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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_MPC850 1 /* This is a MPC850 CPU */
21 #define CONFIG_TQM850L 1 /* ...on a TQM8xxL module */
22
23 #define CONFIG_SYS_TEXT_BASE 0x40000000
24
25 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
26 #define CONFIG_SYS_SMC_RXBUFLEN 128
27 #define CONFIG_SYS_MAXIDLE 10
28 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
29
30 #define CONFIG_BOOTCOUNT_LIMIT
31
32
33 #define CONFIG_BOARD_TYPES 1 /* support board types */
34
35 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
36
37 #undef CONFIG_BOOTARGS
38
39 #define CONFIG_EXTRA_ENV_SETTINGS \
40 "netdev=eth0\0" \
41 "nfsargs=setenv bootargs root=/dev/nfs rw " \
42 "nfsroot=${serverip}:${rootpath}\0" \
43 "ramargs=setenv bootargs root=/dev/ram rw\0" \
44 "addip=setenv bootargs ${bootargs} " \
45 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
46 ":${hostname}:${netdev}:off panic=1\0" \
47 "flash_nfs=run nfsargs addip;" \
48 "bootm ${kernel_addr}\0" \
49 "flash_self=run ramargs addip;" \
50 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
51 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
52 "rootpath=/opt/eldk/ppc_8xx\0" \
53 "hostname=TQM850L\0" \
54 "bootfile=TQM850L/uImage\0" \
55 "fdt_addr=40040000\0" \
56 "kernel_addr=40060000\0" \
57 "ramdisk_addr=40200000\0" \
58 "u-boot=TQM850L/u-image.bin\0" \
59 "load=tftp 200000 ${u-boot}\0" \
60 "update=prot off 40000000 +${filesize};" \
61 "era 40000000 +${filesize};" \
62 "cp.b 200000 40000000 ${filesize};" \
63 "sete filesize;save\0" \
64 ""
65 #define CONFIG_BOOTCOMMAND "run flash_self"
66
67 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
68 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
69
70 #undef CONFIG_WATCHDOG /* watchdog disabled */
71
72 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
73
74 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
75
76 /*
77 * BOOTP options
78 */
79 #define CONFIG_BOOTP_SUBNETMASK
80 #define CONFIG_BOOTP_GATEWAY
81 #define CONFIG_BOOTP_HOSTNAME
82 #define CONFIG_BOOTP_BOOTPATH
83 #define CONFIG_BOOTP_BOOTFILESIZE
84
85 #define CONFIG_MAC_PARTITION
86 #define CONFIG_DOS_PARTITION
87
88 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
89
90 /*
91 * Command line configuration.
92 */
93 #define CONFIG_CMD_DATE
94 #define CONFIG_CMD_IDE
95 #define CONFIG_CMD_JFFS2
96
97 #define CONFIG_NETCONSOLE
98
99 /*
100 * Miscellaneous configurable options
101 */
102 #define CONFIG_SYS_LONGHELP /* undef to save memory */
103
104 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
105
106 #if defined(CONFIG_CMD_KGDB)
107 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
108 #else
109 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
110 #endif
111 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
112 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
113 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
114
115 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
116 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
117
118 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
119
120 /*
121 * Low Level Configuration Settings
122 * (address mappings, register initial values, etc.)
123 * You should know what you are doing if you make changes here.
124 */
125 /*-----------------------------------------------------------------------
126 * Internal Memory Mapped Register
127 */
128 #define CONFIG_SYS_IMMR 0xFFF00000
129
130 /*-----------------------------------------------------------------------
131 * Definitions for initial stack pointer and data area (in DPRAM)
132 */
133 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
134 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
135 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
136 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
137
138 /*-----------------------------------------------------------------------
139 * Start addresses for the final memory configuration
140 * (Set up by the startup code)
141 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
142 */
143 #define CONFIG_SYS_SDRAM_BASE 0x00000000
144 #define CONFIG_SYS_FLASH_BASE 0x40000000
145 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
146 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
147 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
148
149 /*
150 * For booting Linux, the board info and command line data
151 * have to be in the first 8 MB of memory, since this is
152 * the maximum mapped by the Linux kernel during initialization.
153 */
154 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
155
156 /*-----------------------------------------------------------------------
157 * FLASH organization
158 */
159
160 /* use CFI flash driver */
161 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
162 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
163 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
164 #define CONFIG_SYS_FLASH_EMPTY_INFO
165 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
166 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
167 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
168
169 #define CONFIG_ENV_IS_IN_FLASH 1
170 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
171 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
172
173 /* Address and size of Redundant Environment Sector */
174 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
175 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
176
177 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
178
179 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
180
181 /*-----------------------------------------------------------------------
182 * Dynamic MTD partition support
183 */
184 #define CONFIG_CMD_MTDPARTS
185 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
186 #define CONFIG_FLASH_CFI_MTD
187 #define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
188
189 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
190 "128k(dtb)," \
191 "1664k(kernel)," \
192 "2m(rootfs)," \
193 "4m(data)"
194
195 /*-----------------------------------------------------------------------
196 * Hardware Information Block
197 */
198 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
199 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
200 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
201
202 /*-----------------------------------------------------------------------
203 * Cache Configuration
204 */
205 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
206 #if defined(CONFIG_CMD_KGDB)
207 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
208 #endif
209
210 /*-----------------------------------------------------------------------
211 * SYPCR - System Protection Control 11-9
212 * SYPCR can only be written once after reset!
