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 * Workaround for layout bug on prototype board
34 #define PCU_E_WITH_SWAPPED_CS 1
37 * High Level Configuration Options
41 #define CONFIG_MPC860 1 /* This is a MPC860T CPU */
42 #define CONFIG_MPC860T 1
43 #define CONFIG_PCU_E 1 /* ...on a PCU E board */
45 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
47 #define CONFIG_BAUDRATE 9600
49 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
51 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
54 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
56 #undef CONFIG_BOOTARGS
57 #define CONFIG_BOOTCOMMAND \
59 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
60 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
63 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
64 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
66 #undef CONFIG_WATCHDOG /* watchdog disabled */
68 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
70 #define CONFIG_PRAM 2048 /* reserve 2 MB "protected RAM" */
72 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
74 #define CONFIG_SPI /* enable SPI driver */
75 #define CONFIG_SPI_X /* 16 bit EEPROM addressing */
77 #define CONFIG_HARD_I2C 1 /* I2C with hardware support */
78 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
79 #define CFG_I2C_SLAVE 0x7F
82 /* ----------------------------------------------------------------
83 * Offset to initial SPI buffers in DPRAM (used if the environment
84 * is in the SPI EEPROM): We need a 520 byte scratch DPRAM area to
85 * use at an early stage. It is used between the two initialization
86 * calls (spi_init_f() and spi_init_r()). The value 0xB00 makes it
87 * far enough from the start of the data area (as well as from the
89 * ---------------------------------------------------------------- */
90 #define CFG_SPI_INIT_OFFSET 0xB00
92 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
97 #define CONFIG_BOOTP_MASK \
98 ((CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) & ~CONFIG_BOOTP_GATEWAY)
100 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
101 #include <cmd_confdefs.h>
103 /*----------------------------------------------------------------------*/
106 * Miscellaneous configurable options
108 #define CFG_LONGHELP /* undef to save memory */
109 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
110 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
111 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
113 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
115 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
116 #define CFG_MAXARGS 16 /* max number of command args */
117 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
119 #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
120 #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
122 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
124 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
126 /* Ethernet hardware configuration done using port pins */
127 #define CFG_PB_ETH_RESET 0x00000020 /* PB 26 */
128 #if PCU_E_WITH_SWAPPED_CS /* XXX */
129 #define CFG_PA_ETH_MDDIS 0x4000 /* PA 1 */
130 #define CFG_PB_ETH_POWERDOWN 0x00000800 /* PB 20 */
131 #define CFG_PB_ETH_CFG1 0x00000400 /* PB 21 */
132 #define CFG_PB_ETH_CFG2 0x00000200 /* PB 22 */
133 #define CFG_PB_ETH_CFG3 0x00000100 /* PB 23 */
135 #define CFG_PB_ETH_MDDIS 0x00000010 /* PB 27 */
136 #define CFG_PB_ETH_POWERDOWN 0x00000100 /* PB 23 */
137 #define CFG_PB_ETH_CFG1 0x00000200 /* PB 22 */
138 #define CFG_PB_ETH_CFG2 0x00000400 /* PB 21 */
139 #define CFG_PB_ETH_CFG3 0x00000800 /* PB 20 */
142 /* Ethernet settings:
143 * MDIO enabled, autonegotiation, 10/100Mbps, half/full duplex
145 #define CFG_ETH_MDDIS_VALUE 0
146 #define CFG_ETH_CFG1_VALUE 1
147 #define CFG_ETH_CFG2_VALUE 1
148 #define CFG_ETH_CFG3_VALUE 1
150 /* PUMA configuration */
151 #if PCU_E_WITH_SWAPPED_CS /* XXX */
152 #define CFG_PB_PUMA_PROG 0x00000010 /* PB 27 */
154 #define CFG_PA_PUMA_PROG 0x4000 /* PA 1 */
156 #define CFG_PC_PUMA_DONE 0x0008 /* PC 12 */
157 #define CFG_PC_PUMA_INIT 0x0004 /* PC 13 */
159 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
161 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
164 * Low Level Configuration Settings
165 * (address mappings, register initial values, etc.)
166 * You should know what you are doing if you make changes here.
