFIG_IDE_LED 1 /* LED for ide supported */
306 #define CONFIG_IDE_RESET 1 /* reset for ide supported */
308 #define CFG_IDE_MAXBUS 2 /* max. 2 IDE busses */
309 #define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
311 #define CFG_ATA_BASE_ADDR 0xFE100000
312 #define CFG_ATA_IDE0_OFFSET 0x0000
313 #define CFG_ATA_IDE1_OFFSET 0x0C00
315 #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
316 #define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */
317 #define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */
319 /*-----------------------------------------------------------------------
321 *-----------------------------------------------------------------------
327 * Init Memory Controller:
329 * BR0/1 and OR0/1 (FLASH)
332 #define FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank #0 */
333 #define FLASH_BASE1_PRELIM 0xFF080000 /* FLASH bank #1 */
335 /* used to re-map FLASH both when starting from SRAM or FLASH:
336 * restrict access enough to keep SRAM working (if any)
337 * but not too much to meddle with FLASH accesses
339 /* EPROMs are 512kb */
340 #define CFG_REMAP_OR_AM 0xFFF80000 /* OR addr mask */
341 #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */
343 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
344 #define CFG_OR_TIMING_FLASH (/* OR_CSNT_SAM | */ OR_ACS_DIV4 | OR_BI | \
345 OR_SCY_5_CLK | OR_EHTR)
347 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
348 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
349 /* 16 bit, bank valid */
350 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
352 #define CFG_OR1_REMAP CFG_OR0_REMAP
353 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
354 /* 16 bit, bank valid */
355 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
358 * BR2-5 and OR2-5 (SRAM/SDRAM/PER8/SHARC)
361 #define SRAM_BASE 0xFE200000 /* SRAM bank */
362 #define SRAM_OR_AM 0xFFE00000 /* SRAM is 2 MB */
364 #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */
365 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
366 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
368 #define PER8_BASE 0xFE000000 /* PER8 bank */
369 #define PER8_OR_AM 0xFFF00000 /* PER8 is 1 MB */
371 #define SHARC_BASE 0xFE400000 /* SHARC bank */
372 #define SHARC_OR_AM 0xFFC00000 /* SHARC is 4 MB */
374 /* SRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
376 #define CFG_OR_TIMING_SRAM 0x00000D42 /* SRAM-Timing */
377 #define CFG_OR2 (SRAM_OR_AM | CFG_OR_TIMING_SRAM )
378 #define CFG_BR2 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V )
380 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
382 #define CFG_OR_TIMING_SDRAM 0x00000A00 /* SDRAM-Timing */
383 #define CFG_OR3_PRELIM (SDRAM_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
384 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V )
386 #define CFG_OR_TIMING_PER8 0x00000F32 /* PER8-Timing */
387 #define CFG_OR4 (PER8_OR_AM | CFG_OR_TIMING_PER8 )
388 #define CFG_BR4 ((PER8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
390 #define CFG_OR_TIMING_SHARC 0x00000700 /* SHARC-Timing */
391 #define CFG_OR5 (SHARC_OR_AM | CFG_OR_TIMING_SHARC )
392 #define CFG_BR5 ((SHARC_BASE & BR_BA_MSK) | BR_PS_32 | BR_MS_UPMA | BR_V )
394 * Memory Periodic Timer Prescaler
397 /* periodic timer for refresh */
398 #define CFG_MBMR_PTB 204
400 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
401 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
402 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
404 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
405 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
406 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
409 * MBMR settings for SDRAM
413 #define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
414 MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \
415 MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
418 * Internal Definitions
422 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
423 #define BOOTFLAG_WARM 0x02 /* Software reboot */
425 #endif /* __CONFIG_H */