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_MPC850 1 /* This is a MPC850 CPU */
37 #define CONFIG_FPS850L 1 /* ...on a FingerPrint Sensor */
39 #undef CONFIG_8xx_CONS_SMC1
40 #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
41 #undef CONFIG_8xx_CONS_NONE
42 #define CONFIG_BAUDRATE 115200
44 #define CONFIG_BOOTCOUNT_LIMIT
46 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
48 #define CONFIG_BOARD_TYPES 1 /* support board types */
50 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
52 #undef CONFIG_BOOTARGS
54 #define CONFIG_EXTRA_ENV_SETTINGS \
56 "nfsargs=setenv bootargs root=/dev/nfs rw " \
57 "nfsroot=${serverip}:${rootpath}\0" \
58 "ramargs=setenv bootargs root=/dev/ram rw\0" \
59 "addip=setenv bootargs ${bootargs} " \
60 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
61 ":${hostname}:${netdev}:off panic=1\0" \
62 "flash_nfs=run nfsargs addip;" \
63 "bootm ${kernel_addr}\0" \
64 "flash_self=run ramargs addip;" \
65 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
66 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
67 "rootpath=/opt/eldk/ppc_8xx\0" \
68 "bootfile=/tftpboot/fps850L/uImage\0" \
69 "fdt_addr=40040000\0" \
70 "kernel_addr=40060000\0" \
71 "ramdisk_addr=40200000\0" \
73 #define CONFIG_BOOTCOMMAND "run flash_self"
75 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
76 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
78 #undef CONFIG_WATCHDOG /* watchdog disabled */
83 #define CONFIG_BOOTP_SUBNETMASK
84 #define CONFIG_BOOTP_GATEWAY
85 #define CONFIG_BOOTP_HOSTNAME
86 #define CONFIG_BOOTP_BOOTPATH
87 #define CONFIG_BOOTP_BOOTFILESIZE
88 #define CONFIG_BOOTP_SUBNETMASK
89 #define CONFIG_BOOTP_GATEWAY
90 #define CONFIG_BOOTP_HOSTNAME
91 #define CONFIG_BOOTP_NISDOMAIN
92 #define CONFIG_BOOTP_BOOTPATH
93 #define CONFIG_BOOTP_DNS
94 #define CONFIG_BOOTP_DNS2
95 #define CONFIG_BOOTP_SEND_HOSTNAME
96 #define CONFIG_BOOTP_NTPSERVER
97 #define CONFIG_BOOTP_TIMEOFFSET
99 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
102 * Command line configuration.
104 #include <config_cmd_default.h>
106 #define CONFIG_CMD_ASKENV
107 #define CONFIG_CMD_DATE
108 #define CONFIG_CMD_DHCP
109 #define CONFIG_CMD_NFS
110 #define CONFIG_CMD_SNTP
114 * Miscellaneous configurable options
116 #define CFG_LONGHELP /* undef to save memory */
117 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
119 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
120 #define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
121 #ifdef CFG_HUSH_PARSER
122 #define CFG_PROMPT_HUSH_PS2 "> "
125 #if defined(CONFIG_CMD_KGDB)
126 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
128 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
130 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
131 #define CFG_MAXARGS 16 /* max number of command args */
132 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
134 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
135 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
137 #define CFG_LOAD_ADDR 0x100000 /* default load address */
139 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
141 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
144 * Low Level Configuration Settings
145 * (address mappings, register initial values, etc.)
146 * You should know what you are doing if you make changes here.
148 /*-----------------------------------------------------------------------
149 * Internal Memory Mapped Register
151 #define CFG_IMMR 0xFFF00000
153 /*-----------------------------------------------------------------------
154 * Definitions for initial stack pointer and data area (in DPRAM)
156 #define CFG_INIT_RAM_ADDR CFG_IMMR
157 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
158 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
159 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
160 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
162 /*-----------------------------------------------------------------------
163 * Start addresses for the final memory configuration
164 * (Set up by the startup code)
165 * Please note that CFG_SDRAM_BASE _must_ start at 0
167 #define CFG_SDRAM_BASE 0x00000000
168 #define CFG_FLASH_BASE 0x40000000
169 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
170 #define CFG_MONITOR_BASE CFG_FLASH_BASE
171 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
174 * For booting Linux, the board info and command line data
175 * have to be in the first 8 MB of memory, since this is
176 * the maximum mapped by the Linux kernel during initialization.
