2 * (C) Copyright 2000-2014
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_MPC855 1 /* This is a MPC855 CPU */
21 #define CONFIG_TQM855M 1 /* ...on a TQM8xxM module */
22 #define CONFIG_DISPLAY_BOARDINFO
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;" \
38 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
41 #undef CONFIG_BOOTARGS
43 #define CONFIG_EXTRA_ENV_SETTINGS \
45 "nfsargs=setenv bootargs root=/dev/nfs rw " \
46 "nfsroot=${serverip}:${rootpath}\0" \
47 "ramargs=setenv bootargs root=/dev/ram rw\0" \
48 "addip=setenv bootargs ${bootargs} " \
49 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
50 ":${hostname}:${netdev}:off panic=1\0" \
51 "flash_nfs=run nfsargs addip;" \
52 "bootm ${kernel_addr}\0" \
53 "flash_self=run ramargs addip;" \
54 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
55 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
56 "rootpath=/opt/eldk/ppc_8xx\0" \
57 "hostname=TQM855M\0" \
58 "bootfile=TQM855M/uImage\0" \
59 "fdt_addr=40080000\0" \
60 "kernel_addr=400A0000\0" \
61 "ramdisk_addr=40280000\0" \
62 "u-boot=TQM855M/u-image.bin\0" \
63 "load=tftp 200000 ${u-boot}\0" \
64 "update=prot off 40000000 +${filesize};" \
65 "era 40000000 +${filesize};" \
66 "cp.b 200000 40000000 ${filesize};" \
67 "sete filesize;save\0" \
69 #define CONFIG_BOOTCOMMAND "run flash_self"
71 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
72 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
74 #undef CONFIG_WATCHDOG /* watchdog disabled */
76 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
78 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
80 /* enable I2C and select the hardware/software driver */
81 #define CONFIG_SYS_I2C
82 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
83 #define CONFIG_SYS_I2C_SOFT_SPEED 93000 /* 93 kHz is supposed to work */
84 #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
86 * Software (bit-bang) I2C driver configuration
88 #define PB_SCL 0x00000020 /* PB 26 */
89 #define PB_SDA 0x00000010 /* PB 27 */
91 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
92 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
93 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
94 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
95 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
96 else immr->im_cpm.cp_pbdat &= ~PB_SDA
97 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
98 else immr->im_cpm.cp_pbdat &= ~PB_SCL
99 #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
101 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C64 */
102 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
104 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
105 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x01
106 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
112 #define CONFIG_BOOTP_SUBNETMASK
113 #define CONFIG_BOOTP_GATEWAY
114 #define CONFIG_BOOTP_HOSTNAME
115 #define CONFIG_BOOTP_BOOTPATH
116 #define CONFIG_BOOTP_BOOTFILESIZE
119 #define CONFIG_MAC_PARTITION
120 #define CONFIG_DOS_PARTITION
122 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
126 * Command line configuration.
128 #define CONFIG_CMD_ASKENV
129 #define CONFIG_CMD_DATE
130 #define CONFIG_CMD_DHCP
131 #define CONFIG_CMD_EXT2
132 #define CONFIG_CMD_EEPROM
133 #define CONFIG_CMD_IDE
134 #define CONFIG_CMD_JFFS2
135 #define CONFIG_CMD_SNTP
138 #define CONFIG_NETCONSOLE
142 * Miscellaneous configurable options
144 #define CONFIG_SYS_LONGHELP /* undef to save memory */
146 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
147 #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
149 #if defined(CONFIG_CMD_KGDB)
150 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
152 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
154 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
155 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
156 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
158 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
159 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
161 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
164 * Low Level Configuration Settings
165 * (address mappings, register initial values, etc.)
166 * You should know what you are doing if you make changes here.
168 /*-----------------------------------------------------------------------
169 * Internal Memory Mapped Register
171 #define CONFIG_SYS_IMMR 0xFFF00000
173 /*-----------------------------------------------------------------------
174 * Definitions for initial stack pointer and data area (in DPRAM)
176 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
177 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
178 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
179 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
181 /*-----------------------------------------------------------------------
182 * Start addresses for the final memory configuration
183 * (Set up by the startup code)
184 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
186 #define CONFIG_SYS_SDRAM_BASE 0x00000000
187 #define CONFIG_SYS_FLASH_BASE 0x40000000
188 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
189 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
190 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
193 * For booting Linux, the board info and command line data
194 * have to be in the first 8 MB of memory, since this is
195 * the maximum mapped by the Linux kernel during initialization.
197 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
199 /*-----------------------------------------------------------------------
203 /* use CFI flash driver */
204 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
205 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
206 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
207 #define CONFIG_SYS_FLASH_EMPTY_INFO
208 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
209 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
210 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
212 #define CONFIG_ENV_IS_IN_FLASH 1
213 #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
214 #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */
215 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
217 /* Address and size of Redundant Environment Sector */
218 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
219 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
221 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
223 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
225 /*-----------------------------------------------------------------------
226 * Dynamic MTD partition support
228 #define CONFIG_CMD_MTDPARTS
229 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
230 #define CONFIG_FLASH_CFI_MTD
231 #define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
233 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
239 /*-----------------------------------------------------------------------
240 * Hardware Information Block
242 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
243 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
244 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
246 /*-----------------------------------------------------------------------
247 * Cache Configuration
249 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
250 #if defined(CONFIG_CMD_KGDB)
251 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
254 /*-----------------------------------------------------------------------
255 * SYPCR - System Protection Control 11-9
256 * SYPCR can only be written once after reset!
