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1 /*
2 * (C) Copyright 2000-2014
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8 /*
9 * board/config.h - configuration options, board specific
10 */
11
12 #ifndef __CONFIG_H
13 #define __CONFIG_H
14
15 /*
16 * High Level Configuration Options
17 * (easy to change)
18 */
19
20 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
21 #define CONFIG_TQM823M 1 /* ...on a TQM8xxM module */
22 #define CONFIG_DISPLAY_BOARDINFO
23
24 #define CONFIG_SYS_TEXT_BASE 0x40000000
25
26 #ifdef CONFIG_LCD /* with LCD controller ? */
27 #define CONFIG_MPC8XX_LCD
28 /* #define CONFIG_NEC_NL6448BC20 1 / * use NEC NL6448BC20 display */
29 #endif
30
31 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
32 #define CONFIG_SYS_SMC_RXBUFLEN 128
33 #define CONFIG_SYS_MAXIDLE 10
34 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
35
36 #define CONFIG_BOOTCOUNT_LIMIT
37
38 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
39
40 #define CONFIG_BOARD_TYPES 1 /* support board types */
41
42 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
43
44 #undef CONFIG_BOOTARGS
45
46 #define CONFIG_EXTRA_ENV_SETTINGS \
47 "netdev=eth0\0" \
48 "nfsargs=setenv bootargs root=/dev/nfs rw " \
49 "nfsroot=${serverip}:${rootpath}\0" \
50 "ramargs=setenv bootargs root=/dev/ram rw\0" \
51 "addip=setenv bootargs ${bootargs} " \
52 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
53 ":${hostname}:${netdev}:off panic=1\0" \
54 "flash_nfs=run nfsargs addip;" \
55 "bootm ${kernel_addr}\0" \
56 "flash_self=run ramargs addip;" \
57 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
58 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
59 "rootpath=/opt/eldk/ppc_8xx\0" \
60 "hostname=TQM823M\0" \
61 "bootfile=TQM823M/uImage\0" \
62 "fdt_addr=40080000\0" \
63 "kernel_addr=400A0000\0" \
64 "ramdisk_addr=40280000\0" \
65 "u-boot=TQM823M/u-image.bin\0" \
66 "load=tftp 200000 ${u-boot}\0" \
67 "update=prot off 40000000 +${filesize};" \
68 "era 40000000 +${filesize};" \
69 "cp.b 200000 40000000 ${filesize};" \
70 "sete filesize;save\0" \
71 ""
72 #define CONFIG_BOOTCOMMAND "run flash_self"
73
74 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
75 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
76
77 #undef CONFIG_WATCHDOG /* watchdog disabled */
78
79 #ifdef CONFIG_LCD
80 # undef CONFIG_STATUS_LED /* disturbs display */
81 #else
82 # define CONFIG_STATUS_LED 1 /* Status LED enabled */
83 #endif /* CONFIG_LCD */
84
85 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
86
87 /*
88 * BOOTP options
89 */
90 #define CONFIG_BOOTP_SUBNETMASK
91 #define CONFIG_BOOTP_GATEWAY
92 #define CONFIG_BOOTP_HOSTNAME
93 #define CONFIG_BOOTP_BOOTPATH
94 #define CONFIG_BOOTP_BOOTFILESIZE
95
96
97 #define CONFIG_MAC_PARTITION
98 #define CONFIG_DOS_PARTITION
99
100 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
101
102
103 /*
104 * Command line configuration.
105 */
106 #define CONFIG_CMD_ASKENV
107 #define CONFIG_CMD_DATE
108 #define CONFIG_CMD_DHCP
109 #define CONFIG_CMD_EXT2
110 #define CONFIG_CMD_IDE
111 #define CONFIG_CMD_JFFS2
112 #define CONFIG_CMD_SNTP
113
114
115 #define CONFIG_NETCONSOLE
116
117
118 /*
119 * Miscellaneous configurable options
120 */
121 #define CONFIG_SYS_LONGHELP /* undef to save memory */
122
123 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
124
125 #if defined(CONFIG_CMD_KGDB)
126 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
127 #else
128 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
129 #endif
130 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
131 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
132 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
133
134 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
135 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
136
137 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
138
139 /*
140 * Low Level Configuration Settings
141 * (address mappings, register initial values, etc.)