168 /*-----------------------------------------------------------------------
169 * Internal Memory Mapped Register
171 #define CFG_IMMR 0xFE000000
173 /*-----------------------------------------------------------------------
174 * Definitions for initial stack pointer and data area (in DPRAM)
176 #define CFG_INIT_RAM_ADDR CFG_IMMR
177 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
178 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
179 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
180 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
182 /*-----------------------------------------------------------------------
183 * Address accessed to reset the board - must not be mapped/assigned
185 #define CFG_RESET_ADDRESS 0xFEFFFFFF
187 /*-----------------------------------------------------------------------
188 * Start addresses for the final memory configuration
189 * (Set up by the startup code)
190 * Please note that CFG_SDRAM_BASE _must_ start at 0
192 #define CFG_SDRAM_BASE 0x00000000
193 /* this is an ugly hack needed because of the silly non-constant address map */
194 #define CFG_FLASH_BASE (0-flash_info[0].size-flash_info[1].size)
197 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
199 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
201 #define CFG_MONITOR_BASE TEXT_BASE
202 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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 */
210 /*-----------------------------------------------------------------------
213 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
214 #define CFG_MAX_FLASH_SECT 160 /* max number of sectors on one chip */
216 #define CFG_FLASH_ERASE_TOUT 180000 /* Timeout for Flash Erase (in ms) */
217 #define CFG_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
220 /* Start port with environment in flash; switch to SPI EEPROM later */
221 #define CFG_ENV_IS_IN_FLASH 1
222 #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment */
223 #define CFG_ENV_ADDR 0xFFFFE000 /* Address of Environment Sector */
224 #define CFG_ENV_SECT_SIZE 0x2000 /* use the top-most 8k boot sector */
226 /* Final version: environment in EEPROM */
227 #define CFG_ENV_IS_IN_EEPROM 1
228 #define CFG_I2C_EEPROM_ADDR 0
229 #define CFG_I2C_EEPROM_ADDR_LEN 2
230 #define CFG_ENV_OFFSET 1024
231 #define CFG_ENV_SIZE 1024
234 /*-----------------------------------------------------------------------
235 * Cache Configuration
237 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
238 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
240 /*-----------------------------------------------------------------------
241 * SYPCR - System Protection Control 11-9
242 * SYPCR can only be written once after reset!
243 *-----------------------------------------------------------------------
244 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
246 #if defined(CONFIG_WATCHDOG)
247 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
248 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
250 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
253 /*-----------------------------------------------------------------------
254 * SIUMCR - SIU Module Configuration 11-6
255 *-----------------------------------------------------------------------
256 * External Arbitration max. priority (7),
257 * Debug pins configuration '11',
258 * Asynchronous external master enable.
261 #define CFG_SIUMCR (SIUMCR_EARP7 | SIUMCR_DBGC11 | SIUMCR_AEME)
263 /*-----------------------------------------------------------------------
264 * TBSCR - Time Base Status and Control 11-26
265 *-----------------------------------------------------------------------
266 * Clear Reference Interrupt Status, Timebase freezing enabled
268 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
270 /*-----------------------------------------------------------------------
271 * PISCR - Periodic Interrupt Status and Control 11-31
272 *-----------------------------------------------------------------------
273 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
275 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
277 /*-----------------------------------------------------------------------
278 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
279 *-----------------------------------------------------------------------
280 * Reset PLL lock status sticky bit, timer expired status bit and timer
281 * interrupt status bit, set PLL multiplication factor !
284 #define CFG_PLPRCR_MF 0 /* (0+1) * 50 = 50 MHz Clock */
286 ( (CFG_PLPRCR_MF << PLPRCR_MF_SHIFT) | \
287 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
288 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
289 PLPRCR_CSR /*| PLPRCR_LOLRE|PLPRCR_FIOPD*/ \
292 #define CONFIG_8xx_GCLK_FREQ ((CFG_PLPRCR_MF+1)*50000000)
294 /*-----------------------------------------------------------------------
295 * SCCR - System Clock and reset Control Register 15-27
296 *-----------------------------------------------------------------------
297 * Set clock output, timebase and RTC source and divider,
298 * power management and some other internal clocks
300 * Note: PITRTCLK is 50MHz / 512 = 97'656.25 Hz
302 #define SCCR_MASK SCCR_EBDF11
304 #define CFG_SCCR (SCCR_COM00 | /*SCCR_TBS|*/ \
305 SCCR_RTDIV | SCCR_RTSEL | \
306 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
307 SCCR_EBDF00 | SCCR_DFSYNC00 | \
308 SCCR_DFBRG00 | SCCR_DFNL000 | \
309 SCCR_DFNH000 | SCCR_DFLCD100 | \
312 /*-----------------------------------------------------------------------
313 * RTCSC - Real-Time Clock Status and Control Register 11-27
314 *-----------------------------------------------------------------------
316 * Note: RTC counts at PITRTCLK / 8'192 = 11.920928 Hz !!!
