2 * (C) Copyright 2003-2005
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
33 * High Level Configuration Options
38 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
39 #define CONFIG_RPXLITE 1 /* RMU is the RPXlite clone */
42 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
43 #undef CONFIG_8xx_CONS_SMC2
44 #undef CONFIG_8xx_CONS_NONE
45 #define CONFIG_BAUDRATE 9600 /* console baudrate = 9600bps */
47 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
49 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
52 #undef CONFIG_BOOTARGS
53 #define CONFIG_BOOTCOMMAND \
55 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
56 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
59 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
60 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
62 /* enable I2C and select the hardware/software driver */
63 #undef CONFIG_HARD_I2C /* I2C with hardware support */
64 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
66 #define CFG_I2C_SPEED 40000 /* 40 kHz is supposed to work */
67 #define CFG_I2C_SLAVE 0xFE
69 /* Software (bit-bang) I2C driver configuration */
70 #define PB_SCL 0x00000020 /* PB 26 */
71 #define PB_SDA 0x00000010 /* PB 27 */
73 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
74 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
75 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
76 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
77 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
78 else immr->im_cpm.cp_pbdat &= ~PB_SDA
79 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
80 else immr->im_cpm.cp_pbdat &= ~PB_SCL
81 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
83 /* M41T11 Serial Access Timekeeper(R) SRAM */
84 #define CONFIG_RTC_M41T11 1
85 #define CFG_I2C_RTC_ADDR 0x68
86 #define CFG_M41T11_BASE_YEAR 1900 /* play along with the linux driver */
88 #undef CONFIG_WATCHDOG /* watchdog disabled */
92 * Command line configuration.
94 #include <config_cmd_default.h>
96 #define CONFIG_CMD_DATE
97 #define CONFIG_CMD_DHCP
98 #define CONFIG_CMD_I2C
99 #define CONFIG_CMD_NFS
100 #define CONFIG_CMD_SNTP
106 #define CONFIG_BOOTP_SUBNETMASK
107 #define CONFIG_BOOTP_GATEWAY
108 #define CONFIG_BOOTP_HOSTNAME
109 #define CONFIG_BOOTP_BOOTPATH
110 #define CONFIG_BOOTP_BOOTFILESIZE
113 #define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
114 #define CONFIG_AUTOBOOT_PROMPT \
115 "\nEnter password - autoboot in %d sec...\n", bootdelay
116 #define CONFIG_AUTOBOOT_DELAY_STR "system"
119 * Miscellaneous configurable options
121 #define CFG_LONGHELP /* undef to save memory */
122 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
123 #if defined(CONFIG_CMD_KGDB)
124 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
126 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
128 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
129 #define CFG_MAXARGS 16 /* max number of command args */
130 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
132 #define CFG_MEMTEST_START 0x0040000 /* memtest works on */
133 #define CFG_MEMTEST_END 0x00C0000 /* 4 ... 12 MB in DRAM */
135 #define CFG_LOAD_ADDR 0x100000 /* default load address */
137 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
139 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
142 * Low Level Configuration Settings
143 * (address mappings, register initial values, etc.)
144 * You should know what you are doing if you make changes here.
146 /*-----------------------------------------------------------------------
147 * Internal Memory Mapped Register
149 #define CFG_IMMR 0xFA200000
151 /*-----------------------------------------------------------------------
152 * Definitions for initial stack pointer and data area (in DPRAM)
154 #define CFG_INIT_RAM_ADDR CFG_IMMR
155 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
156 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
157 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
158 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
160 /*-----------------------------------------------------------------------
161 * Start addresses for the final memory configuration
162 * (Set up by the startup code)
163 * Please note that CFG_SDRAM_BASE _must_ start at 0
165 #define CFG_SDRAM_BASE 0x00000000
166 #define CFG_FLASH_BASE (0-flash_info[0].size) /* Put flash at end */
167 #if defined(DEBUG) || defined(CONFIG_CMD_IDE)
168 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
170 #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
172 #define CFG_MONITOR_BASE TEXT_BASE
173 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
176 * For booting Linux, the board info and command line data
177 * have to be in the first 8 MB of memory, since this is
178 * the maximum mapped by the Linux kernel during initialization.
