2 * (C) Copyright 2000-2008
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_MPC850 1 /* This is a MPC850 CPU */
21 #define CONFIG_TQM850L 1 /* ...on a TQM8xxL module */
23 #define CONFIG_SYS_TEXT_BASE 0x40000000
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 */
30 #define CONFIG_BOOTCOUNT_LIMIT
32 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
34 #define CONFIG_BOARD_TYPES 1 /* support board types */
36 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
38 #undef CONFIG_BOOTARGS
40 #define CONFIG_EXTRA_ENV_SETTINGS \
42 "nfsargs=setenv bootargs root=/dev/nfs rw " \
43 "nfsroot=${serverip}:${rootpath}\0" \
44 "ramargs=setenv bootargs root=/dev/ram rw\0" \
45 "addip=setenv bootargs ${bootargs} " \
46 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
47 ":${hostname}:${netdev}:off panic=1\0" \
48 "flash_nfs=run nfsargs addip;" \
49 "bootm ${kernel_addr}\0" \
50 "flash_self=run ramargs addip;" \
51 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
52 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
53 "rootpath=/opt/eldk/ppc_8xx\0" \
54 "hostname=TQM850L\0" \
55 "bootfile=TQM850L/uImage\0" \
56 "fdt_addr=40040000\0" \
57 "kernel_addr=40060000\0" \
58 "ramdisk_addr=40200000\0" \
59 "u-boot=TQM850L/u-image.bin\0" \
60 "load=tftp 200000 ${u-boot}\0" \
61 "update=prot off 40000000 +${filesize};" \
62 "era 40000000 +${filesize};" \
63 "cp.b 200000 40000000 ${filesize};" \
64 "sete filesize;save\0" \
66 #define CONFIG_BOOTCOMMAND "run flash_self"
68 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
69 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
71 #undef CONFIG_WATCHDOG /* watchdog disabled */
73 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
75 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
80 #define CONFIG_BOOTP_SUBNETMASK
81 #define CONFIG_BOOTP_GATEWAY
82 #define CONFIG_BOOTP_HOSTNAME
83 #define CONFIG_BOOTP_BOOTPATH
84 #define CONFIG_BOOTP_BOOTFILESIZE
87 #define CONFIG_MAC_PARTITION
88 #define CONFIG_DOS_PARTITION
90 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
93 * Command line configuration.
95 #include <config_cmd_default.h>
97 #define CONFIG_CMD_ASKENV
98 #define CONFIG_CMD_DATE
99 #define CONFIG_CMD_DHCP
100 #define CONFIG_CMD_ELF
101 #define CONFIG_CMD_EXT2
102 #define CONFIG_CMD_IDE
103 #define CONFIG_CMD_JFFS2
104 #define CONFIG_CMD_NFS
105 #define CONFIG_CMD_SNTP
108 #define CONFIG_NETCONSOLE
111 * Miscellaneous configurable options
113 #define CONFIG_SYS_LONGHELP /* undef to save memory */
115 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
116 #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
118 #if defined(CONFIG_CMD_KGDB)
119 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
121 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
123 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
124 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
125 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
127 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
128 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
130 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
133 * Low Level Configuration Settings
134 * (address mappings, register initial values, etc.)
135 * You should know what you are doing if you make changes here.
137 /*-----------------------------------------------------------------------
138 * Internal Memory Mapped Register
140 #define CONFIG_SYS_IMMR 0xFFF00000
142 /*-----------------------------------------------------------------------
143 * Definitions for initial stack pointer and data area (in DPRAM)
145 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
146 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
147 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
148 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
150 /*-----------------------------------------------------------------------
151 * Start addresses for the final memory configuration
152 * (Set up by the startup code)
153 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
155 #define CONFIG_SYS_SDRAM_BASE 0x00000000
156 #define CONFIG_SYS_FLASH_BASE 0x40000000
157 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
158 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
159 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
162 * For booting Linux, the board info and command line data
163 * have to be in the first 8 MB of memory, since this is
164 * the maximum mapped by the Linux kernel during initialization.
166 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
168 /*-----------------------------------------------------------------------
172 /* use CFI flash driver */
173 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
174 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
175 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
176 #define CONFIG_SYS_FLASH_EMPTY_INFO
177 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
178 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
179 #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
181 #define CONFIG_ENV_IS_IN_FLASH 1
182 #define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
183 #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
185 /* Address and size of Redundant Environment Sector */
186 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
187 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
189 #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
191 #define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
193 /*-----------------------------------------------------------------------
194 * Dynamic MTD partition support
196 #define CONFIG_CMD_MTDPARTS
197 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
198 #define CONFIG_FLASH_CFI_MTD
199 #define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
201 #define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
207 /*-----------------------------------------------------------------------
208 * Hardware Information Block
210 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
211 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
212 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
214 /*-----------------------------------------------------------------------
215 * Cache Configuration
217 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
218 #if defined(CONFIG_CMD_KGDB)
219 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
222 /*-----------------------------------------------------------------------
223 * SYPCR - System Protection Control 11-9
224 * SYPCR can only be written once after reset!