257 *-----------------------------------------------------------------------
258 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
260 #if defined(CONFIG_WATCHDOG)
261 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
262 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
264 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
267 /*-----------------------------------------------------------------------
268 * SIUMCR - SIU Module Configuration 11-6
269 *-----------------------------------------------------------------------
270 * PCMCIA config., multi-function pin tri-state
272 #ifndef CONFIG_CAN_DRIVER
273 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
274 #else /* we must activate GPL5 in the SIUMCR for CAN */
275 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
276 #endif /* CONFIG_CAN_DRIVER */
278 /*-----------------------------------------------------------------------
279 * TBSCR - Time Base Status and Control 11-26
280 *-----------------------------------------------------------------------
281 * Clear Reference Interrupt Status, Timebase freezing enabled
283 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
285 /*-----------------------------------------------------------------------
286 * RTCSC - Real-Time Clock Status and Control Register 11-27
287 *-----------------------------------------------------------------------
289 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
291 /*-----------------------------------------------------------------------
292 * PISCR - Periodic Interrupt Status and Control 11-31
293 *-----------------------------------------------------------------------
294 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
296 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
298 /*-----------------------------------------------------------------------
299 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
300 *-----------------------------------------------------------------------
301 * Reset PLL lock status sticky bit, timer expired status bit and timer
302 * interrupt status bit
304 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
306 /*-----------------------------------------------------------------------
307 * SCCR - System Clock and reset Control Register 15-27
308 *-----------------------------------------------------------------------
309 * Set clock output, timebase and RTC source and divider,
310 * power management and some other internal clocks
312 #define SCCR_MASK SCCR_EBDF11
313 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
314 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
317 /*-----------------------------------------------------------------------
319 *-----------------------------------------------------------------------
322 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
323 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
324 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
325 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
326 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
327 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
328 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
329 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
331 /*-----------------------------------------------------------------------
332 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
333 *-----------------------------------------------------------------------
336 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
337 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
339 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
340 #undef CONFIG_IDE_LED /* LED for ide not supported */
341 #undef CONFIG_IDE_RESET /* reset for ide not supported */
343 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
344 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
346 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
348 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
350 /* Offset for data I/O */
351 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
353 /* Offset for normal register accesses */
354 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
356 /* Offset for alternate registers */
357 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
359 /*-----------------------------------------------------------------------
361 *-----------------------------------------------------------------------
364 #define CONFIG_SYS_DER 0
367 * Init Memory Controller:
369 * BR0/1 and OR0/1 (FLASH)
372 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
373 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
375 /* used to re-map FLASH both when starting from SRAM or FLASH:
376 * restrict access enough to keep SRAM working (if any)
377 * but not too much to meddle with FLASH accesses
379 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
380 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
385 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
386 OR_SCY_3_CLK | OR_EHTR | OR_BI)
388 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
389 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
390 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
392 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
393 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
394 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
397 * BR2/3 and OR2/3 (SDRAM)
400 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
401 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
402 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
404 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
405 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
407 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
408 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
410 #ifndef CONFIG_CAN_DRIVER
411 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
412 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
413 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
414 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
415 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
416 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
417 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
418 BR_PS_8 | BR_MS_UPMB | BR_V )
419 #endif /* CONFIG_CAN_DRIVER */
422 * Memory Periodic Timer Prescaler
424 * The Divider for PTA (refresh timer) configuration is based on an
425 * example SDRAM configuration (64 MBit, one bank). The adjustment to
426 * the number of chip selects (NCS) and the actually needed refresh
427 * rate is done by setting MPTPR.
429 * PTA is calculated from
430 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
432 * gclk CPU clock (not bus clock!)
433 * Trefresh Refresh cycle * 4 (four word bursts used)
435 * 4096 Rows from SDRAM example configuration
436 * 1000 factor s -> ms
437 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
438 * 4 Number of refresh cycles per period
439 * 64 Refresh cycle in ms per number of rows
440 * --------------------------------------------
441 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
443 * 50 MHz => 50.000.000 / Divider = 98
444 * 66 Mhz => 66.000.000 / Divider = 129
445 * 80 Mhz => 80.000.000 / Divider = 156
448 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
449 #define CONFIG_SYS_MAMR_PTA 98
452 * For 16 MBit, refresh rates could be 31.3 us
453 * (= 64 ms / 2K = 125 / quad bursts).
454 * For a simpler initialization, 15.6 us is used instead.
456 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
457 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
459 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
460 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
462 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
463 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
464 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
467 * MAMR settings for SDRAM
471 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
472 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
473 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
475 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
476 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
477 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
479 #define CONFIG_SCC1_ENET
480 #define CONFIG_FEC_ENET
481 #define CONFIG_ETHPRIME "SCC"
483 /* pass open firmware flat tree */
484 #define CONFIG_OF_LIBFDT 1
485 #define CONFIG_OF_BOARD_SETUP 1
486 #define CONFIG_HWCONFIG 1
488 #endif /* __CONFIG_H */