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_8xx_CONS_SMC1 1 /* Console is on SMC1 */
51 #undef CONFIG_8xx_CONS_SMC2
52 #undef CONFIG_8xx_CONS_NONE
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 */
57 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
59 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
62 #define CONFIG_PREBOOT \
64 "echo Type \"run nfsboot\" to mount root filesystem over NFS;" \
67 #undef CONFIG_BOOTARGS
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" \
82 #define CONFIG_BOOTCOMMAND "run ramboot"
87 #define CONFIG_BOOTP_SUBNETMASK
88 #define CONFIG_BOOTP_GATEWAY
89 #define CONFIG_BOOTP_HOSTNAME
90 #define CONFIG_BOOTP_BOOTPATH
91 #define CONFIG_BOOTP_BOOTFILESIZE
94 #undef CONFIG_WATCHDOG /* watchdog disabled */
95 #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
96 #undef CONFIG_RTC_MPC8xx /* internal RTC MPC8xx unused */
97 #define CONFIG_RTC_DS164x 1 /* RTC is a Dallas DS1646 */
99 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
100 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
104 * Command line configuration.
106 #include <config_cmd_default.h>
108 #define CONFIG_CMD_ASKENV
109 #define CONFIG_CMD_DATE
113 * Miscellaneous configurable options
115 #define CFG_LONGHELP /* undef to save memory */
116 #define CFG_PROMPT "LEOX_elpt860: " /* Monitor Command Prompt */
118 #if defined(CONFIG_CMD_KGDB)
119 # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
121 # define CFG_CBSIZE 256 /* Console I/O Buffer Size */
124 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
125 #define CFG_MAXARGS 16 /* max number of command args */
126 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
128 #define CFG_MEMTEST_START 0x00400000 /* memtest works on */
129 #define CFG_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */
131 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
133 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
136 * Environment Variables and Storages
138 #define CONFIG_ENV_OVERWRITE 1 /* Allow Overwrite of serial# & ethaddr */
140 #undef CFG_ENV_IS_IN_NVRAM /* Environment is in NVRAM */
141 #undef CFG_ENV_IS_IN_EEPROM /* Environment is in I2C EEPROM */
142 #define CFG_ENV_IS_IN_FLASH 1 /* Environment is in FLASH */
144 #define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 bps */
145 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
147 #define CONFIG_ETHADDR 00:01:77:00:60:40
148 #define CONFIG_IPADDR 192.168.0.30
149 #define CONFIG_NETMASK 255.255.255.0
151 #define CONFIG_SERVERIP 192.168.0.1
152 #define CONFIG_GATEWAYIP 192.168.0.1
155 * Low Level Configuration Settings
156 * (address mappings, register initial values, etc.)
157 * You should know what you are doing if you make changes here.
160 /*-----------------------------------------------------------------------
161 * Internal Memory Mapped Register
163 #define CFG_IMMR 0xFF000000
165 /*-----------------------------------------------------------------------
166 * Definitions for initial stack pointer and data area (in DPRAM)
168 #define CFG_INIT_RAM_ADDR CFG_IMMR
169 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
170 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
171 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
172 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
174 /*-----------------------------------------------------------------------
175 * Start addresses for the final memory configuration
176 * (Set up by the startup code)
177 * Please note that CFG_SDRAM_BASE _must_ start at 0
179 #define CFG_SDRAM_BASE 0x00000000
180 #define CFG_FLASH_BASE 0x02000000
181 #define CFG_NVRAM_BASE 0x03000000
183 #if defined(CFG_ENV_IS_IN_FLASH)
185 # define CFG_MONITOR_LEN (320 << 10) /* Reserve 320 kB for Monitor */
187 # define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
191 # define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
193 # define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
197 #define CFG_MONITOR_BASE CFG_FLASH_BASE
198 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
201 * For booting Linux, the board info and command line data
202 * have to be in the first 8 MB of memory, since this is
203 * the maximum mapped by the Linux kernel during initialization.
205 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
207 /*-----------------------------------------------------------------------
210 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
211 #define CFG_MAX_FLASH_SECT 8 /* max number of sectors on one chip */
213 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
214 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
216 #if defined(CFG_ENV_IS_IN_FLASH)
217 # define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
218 # define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
221 /*-----------------------------------------------------------------------
224 #define CFG_NVRAM_BASE_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */
225 #define CFG_NVRAM_SIZE ((128*1024)-8) /* clock regs resident in the */
226 /* 8 top NVRAM locations */
228 #if defined(CFG_ENV_IS_IN_NVRAM)
229 # define CFG_ENV_ADDR CFG_NVRAM_BASE /* Base address of NVRAM area */
230 # define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
233 /*-----------------------------------------------------------------------
234 * Cache Configuration
236 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
238 #if defined(CONFIG_CMD_KGDB)
239 # define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
242 /*-----------------------------------------------------------------------
243 * SYPCR - System Protection Control 11-9
244 * SYPCR can only be written once after reset!