225 *-----------------------------------------------------------------------
226 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
228 #if defined(CONFIG_WATCHDOG)
229 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
230 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
232 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
235 /*-----------------------------------------------------------------------
236 * SIUMCR - SIU Module Configuration 11-6
237 *-----------------------------------------------------------------------
238 * PCMCIA config., multi-function pin tri-state
240 #ifndef CONFIG_CAN_DRIVER
241 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
242 #else /* we must activate GPL5 in the SIUMCR for CAN */
243 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
244 #endif /* CONFIG_CAN_DRIVER */
246 /*-----------------------------------------------------------------------
247 * TBSCR - Time Base Status and Control 11-26
248 *-----------------------------------------------------------------------
249 * Clear Reference Interrupt Status, Timebase freezing enabled
251 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
253 /*-----------------------------------------------------------------------
254 * RTCSC - Real-Time Clock Status and Control Register 11-27
255 *-----------------------------------------------------------------------
257 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
259 /*-----------------------------------------------------------------------
260 * PISCR - Periodic Interrupt Status and Control 11-31
261 *-----------------------------------------------------------------------
262 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
264 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
266 /*-----------------------------------------------------------------------
267 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
268 *-----------------------------------------------------------------------
269 * Reset PLL lock status sticky bit, timer expired status bit and timer
270 * interrupt status bit
272 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
274 /*-----------------------------------------------------------------------
275 * SCCR - System Clock and reset Control Register 15-27
276 *-----------------------------------------------------------------------
277 * Set clock output, timebase and RTC source and divider,
278 * power management and some other internal clocks
280 #define SCCR_MASK SCCR_EBDF11
281 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
282 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
285 /*-----------------------------------------------------------------------
287 *-----------------------------------------------------------------------
290 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
291 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
292 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
293 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
294 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
295 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
296 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
297 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
299 /*-----------------------------------------------------------------------
300 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
301 *-----------------------------------------------------------------------
304 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
305 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
307 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
308 #undef CONFIG_IDE_LED /* LED for ide not supported */
309 #undef CONFIG_IDE_RESET /* reset for ide not supported */
311 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
312 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
314 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
316 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
318 /* Offset for data I/O */
319 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
321 /* Offset for normal register accesses */
322 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
324 /* Offset for alternate registers */
325 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
327 /*-----------------------------------------------------------------------
329 *-----------------------------------------------------------------------
332 #define CONFIG_SYS_DER 0
335 * Init Memory Controller:
337 * BR0/1 and OR0/1 (FLASH)
340 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
341 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
343 /* used to re-map FLASH both when starting from SRAM or FLASH:
344 * restrict access enough to keep SRAM working (if any)
345 * but not too much to meddle with FLASH accesses
347 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
348 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
353 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
354 OR_SCY_3_CLK | OR_EHTR | OR_BI)
356 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
357 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
358 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
360 #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
361 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
362 #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
365 * BR2/3 and OR2/3 (SDRAM)
368 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
369 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
370 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
372 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
373 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
375 #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
376 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
378 #ifndef CONFIG_CAN_DRIVER
379 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
380 #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
381 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
382 #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
383 #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
384 #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
385 #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
386 BR_PS_8 | BR_MS_UPMB | BR_V )
387 #endif /* CONFIG_CAN_DRIVER */
390 * Memory Periodic Timer Prescaler
392 * The Divider for PTA (refresh timer) configuration is based on an
393 * example SDRAM configuration (64 MBit, one bank). The adjustment to
394 * the number of chip selects (NCS) and the actually needed refresh
395 * rate is done by setting MPTPR.
397 * PTA is calculated from
398 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
400 * gclk CPU clock (not bus clock!)
401 * Trefresh Refresh cycle * 4 (four word bursts used)
403 * 4096 Rows from SDRAM example configuration
404 * 1000 factor s -> ms
405 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
406 * 4 Number of refresh cycles per period
407 * 64 Refresh cycle in ms per number of rows
408 * --------------------------------------------
409 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
411 * 50 MHz => 50.000.000 / Divider = 98
412 * 66 Mhz => 66.000.000 / Divider = 129
413 * 80 Mhz => 80.000.000 / Divider = 156
416 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
417 #define CONFIG_SYS_MAMR_PTA 98
420 * For 16 MBit, refresh rates could be 31.3 us
421 * (= 64 ms / 2K = 125 / quad bursts).
422 * For a simpler initialization, 15.6 us is used instead.
424 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
425 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
427 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
428 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
430 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
431 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
432 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
435 * MAMR settings for SDRAM
439 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
440 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
441 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
443 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
444 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
445 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
447 /* pass open firmware flat tree */
448 #define CONFIG_OF_LIBFDT 1
449 #define CONFIG_OF_BOARD_SETUP 1
450 #define CONFIG_HWCONFIG 1
452 #endif /* __CONFIG_H */