178 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
180 /*-----------------------------------------------------------------------
183 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
184 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
186 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
187 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
189 #define CFG_ENV_IS_IN_FLASH 1
190 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
191 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
193 /* Address and size of Redundant Environment Sector */
194 #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
195 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
197 /*-----------------------------------------------------------------------
198 * Hardware Information Block
200 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
201 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
202 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
204 /*-----------------------------------------------------------------------
205 * Cache Configuration
207 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
208 #if defined(CONFIG_CMD_KGDB)
209 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
212 /*-----------------------------------------------------------------------
213 * SYPCR - System Protection Control 11-9
214 * SYPCR can only be written once after reset!
215 *-----------------------------------------------------------------------
216 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
218 #if defined(CONFIG_WATCHDOG)
219 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
220 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
222 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
225 /*-----------------------------------------------------------------------
226 * SIUMCR - SIU Module Configuration 11-6
227 *-----------------------------------------------------------------------
228 * PCMCIA config., multi-function pin tri-state
230 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
232 /*-----------------------------------------------------------------------
233 * TBSCR - Time Base Status and Control 11-26
234 *-----------------------------------------------------------------------
235 * Clear Reference Interrupt Status, Timebase freezing enabled
237 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
239 /*-----------------------------------------------------------------------
240 * RTCSC - Real-Time Clock Status and Control Register 11-27
241 *-----------------------------------------------------------------------
243 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
245 /*-----------------------------------------------------------------------
246 * PISCR - Periodic Interrupt Status and Control 11-31
247 *-----------------------------------------------------------------------
248 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
250 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
252 /*-----------------------------------------------------------------------
253 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
254 *-----------------------------------------------------------------------
255 * Reset PLL lock status sticky bit, timer expired status bit and timer
256 * interrupt status bit - leave PLL multiplication factor unchanged !
258 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
260 /*-----------------------------------------------------------------------
261 * SCCR - System Clock and reset Control Register 15-27
262 *-----------------------------------------------------------------------
263 * Set clock output, timebase and RTC source and divider,
264 * power management and some other internal clocks
266 #define SCCR_MASK SCCR_EBDF11
267 #define CFG_SCCR (SCCR_TBS | \
268 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
269 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
272 /*-----------------------------------------------------------------------
274 *-----------------------------------------------------------------------
277 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
278 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
279 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
280 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
281 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
282 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
283 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
284 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
286 /*-----------------------------------------------------------------------
288 *-----------------------------------------------------------------------
294 * Init Memory Controller:
296 * BR0/1 and OR0/1 (FLASH)
299 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
300 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
302 /* used to re-map FLASH both when starting from SRAM or FLASH:
303 * restrict access enough to keep SRAM working (if any)
304 * but not too much to meddle with FLASH accesses
306 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
307 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
312 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
313 OR_SCY_3_CLK | OR_EHTR | OR_BI)
315 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
316 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
317 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
319 #define CFG_OR1_REMAP CFG_OR0_REMAP
320 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
321 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
324 * BR2/3 and OR2/3 (SDRAM)
327 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
328 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
329 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
331 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
332 #define CFG_OR_TIMING_SDRAM 0x00000A00
334 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
335 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
337 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
338 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
341 * Memory Periodic Timer Prescaler
343 * The Divider for PTA (refresh timer) configuration is based on an
344 * example SDRAM configuration (64 MBit, one bank). The adjustment to
345 * the number of chip selects (NCS) and the actually needed refresh
346 * rate is done by setting MPTPR.
348 * PTA is calculated from
349 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
351 * gclk CPU clock (not bus clock!)
352 * Trefresh Refresh cycle * 4 (four word bursts used)
354 * 4096 Rows from SDRAM example configuration
355 * 1000 factor s -> ms
356 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
357 * 4 Number of refresh cycles per period
358 * 64 Refresh cycle in ms per number of rows
359 * --------------------------------------------
360 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
362 * 50 MHz => 50.000.000 / Divider = 98
363 * 66 Mhz => 66.000.000 / Divider = 129
364 * 80 Mhz => 80.000.000 / Divider = 156
367 #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
368 #define CFG_MAMR_PTA 98
371 * For 16 MBit, refresh rates could be 31.3 us
372 * (= 64 ms / 2K = 125 / quad bursts).
373 * For a simpler initialization, 15.6 us is used instead.
375 * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
376 * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
378 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
379 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
381 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
382 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
383 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
386 * MAMR settings for SDRAM
390 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
391 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
392 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
394 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
395 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
396 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
400 * Internal Definitions
404 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
405 #define BOOTFLAG_WARM 0x02 /* Software reboot */
407 #endif /* __CONFIG_H */