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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
36 #define CONFIG_BOOTCOUNT_LIMIT
37
38
39 #define CONFIG_BOARD_TYPES 1 /* support board types */
40
41 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
42
43 #undef CONFIG_BOOTARGS
44
45 #define CONFIG_EXTRA_ENV_SETTINGS \
46 "netdev=eth0\0" \
47 "nfsargs=setenv bootargs root=/dev/nfs rw " \
48 "nfsroot=${serverip}:${rootpath}\0" \
49 "ramargs=setenv bootargs root=/dev/ram rw\0" \
50 "addip=setenv bootargs ${bootargs} " \
51 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
52 ":${hostname}:${netdev}:off panic=1\0" \
53 "flash_nfs=run nfsargs addip;" \
54 "bootm ${kernel_addr}\0" \
55 "flash_self=run ramargs addip;" \
56 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
57 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
58 "rootpath=/opt/eldk/ppc_8xx\0" \
59 "hostname=TQM823L\0" \
60 "bootfile=TQM823L/uImage\0" \
61 "fdt_addr=40040000\0" \
62 "kernel_addr=40060000\0" \
63 "ramdisk_addr=40200000\0" \
64 "u-boot=TQM823L/u-image.bin\0" \
65 "load=tftp 200000 ${u-boot}\0" \
66 "update=prot off 40000000 +${filesize};" \
67 "era 40000000 +${filesize};" \
68 "cp.b 200000 40000000 ${filesize};" \
69 "sete filesize;save\0" \
70 ""
71 #define CONFIG_BOOTCOMMAND "run flash_self"
72
73 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
74 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
75
76 #undef CONFIG_WATCHDOG /* watchdog disabled */
77
78 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
79
80 /*
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
89 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
90
91 /*
92 * Command line configuration.
93 */
94 #define CONFIG_CMD_DATE
95 #define CONFIG_CMD_IDE
96 #define CONFIG_CMD_JFFS2
97
98 #define CONFIG_NETCONSOLE
99
100 /*
101 * Miscellaneous configurable options
102 */
103 #define CONFIG_SYS_LONGHELP /* undef to save memory */
104
105 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
106
107 #if defined(CONFIG_CMD_KGDB)
108 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
109 #else
110 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
111 #endif
112 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
113 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
114 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
115
116 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
117 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
118
119 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
120
121 /*
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.
125 */
126 /*-----------------------------------------------------------------------
127 * Internal Memory Mapped Register
128 */
129 #define CONFIG_SYS_IMMR 0xFFF00000
130
131 /*-----------------------------------------------------------------------
132 * Definitions for initial stack pointer and data area (in DPRAM)
133 */
134 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
135 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
136 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
137 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
138
139 /*-----------------------------------------------------------------------
140 * Start addresses for the final memory configuration
141 * (Set up by the startup code)
142 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
143 */
144 #define CONFIG_SYS_SDRAM_BASE 0x00000000
145 #define CONFIG_SYS_FLASH_BASE 0x40000000
146 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
147 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
148 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
149
150 /*
151 * For booting Linux, the board info and command line data
152 * have to be in the first 8 MB of memory, since this is
153 * the maximum mapped by the Linux kernel during initialization.
154 */
155 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
156
157 /*-----------------------------------------------------------------------
158 * FLASH organization
159 */
160
161 /* use CFI flash driver */
162 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
163 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
164 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
165 #define CONFIG_SYS_FLASH_EMPTY_INFO
166 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
167 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
168 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
169
170 #define CONFIG_ENV_IS_IN_FLASH 1
171 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
172 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
173
174 /* Address and size of Redundant Environment Sector */
175 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
176 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
177
178 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
179
180 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
181
182 /*-----------------------------------------------------------------------
183 * Dynamic MTD partition support
184 */
185 #define CONFIG_CMD_MTDPARTS
186 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
187 #define CONFIG_FLASH_CFI_MTD
188 #define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
189
190 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
191 "128k(dtb)," \
192 "1664k(kernel)," \
193 "2m(rootfs)," \
194 "4m(data)"
195
196 /*-----------------------------------------------------------------------
197 * Hardware Information Block
198 */
199 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
200 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
201 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
202
203 /*-----------------------------------------------------------------------
204 * Cache Configuration
205 */
206 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
207 #if defined(CONFIG_CMD_KGDB)
208 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
209 #endif
210
211 /*-----------------------------------------------------------------------
212 * SYPCR - System Protection Control 11-9
213 * SYPCR can only be written once after reset!