180 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
182 /*-----------------------------------------------------------------------
185 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
186 #define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
188 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
189 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
191 #define CFG_ENV_IS_IN_FLASH 1
192 #define CFG_ENV_ADDR ((TEXT_BASE) + 0x40000)
193 #define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */
195 /* Address and size of Redundant Environment Sector */
196 #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR+CFG_ENV_SIZE)
197 #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
199 /*-----------------------------------------------------------------------
202 #define CFG_RESET_ADDRESS ((ulong)((((immap_t *)CFG_IMMR)->im_clkrst.res)))
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 | 0x00000600 | 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_MLRC10)
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 | TBSCR_TBE)
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) */
244 #define CFG_RTCSC (RTCSC_SEC | RTCSC_RTE)
246 /*-----------------------------------------------------------------------
247 * PISCR - Periodic Interrupt Status and Control 11-31
248 *-----------------------------------------------------------------------
249 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
251 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
253 /*-----------------------------------------------------------------------
254 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
255 *-----------------------------------------------------------------------
256 * Reset PLL lock status sticky bit, timer expired status bit and timer
257 * interrupt status bit
259 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
261 /* up to 50 MHz we use a 1:1 clock */
262 #define CFG_PLPRCR ( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
264 /*-----------------------------------------------------------------------
265 * SCCR - System Clock and reset Control Register 15-27
266 *-----------------------------------------------------------------------
267 * Set clock output, timebase and RTC source and divider,
268 * power management and some other internal clocks
270 #define SCCR_MASK SCCR_EBDF00
271 /* up to 50 MHz we use a 1:1 clock */
272 #define CFG_SCCR (SCCR_COM00 | SCCR_TBS)
274 /*-----------------------------------------------------------------------
276 *-----------------------------------------------------------------------
279 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
280 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
281 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
282 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
283 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
284 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
285 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
286 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
288 /*-----------------------------------------------------------------------
289 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
290 *-----------------------------------------------------------------------
293 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
295 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
296 #undef CONFIG_IDE_LED /* LED for ide not supported */
297 #undef CONFIG_IDE_RESET /* reset for ide not supported */
299 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
300 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
302 #define CFG_ATA_IDE0_OFFSET 0x0000
304 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
306 /* Offset for data I/O */
307 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
309 /* Offset for normal register accesses */
310 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
312 /* Offset for alternate registers */
313 #define CFG_ATA_ALT_OFFSET 0x0100
315 /*-----------------------------------------------------------------------
317 *-----------------------------------------------------------------------
320 /*#define CFG_DER 0x2002000F*/
324 * Init Memory Controller:
326 * BR0 and OR0 (FLASH)
329 #define FLASH_BASE_PRELIM 0xFC000000 /* FLASH base - up to 64 MB of flash */
330 #define CFG_PRELIM_OR_AM 0xFC000000 /* OR addr mask - map 64 MB */
332 /* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
333 #define CFG_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
335 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
336 #define CFG_BR0_PRELIM ((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
339 * BR1 and OR1 (SDRAM)
342 #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM base */
343 #define SDRAM_MAX_SIZE 0x08000000 /* max 128 MB */
345 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
346 #define CFG_OR_TIMING_SDRAM 0x00000E00
348 #define CFG_OR1_PRELIM (0xF0000000 | CFG_OR_TIMING_SDRAM ) /* map 256 MB */
349 #define CFG_BR1_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
351 /* RPXLITE mem setting */
352 #define CFG_NVRAM_BASE 0xFA000000 /* NVRAM & SRAM base */
353 /* IMMR: 0xFA200000 IMMR base address - see above */
354 #define CFG_BCSR_BASE 0xFA400000 /* BCSR base address */
356 #define CFG_BR3_PRELIM (CFG_BCSR_BASE | BR_V) /* BCSR */
357 #define CFG_OR3_PRELIM 0xFFFF8910
358 #define CFG_BR4_PRELIM (CFG_NVRAM_BASE | BR_PS_8 | BR_V) /* NVRAM & SRAM */
359 #define CFG_OR4_PRELIM 0xFFFE0970
362 * Memory Periodic Timer Prescaler
365 /* periodic timer for refresh */
366 #define CFG_MAMR_PTA 20
369 * Refresh clock Prescalar
371 #define CFG_MPTPR MPTPR_PTP_DIV2
374 * MAMR settings for SDRAM
378 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
379 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
380 MAMR_RLFA_16X | MAMR_WLFA_16X | MAMR_TLFA_16X)
383 * Internal Definitions
387 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
388 #define BOOTFLAG_WARM 0x02 /* Software reboot */
393 * Board Status and Control Registers
397 #define BCSR0 (CFG_BCSR_BASE + 0)
398 #define BCSR1 (CFG_BCSR_BASE + 1)
399 #define BCSR2 (CFG_BCSR_BASE + 2)
400 #define BCSR3 (CFG_BCSR_BASE + 3)
402 #define BCSR0_ENMONXCVR 0x01 /* Monitor XVCR Control */
403 #define BCSR0_ENNVRAM 0x02 /* CS4# Control */
404 #define BCSR0_LED5 0x04 /* LED5 control 0='on' 1='off' */
405 #define BCSR0_LED4 0x08 /* LED4 control 0='on' 1='off' */
406 #define BCSR0_FULLDPLX 0x10 /* Ethernet XCVR Control */
407 #define BCSR0_COLTEST 0x20
408 #define BCSR0_ETHLPBK 0x40
409 #define BCSR0_ETHEN 0x80
411 #define BCSR1_PCVCTL7 0x01 /* PC Slot B Control */
412 #define BCSR1_PCVCTL6 0x02
413 #define BCSR1_PCVCTL5 0x04
414 #define BCSR1_PCVCTL4 0x08
415 #define BCSR1_IPB5SEL 0x10
417 #define BCSR2_ENPA5HDR 0x08 /* USB Control */
418 #define BCSR2_ENUSBCLK 0x10
419 #define BCSR2_USBPWREN 0x20
420 #define BCSR2_USBSPD 0x40
421 #define BCSR2_USBSUSP 0x80
423 #define BCSR3_BWRTC 0x01 /* Real Time Clock Battery */
424 #define BCSR3_BWNVR 0x02 /* NVRAM Battery */
425 #define BCSR3_RDY_BSY 0x04 /* Flash Operation */
426 #define BCSR3_RPXL 0x08 /* Reserved (reads back '1') */
427 #define BCSR3_D27 0x10 /* Dip Switch settings */
428 #define BCSR3_D26 0x20
429 #define BCSR3_D25 0x40
430 #define BCSR3_D24 0x80
432 #endif /* __CONFIG_H */