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
31 #undef TQM8xxL_80MHz /* 1 / * define for 80 MHz CPU only */
34 * High Level Configuration Options
38 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
39 #define CONFIG_SM850 1 /*...on a MPC850 Service Module */
41 #undef CONFIG_8xx_CONS_SMC1 /* SMC1 not usable because Ethernet on SCC3 */
42 #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
43 #undef CONFIG_8xx_CONS_NONE
44 #define CONFIG_BAUDRATE 115200
46 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
48 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
51 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
53 #define CONFIG_BOARD_TYPES 1 /* support board types */
55 #undef CONFIG_BOOTARGS
56 #define CONFIG_BOOTCOMMAND \
58 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
59 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
62 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
63 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
65 #undef CONFIG_WATCHDOG /* watchdog disabled */
67 #undef CONFIG_STATUS_LED /* Status LED not enabled */
69 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
71 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
73 #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
75 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
79 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
80 #include <cmd_confdefs.h>
83 * Miscellaneous configurable options
85 #define CFG_LONGHELP /* undef to save memory */
86 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
87 #if (CONFIG_COMMANDS & CFG_CMD_KGDB) && defined(KGDB_DEBUG)
88 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
90 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
92 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
93 #define CFG_MAXARGS 16 /* max number of command args */
94 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
96 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
97 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
99 #define CFG_LOAD_ADDR 0x100000 /* default load address */
101 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
103 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
106 * Low Level Configuration Settings
107 * (address mappings, register initial values, etc.)
108 * You should know what you are doing if you make changes here.
110 /*-----------------------------------------------------------------------
111 * Internal Memory Mapped Register
113 #define CFG_IMMR 0xFFF00000
115 /*-----------------------------------------------------------------------
116 * Definitions for initial stack pointer and data area (in DPRAM)
118 #define CFG_INIT_RAM_ADDR CFG_IMMR
119 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
120 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
121 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
122 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
124 /*-----------------------------------------------------------------------
125 * Start addresses for the final memory configuration
126 * (Set up by the startup code)
127 * Please note that CFG_SDRAM_BASE _must_ start at 0
129 #define CFG_SDRAM_BASE 0x00000000
130 #define CFG_FLASH_BASE 0x40000000
132 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
134 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
136 #define CFG_MONITOR_BASE CFG_FLASH_BASE
137 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
140 * For booting Linux, the board info and command line data
141 * have to be in the first 8 MB of memory, since this is
142 * the maximum mapped by the Linux kernel during initialization.
144 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
146 /*-----------------------------------------------------------------------
149 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
150 #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
152 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
153 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
155 #define CFG_ENV_IS_IN_FLASH 1
156 #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
157 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
159 /*-----------------------------------------------------------------------
160 * Hardware Information Block
162 #define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
163 #define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
164 #define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
166 /*-----------------------------------------------------------------------
167 * Cache Configuration
169 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
170 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
171 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
174 /*-----------------------------------------------------------------------
175 * SYPCR - System Protection Control 11-9
176 * SYPCR can only be written once after reset!
177 *-----------------------------------------------------------------------
178 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
180 #if defined(CONFIG_WATCHDOG)
181 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
182 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
184 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
187 /*-----------------------------------------------------------------------
188 * SIUMCR - SIU Module Configuration 11-6
189 *-----------------------------------------------------------------------
190 * PCMCIA config., multi-function pin tri-state
192 #ifndef CONFIG_CAN_DRIVER
193 #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
194 #else /* we must activate GPL5 in the SIUMCR for CAN */
195 #define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
196 #endif /* CONFIG_CAN_DRIVER */
198 /*-----------------------------------------------------------------------
199 * TBSCR - Time Base Status and Control 11-26
200 *-----------------------------------------------------------------------
201 * Clear Reference Interrupt Status, Timebase freezing enabled
203 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
205 /*-----------------------------------------------------------------------
206 * RTCSC - Real-Time Clock Status and Control Register 11-27
207 *-----------------------------------------------------------------------
209 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
211 /*-----------------------------------------------------------------------
212 * PISCR - Periodic Interrupt Status and Control 11-31
213 *-----------------------------------------------------------------------
214 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
216 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
218 /*-----------------------------------------------------------------------
219 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
220 *-----------------------------------------------------------------------
221 * Reset PLL lock status sticky bit, timer expired status bit and timer
222 * interrupt status bit
224 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
226 #ifdef TQM8xxL_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
228 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
230 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
231 #endif /* TQM8xxL_80MHz */
233 /*-----------------------------------------------------------------------
234 * SCCR - System Clock and reset Control Register 15-27
235 *-----------------------------------------------------------------------
236 * Set clock output, timebase and RTC source and divider,
237 * power management and some other internal clocks
239 #define SCCR_MASK SCCR_EBDF11
240 #ifdef TQM8xxL_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
241 #define CFG_SCCR (/* SCCR_TBS | */ \
242 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
243 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
245 #else /* up to 50 MHz we use a 1:1 clock */
246 #define CFG_SCCR (SCCR_TBS | \
247 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
248 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
250 #endif /* TQM8xxL_80MHz */
252 /*-----------------------------------------------------------------------
254 *-----------------------------------------------------------------------
257 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
258 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
259 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
260 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
261 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
262 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
263 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
264 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
266 /*-----------------------------------------------------------------------
268 *-----------------------------------------------------------------------
274 * Init Memory Controller:
276 * BR0/1 and OR0/1 (FLASH)
279 #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
280 #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
282 /* used to re-map FLASH both when starting from SRAM or FLASH:
283 * restrict access enough to keep SRAM working (if any)
284 * but not too much to meddle with FLASH accesses
286 #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
287 #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
289 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
290 #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
291 OR_SCY_5_CLK | OR_EHTR)
293 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
294 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
295 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
297 #define CFG_OR1_REMAP CFG_OR0_REMAP
298 #define CFG_OR1_PRELIM CFG_OR0_PRELIM
299 #define CFG_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
302 * BR2/3 and OR2/3 (SDRAM)
305 #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
306 #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
307 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
309 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
310 #define CFG_OR_TIMING_SDRAM 0x00000A00
312 #define CFG_OR2_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
313 #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
315 #ifndef CONFIG_CAN_DRIVER
316 #define CFG_OR3_PRELIM CFG_OR2_PRELIM
317 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
318 #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
319 #define CFG_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
320 #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
321 #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA | OR_BI)
322 #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
323 BR_PS_8 | BR_MS_UPMB | BR_V )
324 #endif /* CONFIG_CAN_DRIVER */
327 * Memory Periodic Timer Prescaler
330 /* periodic timer for refresh */
331 #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
333 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
334 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
335 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
337 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
338 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
339 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
342 * MAMR settings for SDRAM
346 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
347 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
348 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
350 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
351 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
352 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
356 * Internal Definitions
360 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
361 #define BOOTFLAG_WARM 0x02 /* Software reboot */
363 #endif /* __CONFIG_H */