214 *-----------------------------------------------------------------------
215 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
216 */
217 #if defined(CONFIG_WATCHDOG)
218 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
219 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
220 #else
221 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
222 #endif
223
224 /*-----------------------------------------------------------------------
225 * SIUMCR - SIU Module Configuration 11-6
226 *-----------------------------------------------------------------------
227 * PCMCIA config., multi-function pin tri-state
228 */
229 #ifndef CONFIG_CAN_DRIVER
230 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
231 #else /* we must activate GPL5 in the SIUMCR for CAN */
232 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
233 #endif /* CONFIG_CAN_DRIVER */
234
235 /*-----------------------------------------------------------------------
236 * TBSCR - Time Base Status and Control 11-26
237 *-----------------------------------------------------------------------
238 * Clear Reference Interrupt Status, Timebase freezing enabled
239 */
240 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
241
242 /*-----------------------------------------------------------------------
243 * RTCSC - Real-Time Clock Status and Control Register 11-27
244 *-----------------------------------------------------------------------
245 */
246 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
247
248 /*-----------------------------------------------------------------------
249 * PISCR - Periodic Interrupt Status and Control 11-31
250 *-----------------------------------------------------------------------
251 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
252 */
253 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
254
255 /*-----------------------------------------------------------------------
256 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
257 *-----------------------------------------------------------------------
258 * Reset PLL lock status sticky bit, timer expired status bit and timer
259 * interrupt status bit
260 */
261 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
262
263 /*-----------------------------------------------------------------------
264 * SCCR - System Clock and reset Control Register 15-27
265 *-----------------------------------------------------------------------
266 * Set clock output, timebase and RTC source and divider,
267 * power management and some other internal clocks
268 */
269 #define SCCR_MASK SCCR_EBDF11
270 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
271 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
272 SCCR_DFALCD00)
273
274 /*-----------------------------------------------------------------------
275 * PCMCIA stuff
276 *-----------------------------------------------------------------------
277 *
278 */
279 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
280 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
281 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
282 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
283 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
284 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
285 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
286 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
287
288 /*-----------------------------------------------------------------------
289 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
290 *-----------------------------------------------------------------------
291 */
292
293 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
294 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
295
296 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
297 #undef CONFIG_IDE_LED /* LED for ide not supported */
298 #undef CONFIG_IDE_RESET /* reset for ide not supported */
299
300 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
301 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
302
303 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
304
305 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
306
307 /* Offset for data I/O */
308 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
309
310 /* Offset for normal register accesses */
311 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
312
313 /* Offset for alternate registers */
314 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
315
316 /*-----------------------------------------------------------------------
317 *
318 *-----------------------------------------------------------------------
319 *
320 */
321 #define CONFIG_SYS_DER 0
322
323 /*
324 * Init Memory Controller:
325 *
326 * BR0/1 and OR0/1 (FLASH)
327 */
328
329 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
330 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
331
332 /* used to re-map FLASH both when starting from SRAM or FLASH:
333 * restrict access enough to keep SRAM working (if any)
334 * but not too much to meddle with FLASH accesses
335 */
336 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
337 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
338
339 /*
340 * FLASH timing:
341 */
342 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
343 OR_SCY_3_CLK | OR_EHTR | OR_BI)
344
345 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
346 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
347 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
348
349 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
350 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
351 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
352
353 /*
354 * BR2/3 and OR2/3 (SDRAM)
355 *
356 */
357 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
358 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
359 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
360
361 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
362 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
363
364 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
365 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
366
367 #ifndef CONFIG_CAN_DRIVER
368 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
369 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
370 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
371 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
372 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
373 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
374 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
375 BR_PS_8 | BR_MS_UPMB | BR_V )
376 #endif /* CONFIG_CAN_DRIVER */
377
378 /*
379 * Memory Periodic Timer Prescaler
380 *
381 * The Divider for PTA (refresh timer) configuration is based on an
382 * example SDRAM configuration (64 MBit, one bank). The adjustment to
383 * the number of chip selects (NCS) and the actually needed refresh
384 * rate is done by setting MPTPR.
385 *
386 * PTA is calculated from
387 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
388 *
389 * gclk CPU clock (not bus clock!)
390 * Trefresh Refresh cycle * 4 (four word bursts used)
391 *
392 * 4096 Rows from SDRAM example configuration
393 * 1000 factor s -> ms
394 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
395 * 4 Number of refresh cycles per period
396 * 64 Refresh cycle in ms per number of rows
397 * --------------------------------------------
398 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
399 *
400 * 50 MHz => 50.000.000 / Divider = 98
401 * 66 Mhz => 66.000.000 / Divider = 129
402 * 80 Mhz => 80.000.000 / Divider = 156
403 */
404
405 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
406 #define CONFIG_SYS_MAMR_PTA 98
407
408 /*
409 * For 16 MBit, refresh rates could be 31.3 us
410 * (= 64 ms / 2K = 125 / quad bursts).
411 * For a simpler initialization, 15.6 us is used instead.
412 *
413 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
414 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
415 */
416 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
417 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
418
419 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
420 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
421 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
422
423 /*
424 * MAMR settings for SDRAM
425 */
426
427 /* 8 column SDRAM */
428 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
429 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
430 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
431 /* 9 column SDRAM */
432 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
433 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
434 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
435
436 #define CONFIG_HWCONFIG 1
437
438 #endif /* __CONFIG_H */