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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_TQM823L 1 /* ...on a TQM8xxL module */
22
23 #define CONFIG_SYS_TEXT_BASE 0x40000000
24
25 #ifdef CONFIG_LCD /* with LCD controller ? */
26 #define CONFIG_MPC8XX_LCD
27 #define CONFIG_LCD_LOGO 1 /* print our logo on the LCD */
28 #define CONFIG_LCD_INFO 1 /* ... and some board info */
29 #define CONFIG_SPLASH_SCREEN /* ... with splashscreen support*/
30 #endif
31
32 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
33 #define CONFIG_SYS_SMC_RXBUFLEN 128
34 #define CONFIG_SYS_MAXIDLE 10
35 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
36
37 #define CONFIG_BOOTCOUNT_LIMIT
38
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=TQM823L\0" \
61 "bootfile=TQM823L/uImage\0" \
62 "fdt_addr=40040000\0" \
63 "kernel_addr=40060000\0" \
64 "ramdisk_addr=40200000\0" \
65 "u-boot=TQM823L/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 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
80
81 /*
82 * BOOTP options
83 */
84 #define CONFIG_BOOTP_SUBNETMASK
85 #define CONFIG_BOOTP_GATEWAY
86 #define CONFIG_BOOTP_HOSTNAME
87 #define CONFIG_BOOTP_BOOTPATH
88 #define CONFIG_BOOTP_BOOTFILESIZE
89
90 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
91
92 /*
93 * Command line configuration.
94 */
95 #define CONFIG_CMD_DATE
96 #define CONFIG_CMD_IDE
97 #define CONFIG_CMD_JFFS2
98
99 #ifdef CONFIG_SPLASH_SCREEN
100 #define CONFIG_CMD_BMP
101 #endif
102
103 #define CONFIG_NETCONSOLE
104
105 /*
106 * Miscellaneous configurable options
107 */
108 #define CONFIG_SYS_LONGHELP /* undef to save memory */
109
110 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
111
112 #if defined(CONFIG_CMD_KGDB)
113 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
114 #else
115 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
116 #endif
117 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
118 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
119 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
120
121 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
122 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
123
124 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
125
126 /*
127 * Low Level Configuration Settings
128 * (address mappings, register initial values, etc.)
129 * You should know what you are doing if you make changes here.
130 */
131 /*-----------------------------------------------------------------------
132 * Internal Memory Mapped Register
133 */
134 #define CONFIG_SYS_IMMR 0xFFF00000
135
136 /*-----------------------------------------------------------------------
137 * Definitions for initial stack pointer and data area (in DPRAM)
138 */
139 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
140 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
141 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
142 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
143
144 /*-----------------------------------------------------------------------
145 * Start addresses for the final memory configuration
146 * (Set up by the startup code)
147 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
148 */
149 #define CONFIG_SYS_SDRAM_BASE 0x00000000
150 #define CONFIG_SYS_FLASH_BASE 0x40000000
151 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
152 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
153 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
154
155 /*
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.
159 */
160 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
161
162 /*-----------------------------------------------------------------------
163 * FLASH organization
164 */
165
166 /* use CFI flash driver */
167 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
168 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
169 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
170 #define CONFIG_SYS_FLASH_EMPTY_INFO
171 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
172 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
173 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
174
175 #define CONFIG_ENV_IS_IN_FLASH 1
176 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
177 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
178
179 /* Address and size of Redundant Environment Sector */
180 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
181 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
182
183 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
184
185 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
186
187 /*-----------------------------------------------------------------------
188 * Dynamic MTD partition support
189 */
190 #define CONFIG_CMD_MTDPARTS
191 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
192 #define CONFIG_FLASH_CFI_MTD
193 #define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
194
195 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
196 "128k(dtb)," \
197 "1664k(kernel)," \
198 "2m(rootfs)," \
199 "4m(data)"
200
201 /*-----------------------------------------------------------------------
202 * Hardware Information Block
203 */
204 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
205 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
206 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
207
208 /*-----------------------------------------------------------------------
209 * Cache Configuration
210 */
211 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
212 #if defined(CONFIG_CMD_KGDB)
213 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
214 #endif
215
216 /*-----------------------------------------------------------------------
217 * SYPCR - System Protection Control 11-9
218 * SYPCR can only be written once after reset!