213 *-----------------------------------------------------------------------
214 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
215 */
216 #if defined(CONFIG_WATCHDOG)
217 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
218 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
219 #else
220 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
221 #endif
222
223 /*-----------------------------------------------------------------------
224 * SIUMCR - SIU Module Configuration 11-6
225 *-----------------------------------------------------------------------
226 * PCMCIA config., multi-function pin tri-state
227 */
228 #ifndef CONFIG_CAN_DRIVER
229 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
230 #else /* we must activate GPL5 in the SIUMCR for CAN */
231 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
232 #endif /* CONFIG_CAN_DRIVER */
233
234 /*-----------------------------------------------------------------------
235 * TBSCR - Time Base Status and Control 11-26
236 *-----------------------------------------------------------------------
237 * Clear Reference Interrupt Status, Timebase freezing enabled
238 */
239 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
240
241 /*-----------------------------------------------------------------------
242 * RTCSC - Real-Time Clock Status and Control Register 11-27
243 *-----------------------------------------------------------------------
244 */
245 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
246
247 /*-----------------------------------------------------------------------
248 * PISCR - Periodic Interrupt Status and Control 11-31
249 *-----------------------------------------------------------------------
250 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
251 */
252 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
253
254 /*-----------------------------------------------------------------------
255 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
256 *-----------------------------------------------------------------------
257 * Reset PLL lock status sticky bit, timer expired status bit and timer
258 * interrupt status bit
259 */
260 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
261
262 /*-----------------------------------------------------------------------
263 * SCCR - System Clock and reset Control Register 15-27
264 *-----------------------------------------------------------------------
265 * Set clock output, timebase and RTC source and divider,
266 * power management and some other internal clocks
267 */
268 #define SCCR_MASK SCCR_EBDF11
269 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
270 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
271 SCCR_DFALCD00)
272
273 /*-----------------------------------------------------------------------
274 * PCMCIA stuff
275 *-----------------------------------------------------------------------
276 *
277 */
278 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
279 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
280 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
281 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
282 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
283 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
284 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
285 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
286
287 /*-----------------------------------------------------------------------
288 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
289 *-----------------------------------------------------------------------
290 */
291
292 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
293 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
294
295 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
296 #undef CONFIG_IDE_LED /* LED for ide not supported */
297 #undef CONFIG_IDE_RESET /* reset for ide not supported */
298
299 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
300 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
301
302 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
303
304 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
305
306 /* Offset for data I/O */
307 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
308
309 /* Offset for normal register accesses */
310 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
311
312 /* Offset for alternate registers */
313 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
314
315 /*-----------------------------------------------------------------------
316 *
317 *-----------------------------------------------------------------------
318 *
319 */
320 #define CONFIG_SYS_DER 0
321
322 /*
323 * Init Memory Controller:
324 *
325 * BR0/1 and OR0/1 (FLASH)
326 */
327
328 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
329 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
330
331 /* used to re-map FLASH both when starting from SRAM or FLASH:
332 * restrict access enough to keep SRAM working (if any)
333 * but not too much to meddle with FLASH accesses
334 */
335 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
336 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
337
338 /*
339 * FLASH timing:
340 */
341 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
342 OR_SCY_3_CLK | OR_EHTR | OR_BI)
343
344 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
345 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
346 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
347
348 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
349 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
350 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
351
352 /*
353 * BR2/3 and OR2/3 (SDRAM)
354 *
355 */
356 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
357 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
358 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
359
360 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
361 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
362
363 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
364 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
365
366 #ifndef CONFIG_CAN_DRIVER
367 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
368 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
369 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
370 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
371 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
372 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
373 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
374 BR_PS_8 | BR_MS_UPMB | BR_V )
375 #endif /* CONFIG_CAN_DRIVER */
376
377 /*
378 * Memory Periodic Timer Prescaler
379 *
380 * The Divider for PTA (refresh timer) configuration is based on an
381 * example SDRAM configuration (64 MBit, one bank). The adjustment to
382 * the number of chip selects (NCS) and the actually needed refresh
383 * rate is done by setting MPTPR.
384 *
385 * PTA is calculated from
386 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
387 *
388 * gclk CPU clock (not bus clock!)
389 * Trefresh Refresh cycle * 4 (four word bursts used)
390 *
391 * 4096 Rows from SDRAM example configuration
392 * 1000 factor s -> ms
393 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
394 * 4 Number of refresh cycles per period
395 * 64 Refresh cycle in ms per number of rows
396 * --------------------------------------------
397 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
398 *
399 * 50 MHz => 50.000.000 / Divider = 98
400 * 66 Mhz => 66.000.000 / Divider = 129
401 * 80 Mhz => 80.000.000 / Divider = 156
402 */
403
404 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
405 #define CONFIG_SYS_MAMR_PTA 98
406
407 /*
408 * For 16 MBit, refresh rates could be 31.3 us
409 * (= 64 ms / 2K = 125 / quad bursts).
410 * For a simpler initialization, 15.6 us is used instead.
411 *
412 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
413 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
414 */
415 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
416 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
417
418 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
419 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
420 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
421
422 /*
423 * MAMR settings for SDRAM
424 */
425
426 /* 8 column SDRAM */
427 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
428 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
429 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
430 /* 9 column SDRAM */
431 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
432 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
433 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
434
435 #define CONFIG_HWCONFIG 1
436
437 #endif /* __CONFIG_H */