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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_TQM850M 1 /* ...on a TQM8xxM 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
29 #define CONFIG_BOOTCOUNT_LIMIT
30
31
32 #define CONFIG_BOARD_TYPES 1 /* support board types */
33
34 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
35
36 #undef CONFIG_BOOTARGS
37
38 #define CONFIG_EXTRA_ENV_SETTINGS \
39 "netdev=eth0\0" \
40 "nfsargs=setenv bootargs root=/dev/nfs rw " \
41 "nfsroot=${serverip}:${rootpath}\0" \
42 "ramargs=setenv bootargs root=/dev/ram rw\0" \
43 "addip=setenv bootargs ${bootargs} " \
44 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
45 ":${hostname}:${netdev}:off panic=1\0" \
46 "flash_nfs=run nfsargs addip;" \
47 "bootm ${kernel_addr}\0" \
48 "flash_self=run ramargs addip;" \
49 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
50 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
51 "rootpath=/opt/eldk/ppc_8xx\0" \
52 "hostname=TQM850M\0" \
53 "bootfile=TQM850M/uImage\0" \
54 "fdt_addr=40080000\0" \
55 "kernel_addr=400A0000\0" \
56 "ramdisk_addr=40280000\0" \
57 "u-boot=TQM850M/u-image.bin\0" \
58 "load=tftp 200000 ${u-boot}\0" \
59 "update=prot off 40000000 +${filesize};" \
60 "era 40000000 +${filesize};" \
61 "cp.b 200000 40000000 ${filesize};" \
62 "sete filesize;save\0" \
63 ""
64 #define CONFIG_BOOTCOMMAND "run flash_self"
65
66 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
67 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
68
69 #undef CONFIG_WATCHDOG /* watchdog disabled */
70
71 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
72
73 /*
74 * BOOTP options
75 */
76 #define CONFIG_BOOTP_SUBNETMASK
77 #define CONFIG_BOOTP_GATEWAY
78 #define CONFIG_BOOTP_HOSTNAME
79 #define CONFIG_BOOTP_BOOTPATH
80 #define CONFIG_BOOTP_BOOTFILESIZE
81
82 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
83
84 /*
85 * Command line configuration.
86 */
87
88 #define CONFIG_NETCONSOLE
89
90 /*
91 * Miscellaneous configurable options
92 */
93 #define CONFIG_SYS_LONGHELP /* undef to save memory */
94
95 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
96
97 #if defined(CONFIG_CMD_KGDB)
98 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
99 #else
100 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
101 #endif
102 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
103 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
104 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
105
106 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
107 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
108
109 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
110
111 /*
112 * Low Level Configuration Settings
113 * (address mappings, register initial values, etc.)
114 * You should know what you are doing if you make changes here.
115 */
116 /*-----------------------------------------------------------------------
117 * Internal Memory Mapped Register
118 */
119 #define CONFIG_SYS_IMMR 0xFFF00000
120
121 /*-----------------------------------------------------------------------
122 * Definitions for initial stack pointer and data area (in DPRAM)
123 */
124 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
125 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
126 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
127 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
128
129 /*-----------------------------------------------------------------------
130 * Start addresses for the final memory configuration
131 * (Set up by the startup code)
132 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
133 */
134 #define CONFIG_SYS_SDRAM_BASE 0x00000000
135 #define CONFIG_SYS_FLASH_BASE 0x40000000
136 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
137 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
138 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
139
140 /*
141 * For booting Linux, the board info and command line data
142 * have to be in the first 8 MB of memory, since this is
143 * the maximum mapped by the Linux kernel during initialization.
144 */
145 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
146
147 /*-----------------------------------------------------------------------
148 * FLASH organization
149 */
150
151 /* use CFI flash driver */
152 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
153 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
154 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
155 #define CONFIG_SYS_FLASH_EMPTY_INFO
156 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
157 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
158 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
159
160 #define CONFIG_ENV_IS_IN_FLASH 1
161 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
162 #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
163 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
164
165 /* Address and size of Redundant Environment Sector */
166 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
167 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
168
169 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
170
171 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
172
173 /*-----------------------------------------------------------------------
174 * Dynamic MTD partition support
175 */
176 #define CONFIG_CMD_MTDPARTS
177 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
178 #define CONFIG_FLASH_CFI_MTD
179 #define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
180
181 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
182 "128k(dtb)," \
183 "1920k(kernel)," \
184 "5632(rootfs)," \
185 "4m(data)"
186
187 /*-----------------------------------------------------------------------
188 * Hardware Information Block
189 */
190 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
191 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
192 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
193
194 /*-----------------------------------------------------------------------
195 * Cache Configuration
196 */
197 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
198 #if defined(CONFIG_CMD_KGDB)
199 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
200 #endif
201
202 /*-----------------------------------------------------------------------
203 * SYPCR - System Protection Control 11-9
204 * SYPCR can only be written once after reset!
