2 **=====================================================================
4 ** Copyright (C) 2000, 2001, 2002, 2003
5 ** The LEOX team <team@leox.org>, http://www.leox.org
7 ** LEOX.org is about the development of free hardware and software resources
10 ** Description: U-Boot port on the LEOX's ELPT860 CPU board
13 **=====================================================================
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.
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.
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,
30 **=====================================================================
34 * board/config.h - configuration options, board specific
42 * High Level Configuration Options
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 */
50 #define CONFIG_SYS_TEXT_BASE 0x02000000
52 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
53 #undef CONFIG_8xx_CONS_SMC2
54 #undef CONFIG_8xx_CONS_NONE
56 #define CONFIG_CLOCKS_IN_MHZ 1 /* Clock passed to Linux (<2.4.5) in MHz */
57 #define CONFIG_8xx_GCLK_FREQ 50000000 /* MPC860T runs at 50MHz */
59 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
61 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
62 #define CONFIG_RESET_PHY_R 1 /* Call reset_phy() */
65 #define CONFIG_PREBOOT \
67 "echo Type \"run nfsboot\" to mount root filesystem over NFS;" \
70 #undef CONFIG_BOOTARGS
72 #define CONFIG_EXTRA_ENV_SETTINGS \
73 "ramargs=setenv bootargs root=/dev/ram rw\0" \
74 "rootargs=setenv rootpath /tftp/${ipaddr}\0" \
75 "nfsargs=setenv bootargs root=/dev/nfs rw " \
76 "nfsroot=${serverip}:${rootpath}\0" \
77 "addip=setenv bootargs ${bootargs} " \
78 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
79 ":${hostname}:eth0:off panic=1\0" \
80 "ramboot=tftp 400000 /home/paugaml/pMulti;" \
81 "run ramargs;bootm\0" \
82 "nfsboot=tftp 400000 /home/paugaml/uImage;" \
83 "run rootargs;run nfsargs;run addip;bootm\0" \
85 #define CONFIG_BOOTCOMMAND "run ramboot"
90 #define CONFIG_BOOTP_SUBNETMASK
91 #define CONFIG_BOOTP_GATEWAY
92 #define CONFIG_BOOTP_HOSTNAME
93 #define CONFIG_BOOTP_BOOTPATH
94 #define CONFIG_BOOTP_BOOTFILESIZE
97 #undef CONFIG_WATCHDOG /* watchdog disabled */
98 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
99 #undef CONFIG_RTC_MPC8xx /* internal RTC MPC8xx unused */
100 #define CONFIG_RTC_DS164x 1 /* RTC is a Dallas DS1646 */
102 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
103 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
107 * Command line configuration.
109 #include <config_cmd_default.h>
111 #define CONFIG_CMD_ASKENV
112 #define CONFIG_CMD_DATE
116 * Miscellaneous configurable options
118 #define CONFIG_SYS_LONGHELP /* undef to save memory */
119 #define CONFIG_SYS_PROMPT "LEOX_elpt860: " /* Monitor Command Prompt */
121 #if defined(CONFIG_CMD_KGDB)
122 # define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
124 # define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
127 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
128 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
129 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
131 #define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
132 #define CONFIG_SYS_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */
134 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
136 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
139 * Environment Variables and Storages
141 #define CONFIG_ENV_OVERWRITE 1 /* Allow Overwrite of serial# & ethaddr */
143 #undef CONFIG_ENV_IS_IN_NVRAM /* Environment is in NVRAM */
144 #undef CONFIG_ENV_IS_IN_EEPROM /* Environment is in I2C EEPROM */
145 #define CONFIG_ENV_IS_IN_FLASH 1 /* Environment is in FLASH */
147 #define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 bps */
149 #define CONFIG_ETHADDR 00:01:77:00:60:40
150 #define CONFIG_IPADDR 192.168.0.30
151 #define CONFIG_NETMASK 255.255.255.0
153 #define CONFIG_SERVERIP 192.168.0.1
154 #define CONFIG_GATEWAYIP 192.168.0.1
157 * Low Level Configuration Settings
158 * (address mappings, register initial values, etc.)
159 * You should know what you are doing if you make changes here.
162 /*-----------------------------------------------------------------------
163 * Internal Memory Mapped Register
165 #define CONFIG_SYS_IMMR 0xFF000000
167 /*-----------------------------------------------------------------------
168 * Definitions for initial stack pointer and data area (in DPRAM)
170 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
171 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
172 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
173 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
175 /*-----------------------------------------------------------------------
176 * Start addresses for the final memory configuration
177 * (Set up by the startup code)
178 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
180 #define CONFIG_SYS_SDRAM_BASE 0x00000000
181 #define CONFIG_SYS_FLASH_BASE 0x02000000
182 #define CONFIG_SYS_NVRAM_BASE 0x03000000
184 #if defined(CONFIG_ENV_IS_IN_FLASH)
186 # define CONFIG_SYS_MONITOR_LEN (320 << 10) /* Reserve 320 kB for Monitor */
188 # define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
192 # define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
194 # define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
198 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
199 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
202 * For booting Linux, the board info and command line data
203 * have to be in the first 8 MB of memory, since this is
204 * the maximum mapped by the Linux kernel during initialization.
