3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_MPC823 1 /* This is a MPC823 CPU */
37 #define CONFIG_VIRTLAB2 1 /* ...on a virtlab2 module */
38 #define CONFIG_TQM8xxL 1
40 #ifdef CONFIG_LCD /* with LCD controller ? */
41 #define CONFIG_SPLASH_SCREEN /* ... with splashscreen support*/
44 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
45 #undef CONFIG_8xx_CONS_SMC2
46 #undef CONFIG_8xx_CONS_NONE
47 #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
49 #define CONFIG_BOOTCOUNT_LIMIT
51 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
53 #define CONFIG_BOARD_TYPES 1 /* support board types */
55 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
57 #undef CONFIG_BOOTARGS
59 #define CONFIG_EXTRA_ENV_SETTINGS \
61 "nfsargs=setenv bootargs root=/dev/nfs rw " \
62 "nfsroot=${serverip}:${rootpath}\0" \
63 "ramargs=setenv bootargs root=/dev/ram rw\0" \
64 "addip=setenv bootargs ${bootargs} " \
65 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
66 ":${hostname}:${netdev}:off panic=1\0" \
67 "flash_nfs=run nfsargs addip;" \
68 "bootm ${kernel_addr}\0" \
69 "flash_self=run ramargs addip;" \
70 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
71 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
72 "rootpath=/opt/eldk/ppc_8xx\0" \
73 "bootfile=/tftpboot/TQM823L/uImage\0" \
74 "kernel_addr=40040000\0" \
75 "ramdisk_addr=40100000\0" \
77 #define CONFIG_BOOTCOMMAND "run flash_self"
79 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
80 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
82 #undef CONFIG_WATCHDOG /* watchdog disabled */
84 #if defined(CONFIG_LCD)
85 # undef CONFIG_STATUS_LED /* disturbs display */
87 # define CONFIG_STATUS_LED 1 /* Status LED enabled */
88 #endif /* CONFIG_LCD */
90 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
95 #define CONFIG_BOOTP_SUBNETMASK
96 #define CONFIG_BOOTP_GATEWAY
97 #define CONFIG_BOOTP_HOSTNAME
98 #define CONFIG_BOOTP_BOOTPATH
99 #define CONFIG_BOOTP_BOOTFILESIZE
102 #define CONFIG_MAC_PARTITION
103 #define CONFIG_DOS_PARTITION
105 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
109 * Command line configuration.
111 #include <config_cmd_default.h>
113 #define CONFIG_CMD_ASKENV
114 #define CONFIG_CMD_DATE
115 #define CONFIG_CMD_DHCP
116 #define CONFIG_CMD_IDE
117 #define CONFIG_CMD_NFS
118 #define CONFIG_CMD_SNTP
120 #if defined(CONFIG_SPLASH_SCREEN)
121 #define CONFIG_CMD_BMP
126 * Miscellaneous configurable options
128 #define CFG_LONGHELP /* undef to save memory */
129 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
132 #define CFG_HUSH_PARSER 1 /* use "hush" command parser */
134 #ifdef CFG_HUSH_PARSER
135 #define CFG_PROMPT_HUSH_PS2 "> "
138 #if defined(CONFIG_CMD_KGDB)
139 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
141 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
143 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
144 #define CFG_MAXARGS 16 /* max number of command args */
145 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
147 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
148 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
150 #define CFG_LOAD_ADDR 0x100000 /* default load address */
152 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
154 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
157 * Low Level Configuration Settings
158 * (address mappings, register initial values, etc.)
159 * You should know what you are doing if you make changes here.
161 /*-----------------------------------------------------------------------
162 * Internal Memory Mapped Register
164 #define CFG_IMMR 0xFFF00000
166 /*-----------------------------------------------------------------------
167 * Definitions for initial stack pointer and data area (in DPRAM)
169 #define CFG_INIT_RAM_ADDR CFG_IMMR
170 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
171 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
172 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
173 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
175 /*-----------------------------------------------------------------------
176 * Start addresses for the final memory configuration
177 * (Set up by the startup code)
178 * Please note that CFG_SDRAM_BASE _must_ start at 0
180 #define CFG_SDRAM_BASE 0x00000000
181 #define CFG_FLASH_BASE 0x40000000
182 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
183 #define CFG_MONITOR_BASE CFG_FLASH_BASE
184 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
187 * For booting Linux, the board info and command line data
188 * have to be in the first 8 MB of memory, since this is
189 * the maximum mapped by the Linux kernel during initialization.
191 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
193 /*-----------------------------------------------------------------------
196 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
197 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
199 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
200 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
202 #define CFG_ENV_IS_IN_FLASH 1
203 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
204 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
206 /* Address and size of Redundant Environment Sector */
207 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
208 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
210 #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */
212 /*-----------------------------------------------------------------------
213 * Hardware Information Block
215 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
216 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
217 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
219 /*-----------------------------------------------------------------------
220 * Cache Configuration
222 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
223 #if defined(CONFIG_CMD_KGDB)
224 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
227 /*-----------------------------------------------------------------------
228 * SYPCR - System Protection Control 11-9
229 * SYPCR can only be written once after reset!