205 *-----------------------------------------------------------------------
206 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
207 */
208 #if defined(CONFIG_WATCHDOG)
209 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
210 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
211 #else
212 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
213 #endif
214
215 /*-----------------------------------------------------------------------
216 * SIUMCR - SIU Module Configuration 11-6
217 *-----------------------------------------------------------------------
218 * PCMCIA config., multi-function pin tri-state
219 */
220 #ifndef CONFIG_CAN_DRIVER
221 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
222 #else /* we must activate GPL5 in the SIUMCR for CAN */
223 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
224 #endif /* CONFIG_CAN_DRIVER */
225
226 /*-----------------------------------------------------------------------
227 * TBSCR - Time Base Status and Control 11-26
228 *-----------------------------------------------------------------------
229 * Clear Reference Interrupt Status, Timebase freezing enabled
230 */
231 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
232
233 /*-----------------------------------------------------------------------
234 * RTCSC - Real-Time Clock Status and Control Register 11-27
235 *-----------------------------------------------------------------------
236 */
237 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
238
239 /*-----------------------------------------------------------------------
240 * PISCR - Periodic Interrupt Status and Control 11-31
241 *-----------------------------------------------------------------------
242 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
243 */
244 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
245
246 /*-----------------------------------------------------------------------
247 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
248 *-----------------------------------------------------------------------
249 * Reset PLL lock status sticky bit, timer expired status bit and timer
250 * interrupt status bit
251 */
252 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
253
254 /*-----------------------------------------------------------------------
255 * SCCR - System Clock and reset Control Register 15-27
256 *-----------------------------------------------------------------------
257 * Set clock output, timebase and RTC source and divider,
258 * power management and some other internal clocks
259 */
260 #define SCCR_MASK SCCR_EBDF11
261 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
262 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
263 SCCR_DFALCD00)
264
265 /*-----------------------------------------------------------------------
266 * PCMCIA stuff
267 *-----------------------------------------------------------------------
268 *
269 */
270 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
271 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
272 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
273 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
274 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
275 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
276 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
277 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
278
279 /*-----------------------------------------------------------------------
280 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
281 *-----------------------------------------------------------------------
282 */
283
284 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
285 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
286
287 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
288 #undef CONFIG_IDE_LED /* LED for ide not supported */
289 #undef CONFIG_IDE_RESET /* reset for ide not supported */
290
291 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
292 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
293
294 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
295
296 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
297
298 /* Offset for data I/O */
299 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
300
301 /* Offset for normal register accesses */
302 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
303
304 /* Offset for alternate registers */
305 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
306
307 /*-----------------------------------------------------------------------
308 *
309 *-----------------------------------------------------------------------
310 *
311 */
312 #define CONFIG_SYS_DER 0
313
314 /*
315 * Init Memory Controller:
316 *
317 * BR0/1 and OR0/1 (FLASH)
318 */
319
320 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
321 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
322
323 /* used to re-map FLASH both when starting from SRAM or FLASH:
324 * restrict access enough to keep SRAM working (if any)
325 * but not too much to meddle with FLASH accesses
326 */
327 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
328 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
329
330 /*
331 * FLASH timing:
332 */
333 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
334 OR_SCY_3_CLK | OR_EHTR | OR_BI)
335
336 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
337 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
338 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
339
340 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
341 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
342 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
343
344 /*
345 * BR2/3 and OR2/3 (SDRAM)
346 *
347 */
348 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
349 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
350 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
351
352 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
353 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
354
355 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
356 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
357
358 #ifndef CONFIG_CAN_DRIVER
359 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
360 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
361 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
362 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
363 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
364 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
365 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
366 BR_PS_8 | BR_MS_UPMB | BR_V )
367 #endif /* CONFIG_CAN_DRIVER */
368
369 /*
370 * Memory Periodic Timer Prescaler
371 *
372 * The Divider for PTA (refresh timer) configuration is based on an
373 * example SDRAM configuration (64 MBit, one bank). The adjustment to
374 * the number of chip selects (NCS) and the actually needed refresh
375 * rate is done by setting MPTPR.
376 *
377 * PTA is calculated from
378 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
379 *
380 * gclk CPU clock (not bus clock!)
381 * Trefresh Refresh cycle * 4 (four word bursts used)
382 *
383 * 4096 Rows from SDRAM example configuration
384 * 1000 factor s -> ms
385 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
386 * 4 Number of refresh cycles per period
387 * 64 Refresh cycle in ms per number of rows
388 * --------------------------------------------
389 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
390 *
391 * 50 MHz => 50.000.000 / Divider = 98
392 * 66 Mhz => 66.000.000 / Divider = 129
393 * 80 Mhz => 80.000.000 / Divider = 156
394 */
395
396 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
397 #define CONFIG_SYS_MAMR_PTA 98
398
399 /*
400 * For 16 MBit, refresh rates could be 31.3 us
401 * (= 64 ms / 2K = 125 / quad bursts).
402 * For a simpler initialization, 15.6 us is used instead.
403 *
404 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
405 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
406 */
407 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
408 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
409
410 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
411 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
412 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
413
414 /*
415 * MAMR settings for SDRAM
416 */
417
418 /* 8 column SDRAM */
419 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
420 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
421 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
422 /* 9 column SDRAM */
423 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
424 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
425 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
426
427 #define CONFIG_HWCONFIG 1
428
429 #endif /* __CONFIG_H */