blob: f12765d660a2bbf314f0ef4f2cbc674f2172e63a [file] [log] [blame]
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +02001/*
2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * Dan Malek, Embedded Edge, LLC, dan@embeddededge.com
26 * U-Boot port on STx XTc 8xx board
27 * Mostly copied from Panto's NETTA2 board.
28 */
29
30#ifndef __CONFIG_H
31#define __CONFIG_H
32
33/*
34 * High Level Configuration Options
35 * (easy to change)
36 */
37
38#define CONFIG_MPC875 1 /* This is a MPC875 CPU */
39#define CONFIG_STXXTC 1 /* ...on a STx XTc board */
40
41#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
42#undef CONFIG_8xx_CONS_SMC2
43#undef CONFIG_8xx_CONS_NONE
44
Wolfgang Denk969542b2005-09-13 00:12:33 +020045#define CONFIG_BAUDRATE 115200 /* console baudrate = 115.2kbps */
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +020046
47#define CONFIG_XIN 10000000 /* 10 MHz input xtal */
48
49/* Select one of few clock rates defined later in this file.
50*/
51/* #define MPC8XX_HZ 50000000 */
52#define MPC8XX_HZ 66666666
53
54#define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ
55
56#if 0
57#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
58#else
59#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
60#endif
61
62#undef CONFIG_CLOCKS_IN_MHZ /* clocks NOT passsed to Linux in MHz */
63
64#undef CONFIG_BOOTARGS
65#define CONFIG_BOOTCOMMAND \
66 "tftpboot; " \
67 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
68 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
69 "bootm"
70
71#define CONFIG_AUTOSCRIPT
72#define CONFIG_LOADS_ECHO 0 /* echo off for serial download */
73#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
74
75#undef CONFIG_WATCHDOG /* watchdog disabled */
76
77#define CONFIG_STATUS_LED 1 /* Status LED enabled */
78#define CONFIG_BOARD_SPECIFIC_LED /* version has board specific leds */
79
Jon Loeligerc6d535a2007-07-09 21:57:31 -050080/*
81 * BOOTP options
82 */
83#define CONFIG_BOOTP_SUBNETMASK
84#define CONFIG_BOOTP_GATEWAY
85#define CONFIG_BOOTP_HOSTNAME
86#define CONFIG_BOOTP_BOOTPATH
87#define CONFIG_BOOTP_BOOTFILESIZE
88#define CONFIG_BOOTP_NISDOMAIN
89
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +020090
91#undef CONFIG_MAC_PARTITION
92#undef CONFIG_DOS_PARTITION
93
94#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
95
96#define CONFIG_NET_MULTI 1 /* the only way to get the FEC in */
97#define FEC_ENET 1 /* eth.c needs it that way... */
98#undef CFG_DISCOVER_PHY
99#define CONFIG_MII 1
100#undef CONFIG_RMII
101
102#define CONFIG_ETHER_ON_FEC1 1
103#define CONFIG_FEC1_PHY 1 /* phy address of FEC */
104#undef CONFIG_FEC1_PHY_NORXERR
105
106#define CONFIG_ETHER_ON_FEC2 1
107#define CONFIG_FEC2_PHY 3
108#undef CONFIG_FEC2_PHY_NORXERR
109
110#define CONFIG_ENV_OVERWRITE 1 /* allow modification of vendor params */
111
Jon Loeliger595f2622007-07-04 22:31:07 -0500112
113/*
114 * Command line configuration.
115 */
116#include <config_cmd_default.h>
117
118#define CONFIG_CMD_DHCP
119#define CONFIG_CMD_MII
120#define CONFIG_CMD_NAND
121#define CONFIG_CMD_NFS
122#define CONFIG_CMD_PING
123
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +0200124
125#define CONFIG_BOARD_EARLY_INIT_F 1
126#define CONFIG_MISC_INIT_R
127
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +0200128/*
129 * Miscellaneous configurable options
130 */
131#define CFG_LONGHELP /* undef to save memory */
132#define CFG_PROMPT "xtc> " /* Monitor Command Prompt */
133
134#define CFG_HUSH_PARSER 1
135#define CFG_PROMPT_HUSH_PS2 "> "
136
Jon Loeliger595f2622007-07-04 22:31:07 -0500137#if defined(CONFIG_CMD_KGDB)
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +0200138#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
139#else
140#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
141#endif
142#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
143#define CFG_MAXARGS 16 /* max number of command args */
144#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
145
146#define CFG_MEMTEST_START 0x0300000 /* memtest works on */
147#define CFG_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */
148
149#define CFG_LOAD_ADDR 0x100000 /* default load address */
150
151#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
152
153#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
154
155/*
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.