318 * Don't expect the "date" command to work without a 32kHz clock input!
320 /* 0x00C3 => 0x0003 */
321 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
324 /*-----------------------------------------------------------------------
325 * RCCR - RISC Controller Configuration Register 19-4
326 *-----------------------------------------------------------------------
328 #define CFG_RCCR 0x0000
330 /*-----------------------------------------------------------------------
331 * RMDS - RISC Microcode Development Support Control Register
332 *-----------------------------------------------------------------------
336 /*-----------------------------------------------------------------------
339 *-----------------------------------------------------------------------
341 #define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */
343 /*-----------------------------------------------------------------------
345 *-----------------------------------------------------------------------
351 * Init Memory Controller:
353 * BR0/1 and OR0/1 (FLASH) - second Flash bank optional
356 #define FLASH_BASE0_PRELIM 0xFF800000 /* FLASH bank #0 */
357 #if PCU_E_WITH_SWAPPED_CS /* XXX */
358 #define FLASH_BASE6_PRELIM 0xFF000000 /* FLASH bank #1 */
360 #define FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank #1 */
364 * used to re-map FLASH: restrict access enough but not too much to
365 * meddle with FLASH accesses
367 #define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */
368 #define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
370 /* FLASH timing: CSNT = 0, ACS = 00, SCY = 8, EHTR = 1 */
371 #define CFG_OR_TIMING_FLASH (OR_SCY_8_CLK | OR_EHTR)
373 #define CFG_OR0_REMAP ( CFG_REMAP_OR_AM | OR_ACS_DIV1 | OR_BI | \
375 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | OR_ACS_DIV1 | OR_BI | \
377 /* 16 bit, bank valid */
378 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
380 #if PCU_E_WITH_SWAPPED_CS /* XXX */
381 #define CFG_OR6_REMAP CFG_OR0_REMAP
382 #define CFG_OR6_PRELIM CFG_OR0_PRELIM
383 #define CFG_BR6_PRELIM ((FLASH_BASE6_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
385 #define CFG_OR1_REMAP CFG_OR0_REMAP
386 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
387 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
393 * Multiplexed addresses, GPL5 output to GPL5_A (don't care)
395 #if PCU_E_WITH_SWAPPED_CS /* XXX */
396 #define SDRAM_BASE5_PRELIM 0x00000000 /* SDRAM bank */
398 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank */
400 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map 128 MB (>SDRAM_MAX_SIZE!) */
401 #define SDRAM_TIMING OR_CSNT_SAM /* SDRAM-Timing */
403 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
405 #if PCU_E_WITH_SWAPPED_CS /* XXX */
406 #define CFG_OR5_PRELIM (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
407 #define CFG_BR5_PRELIM ((SDRAM_BASE5_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
409 #define CFG_OR2_PRELIM (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
410 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
414 * BR3/OR3: CAN Controller
415 * BR3: 0x10000401 OR3: 0xffff818a
417 #define CAN_CTRLR_BASE 0x10000000 /* CAN Controller */
418 #define CAN_CTRLR_OR_AM 0xFFFF8000 /* 32 kB */
419 #define CAN_CTRLR_TIMING (OR_BI | OR_SCY_8_CLK | OR_SETA | OR_EHTR)
421 #if PCU_E_WITH_SWAPPED_CS /* XXX */
422 #define CFG_BR4_PRELIM ((CAN_CTRLR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
423 #define CFG_OR4_PRELIM (CAN_CTRLR_OR_AM | CAN_CTRLR_TIMING)