245 *-----------------------------------------------------------------------
246 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
248 #if defined(CONFIG_WATCHDOG)
249 # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
250 SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
252 # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
256 /*-----------------------------------------------------------------------
257 * SUMCR - SIU Module Configuration 11-6
258 *-----------------------------------------------------------------------
259 * PCMCIA config., multi-function pin tri-state
261 #define CFG_SIUMCR (SIUMCR_DBGC11)
263 /*-----------------------------------------------------------------------
264 * TBSCR - Time Base Status and Control 11-26
265 *-----------------------------------------------------------------------
266 * Clear Reference Interrupt Status, Timebase freezing enabled
268 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
270 /*-----------------------------------------------------------------------
271 * RTCSC - Real-Time Clock Status and Control Register 11-27
272 *-----------------------------------------------------------------------
273 * Once-per-Second Interrupt, Alarm Interrupt, RTC freezing enabled, RTC
276 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
278 /*-----------------------------------------------------------------------
279 * PISCR - Periodic Interrupt Status and Control 11-31
280 *-----------------------------------------------------------------------
281 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
283 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
285 /*-----------------------------------------------------------------------
286 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
287 *-----------------------------------------------------------------------
288 * Reset PLL lock status sticky bit, timer expired status bit and timer
289 * interrupt status bit - leave PLL multiplication factor unchanged !
291 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
293 /*-----------------------------------------------------------------------
294 * SCCR - System Clock and reset Control Register 15-27
295 *-----------------------------------------------------------------------
296 * Set clock output, timebase and RTC source and divider,
297 * power management and some other internal clocks
299 #define SCCR_MASK SCCR_EBDF11
300 #define CFG_SCCR (SCCR_TBS | \
301 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
302 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
305 /*-----------------------------------------------------------------------
306 * Chip Selects + SDRAM timings + Memory Periodic Timer Prescaler
307 *-----------------------------------------------------------------------
311 # define CFG_DER 0xFFE7400F /* Debug Enable Register */
317 * Init Memory Controller:
318 * ~~~~~~~~~~~~~~~~~~~~~~
320 * BR0 and OR0 (FLASH)
323 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
325 /* used to re-map FLASH both when starting from SRAM or FLASH:
326 * restrict access enough to keep SRAM working (if any)
327 * but not too much to meddle with FLASH accesses
329 #define CFG_PRELIM_OR_AM 0xFF000000 /* 16 MB between each CSx */
331 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 0, SCY = 8, EHTR = 0 */
332 #define CFG_OR_TIMING_FLASH (OR_ACS_DIV2 | OR_BI | OR_SCY_8_CLK)
334 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
335 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
338 * BR1 and OR1 (SDRAM)
341 #define SDRAM_BASE1_PRELIM CFG_SDRAM_BASE /* SDRAM bank #0 */
342 #define SDRAM_MAX_SIZE 0x02000000 /* 32 MB MAX for CS1 */
345 #define CFG_OR_TIMING_SDRAM 0x00000000
347 #define CFG_OR1_PRELIM ((2 * CFG_PRELIM_OR_AM) | CFG_OR_TIMING_SDRAM )
348 #define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
351 * BR2 and OR2 (NVRAM)
354 #define NVRAM_BASE1_PRELIM CFG_NVRAM_BASE /* NVRAM bank #0 */
355 #define NVRAM_MAX_SIZE 0x00020000 /* 128 KB MAX for CS2 */
357 #define CFG_OR2_PRELIM 0xFFF80160
358 #define CFG_BR2_PRELIM ((NVRAM_BASE1_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
361 * Memory Periodic Timer Prescaler
364 /* periodic timer for refresh */
365 #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
367 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
368 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
369 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
371 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
372 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
373 #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
376 * MAMR settings for SDRAM
380 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
381 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
382 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
384 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
385 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
386 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
388 /*-----------------------------------------------------------------------
389 * Internal Definitions
390 *-----------------------------------------------------------------------
397 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
398 #define BOOTFLAG_WARM 0x02 /* Software reboot */
401 #endif /* __CONFIG_H */