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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 993cad9364c6b87ae429d1ed1130d8153f6f027e / . / include / configs / ELPT860.h
blob: e9561b9eb4a53640137ffacba69f6308e3011d56 [file] [log] [blame]
wdenk3bac3512003-03-12 10:41:04 +0000[diff] [blame]1/*
2**=====================================================================
3**
4** Copyright (C) 2000, 2001, 2002, 2003
5** The LEOX team <team@leox.org>, http://www.leox.org
6**
7** LEOX.org is about the development of free hardware and software resources
8** for system on chip.
9**
10** Description: U-Boot port on the LEOX's ELPT860 CPU board
11** ~~~~~~~~~~~
12**
13**=====================================================================
14**
15** This program is free software; you can redistribute it and/or
16** modify it under the terms of the GNU General Public License as
17** published by the Free Software Foundation; either version 2 of
18** the License, or (at your option) any later version.
19**
20** This program is distributed in the hope that it will be useful,
21** but WITHOUT ANY WARRANTY; without even the implied warranty of
22** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23** GNU General Public License for more details.
24**
25** You should have received a copy of the GNU General Public License
26** along with this program; if not, write to the Free Software
27** Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28** MA 02111-1307 USA
29**
30**=====================================================================
31*/
32
33/*
34 * board/config.h - configuration options, board specific
35 */
36
37#ifndef __CONFIG_H
38#define __CONFIG_H
39
40
41/*
42 * High Level Configuration Options
43 * (easy to change)
44 */
45
46#define CONFIG_MPC860 1 /* It's a MPC860, in fact a 860T CPU */
47#define CONFIG_MPC860T 1
48#define CONFIG_ELPT860 1 /* ...on a LEOX's ELPT860 CPU board */
49
50#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
51#undef CONFIG_8xx_CONS_SMC2
52#undef CONFIG_8xx_CONS_NONE
53
54#define CONFIG_CLOCKS_IN_MHZ 1 /* Clock passed to Linux (<2.4.5) in MHz */
55#define CONFIG_8xx_GCLK_FREQ 50000000 /* MPC860T runs at 50MHz */
56
57#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
58
59#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
60
61/* BOOT arguments */
62#define CONFIG_PREBOOT \
63 "echo;" \
64 "echo Type \"run nfsboot\" to mount root filesystem over NFS;" \
65 "echo"
66
67#undef CONFIG_BOOTARGS
68
69#define CONFIG_EXTRA_ENV_SETTINGS \
70 "ramargs=setenv bootargs root=/dev/ram rw\0" \
71 "rootargs=setenv rootpath /tftp/$(ipaddr)\0" \
72 "nfsargs=setenv bootargs root=/dev/nfs rw " \
73 "nfsroot=$(serverip):$(rootpath)\0" \
74 "addip=setenv bootargs $(bootargs) " \
75 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
76 ":$(hostname):eth0:off panic=1\0" \
77 "ramboot=tftp 400000 /home/paugaml/pMulti;" \
78 "run ramargs;bootm\0" \
79 "nfsboot=tftp 400000 /home/paugaml/uImage;" \
80 "run rootargs;run nfsargs;run addip;bootm\0" \
81 ""
82#define CONFIG_BOOTCOMMAND "run ramboot"
83
84#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
85
86#undef CONFIG_WATCHDOG /* watchdog disabled */
87#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
88#undef CONFIG_RTC_MPC8xx /* internal RTC MPC8xx unused */
89#define CONFIG_RTC_DS164x 1 /* RTC is a Dallas DS1646 */
90
91#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
92#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
93
94#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
95 CFG_CMD_ASKENV | \
96 CFG_CMD_DATE )
97
98/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
99#include <cmd_confdefs.h>
100
101/*
102 * Miscellaneous configurable options
103 */
104#define CFG_LONGHELP /* undef to save memory */
105#define CFG_PROMPT "LEOX_elpt860: " /* Monitor Command Prompt */
106
107#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
108# define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
109#else
110# define CFG_CBSIZE 256 /* Console I/O Buffer Size */
111#endif
112
113#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
114#define CFG_MAXARGS 16 /* max number of command args */
115#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
116
117#define CFG_MEMTEST_START 0x00400000 /* memtest works on */
118#define CFG_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */
119
120#define CFG_LOAD_ADDR 0x00100000 /* default load address */
121
122#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
123
124/*
125 * Environment Variables and Storages
126 */
127#define CONFIG_ENV_OVERWRITE 1 /* Allow Overwrite of serial# & ethaddr */
128
129#undef CFG_ENV_IS_IN_NVRAM /* Environment is in NVRAM */
130#undef CFG_ENV_IS_IN_EEPROM /* Environment is in I2C EEPROM */
131#define CFG_ENV_IS_IN_FLASH 1 /* Environment is in FLASH */
132
133#define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 bps */
134#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
135
136#define CONFIG_ETHADDR 00:01:77:00:60:40
137#define CONFIG_IPADDR 192.168.0.30
138#define CONFIG_NETMASK 255.255.255.0
139
140#define CONFIG_SERVERIP 192.168.0.1
141#define CONFIG_GATEWAYIP 192.168.0.1
142
143/*
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.
