2 * (C) Copyright 2006-2008
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
9 * board/config.h - configuration options, board specific
16 * High Level Configuration Options
20 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
21 #define CONFIG_VIRTLAB2 1 /* ...on a virtlab2 module */
22 #define CONFIG_TQM8xxL 1
24 #define CONFIG_SYS_TEXT_BASE 0x40000000
26 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
27 #define CONFIG_SYS_SMC_RXBUFLEN 128
28 #define CONFIG_SYS_MAXIDLE 10
29 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
31 #define CONFIG_BOOTCOUNT_LIMIT
33 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
35 #define CONFIG_BOARD_TYPES 1 /* support board types */
37 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
39 #undef CONFIG_BOOTARGS
41 #define CONFIG_EXTRA_ENV_SETTINGS \
43 "nfsargs=setenv bootargs root=/dev/nfs rw " \
44 "nfsroot=${serverip}:${rootpath}\0" \
45 "ramargs=setenv bootargs root=/dev/ram rw\0" \
46 "addip=setenv bootargs ${bootargs} " \
47 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
48 ":${hostname}:${netdev}:off panic=1\0" \
49 "flash_nfs=run nfsargs addip;" \
50 "bootm ${kernel_addr}\0" \
51 "flash_self=run ramargs addip;" \
52 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
53 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
54 "rootpath=/opt/eldk/ppc_8xx\0" \
55 "hostname=virtlab2\0" \
56 "bootfile=virtlab2/uImage\0" \
57 "fdt_addr=40040000\0" \
58 "kernel_addr=40060000\0" \
59 "ramdisk_addr=40200000\0" \
60 "u-boot=virtlab2/u-image.bin\0" \
61 "load=tftp 200000 ${u-boot}\0" \
62 "update=prot off 40000000 +${filesize};" \
63 "era 40000000 +${filesize};" \
64 "cp.b 200000 40000000 ${filesize};" \
65 "sete filesize;save\0" \
67 #define CONFIG_BOOTCOMMAND "run flash_self"
69 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
70 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
72 #undef CONFIG_WATCHDOG /* watchdog disabled */
74 #if defined(CONFIG_LCD)
75 # undef CONFIG_STATUS_LED /* disturbs display */
77 # define CONFIG_STATUS_LED 1 /* Status LED enabled */
78 #endif /* CONFIG_LCD */
80 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
85 #define CONFIG_BOOTP_SUBNETMASK
86 #define CONFIG_BOOTP_GATEWAY
87 #define CONFIG_BOOTP_HOSTNAME
88 #define CONFIG_BOOTP_BOOTPATH
89 #define CONFIG_BOOTP_BOOTFILESIZE
92 #define CONFIG_MAC_PARTITION
93 #define CONFIG_DOS_PARTITION
95 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
99 * Command line configuration.
101 #include <config_cmd_default.h>
103 #define CONFIG_CMD_ASKENV
104 #define CONFIG_CMD_DATE
105 #define CONFIG_CMD_DHCP
106 #define CONFIG_CMD_EXT2
107 #define CONFIG_CMD_IDE
108 #define CONFIG_CMD_JFFS2
109 #define CONFIG_CMD_NFS
110 #define CONFIG_CMD_SNTP
112 #if defined(CONFIG_SPLASH_SCREEN)
113 #define CONFIG_CMD_BMP
117 #define CONFIG_NETCONSOLE
120 * Miscellaneous configurable options
122 #define CONFIG_SYS_LONGHELP /* undef to save memory */
124 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
125 #define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */
127 #if defined(CONFIG_CMD_KGDB)
128 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
130 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
132 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
133 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
134 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
136 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
137 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
139 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
142 * Low Level Configuration Settings
143 * (address mappings, register initial values, etc.)
144 * You should know what you are doing if you make changes here.
146 /*-----------------------------------------------------------------------
147 * Internal Memory Mapped Register
149 #define CONFIG_SYS_IMMR 0xFFF00000
151 /*-----------------------------------------------------------------------
152 * Definitions for initial stack pointer and data area (in DPRAM)
154 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
155 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
156 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
157 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
159 /*-----------------------------------------------------------------------
160 * Start addresses for the final memory configuration
161 * (Set up by the startup code)
162 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
164 #define CONFIG_SYS_SDRAM_BASE 0x00000000
165 #define CONFIG_SYS_FLASH_BASE 0x40000000
166 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
167 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
168 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
171 * For booting Linux, the board info and command line data
172 * have to be in the first 8 MB of memory, since this is
173 * the maximum mapped by the Linux kernel during initialization.
175 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
177 /*-----------------------------------------------------------------------
181 /* use CFI flash driver */
182 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
183 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
184 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
185 #define CONFIG_SYS_FLASH_EMPTY_INFO
186 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
187 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
188 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
190 #define CONFIG_ENV_IS_IN_FLASH 1
191 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
192 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
194 /* Address and size of Redundant Environment Sector */
195 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
196 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
198 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
200 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
202 /*-----------------------------------------------------------------------
203 * Dynamic MTD partition support
205 #define CONFIG_CMD_MTDPARTS
206 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
207 #define CONFIG_FLASH_CFI_MTD
208 #define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
210 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
216 /*-----------------------------------------------------------------------
217 * Hardware Information Block
219 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
220 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
221 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
223 /*-----------------------------------------------------------------------
224 * Cache Configuration
226 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
227 #if defined(CONFIG_CMD_KGDB)
228 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
231 /*-----------------------------------------------------------------------
232 * SYPCR - System Protection Control 11-9
233 * SYPCR can only be written once after reset!