230 *-----------------------------------------------------------------------
231 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
233 #if defined(CONFIG_WATCHDOG)
234 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
235 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
237 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
240 /*-----------------------------------------------------------------------
241 * SIUMCR - SIU Module Configuration 11-6
242 *-----------------------------------------------------------------------
243 * PCMCIA config., multi-function pin tri-state
245 #ifndef CONFIG_CAN_DRIVER
246 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
247 #else /* we must activate GPL5 in the SIUMCR for CAN */
248 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
249 #endif /* CONFIG_CAN_DRIVER */
251 /*-----------------------------------------------------------------------
252 * TBSCR - Time Base Status and Control 11-26
253 *-----------------------------------------------------------------------
254 * Clear Reference Interrupt Status, Timebase freezing enabled
256 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
258 /*-----------------------------------------------------------------------
259 * RTCSC - Real-Time Clock Status and Control Register 11-27
260 *-----------------------------------------------------------------------
262 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
264 /*-----------------------------------------------------------------------
265 * PISCR - Periodic Interrupt Status and Control 11-31
266 *-----------------------------------------------------------------------
267 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
269 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
271 /*-----------------------------------------------------------------------
272 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
273 *-----------------------------------------------------------------------
274 * Reset PLL lock status sticky bit, timer expired status bit and timer
275 * interrupt status bit
277 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
279 /*-----------------------------------------------------------------------
280 * SCCR - System Clock and reset Control Register 15-27
281 *-----------------------------------------------------------------------
282 * Set clock output, timebase and RTC source and divider,
283 * power management and some other internal clocks
285 #define SCCR_MASK SCCR_EBDF11
286 #define CFG_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
287 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
290 /*-----------------------------------------------------------------------
292 *-----------------------------------------------------------------------
295 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
296 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
297 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
298 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
299 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
300 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
301 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
302 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
304 /*-----------------------------------------------------------------------
305 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
306 *-----------------------------------------------------------------------
309 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
311 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
312 #undef CONFIG_IDE_LED /* LED for ide not supported */
313 #undef CONFIG_IDE_RESET /* reset for ide not supported */
315 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
316 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
318 #define CFG_ATA_IDE0_OFFSET 0x0000
320 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
322 /* Offset for data I/O */
323 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
325 /* Offset for normal register accesses */
326 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
328 /* Offset for alternate registers */
329 #define CFG_ATA_ALT_OFFSET 0x0100
331 /*-----------------------------------------------------------------------
333 *-----------------------------------------------------------------------
339 * Init Memory Controller:
341 * BR0/1 and OR0/1 (FLASH)
344 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
345 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
347 /* used to re-map FLASH both when starting from SRAM or FLASH:
348 * restrict access enough to keep SRAM working (if any)
349 * but not too much to meddle with FLASH accesses
351 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
352 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
357 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
358 OR_SCY_3_CLK | OR_EHTR | OR_BI)
360 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
361 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
362 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
364 #define CFG_OR1_REMAP CFG_OR0_REMAP
365 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
366 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
369 * BR2/3 and OR2/3 (SDRAM)
372 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
373 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
374 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
376 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
377 #define CFG_OR_TIMING_SDRAM 0x00000A00
379 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
380 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
382 #ifndef CONFIG_CAN_DRIVER
383 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
384 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
385 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
386 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
387 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
388 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
389 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
390 BR_PS_8 | BR_MS_UPMB | BR_V )
391 #endif /* CONFIG_CAN_DRIVER */
394 * Memory Periodic Timer Prescaler
396 * The Divider for PTA (refresh timer) configuration is based on an
397 * example SDRAM configuration (64 MBit, one bank). The adjustment to
398 * the number of chip selects (NCS) and the actually needed refresh
399 * rate is done by setting MPTPR.
401 * PTA is calculated from
402 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
404 * gclk CPU clock (not bus clock!)
405 * Trefresh Refresh cycle * 4 (four word bursts used)
407 * 4096 Rows from SDRAM example configuration
408 * 1000 factor s -> ms
409 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
410 * 4 Number of refresh cycles per period
411 * 64 Refresh cycle in ms per number of rows
412 * --------------------------------------------
413 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
415 * 50 MHz => 50.000.000 / Divider = 98
416 * 66 Mhz => 66.000.000 / Divider = 129
417 * 80 Mhz => 80.000.000 / Divider = 156
420 #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
421 #define CFG_MAMR_PTA 98
424 * For 16 MBit, refresh rates could be 31.3 us
425 * (= 64 ms / 2K = 125 / quad bursts).
426 * For a simpler initialization, 15.6 us is used instead.
428 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
429 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
431 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
432 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
434 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
435 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
436 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
439 * MAMR settings for SDRAM
443 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
444 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
445 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
447 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
448 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
449 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
453 * Internal Definitions
457 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
458 #define BOOTFLAG_WARM 0x02 /* Software reboot */
460 /* Map peripheral control registers on CS4 */
461 #define CFG_PERIPHERAL_BASE 0xA0000000
462 #define CFG_PERIPHERAL_OR_AM 0xFFFF8000 /* 32 kB address mask */
463 #define CFG_OR4_PRELIM (CFG_PERIPHERAL_OR_AM | OR_TRLX | OR_CSNT_SAM | \
465 #define CFG_BR4_PRELIM ((CFG_PERIPHERAL_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
466 #define PCMCIA_CTRL (CFG_PERIPHERAL_BASE + 0xB00)
467 #endif /* __CONFIG_H */