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,
24 /* Yoo. Jonghoon, IPone, yooth@ipone.co.kr
25 * U-Boot port on RPXlite board
34 * High Level Configuration Options
39 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
40 #define CONFIG_RPXLITE 1
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 #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */
63 #undef CONFIG_WATCHDOG /* watchdog disabled */
68 #define CONFIG_BOOTP_SUBNETMASK
69 #define CONFIG_BOOTP_GATEWAY
70 #define CONFIG_BOOTP_HOSTNAME
71 #define CONFIG_BOOTP_BOOTPATH
72 #define CONFIG_BOOTP_BOOTFILESIZE
76 * Command line configuration.
78 #include <config_cmd_default.h>
82 * Miscellaneous configurable options
84 #define CFG_LONGHELP /* undef to save memory */
85 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
86 #if defined(CONFIG_CMD_KGDB)
87 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
89 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
91 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
92 #define CFG_MAXARGS 16 /* max number of command args */
93 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
95 #define CFG_MEMTEST_START 0x00400000 /* memtest works on */
96 #define CFG_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */
98 #define CFG_RESET_ADDRESS 0x09900000
100 #define CFG_LOAD_ADDR 0x400000 /* default load address */
102 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
104 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
107 * Low Level Configuration Settings
108 * (address mappings, register initial values, etc.)
109 * You should know what you are doing if you make changes here.
111 /*-----------------------------------------------------------------------
112 * Internal Memory Mapped Register
114 #define CFG_IMMR 0xFA200000
116 /*-----------------------------------------------------------------------
117 * Definitions for initial stack pointer and data area (in DPRAM)
119 #define CFG_INIT_RAM_ADDR CFG_IMMR
120 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
121 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
122 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
123 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
125 /*-----------------------------------------------------------------------
126 * Start addresses for the final memory configuration
127 * (Set up by the startup code)
128 * Please note that CFG_SDRAM_BASE _must_ start at 0
130 #define CFG_SDRAM_BASE 0x00000000
131 #define CFG_FLASH_BASE 0xFFC00000
132 #define CFG_MONITOR_BASE TEXT_BASE
133 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
135 #define CFG_MALLOC_LEN (4096 << 10) /* Reserve ~4 MB for malloc() */
137 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */
138 #endif /* CONFIG_BZIP2 */
141 * For booting Linux, the board info and command line data
142 * have to be in the first 8 MB of memory, since this is
143 * the maximum mapped by the Linux kernel during initialization.
145 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
147 /*-----------------------------------------------------------------------
150 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
151 #define CFG_MAX_FLASH_SECT 19 /* max number of sectors on one chip */
153 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
154 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
156 #define CFG_DIRECT_FLASH_TFTP
158 #define CFG_ENV_IS_IN_FLASH 1
159 #define CFG_ENV_SECT_SIZE 0x40000 /* We use one complete sector */
160 #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
162 #define CONFIG_ENV_OVERWRITE
164 /*-----------------------------------------------------------------------
165 * Cache Configuration
167 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
168 #if defined(CONFIG_CMD_KGDB)
169 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
172 /*-----------------------------------------------------------------------
173 * SYPCR - System Protection Control 11-9
174 * SYPCR can only be written once after reset!
175 *-----------------------------------------------------------------------
176 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
178 #if defined(CONFIG_WATCHDOG)
179 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
180 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
182 #define CFG_SYPCR (SYPCR_SWTC | 0x00000600 | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
185 /*-----------------------------------------------------------------------
186 * SIUMCR - SIU Module Configuration 11-6
187 *-----------------------------------------------------------------------
188 * PCMCIA config., multi-function pin tri-state
190 #define CFG_SIUMCR (SIUMCR_MLRC10)
192 /*-----------------------------------------------------------------------
193 * TBSCR - Time Base Status and Control 11-26
194 *-----------------------------------------------------------------------
195 * Clear Reference Interrupt Status, Timebase freezing enabled
197 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
199 /*-----------------------------------------------------------------------
200 * RTCSC - Real-Time Clock Status and Control Register 11-27
201 *-----------------------------------------------------------------------
203 /*%%%#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
204 #define CFG_RTCSC (RTCSC_SEC | RTCSC_RTE)
206 /*-----------------------------------------------------------------------
207 * PISCR - Periodic Interrupt Status and Control 11-31
208 *-----------------------------------------------------------------------
209 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
211 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
213 /*-----------------------------------------------------------------------
