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i2c, multibus: get rid of CONFIG_I2C_MUX
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1 /*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24 /* Yoo. Jonghoon, IPone, yooth@ipone.co.kr
25 * U-Boot port on RPXlite board
26 */
27
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30
31 #define RPXLite_50MHz
32
33 /*
34 * High Level Configuration Options
35 * (easy to change)
36 */
37
38 #undef CONFIG_MPC860
39 #define CONFIG_MPC850 1 /* This is a MPC850 CPU */
40 #define CONFIG_RPXLITE 1
41
42 #define CONFIG_SYS_TEXT_BASE 0xfff00000
43
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 9600 /* console baudrate = 9600bps */
48 #if 0
49 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
50 #else
51 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
52 #endif
53
54 #undef CONFIG_BOOTARGS
55 #define CONFIG_BOOTCOMMAND \
56 "bootp; " \
57 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
58 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
59 "bootm"
60
61 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
62 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
63
64 #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */
65
66 /* enable I2C and select the hardware/software driver */
67 #define CONFIG_SYS_I2C
68 #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
69 #define CONFIG_SYS_I2C_SOFT_SPEED 40000 /* 40 kHz is supposed to work */
70 #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
71 /* Software (bit-bang) I2C driver configuration */
72 #define PB_SCL 0x00000020 /* PB 26 */
73 #define PB_SDA 0x00000010 /* PB 27 */
74
75 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
76 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
77 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
78 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
79 #define I2C_SDA(bit) if (bit) \
80 immr->im_cpm.cp_pbdat |= PB_SDA; \
81 else \
82 immr->im_cpm.cp_pbdat &= ~PB_SDA
83 #define I2C_SCL(bit) if (bit) \
84 immr->im_cpm.cp_pbdat |= PB_SCL; \
85 else \
86 immr->im_cpm.cp_pbdat &= ~PB_SCL
87 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
88
89 /* M41T11 Serial Access Timekeeper(R) SRAM */
90 #define CONFIG_RTC_M41T11 1
91 #define CONFIG_SYS_I2C_RTC_ADDR 0x68
92 /* play along with the linux driver */
93 #define CONFIG_SYS_M41T11_BASE_YEAR 1900
94
95 #undef CONFIG_WATCHDOG /* watchdog disabled */
96
97 /*
98 * BOOTP options
99 */
100 #define CONFIG_BOOTP_SUBNETMASK
101 #define CONFIG_BOOTP_GATEWAY
102 #define CONFIG_BOOTP_HOSTNAME
103 #define CONFIG_BOOTP_BOOTPATH
104 #define CONFIG_BOOTP_BOOTFILESIZE
105
106
107 /*
108 * Command line configuration.
109 */
110 #include <config_cmd_default.h>
111
112
113 /*
114 * Miscellaneous configurable options
115 */
116 #define CONFIG_SYS_LONGHELP /* undef to save memory */
117 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
118 #if defined(CONFIG_CMD_KGDB)
119 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
120 #else
121 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
122 #endif
123 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
124 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
125 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
126
127 #define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
128 #define CONFIG_SYS_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */
129
130 #define CONFIG_SYS_RESET_ADDRESS 0x09900000
131
132 #define CONFIG_SYS_LOAD_ADDR 0x400000 /* default load address */
133
134 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
135
136 /*
137 * Low Level Configuration Settings
138 * (address mappings, register initial values, etc.)
139 * You should know what you are doing if you make changes here.
140 */
141 /*-----------------------------------------------------------------------
142 * Internal Memory Mapped Register
143 */
144 #define CONFIG_SYS_IMMR 0xFA200000
145
146 /*-----------------------------------------------------------------------
147 * Definitions for initial stack pointer and data area (in DPRAM)
148 */
149 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
150 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
151 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
152 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
153
154 /*-----------------------------------------------------------------------
155 * Start addresses for the final memory configuration
156 * (Set up by the startup code)
157 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
158 */
159 #define CONFIG_SYS_SDRAM_BASE 0x00000000
160 #define CONFIG_SYS_FLASH_BASE 0xFFC00000
161 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
162 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
163 #ifdef CONFIG_BZIP2
164 #define CONFIG_SYS_MALLOC_LEN (4096 << 10) /* Reserve ~4 MB for malloc() */
165 #else
166 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */
167 #endif /* CONFIG_BZIP2 */
168
169 /*
170 * For booting Linux, the board info and command line data
171 * have to be in the first 8 MB of memory, since this is
172 * the maximum mapped by the Linux kernel during initialization.