159 */
160/*-----------------------------------------------------------------------
161 * Internal Memory Mapped Register
162 */
163#define CFG_IMMR 0xFF000000
164
165/*-----------------------------------------------------------------------
166 * Definitions for initial stack pointer and data area (in DPRAM)
167 */
168#define CFG_INIT_RAM_ADDR CFG_IMMR
169#define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
170#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
171#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
172#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
173
174/*-----------------------------------------------------------------------
175 * Start addresses for the final memory configuration
176 * (Set up by the startup code)
177 * Please note that CFG_SDRAM_BASE _must_ start at 0
178 */
179#define CFG_SDRAM_BASE 0x00000000
180#define CFG_FLASH_BASE 0x40000000
181#if defined(DEBUG)
182#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
183#else
184#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
185#endif
186
187/* yes this is weird, I know :) */
188#define CFG_MONITOR_BASE (CFG_FLASH_BASE | 0x00F00000)
189#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
190
191#define CFG_RESET_ADDRESS 0x80000000
192
193/*
194 * For booting Linux, the board info and command line data
195 * have to be in the first 8 MB of memory, since this is
196 * the maximum mapped by the Linux kernel during initialization.
197 */
198#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
199
200/*-----------------------------------------------------------------------
201 * FLASH organization
202 */
203#define CFG_ENV_IS_IN_FLASH 1
204#define CFG_ENV_SECT_SIZE 0x10000
205
206#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x00000000)
207#define CFG_ENV_OFFSET 0
208#define CFG_ENV_SIZE 0x4000
209
210#define CFG_ENV_ADDR_REDUND (CFG_FLASH_BASE + 0x00010000)
211#define CFG_ENV_OFFSET_REDUND 0
212#define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE
213
214#define CFG_FLASH_CFI 1
215#define CFG_FLASH_CFI_DRIVER 1
216#undef CFG_FLASH_USE_BUFFER_WRITE /* use buffered writes (20x faster) */
217#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
218#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
219
220#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, CFG_FLASH_BASE + 0x2000000 }
221
222#define CFG_FLASH_PROTECTION
223
224/*-----------------------------------------------------------------------
225 * Cache Configuration
226 */
227#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
Jon Loeliger595f2622007-07-04 22:31:07 -0500228#if defined(CONFIG_CMD_KGDB)
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +0200229#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
230#endif
231
232/*-----------------------------------------------------------------------
233 * SYPCR - System Protection Control 11-9
234 * SYPCR can only be written once after reset!
235 *-----------------------------------------------------------------------
236 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
237 */
238#if defined(CONFIG_WATCHDOG)
239#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
240 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
241#else
242#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
243#endif
244
245/*-----------------------------------------------------------------------
246 * SIUMCR - SIU Module Configuration 11-6
247 *-----------------------------------------------------------------------
248 * PCMCIA config., multi-function pin tri-state
249 */
250#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC | SIUMCR_GB5E)
251
252/*-----------------------------------------------------------------------
253 * TBSCR - Time Base Status and Control 11-26
254 *-----------------------------------------------------------------------
255 * Clear Reference Interrupt Status, Timebase freezing enabled
256 */
257#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
258
259/*-----------------------------------------------------------------------
260 * RTCSC - Real-Time Clock Status and Control Register 11-27
261 *-----------------------------------------------------------------------
262 */
263#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
264
265/*-----------------------------------------------------------------------
266 * PISCR - Periodic Interrupt Status and Control 11-31
267 *-----------------------------------------------------------------------
268 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
269 */
270#define CFG_PISCR (PISCR_PS | PISCR_PITF)
271
272/*-----------------------------------------------------------------------
273 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
274 *-----------------------------------------------------------------------
275 * Reset PLL lock status sticky bit, timer expired status bit and timer
276 * interrupt status bit
277 *
278 */
279
280#if CONFIG_XIN == 10000000
281
282#if MPC8XX_HZ == 50000000
283#define CFG_PLPRCR ((0 << PLPRCR_MFN_SHIFT) | (0 << PLPRCR_MFD_SHIFT) | \
284 (1 << PLPRCR_S_SHIFT) | (10 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \
285 PLPRCR_TEXPS)
286#elif MPC8XX_HZ == 66666666
287#define CFG_PLPRCR ((1 << PLPRCR_MFN_SHIFT) | (2 << PLPRCR_MFD_SHIFT) | \
288 (1 << PLPRCR_S_SHIFT) | (13 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \
289 PLPRCR_TEXPS)
290#else
291#error unsupported CPU freq for XIN = 10MHz
292#endif
293#else
294#error unsupported freq for XIN (must be 10MHz)
295#endif
296
297
298/*
299 *-----------------------------------------------------------------------
300 * SCCR - System Clock and reset Control Register 15-27
301 *-----------------------------------------------------------------------
302 * Set clock output, timebase and RTC source and divider,
303 * power management and some other internal clocks
304 *
305 * Note: When TBS == 0 the timebase is independent of current cpu clock.