206 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
208 /*-----------------------------------------------------------------------
211 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
212 #define CONFIG_SYS_MAX_FLASH_SECT 8 /* max number of sectors on one chip */
214 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
215 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
217 #if defined(CONFIG_ENV_IS_IN_FLASH)
218 # define CONFIG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
219 # define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
222 /*-----------------------------------------------------------------------
225 #define CONFIG_SYS_NVRAM_BASE_ADDR CONFIG_SYS_NVRAM_BASE /* Base address of NVRAM area */
226 #define CONFIG_SYS_NVRAM_SIZE ((128*1024)-8) /* clock regs resident in the */
227 /* 8 top NVRAM locations */
229 #if defined(CONFIG_ENV_IS_IN_NVRAM)
230 # define CONFIG_ENV_ADDR CONFIG_SYS_NVRAM_BASE /* Base address of NVRAM area */
231 # define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
234 /*-----------------------------------------------------------------------
235 * Cache Configuration
237 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
239 #if defined(CONFIG_CMD_KGDB)
240 # define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
243 /*-----------------------------------------------------------------------
244 * SYPCR - System Protection Control 11-9
245 * SYPCR can only be written once after reset!
246 *-----------------------------------------------------------------------
247 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
249 #if defined(CONFIG_WATCHDOG)
250 # define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
251 SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
253 # define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
257 /*-----------------------------------------------------------------------
258 * SUMCR - SIU Module Configuration 11-6
259 *-----------------------------------------------------------------------
260 * PCMCIA config., multi-function pin tri-state
262 #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11)
264 /*-----------------------------------------------------------------------
265 * TBSCR - Time Base Status and Control 11-26
266 *-----------------------------------------------------------------------
267 * Clear Reference Interrupt Status, Timebase freezing enabled
269 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
271 /*-----------------------------------------------------------------------
272 * RTCSC - Real-Time Clock Status and Control Register 11-27
273 *-----------------------------------------------------------------------
274 * Once-per-Second Interrupt, Alarm Interrupt, RTC freezing enabled, RTC
277 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
279 /*-----------------------------------------------------------------------
280 * PISCR - Periodic Interrupt Status and Control 11-31
281 *-----------------------------------------------------------------------
282 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
284 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
286 /*-----------------------------------------------------------------------
287 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
288 *-----------------------------------------------------------------------
289 * Reset PLL lock status sticky bit, timer expired status bit and timer
290 * interrupt status bit - leave PLL multiplication factor unchanged !
292 #define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
294 /*-----------------------------------------------------------------------
295 * SCCR - System Clock and reset Control Register 15-27
296 *-----------------------------------------------------------------------
297 * Set clock output, timebase and RTC source and divider,
298 * power management and some other internal clocks
300 #define SCCR_MASK SCCR_EBDF11
301 #define CONFIG_SYS_SCCR (SCCR_TBS | \
302 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
303 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
306 /*-----------------------------------------------------------------------
307 * Chip Selects + SDRAM timings + Memory Periodic Timer Prescaler
308 *-----------------------------------------------------------------------
312 # define CONFIG_SYS_DER 0xFFE7400F /* Debug Enable Register */
314 # define CONFIG_SYS_DER 0
318 * Init Memory Controller:
319 * ~~~~~~~~~~~~~~~~~~~~~~
321 * BR0 and OR0 (FLASH)
324 #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
326 /* used to re-map FLASH both when starting from SRAM or FLASH:
327 * restrict access enough to keep SRAM working (if any)
328 * but not too much to meddle with FLASH accesses
330 #define CONFIG_SYS_PRELIM_OR_AM 0xFF000000 /* 16 MB between each CSx */
332 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 0, SCY = 8, EHTR = 0 */
333 #define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | OR_SCY_8_CLK)
335 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
336 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
339 * BR1 and OR1 (SDRAM)
342 #define SDRAM_BASE1_PRELIM CONFIG_SYS_SDRAM_BASE /* SDRAM bank #0 */
343 #define SDRAM_MAX_SIZE 0x02000000 /* 32 MB MAX for CS1 */
346 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000000
348 #define CONFIG_SYS_OR1_PRELIM ((2 * CONFIG_SYS_PRELIM_OR_AM) | CONFIG_SYS_OR_TIMING_SDRAM )
349 #define CONFIG_SYS_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
352 * BR2 and OR2 (NVRAM)
355 #define NVRAM_BASE1_PRELIM CONFIG_SYS_NVRAM_BASE /* NVRAM bank #0 */
356 #define NVRAM_MAX_SIZE 0x00020000 /* 128 KB MAX for CS2 */
358 #define CONFIG_SYS_OR2_PRELIM 0xFFF80160
359 #define CONFIG_SYS_BR2_PRELIM ((NVRAM_BASE1_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
362 * Memory Periodic Timer Prescaler
365 /* periodic timer for refresh */
366 #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
368 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
369 #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
370 #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
372 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
373 #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
374 #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
377 * MAMR settings for SDRAM
381 #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
382 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
383 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
385 #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
386 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
387 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
389 #endif /* __CONFIG_H */