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"
84 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
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 */
91 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
92 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
94 #define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
98 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
99 #include <cmd_confdefs.h>
102 * Miscellaneous configurable options
104 #define CFG_LONGHELP /* undef to save memory */
105 #define CFG_PROMPT "LEOX_elpt860: " /* Monitor Command Prompt */
107 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
108 # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
110 # define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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 */
117 #define CFG_MEMTEST_START 0x00400000 /* memtest works on */
118 #define CFG_MEMTEST_END 0x00C00000 /* 4 ... 12 MB in DRAM */
120 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
122 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
125 * Environment Variables and Storages
127 #define CONFIG_ENV_OVERWRITE 1 /* Allow Overwrite of serial# & ethaddr */
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 */
133 #define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 bps */
134 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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
140 #define CONFIG_SERVERIP 192.168.0.1
141 #define CONFIG_GATEWAYIP 192.168.0.1
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.
149 /*-----------------------------------------------------------------------
150 * Internal Memory Mapped Register
152 #define CFG_IMMR 0xFF000000
154 /*-----------------------------------------------------------------------
155 * Definitions for initial stack pointer and data area (in DPRAM)
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
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
168 #define CFG_SDRAM_BASE 0x00000000
169 #define CFG_FLASH_BASE 0x02000000
170 #define CFG_NVRAM_BASE 0x03000000
172 #if defined(CFG_ENV_IS_IN_FLASH)
174 # define CFG_MONITOR_LEN (320 << 10) /* Reserve 320 kB for Monitor */
176 # define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
180 # define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
182 # define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
186 #define CFG_MONITOR_BASE CFG_FLASH_BASE
187 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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.
194 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
196 /*-----------------------------------------------------------------------
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 */
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) */
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 */
210 /*-----------------------------------------------------------------------
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 */
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 */
222 /*-----------------------------------------------------------------------
223 * Cache Configuration
225 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
227 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
228 # define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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
237 #if defined(CONFIG_WATCHDOG)
238 # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
239 SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
241 # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
245 /*-----------------------------------------------------------------------
246 * SUMCR - SIU Module Configuration 11-6
247 *-----------------------------------------------------------------------
248 * PCMCIA config., multi-function pin tri-state
250 #define CFG_SIUMCR (SIUMCR_DBGC11)
252 /*-----------------------------------------------------------------------
253 * TBSCR - Time Base Status and Control 11-26
254 *-----------------------------------------------------------------------
255 * Clear Reference Interrupt Status, Timebase freezing enabled
257 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
259 /*-----------------------------------------------------------------------
260 * RTCSC - Real-Time Clock Status and Control Register 11-27
261 *-----------------------------------------------------------------------
262 * Once-per-Second Interrupt, Alarm Interrupt, RTC freezing enabled, RTC
265 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
267 /*-----------------------------------------------------------------------
268 * PISCR - Periodic Interrupt Status and Control 11-31
269 *-----------------------------------------------------------------------
270 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
272 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
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 !
280 #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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
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 | \
294 /*-----------------------------------------------------------------------
295 * Chip Selects + SDRAM timings + Memory Periodic Timer Prescaler
296 *-----------------------------------------------------------------------
300 # define CFG_DER 0xFFE7400F /* Debug Enable Register */
306 * Init Memory Controller:
307 * ~~~~~~~~~~~~~~~~~~~~~~
309 * BR0 and OR0 (FLASH)
312 #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
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
318 #define CFG_PRELIM_OR_AM 0xFF000000 /* 16 MB between each CSx */
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)
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 )
327 * BR1 and OR1 (SDRAM)
330 #define SDRAM_BASE1_PRELIM CFG_SDRAM_BASE /* SDRAM bank #0 */
331 #define SDRAM_MAX_SIZE 0x02000000 /* 32 MB MAX for CS1 */
334 #define CFG_OR_TIMING_SDRAM 0x00000000
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 )
340 * BR2 and OR2 (NVRAM)
343 #define NVRAM_BASE1_PRELIM CFG_NVRAM_BASE /* NVRAM bank #0 */
344 #define NVRAM_MAX_SIZE 0x00020000 /* 128 KB MAX for CS2 */
346 #define CFG_OR2_PRELIM 0xFFF80160
347 #define CFG_BR2_PRELIM ((NVRAM_BASE1_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
350 * Memory Periodic Timer Prescaler
353 /* periodic timer for refresh */
354 #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
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 */
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 */
365 * MAMR settings for 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)
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)
377 /*-----------------------------------------------------------------------
378 * Internal Definitions
379 *-----------------------------------------------------------------------
386 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
387 #define BOOTFLAG_WARM 0x02 /* Software reboot */
390 #endif /* __CONFIG_H */