306 */
307
308#define SCCR_MASK SCCR_EBDF11
309#if MPC8XX_HZ > 66666666
310#define CFG_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \
311 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
312 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
313 SCCR_DFALCD00 | SCCR_EBDF01)
314#else
315#define CFG_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \
316 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
317 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
318 SCCR_DFALCD00)
319#endif
320
321/*-----------------------------------------------------------------------
322 *
323 *-----------------------------------------------------------------------
324 *
325 */
326/*#define CFG_DER 0x2002000F*/
327#define CFG_DER 0
328
329/*
330 * Init Memory Controller:
331 *
332 * BR0/1 and OR0/1 (FLASH)
333 */
334
335#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
336#define FLASH_BASE1_PRELIM 0x42000000 /* FLASH bank #1 */
337
338/* used to re-map FLASH both when starting from SRAM or FLASH:
339 * restrict access enough to keep SRAM working (if any)
340 * but not too much to meddle with FLASH accesses
341 */
342
343#define FLASH_BANK_MAX_SIZE 0x01000000 /* max size per chip */
344
345#define CFG_REMAP_OR_AM 0x80000000
346#define CFG_PRELIM_OR_AM (0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1))
347
348/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
349#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX)
350
351#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
352#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
353#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
354
355#define CFG_OR1_PRELIM ((0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1)) | CFG_OR_TIMING_FLASH)
356#define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
357
358/*
359 * BR4 and OR4 (SDRAM)
360 *
361 */
362#define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
363#define SDRAM_MAX_SIZE (256 << 20) /* max 256MB per bank */
364
365/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
366#define CFG_OR_TIMING_SDRAM (OR_CSNT_SAM | OR_G5LS)
367
368#define CFG_OR4_PRELIM ((0xFFFFFFFFLU & ~(SDRAM_MAX_SIZE - 1)) | CFG_OR_TIMING_SDRAM)
369#define CFG_BR4_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_PS_32 | BR_V)
370
371/*
372 * Memory Periodic Timer Prescaler
373 */
374
375/*
376 * Memory Periodic Timer Prescaler
377 *
378 * The Divider for PTA (refresh timer) configuration is based on an
379 * example SDRAM configuration (64 MBit, one bank). The adjustment to
380 * the number of chip selects (NCS) and the actually needed refresh
381 * rate is done by setting MPTPR.
382 *
383 * PTA is calculated from
384 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
385 *
386 * gclk CPU clock (not bus clock!)
387 * Trefresh Refresh cycle * 4 (four word bursts used)
388 *
389 * 4096 Rows from SDRAM example configuration
390 * 1000 factor s -> ms
391 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
392 * 4 Number of refresh cycles per period
393 * 64 Refresh cycle in ms per number of rows
394 * --------------------------------------------
395 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
396 *
397 * 50 MHz => 50.000.000 / Divider = 98
398 * 66 Mhz => 66.000.000 / Divider = 129
399 * 80 Mhz => 80.000.000 / Divider = 156
400 */
401
402#define CFG_MAMR_PTA 234
403
404/*
405 * For 16 MBit, refresh rates could be 31.3 us
406 * (= 64 ms / 2K = 125 / quad bursts).
407 * For a simpler initialization, 15.6 us is used instead.