234 *-----------------------------------------------------------------------
235 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
237 #if defined(CONFIG_WATCHDOG)
238 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
239 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
241 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
244 /*-----------------------------------------------------------------------
245 * SIUMCR - SIU Module Configuration 11-6
246 *-----------------------------------------------------------------------
247 * PCMCIA config., multi-function pin tri-state
249 #ifndef CONFIG_CAN_DRIVER
250 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
251 #else /* we must activate GPL5 in the SIUMCR for CAN */
252 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
253 #endif /* CONFIG_CAN_DRIVER */
255 /*-----------------------------------------------------------------------
256 * TBSCR - Time Base Status and Control 11-26
257 *-----------------------------------------------------------------------
258 * Clear Reference Interrupt Status, Timebase freezing enabled
260 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
262 /*-----------------------------------------------------------------------
263 * RTCSC - Real-Time Clock Status and Control Register 11-27
264 *-----------------------------------------------------------------------
266 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
268 /*-----------------------------------------------------------------------
269 * PISCR - Periodic Interrupt Status and Control 11-31
270 *-----------------------------------------------------------------------
271 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
273 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
275 /*-----------------------------------------------------------------------
276 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
277 *-----------------------------------------------------------------------
278 * Reset PLL lock status sticky bit, timer expired status bit and timer
279 * interrupt status bit
281 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
283 /*-----------------------------------------------------------------------
284 * SCCR - System Clock and reset Control Register 15-27
285 *-----------------------------------------------------------------------
286 * Set clock output, timebase and RTC source and divider,
287 * power management and some other internal clocks
289 #define SCCR_MASK SCCR_EBDF11
290 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
291 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
294 /*-----------------------------------------------------------------------
296 *-----------------------------------------------------------------------
299 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
300 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
301 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
302 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
303 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
304 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
305 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
306 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
308 /*-----------------------------------------------------------------------
309 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
310 *-----------------------------------------------------------------------
313 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
314 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
316 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
317 #undef CONFIG_IDE_LED /* LED for ide not supported */
318 #undef CONFIG_IDE_RESET /* reset for ide not supported */
320 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
321 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
323 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
325 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
327 /* Offset for data I/O */
328 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
330 /* Offset for normal register accesses */
331 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
333 /* Offset for alternate registers */
334 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
336 /*-----------------------------------------------------------------------
338 *-----------------------------------------------------------------------
341 #define CONFIG_SYS_DER 0
344 * Init Memory Controller:
346 * BR0/1 and OR0/1 (FLASH)
349 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
350 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
352 /* used to re-map FLASH both when starting from SRAM or FLASH:
353 * restrict access enough to keep SRAM working (if any)
354 * but not too much to meddle with FLASH accesses
356 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
357 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
362 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
363 OR_SCY_3_CLK | OR_EHTR | OR_BI)
365 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
366 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
367 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
369 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
370 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
371 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
374 * BR2/3 and OR2/3 (SDRAM)
377 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
378 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
379 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
381 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
382 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
384 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
385 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
387 #ifndef CONFIG_CAN_DRIVER
388 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
389 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
390 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
391 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
392 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
393 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
394 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
395 BR_PS_8 | BR_MS_UPMB | BR_V )
396 #endif /* CONFIG_CAN_DRIVER */
399 * Memory Periodic Timer Prescaler
401 * The Divider for PTA (refresh timer) configuration is based on an
402 * example SDRAM configuration (64 MBit, one bank). The adjustment to
403 * the number of chip selects (NCS) and the actually needed refresh
404 * rate is done by setting MPTPR.
406 * PTA is calculated from
407 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
409 * gclk CPU clock (not bus clock!)
410 * Trefresh Refresh cycle * 4 (four word bursts used)
412 * 4096 Rows from SDRAM example configuration
413 * 1000 factor s -> ms
414 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
415 * 4 Number of refresh cycles per period
416 * 64 Refresh cycle in ms per number of rows
417 * --------------------------------------------
418 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
420 * 50 MHz => 50.000.000 / Divider = 98
421 * 66 Mhz => 66.000.000 / Divider = 129
422 * 80 Mhz => 80.000.000 / Divider = 156
425 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
426 #define CONFIG_SYS_MAMR_PTA 98
429 * For 16 MBit, refresh rates could be 31.3 us
430 * (= 64 ms / 2K = 125 / quad bursts).
431 * For a simpler initialization, 15.6 us is used instead.
433 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
434 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
436 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
437 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
439 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
440 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
441 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
444 * MAMR settings for SDRAM
448 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
449 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
450 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
452 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
453 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
454 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
456 /* Map peripheral control registers on CS4 */
457 #define CONFIG_SYS_PERIPHERAL_BASE 0xA0000000
458 #define CONFIG_SYS_PERIPHERAL_OR_AM 0xFFFF8000 /* 32 kB address mask */
459 #define CONFIG_SYS_OR4_PRELIM (CONFIG_SYS_PERIPHERAL_OR_AM | OR_TRLX | OR_CSNT_SAM | \
461 #define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_PERIPHERAL_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
462 #define PCMCIA_CTRL (CONFIG_SYS_PERIPHERAL_BASE + 0xB00)
464 /* pass open firmware flat tree */
465 #define CONFIG_OF_LIBFDT 1
466 #define CONFIG_OF_BOARD_SETUP 1
467 #define CONFIG_HWCONFIG 1
469 #endif /* __CONFIG_H */