147 */
148
149/*-----------------------------------------------------------------------
150 * Internal Memory Mapped Register
151 */
152#define CFG_IMMR 0xFF000000
153
154/*-----------------------------------------------------------------------
155 * Definitions for initial stack pointer and data area (in DPRAM)
156 */
157#define CFG_INIT_RAM_ADDR CFG_IMMR
158#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
159#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
160#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
161#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
162
163/*-----------------------------------------------------------------------
164 * Start addresses for the final memory configuration
165 * (Set up by the startup code)
166 * Please note that CFG_SDRAM_BASE _must_ start at 0
167 */
168#define CFG_SDRAM_BASE 0x00000000
169#define CFG_FLASH_BASE 0x02000000
170#define CFG_NVRAM_BASE 0x03000000
171
172#if defined(CFG_ENV_IS_IN_FLASH)
173# if defined(DEBUG)
174# define CFG_MONITOR_LEN (320 << 10) /* Reserve 320 kB for Monitor */
175# else
176# define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
177# endif
178#else
179# if defined(DEBUG)
180# define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
181# else
182# define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
183# endif
184#endif
185
186#define CFG_MONITOR_BASE CFG_FLASH_BASE
187#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
188
189/*
190 * For booting Linux, the board info and command line data
191 * have to be in the first 8 MB of memory, since this is
192 * the maximum mapped by the Linux kernel during initialization.
193 */
194#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
195
196/*-----------------------------------------------------------------------
197 * FLASH organization
198 */
199#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
200#define CFG_MAX_FLASH_SECT 8 /* max number of sectors on one chip */
201
202#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
203#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
204
205#if defined(CFG_ENV_IS_IN_FLASH)
206# define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
207# define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
208#endif
209
210/*-----------------------------------------------------------------------
211 * NVRAM organization
212 */
213#define CFG_NVRAM_BASE_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */
214#define CFG_NVRAM_SIZE ((128*1024)-8) /* clock regs resident in the */
215 /* 8 top NVRAM locations */
216
217#if defined(CFG_ENV_IS_IN_NVRAM)
218# define CFG_ENV_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */
219# define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
220#endif
221
222/*-----------------------------------------------------------------------
223 * Cache Configuration
224 */
225#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
226
227#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
228# define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
229#endif
230
231/*-----------------------------------------------------------------------
232 * SYPCR - System Protection Control 11-9
233 * SYPCR can only be written once after reset!