214 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
215 *-----------------------------------------------------------------------
216 * Reset PLL lock status sticky bit, timer expired status bit and timer
217 * interrupt status bit
219 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
221 /* up to 50 MHz we use a 1:1 clock */
222 #define CFG_PLPRCR ( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
224 /*-----------------------------------------------------------------------
225 * SCCR - System Clock and reset Control Register 15-27
226 *-----------------------------------------------------------------------
227 * Set clock output, timebase and RTC source and divider,
228 * power management and some other internal clocks
230 #define SCCR_MASK SCCR_EBDF00
231 /* up to 50 MHz we use a 1:1 clock */
232 #define CFG_SCCR (SCCR_COM11 | SCCR_TBS)
234 /*-----------------------------------------------------------------------
236 *-----------------------------------------------------------------------
239 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
240 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
241 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
242 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
243 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
244 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
245 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
246 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
248 /*-----------------------------------------------------------------------
249 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
250 *-----------------------------------------------------------------------
253 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
255 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
256 #undef CONFIG_IDE_LED /* LED for ide not supported */
257 #undef CONFIG_IDE_RESET /* reset for ide not supported */
259 #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
260 #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
262 #define CFG_ATA_IDE0_OFFSET 0x0000
264 #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
266 /* Offset for data I/O */
267 #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
269 /* Offset for normal register accesses */
270 #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
272 /* Offset for alternate registers */
273 #define CFG_ATA_ALT_OFFSET 0x0100
275 /*-----------------------------------------------------------------------
277 *-----------------------------------------------------------------------
280 /*#define CFG_DER 0x2002000F*/
284 * Init Memory Controller:
286 * BR0 and OR0 (FLASH)
289 #define FLASH_BASE_PRELIM 0xFE000000 /* FLASH base */
290 #define CFG_PRELIM_OR_AM 0xFE000000 /* OR addr mask */
292 /* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
293 #define CFG_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
295 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
296 #define CFG_BR0_PRELIM ((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
299 * BR1 and OR1 (SDRAM)
302 #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM base */
303 #define SDRAM_MAX_SIZE 0x01000000 /* max 16 MB */
305 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
306 #define CFG_OR_TIMING_SDRAM 0x00000E00
308 #define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM )
309 #define CFG_BR1_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
311 /* RPXLITE mem setting */
312 #define CFG_BR3_PRELIM 0xFA400001 /* BCSR */
313 #define CFG_OR3_PRELIM 0xFFFF8910
314 #define CFG_BR4_PRELIM 0xFA000401 /* NVRAM&SRAM */
315 #define CFG_OR4_PRELIM 0xFFFE0970
318 * Memory Periodic Timer Prescaler
321 /* periodic timer for refresh */
322 #define CFG_MAMR_PTA 58
325 * Refresh clock Prescalar
327 #define CFG_MPTPR MPTPR_PTP_DIV8
330 * MAMR settings for SDRAM
333 /* 10 column SDRAM */
334 #define CFG_MAMR_10COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
335 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A12 | \
336 MAMR_GPL_A4DIS | MAMR_RLFA_4X | MAMR_WLFA_3X | MAMR_TLFA_16X)
339 * Internal Definitions
343 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
344 #define BOOTFLAG_WARM 0x02 /* Software reboot */
347 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
348 /* Configuration variable added by yooth. */
349 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
354 * Board Status and Control Registers
358 #define BCSR0 0xFA400000
359 #define BCSR1 0xFA400001
360 #define BCSR2 0xFA400002
361 #define BCSR3 0xFA400003
363 #define BCSR0_ENMONXCVR 0x01 /* Monitor XVCR Control */
364 #define BCSR0_ENNVRAM 0x02 /* CS4# Control */
365 #define BCSR0_LED5 0x04 /* LED5 control 0='on' 1='off' */
366 #define BCSR0_LED4 0x08 /* LED4 control 0='on' 1='off' */
367 #define BCSR0_FULLDPLX 0x10 /* Ethernet XCVR Control */
368 #define BCSR0_COLTEST 0x20
369 #define BCSR0_ETHLPBK 0x40
370 #define BCSR0_ETHEN 0x80
372 #define BCSR1_PCVCTL7 0x01 /* PC Slot B Control */
373 #define BCSR1_PCVCTL6 0x02
374 #define BCSR1_PCVCTL5 0x04
375 #define BCSR1_PCVCTL4 0x08
376 #define BCSR1_IPB5SEL 0x10
378 #define BCSR2_ENPA5HDR 0x08 /* USB Control */
379 #define BCSR2_ENUSBCLK 0x10
380 #define BCSR2_USBPWREN 0x20
381 #define BCSR2_USBSPD 0x40
382 #define BCSR2_USBSUSP 0x80
384 #define BCSR3_BWRTC 0x01 /* Real Time Clock Battery */
385 #define BCSR3_BWNVR 0x02 /* NVRAM Battery */
386 #define BCSR3_RDY_BSY 0x04 /* Flash Operation */
387 #define BCSR3_RPXL 0x08 /* Reserved (reads back '1') */
388 #define BCSR3_D27 0x10 /* Dip Switch settings */
389 #define BCSR3_D26 0x20
390 #define BCSR3_D25 0x40
391 #define BCSR3_D24 0x80
393 #endif /* __CONFIG_H */