408 *
409 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
410 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
411 */
412#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
413#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
414
415/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
416#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
417#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
418
419/*
420 * MAMR settings for SDRAM
421 */
422
423/* 8 column SDRAM */
424#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
425 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
426 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
427
428/* 9 column SDRAM */
429#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
430 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
431 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
432
433/*
434 * Internal Definitions
435 *
436 * Boot Flags
437 */
438#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
439#define BOOTFLAG_WARM 0x02 /* Software reboot */
440
441#define CONFIG_LAST_STAGE_INIT /* needed to reset the damn phys */
442
443/****************************************************************/
444
445#define NAND_SIZE 0x00010000 /* 64K */
446#define NAND_BASE 0xF1000000
447
448/****************************************************************/
449
450/* NAND */
Marian Balakowicz6a076752006-04-08 19:08:06 +0200451#define CFG_NAND_LEGACY
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +0200452#define CFG_NAND_BASE NAND_BASE
453#define CONFIG_MTD_NAND_ECC_JFFS2
454#define CONFIG_MTD_NAND_VERIFY_WRITE
455#define CONFIG_MTD_NAND_UNSAFE
456
457#define CFG_MAX_NAND_DEVICE 1
458#undef NAND_NO_RB
459
460#define SECTORSIZE 512
461#define ADDR_COLUMN 1
462#define ADDR_PAGE 2
463#define ADDR_COLUMN_PAGE 3
464#define NAND_ChipID_UNKNOWN 0x00
465#define NAND_MAX_FLOORS 1
466#define NAND_MAX_CHIPS 1
467
468/* ALE = PC15, CLE = PB23, CE = PA7, F_RY_BY = PA6 */
469#define NAND_DISABLE_CE(nand) \
470 do { \
471 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat) |= (1 << (15 - 7)); \
472 } while(0)
473
474#define NAND_ENABLE_CE(nand) \
475 do { \
476 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat) &= ~(1 << (15 - 7)); \
477 } while(0)
478
479#define NAND_CTL_CLRALE(nandptr) \
480 do { \
481 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat) &= ~(1 << (15 - 15)); \
482 } while(0)
483
484#define NAND_CTL_SETALE(nandptr) \
485 do { \
486 (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat) |= (1 << (15 - 15)); \
487 } while(0)
488
489#define NAND_CTL_CLRCLE(nandptr) \
490 do { \
491 (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat) &= ~(1 << (31 - 23)); \
492 } while(0)
493
494#define NAND_CTL_SETCLE(nandptr) \
495 do { \
496 (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat) |= (1 << (31 - 23)); \
497 } while(0)
498
499#ifndef NAND_NO_RB
500#define NAND_WAIT_READY(nand) \
501 do { \
502 int _tries = 0; \
503 while ((((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat & (1 << (15 - 6))) == 0) \
504 if (++_tries > 100000) \
505 break; \
506 } while (0)
507#else
508#define NAND_WAIT_READY(nand) udelay(12)
509#endif
510
511#define WRITE_NAND_COMMAND(d, adr) \
512 do { \
513 *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
514 } while(0)
515
516#define WRITE_NAND_ADDRESS(d, adr) \
517 do { \
518 *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
519 } while(0)
520
521#define WRITE_NAND(d, adr) \
522 do { \
523 *(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
524 } while(0)
525
526#define READ_NAND(adr) \
527 ((unsigned char)(*(volatile unsigned char *)(unsigned long)(adr)))
528
529/*****************************************************************************/
530
531#define CFG_DIRECT_FLASH_TFTP
532#define CFG_DIRECT_NAND_TFTP
533
534/*****************************************************************************/
535
536/* Status Leds are on the MODCK pins, which become the PCMCIA PGCRB,
537 * CxOE and CxRESET. We use the CxOE.
538 */
539#define STATUS_LED_BIT 0x00000080 /* bit 24 */
540
541#define STATUS_LED_PERIOD (CFG_HZ / 2)
542#define STATUS_LED_STATE STATUS_LED_BLINKING
543
544#define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
545#define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
546
547#ifndef __ASSEMBLY__
548
549/* LEDs */
550
551/* led_id_t is unsigned int mask */
552typedef unsigned int led_id_t;
553
554#define __led_toggle(_msk) \
555 do { \
556 ((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb ^= (_msk); \
557 } while(0)
558
559#define __led_set(_msk, _st) \
560 do { \
561 if ((_st)) \
562 ((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb |= (_msk); \
563 else \
564 ((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb &= ~(_msk); \
565 } while(0)
566
567#define __led_init(msk, st) __led_set(msk, st)
568
569#endif
570
571/******************************************************************************/
572
573#define CFG_CONSOLE_IS_IN_ENV 1
574#define CFG_CONSOLE_OVERWRITE_ROUTINE 1
575#define CFG_CONSOLE_ENV_OVERWRITE 1
576
577/******************************************************************************/
578
579/* use board specific hardware */
580#undef CONFIG_WATCHDOG /* watchdog disabled */
581#define CONFIG_HW_WATCHDOG
582#define CONFIG_SHOW_ACTIVITY
583
584/*****************************************************************************/
585
586#define CONFIG_AUTO_COMPLETE 1
587#define CONFIG_CRC32_VERIFY 1
588#define CONFIG_HUSH_OLD_PARSER_COMPATIBLE 1
589
Wolfgang Denkdfb18422005-10-13 01:49:09 +0200590/*****************************************************************************/
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +0200591
Wolfgang Denkdfb18422005-10-13 01:49:09 +0200592/* pass open firmware flat tree */
593#define CONFIG_OF_FLAT_TREE 1
594
Wolfgang Denkdfb18422005-10-13 01:49:09 +0200595#define OF_CPU "PowerPC,MPC870@0"
596#define OF_TBCLK (MPC8XX_HZ / 16)
Wolfgang Denk72fdb6c2005-08-15 15:55:00 +0200597
598#endif /* __CONFIG_H */