173 */
174 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
175
176 /*-----------------------------------------------------------------------
177 * FLASH organization
178 */
179 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
180 #define CONFIG_SYS_MAX_FLASH_SECT 19 /* max number of sectors on one chip */
181
182 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
183 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
184
185 #define CONFIG_SYS_DIRECT_FLASH_TFTP
186
187 #define CONFIG_ENV_IS_IN_FLASH 1
188 #define CONFIG_ENV_SECT_SIZE 0x40000 /* We use one complete sector */
189 #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
190
191 #define CONFIG_ENV_OVERWRITE
192
193 /*-----------------------------------------------------------------------
194 * Cache Configuration
195 */
196 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
197 #if defined(CONFIG_CMD_KGDB)
198 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
199 #endif
200
201 /*-----------------------------------------------------------------------
202 * SYPCR - System Protection Control 11-9
203 * SYPCR can only be written once after reset!
204 *-----------------------------------------------------------------------
205 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
206 */
207 #if defined(CONFIG_WATCHDOG)
208 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
209 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
210 #else
211 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | 0x00000600 | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
212 #endif
213
214 /*-----------------------------------------------------------------------
215 * SIUMCR - SIU Module Configuration 11-6
216 *-----------------------------------------------------------------------
217 * PCMCIA config., multi-function pin tri-state
218 */
219 #define CONFIG_SYS_SIUMCR (SIUMCR_MLRC10)
220
221 /*-----------------------------------------------------------------------
222 * TBSCR - Time Base Status and Control 11-26
223 *-----------------------------------------------------------------------
224 * Clear Reference Interrupt Status, Timebase freezing enabled
225 */
226 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
227
228 /*-----------------------------------------------------------------------
229 * RTCSC - Real-Time Clock Status and Control Register 11-27
230 *-----------------------------------------------------------------------
231 */
232 /*%%%#define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
233 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_RTE)
234
235 /*-----------------------------------------------------------------------
236 * PISCR - Periodic Interrupt Status and Control 11-31
237 *-----------------------------------------------------------------------
238 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
239 */
240 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
241
242 /*-----------------------------------------------------------------------
243 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
244 *-----------------------------------------------------------------------
245 * Reset PLL lock status sticky bit, timer expired status bit and timer
246 * interrupt status bit
247 *
248 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
249 */
250 /* up to 50 MHz we use a 1:1 clock */
251 #define CONFIG_SYS_PLPRCR ( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
252
253 /*-----------------------------------------------------------------------
254 * SCCR - System Clock and reset Control Register 15-27
255 *-----------------------------------------------------------------------
256 * Set clock output, timebase and RTC source and divider,
257 * power management and some other internal clocks
258 */
259 #define SCCR_MASK SCCR_EBDF00
260 /* up to 50 MHz we use a 1:1 clock */
261 #define CONFIG_SYS_SCCR (SCCR_COM11 | SCCR_TBS)
262
263 /*-----------------------------------------------------------------------
264 * PCMCIA stuff
265 *-----------------------------------------------------------------------
266 *
267 */
268 #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
269 #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
270 #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
271 #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
272 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
273 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
274 #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