234 *-----------------------------------------------------------------------
235 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
236 */
237#if defined(CONFIG_WATCHDOG)
238# define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
239 SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
240#else
241# define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
242 SYPCR_SWP)
243#endif
244
245/*-----------------------------------------------------------------------
246 * SUMCR - SIU Module Configuration 11-6
247 *-----------------------------------------------------------------------
248 * PCMCIA config., multi-function pin tri-state
249 */
250#define CFG_SIUMCR (SIUMCR_DBGC11)
251
252/*-----------------------------------------------------------------------
253 * TBSCR - Time Base Status and Control 11-26
254 *-----------------------------------------------------------------------
255 * Clear Reference Interrupt Status, Timebase freezing enabled
256 */
257#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
258
259/*-----------------------------------------------------------------------
260 * RTCSC - Real-Time Clock Status and Control Register 11-27
261 *-----------------------------------------------------------------------
262 * Once-per-Second Interrupt, Alarm Interrupt, RTC freezing enabled, RTC
263 * enabled
264 */
265#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
266
267/*-----------------------------------------------------------------------
268 * PISCR - Periodic Interrupt Status and Control 11-31
269 *-----------------------------------------------------------------------
270 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
271 */
272#define CFG_PISCR (PISCR_PS | PISCR_PITF)
273
274/*-----------------------------------------------------------------------
275 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
276 *-----------------------------------------------------------------------
277 * Reset PLL lock status sticky bit, timer expired status bit and timer
278 * interrupt status bit - leave PLL multiplication factor unchanged !
279 */
280#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
281
282/*-----------------------------------------------------------------------
283 * SCCR - System Clock and reset Control Register 15-27
284 *-----------------------------------------------------------------------
285 * Set clock output, timebase and RTC source and divider,
286 * power management and some other internal clocks
287 */
288#define SCCR_MASK SCCR_EBDF11
289#define CFG_SCCR (SCCR_TBS | \
290 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
291 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
292 SCCR_DFALCD00)
293
294/*-----------------------------------------------------------------------
295 * Chip Selects + SDRAM timings + Memory Periodic Timer Prescaler
296 *-----------------------------------------------------------------------
297 *
298 */
299#ifdef DEBUG
300# define CFG_DER 0xFFE7400F /* Debug Enable Register */
301#else
302# define CFG_DER 0
303#endif
304
305/*
306 * Init Memory Controller:
307 * ~~~~~~~~~~~~~~~~~~~~~~
308 *
309 * BR0 and OR0 (FLASH)
310 */
311
312#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
313
314/* used to re-map FLASH both when starting from SRAM or FLASH:
315 * restrict access enough to keep SRAM working (if any)
316 * but not too much to meddle with FLASH accesses
317 */
318#define CFG_PRELIM_OR_AM 0xFF000000 /* 16 MB between each CSx */
319
320/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 0, SCY = 8, EHTR = 0 */
321#define CFG_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | OR_SCY_8_CLK)
322
323#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
324#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
325
326/*
327 * BR1 and OR1 (SDRAM)
328 *
329 */
330#define SDRAM_BASE1_PRELIM CFG_SDRAM_BASE /* SDRAM bank #0 */
331#define SDRAM_MAX_SIZE 0x02000000 /* 32 MB MAX for CS1 */
332
333/* SDRAM timing: */
334#define CFG_OR_TIMING_SDRAM 0x00000000
335
336#define CFG_OR1_PRELIM ((2 * CFG_PRELIM_OR_AM) | CFG_OR_TIMING_SDRAM )
337#define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
338
339/*
340 * BR2 and OR2 (NVRAM)
341 *
342 */
343#define NVRAM_BASE1_PRELIM CFG_NVRAM_BASE /* NVRAM bank #0 */
344#define NVRAM_MAX_SIZE 0x00020000 /* 128 KB MAX for CS2 */
345
346#define CFG_OR2_PRELIM 0xFFF80160
347#define CFG_BR2_PRELIM ((NVRAM_BASE1_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
348
349/*
350 * Memory Periodic Timer Prescaler
351 */
352
353/* periodic timer for refresh */
354#define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
355
356/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
357#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
358#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
359
360/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
361#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
362#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
363
364/*
365 * MAMR settings for SDRAM
366 */
367
368/* 8 column SDRAM */
369#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
370 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
371 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
372/* 9 column SDRAM */
373#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
374 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
375 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
376
377/*-----------------------------------------------------------------------
378 * Internal Definitions
379 *-----------------------------------------------------------------------
380 *
381 */
382
383/*
384 * Boot Flags
385 */
386#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
387#define BOOTFLAG_WARM 0x02 /* Software reboot */
388
389
390#endif /* __CONFIG_H */