219 *-----------------------------------------------------------------------
220 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
221 */
222 #if defined(CONFIG_WATCHDOG)
223 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
224 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
225 #else
226 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
227 #endif
228
229 /*-----------------------------------------------------------------------
230 * SIUMCR - SIU Module Configuration 11-6
231 *-----------------------------------------------------------------------
232 * PCMCIA config., multi-function pin tri-state
233 */
234 #ifndef CONFIG_CAN_DRIVER
235 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
236 #else /* we must activate GPL5 in the SIUMCR for CAN */
237 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
238 #endif /* CONFIG_CAN_DRIVER */
239
240 /*-----------------------------------------------------------------------
241 * TBSCR - Time Base Status and Control 11-26
242 *-----------------------------------------------------------------------
243 * Clear Reference Interrupt Status, Timebase freezing enabled
244 */
245 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
246
247 /*-----------------------------------------------------------------------
248 * RTCSC - Real-Time Clock Status and Control Register 11-27
249 *-----------------------------------------------------------------------
250 */
251 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
252
253 /*-----------------------------------------------------------------------
254 * PISCR - Periodic Interrupt Status and Control 11-31
255 *-----------------------------------------------------------------------
256 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
257 */
258 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
259
260 /*-----------------------------------------------------------------------
261 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
262 *-----------------------------------------------------------------------
263 * Reset PLL lock status sticky bit, timer expired status bit and timer
264 * interrupt status bit
265 */
266 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
267
268 /*-----------------------------------------------------------------------
269 * SCCR - System Clock and reset Control Register 15-27
270 *-----------------------------------------------------------------------
271 * Set clock output, timebase and RTC source and divider,
272 * power management and some other internal clocks
273 */
274 #define SCCR_MASK SCCR_EBDF11
275 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
276 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
277 SCCR_DFALCD00)
278
279 /*-----------------------------------------------------------------------
280 * PCMCIA stuff
281 *-----------------------------------------------------------------------
282 *
283 */
284 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
285 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
286 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
287 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
288 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
289 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
290 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
291 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
292
293 /*-----------------------------------------------------------------------
294 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
295 *-----------------------------------------------------------------------
296 */
297
298 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
299 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
300
301 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
302 #undef CONFIG_IDE_LED /* LED for ide not supported */
303 #undef CONFIG_IDE_RESET /* reset for ide not supported */
304
305 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
306 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
307
308 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
309
310 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
311
312 /* Offset for data I/O */
313 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
314
315 /* Offset for normal register accesses */
316 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
317
318 /* Offset for alternate registers */
319 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
320
321 /*-----------------------------------------------------------------------
322 *
323 *-----------------------------------------------------------------------
324 *
325 */
326 #define CONFIG_SYS_DER 0
327
328 /*
329 * Init Memory Controller:
330 *
331 * BR0/1 and OR0/1 (FLASH)
332 */
333
334 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
335 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
336
337 /* used to re-map FLASH both when starting from SRAM or FLASH:
338 * restrict access enough to keep SRAM working (if any)
339 * but not too much to meddle with FLASH accesses
340 */
341 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
342 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
343
344 /*
345 * FLASH timing:
346 */
347 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
348 OR_SCY_3_CLK | OR_EHTR | OR_BI)
349
350 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
351 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
352 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
353
354 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
355 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
356 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
357
358 /*
359 * BR2/3 and OR2/3 (SDRAM)
360 *
361 */
362 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
363 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
364 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
365
366 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
367 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
368
369 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
370 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
371
372 #ifndef CONFIG_CAN_DRIVER
373 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
374 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
375 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
376 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
377 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
378 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
379 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
380 BR_PS_8 | BR_MS_UPMB | BR_V )
381 #endif /* CONFIG_CAN_DRIVER */
382
383 /*
384 * Memory Periodic Timer Prescaler
385 *
386 * The Divider for PTA (refresh timer) configuration is based on an
387 * example SDRAM configuration (64 MBit, one bank). The adjustment to
388 * the number of chip selects (NCS) and the actually needed refresh
389 * rate is done by setting MPTPR.
390 *
391 * PTA is calculated from
392 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
393 *
394 * gclk CPU clock (not bus clock!)
395 * Trefresh Refresh cycle * 4 (four word bursts used)
396 *
397 * 4096 Rows from SDRAM example configuration
398 * 1000 factor s -> ms
399 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
400 * 4 Number of refresh cycles per period
401 * 64 Refresh cycle in ms per number of rows
402 * --------------------------------------------
403 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
404 *
405 * 50 MHz => 50.000.000 / Divider = 98
406 * 66 Mhz => 66.000.000 / Divider = 129
407 * 80 Mhz => 80.000.000 / Divider = 156
408 */
409
410 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
411 #define CONFIG_SYS_MAMR_PTA 98
412
413 /*
414 * For 16 MBit, refresh rates could be 31.3 us
415 * (= 64 ms / 2K = 125 / quad bursts).
416 * For a simpler initialization, 15.6 us is used instead.
417 *
418 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
419 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
420 */
421 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
422 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
423
424 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
425 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
426 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
427
428 /*
429 * MAMR settings for SDRAM
430 */
431
432 /* 8 column SDRAM */
433 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
434 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
435 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
436 /* 9 column SDRAM */
437 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
438 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
439 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
440
441 #define CONFIG_HWCONFIG 1
442
443 #endif /* __CONFIG_H */