275 #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
276
277 /*-----------------------------------------------------------------------
278 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
279 *-----------------------------------------------------------------------
280 */
281
282 #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
283 #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
284
285 #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
286 #undef CONFIG_IDE_LED /* LED for ide not supported */
287 #undef CONFIG_IDE_RESET /* reset for ide not supported */
288
289 #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
290 #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
291
292 #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
293
294 #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
295
296 /* Offset for data I/O */
297 #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
298
299 /* Offset for normal register accesses */
300 #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
301
302 /* Offset for alternate registers */
303 #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
304
305 /*-----------------------------------------------------------------------
306 *
307 *-----------------------------------------------------------------------
308 *
309 */
310 /*#define CONFIG_SYS_DER 0x2002000F*/
311 #define CONFIG_SYS_DER 0
312
313 /*
314 * Init Memory Controller:
315 *
316 * BR0 and OR0 (FLASH)
317 */
318
319 #define FLASH_BASE_PRELIM 0xFE000000 /* FLASH base */
320 #define CONFIG_SYS_PRELIM_OR_AM 0xFE000000 /* OR addr mask */
321
322 /* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
323 #define CONFIG_SYS_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
324
325 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
326 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
327
328 /*
329 * BR1 and OR1 (SDRAM)
330 *
331 */
332 #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM base */
333 #define SDRAM_MAX_SIZE 0x01000000 /* max 16 MB */
334
335 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
336 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000E00
337
338 #define CONFIG_SYS_OR1_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
339 #define CONFIG_SYS_BR1_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
340
341 /* RPXLITE mem setting */
342 #define CONFIG_SYS_BR3_PRELIM 0xFA400001 /* BCSR */
343 #define CONFIG_SYS_OR3_PRELIM 0xFFFF8910
344 #define CONFIG_SYS_BR4_PRELIM 0xFA000401 /* NVRAM&SRAM */
345 #define CONFIG_SYS_OR4_PRELIM 0xFFFE0970
346
347 /*
348 * Memory Periodic Timer Prescaler
349 */
350
351 /* periodic timer for refresh */
352 #define CONFIG_SYS_MAMR_PTA 58
353
354 /*
355 * Refresh clock Prescalar
356 */
357 #define CONFIG_SYS_MPTPR MPTPR_PTP_DIV8
358
359 /*
360 * MAMR settings for SDRAM
361 */
362
363 /* 10 column SDRAM */
364 #define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
365 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A12 | \
366 MAMR_GPL_A4DIS | MAMR_RLFA_4X | MAMR_WLFA_3X | MAMR_TLFA_16X)
367
368 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
369 /* Configuration variable added by yooth. */
370 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
371
372 /*
373 * BCSRx
374 *
375 * Board Status and Control Registers
376 *
377 */
378
379 #define BCSR0 0xFA400000
380 #define BCSR1 0xFA400001
381 #define BCSR2 0xFA400002
382 #define BCSR3 0xFA400003
383
384 #define BCSR0_ENMONXCVR 0x01 /* Monitor XVCR Control */
385 #define BCSR0_ENNVRAM 0x02 /* CS4# Control */
386 #define BCSR0_LED5 0x04 /* LED5 control 0='on' 1='off' */
387 #define BCSR0_LED4 0x08 /* LED4 control 0='on' 1='off' */
388 #define BCSR0_FULLDPLX 0x10 /* Ethernet XCVR Control */
389 #define BCSR0_COLTEST 0x20
390 #define BCSR0_ETHLPBK 0x40
391 #define BCSR0_ETHEN 0x80
392
393 #define BCSR1_PCVCTL7 0x01 /* PC Slot B Control */
394 #define BCSR1_PCVCTL6 0x02
395 #define BCSR1_PCVCTL5 0x04
396 #define BCSR1_PCVCTL4 0x08
397 #define BCSR1_IPB5SEL 0x10
398
399 #define BCSR2_ENPA5HDR 0x08 /* USB Control */
400 #define BCSR2_ENUSBCLK 0x10
401 #define BCSR2_USBPWREN 0x20
402 #define BCSR2_USBSPD 0x40
403 #define BCSR2_USBSUSP 0x80
404
405 #define BCSR3_BWRTC 0x01 /* Real Time Clock Battery */
406 #define BCSR3_BWNVR 0x02 /* NVRAM Battery */
407 #define BCSR3_RDY_BSY 0x04 /* Flash Operation */
408 #define BCSR3_RPXL 0x08 /* Reserved (reads back '1') */
409 #define BCSR3_D27 0x10 /* Dip Switch settings */
410 #define BCSR3_D26 0x20
411 #define BCSR3_D25 0x40
412 #define BCSR3_D24 0x80
413
414 #endif /* __CONFIG_H */