142 * You should know what you are doing if you make changes here.
143 */
144 /*-----------------------------------------------------------------------
145 * Internal Memory Mapped Register
146 */
147 #define CONFIG_SYS_IMMR 0xFFF00000
148
149 /*-----------------------------------------------------------------------
150 * Definitions for initial stack pointer and data area (in DPRAM)
151 */
152 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
153 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
154 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
155 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
156
157 /*-----------------------------------------------------------------------
158 * Start addresses for the final memory configuration
159 * (Set up by the startup code)
160 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
161 */
162 #define CONFIG_SYS_SDRAM_BASE 0x00000000
163 #define CONFIG_SYS_FLASH_BASE 0x40000000
164 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
165 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
166 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
167
168 /*
169 * For booting Linux, the board info and command line data
170 * have to be in the first 8 MB of memory, since this is
171 * the maximum mapped by the Linux kernel during initialization.
172 */
173 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
174
175 /*-----------------------------------------------------------------------
176 * FLASH organization
177 */
178
179 /* use CFI flash driver */
180 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
181 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
182 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
183 #define CONFIG_SYS_FLASH_EMPTY_INFO
184 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
185 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
186 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
187
188 #define CONFIG_ENV_IS_IN_FLASH 1
189 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
190 #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
191 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
192
193 /* Address and size of Redundant Environment Sector */
194 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
195 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
196
197 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
198
199 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
200
201 /*-----------------------------------------------------------------------
202 * Dynamic MTD partition support
203 */
204 #define CONFIG_CMD_MTDPARTS
205 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
206 #define CONFIG_FLASH_CFI_MTD
207 #define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
208
209 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
210 "128k(dtb)," \
211 "1920k(kernel)," \
212 "5632(rootfs)," \
213 "4m(data)"
214
215 /*-----------------------------------------------------------------------
216 * Hardware Information Block
217 */
218 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
219 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
220 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
221
222 /*-----------------------------------------------------------------------
223 * Cache Configuration
224 */
225 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
226 #if defined(CONFIG_CMD_KGDB)
227 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
228 #endif
229
230 /*-----------------------------------------------------------------------
231 * SYPCR - System Protection Control 11-9
232 * SYPCR can only be written once after reset!
233 *-----------------------------------------------------------------------
234 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
235 */
236 #if defined(CONFIG_WATCHDOG)
237 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
238 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
239 #else
240 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
241 #endif
242
243 /*-----------------------------------------------------------------------
244 * SIUMCR - SIU Module Configuration 11-6
245 *-----------------------------------------------------------------------
246 * PCMCIA config., multi-function pin tri-state
247 */
248 #ifndef CONFIG_CAN_DRIVER
249 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
250 #else /* we must activate GPL5 in the SIUMCR for CAN */
251 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
252 #endif /* CONFIG_CAN_DRIVER */
253
254 /*-----------------------------------------------------------------------
255 * TBSCR - Time Base Status and Control 11-26
256 *-----------------------------------------------------------------------
257 * Clear Reference Interrupt Status, Timebase freezing enabled
258 */
259 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
260
261 /*-----------------------------------------------------------------------
262 * RTCSC - Real-Time Clock Status and Control Register 11-27
263 *-----------------------------------------------------------------------
264 */
265 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
266
267 /*-----------------------------------------------------------------------
268 * PISCR - Periodic Interrupt Status and Control 11-31
269 *-----------------------------------------------------------------------
270 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
271 */
272 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
273
274 /*-----------------------------------------------------------------------
275 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
276 *-----------------------------------------------------------------------
277 * Reset PLL lock status sticky bit, timer expired status bit and timer
278 * interrupt status bit
279 */
280 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
281
282 /*-----------------------------------------------------------------------
283 * SCCR - System Clock and reset Control Register 15-27
284 *-----------------------------------------------------------------------
285 * Set clock output, timebase and RTC source and divider,
286 * power management and some other internal clocks
287 */
288 #define SCCR_MASK SCCR_EBDF11