425 #define CFG_BR3_PRELIM ((CAN_CTRLR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
426 #define CFG_OR3_PRELIM (CAN_CTRLR_OR_AM | CAN_CTRLR_TIMING)
430 * BR4/OR4: PUMA Config
432 * Memory controller will be used in 2 modes:
435 * BR4: 0x10100801 OR4: 0xffff8530
436 * - "load" mode (chip select on UPM B):
437 * BR4: 0x101008c1 OR4: 0xffff8630
439 * Default initialization is in "read" mode
441 #define PUMA_CONF_BASE 0x10100000 /* PUMA Config */
442 #define PUMA_CONF_OR_AM 0xFFFF8000 /* 32 kB */
443 #define PUMA_CONF_LOAD_TIMING (OR_ACS_DIV2 | OR_SCY_3_CLK)
444 #define PUMA_CONF_READ_TIMING (OR_G5LA | OR_BI | OR_SCY_3_CLK)
446 #define PUMA_CONF_BR_LOAD ((PUMA_CONF_BASE & BR_BA_MSK) | \
447 BR_PS_16 | BR_MS_UPMB | BR_V)
448 #define PUMA_CONF_OR_LOAD (PUMA_CONF_OR_AM | PUMA_CONF_LOAD_TIMING)
450 #define PUMA_CONF_BR_READ ((PUMA_CONF_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
451 #define PUMA_CONF_OR_READ (PUMA_CONF_OR_AM | PUMA_CONF_READ_TIMING)
453 #if PCU_E_WITH_SWAPPED_CS /* XXX */
454 #define CFG_BR3_PRELIM PUMA_CONF_BR_READ
455 #define CFG_OR3_PRELIM PUMA_CONF_OR_READ
457 #define CFG_BR4_PRELIM PUMA_CONF_BR_READ
458 #define CFG_OR4_PRELIM PUMA_CONF_OR_READ
462 * BR5/OR5: PUMA: SMA Bus 8 Bit
463 * BR5: 0x10200401 OR5: 0xffe0010a
465 #define PUMA_SMA8_BASE 0x10200000 /* PUMA SMA Bus 8 Bit */
466 #define PUMA_SMA8_OR_AM 0xFFE00000 /* 2 MB */
467 #define PUMA_SMA8_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR)
469 #if PCU_E_WITH_SWAPPED_CS /* XXX */
470 #define CFG_BR2_PRELIM ((PUMA_SMA8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
471 #define CFG_OR2_PRELIM (PUMA_SMA8_OR_AM | PUMA_SMA8_TIMING | OR_SETA)
473 #define CFG_BR5_PRELIM ((PUMA_SMA8_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
474 #define CFG_OR5_PRELIM (PUMA_SMA8_OR_AM | PUMA_SMA8_TIMING | OR_SETA)
478 * BR6/OR6: PUMA: SMA Bus 16 Bit
479 * BR6: 0x10600801 OR6: 0xffe0010a
481 #define PUMA_SMA16_BASE 0x10600000 /* PUMA SMA Bus 16 Bit */
482 #define PUMA_SMA16_OR_AM 0xFFE00000 /* 2 MB */
483 #define PUMA_SMA16_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR)
485 #if PCU_E_WITH_SWAPPED_CS /* XXX */
486 #define CFG_BR1_PRELIM ((PUMA_SMA16_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
487 #define CFG_OR1_PRELIM (PUMA_SMA16_OR_AM | PUMA_SMA16_TIMING | OR_SETA)
489 #define CFG_BR6_PRELIM ((PUMA_SMA16_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
490 #define CFG_OR6_PRELIM (PUMA_SMA16_OR_AM | PUMA_SMA16_TIMING | OR_SETA)
494 * BR7/OR7: PUMA: external Flash
495 * BR7: 0x10a00801 OR7: 0xfe00010a
497 #define PUMA_FLASH_BASE 0x10A00000 /* PUMA external Flash */
498 #define PUMA_FLASH_OR_AM 0xFE000000 /* 32 MB */
499 #define PUMA_FLASH_TIMING (OR_BI | OR_SCY_0_CLK | OR_EHTR)
501 #define CFG_BR7_PRELIM ((PUMA_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
502 #define CFG_OR7_PRELIM (PUMA_FLASH_OR_AM | PUMA_FLASH_TIMING | OR_SETA)
505 * Memory Periodic Timer Prescaler
508 /* periodic timer for refresh */
509 #define CFG_MPTPR 0x0200
512 * MAMR settings for SDRAM
513 * 0x30104118 = Timer A period 0x30, MAMR_AMB_TYPE_1, MAMR_G0CLB_A10,
514 * MAMR_RLFB_1X, MAMR_WLFB_1X, MAMR_TLFB_8X
515 * 0x30904114 = - " - | Periodic Timer A Enable, MAMR_TLFB_4X
517 /* periodic timer for refresh */
518 #define CFG_MAMR_PTA 0x30 /* = 48 */
520 #define CFG_MAMR ( (CFG_MAMR_PTA << MAMR_PTA_SHIFT) | \
528 * Internal Definitions
532 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
533 #define BOOTFLAG_WARM 0x02 /* Software reboot */
535 #endif /* __CONFIG_H */