289 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
290 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
291 SCCR_DFALCD00)
292
293 /*-----------------------------------------------------------------------
294 * PCMCIA stuff
295 *-----------------------------------------------------------------------
296 *
297 */
298 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
299 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
300 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
301 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
302 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
303 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
304 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
305 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
306
307 /*-----------------------------------------------------------------------
308 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
309 *-----------------------------------------------------------------------
310 */
311
312 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
313 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
314
315 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
316 #undef CONFIG_IDE_LED /* LED for ide not supported */
317 #undef CONFIG_IDE_RESET /* reset for ide not supported */
318
319 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
320 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
321
322 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
323
324 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
325
326 /* Offset for data I/O */
327 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
328
329 /* Offset for normal register accesses */
330 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
331
332 /* Offset for alternate registers */
333 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
334
335 /*-----------------------------------------------------------------------
336 *
337 *-----------------------------------------------------------------------
338 *
339 */
340 #define CONFIG_SYS_DER 0
341
342 /*
343 * Init Memory Controller:
344 *
345 * BR0/1 and OR0/1 (FLASH)
346 */
347
348 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
349 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
350
351 /* used to re-map FLASH both when starting from SRAM or FLASH:
352 * restrict access enough to keep SRAM working (if any)
353 * but not too much to meddle with FLASH accesses
354 */
355 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
356 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
357
358 /*
359 * FLASH timing:
360 */
361 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
362 OR_SCY_3_CLK | OR_EHTR | OR_BI)
363
364 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
365 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
366 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
367
368 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
369 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
370 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
371
372 /*
373 * BR2/3 and OR2/3 (SDRAM)
374 *
375 */
376 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
377 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
378 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
379
380 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
381 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
382
383 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
384 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
385
386 #ifndef CONFIG_CAN_DRIVER
387 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
388 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
389 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
390 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
391 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
392 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
393 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
394 BR_PS_8 | BR_MS_UPMB | BR_V )
395 #endif /* CONFIG_CAN_DRIVER */
396
397 /*
398 * Memory Periodic Timer Prescaler
399 *
400 * The Divider for PTA (refresh timer) configuration is based on an
401 * example SDRAM configuration (64 MBit, one bank). The adjustment to
402 * the number of chip selects (NCS) and the actually needed refresh
403 * rate is done by setting MPTPR.
404 *
405 * PTA is calculated from
406 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
407 *
408 * gclk CPU clock (not bus clock!)
409 * Trefresh Refresh cycle * 4 (four word bursts used)
410 *
411 * 4096 Rows from SDRAM example configuration
412 * 1000 factor s -> ms
413 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
414 * 4 Number of refresh cycles per period
415 * 64 Refresh cycle in ms per number of rows
416 * --------------------------------------------
417 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
418 *
419 * 50 MHz => 50.000.000 / Divider = 98
420 * 66 Mhz => 66.000.000 / Divider = 129
421 * 80 Mhz => 80.000.000 / Divider = 156
422 */
423
424 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
425 #define CONFIG_SYS_MAMR_PTA 98
426
427 /*
428 * For 16 MBit, refresh rates could be 31.3 us
429 * (= 64 ms / 2K = 125 / quad bursts).
430 * For a simpler initialization, 15.6 us is used instead.
431 *
432 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
433 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
434 */
435 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
436 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
437
438 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
439 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
440 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
441
442 /*
443 * MAMR settings for SDRAM
444 */
445
446 /* 8 column SDRAM */
447 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
448 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
449 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
450 /* 9 column SDRAM */
451 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
452 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
453 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
454
455 #define CONFIG_HWCONFIG 1
456
457 #endif /* __CONFIG_H */