3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_MPC860 1 /* This is a MPC860T CPU */
37 #define CONFIG_HERMES 1 /* ...on a HERMES-PRO board */
39 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
40 #undef CONFIG_8xx_CONS_SMC2
41 #undef CONFIG_8xx_CONS_NONE
42 #define CONFIG_BAUDRATE 9600
44 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
46 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
49 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
51 #define CONFIG_BOARD_TYPES 1 /* support board types */
53 #define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
55 #undef CONFIG_BOOTARGS
56 #define CONFIG_BOOTCOMMAND \
58 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
59 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
62 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
63 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
65 #undef CONFIG_WATCHDOG /* watchdog disabled */
67 #define CONFIG_COMMANDS CONFIG_CMD_DFL
69 #define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT
71 /*----------------------------------------------------------------------*/
73 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
74 #include <cmd_confdefs.h>
76 /*----------------------------------------------------------------------*/
79 * Miscellaneous configurable options
81 #define CFG_LONGHELP /* undef to save memory */
82 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
83 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
84 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
86 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
88 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
89 #define CFG_MAXARGS 16 /* max number of command args */
90 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
92 #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
93 #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
95 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
97 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
99 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
101 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
103 #define CFG_ALLOC_DPRAM 1 /* use allocation routines */
105 * Low Level Configuration Settings
106 * (address mappings, register initial values, etc.)
107 * You should know what you are doing if you make changes here.
109 /*-----------------------------------------------------------------------
110 * Internal Memory Mapped Register
112 #define CFG_IMMR 0xFF000000 /* Non-Standard value! */
114 /*-----------------------------------------------------------------------
115 * Definitions for initial stack pointer and data area (in DPRAM)
117 #define CFG_INIT_RAM_ADDR CFG_IMMR
118 #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
119 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
120 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
121 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
123 /*-----------------------------------------------------------------------
124 * Start addresses for the final memory configuration
125 * (Set up by the startup code)
126 * Please note that CFG_SDRAM_BASE _must_ start at 0
128 #define CFG_SDRAM_BASE 0x00000000
129 #define CFG_FLASH_BASE 0xFE000000
131 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
133 #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
135 #define CFG_MONITOR_BASE CFG_FLASH_BASE
136 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
139 * For booting Linux, the board info and command line data
140 * have to be in the first 8 MB of memory, since this is
141 * the maximum mapped by the Linux kernel during initialization.
143 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
144 /*-----------------------------------------------------------------------
147 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
148 #define CFG_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
150 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
151 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
153 #define CFG_ENV_IS_IN_FLASH 1
154 #define CFG_ENV_OFFSET 0x4000 /* Offset of Environment Sector */
155 #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
156 /*-----------------------------------------------------------------------
157 * Cache Configuration
159 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
160 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
161 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
164 /*-----------------------------------------------------------------------
165 * SYPCR - System Protection Control 11-9
166 * SYPCR can only be written once after reset!
167 *-----------------------------------------------------------------------
168 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
171 #if defined(CONFIG_WATCHDOG)
172 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
173 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
175 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
178 /*-----------------------------------------------------------------------
179 * SIUMCR - SIU Module Configuration 11-6
180 *-----------------------------------------------------------------------
181 * +0x0000 => 0x000000C0
185 /*-----------------------------------------------------------------------
186 * TBSCR - Time Base Status and Control 11-26
187 *-----------------------------------------------------------------------
188 * Clear Reference Interrupt Status, Timebase freezing enabled
191 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
193 /*-----------------------------------------------------------------------
194 * PISCR - Periodic Interrupt Status and Control 11-31
195 *-----------------------------------------------------------------------
196 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
199 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
201 /*-----------------------------------------------------------------------
202 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
203 *-----------------------------------------------------------------------
204 * Reset PLL lock status sticky bit, timer expired status bit and timer
205 * interrupt status bit, set PLL multiplication factor !
207 /* +0x0286 => 0x00B0D0C0 */
209 ( (11 << PLPRCR_MF_SHIFT) | \
210 PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
211 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
212 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
215 /*-----------------------------------------------------------------------
216 * SCCR - System Clock and reset Control Register 15-27
217 *-----------------------------------------------------------------------
218 * Set clock output, timebase and RTC source and divider,
219 * power management and some other internal clocks
221 #define SCCR_MASK SCCR_EBDF11
222 /* +0x0282 => 0x03800000 */
223 #define CFG_SCCR (SCCR_COM00 | SCCR_TBS | \
224 SCCR_RTDIV | SCCR_RTSEL | \
225 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
226 SCCR_EBDF00 | SCCR_DFSYNC00 | \
227 SCCR_DFBRG00 | SCCR_DFNL000 | \
230 /*-----------------------------------------------------------------------
231 * RTCSC - Real-Time Clock Status and Control Register 11-27
232 *-----------------------------------------------------------------------
234 /* +0x0220 => 0x00C3 */
235 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
238 /*-----------------------------------------------------------------------
239 * RCCR - RISC Controller Configuration Register 19-4
240 *-----------------------------------------------------------------------
242 /* +0x09C4 => TIMEP=1 */
243 #define CFG_RCCR 0x0100
245 /*-----------------------------------------------------------------------
246 * RMDS - RISC Microcode Development Support Control Register
247 *-----------------------------------------------------------------------
251 /*-----------------------------------------------------------------------
253 *-----------------------------------------------------------------------
256 /*#define CFG_DER 0x2002000F*/
260 * Init Memory Controller:
262 * BR0 and OR0 (FLASH)
265 #define FLASH_BASE0_PRELIM 0xFE000000 /* FLASH bank #0 */
267 /* used to re-map FLASH
268 * restrict access enough to keep SRAM working (if any)
269 * but not too much to meddle with FLASH accesses
271 /* allow for max 4 MB of Flash */
272 #define CFG_REMAP_OR_AM 0xFFC00000 /* OR addr mask */
273 #define CFG_PRELIM_OR_AM 0xFFC00000 /* OR addr mask */
275 /* FLASH timing: ACS = 11, TRLX = 1, CSNT = 1, SCY = 5, EHTR = 0 */
276 #define CFG_OR_TIMING_FLASH ( OR_CSNT_SAM | /*OR_ACS_DIV4 |*/ OR_BI | \
277 OR_SCY_5_CLK | OR_TRLX)
279 #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
280 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
281 /* 8 bit, bank valid */
282 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_8 | BR_V )
287 * Multiplexed addresses, GPL5 output to GPL5_A (don't care)
289 #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM bank */
290 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
291 #define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
293 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
295 #define CFG_OR1_PRELIM (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
296 #define CFG_BR1_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
299 * BR2/OR2 - HPRO2: PEB2256 @ 0xE0000000, 8 Bit wide
301 #define HPRO2_BASE 0xE0000000
302 #define HPRO2_OR_AM 0xFFFF8000
303 #define HPRO2_TIMING 0x00000934
305 #define CFG_OR2 (HPRO2_OR_AM | HPRO2_TIMING)
306 #define CFG_BR2 ((HPRO2_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
317 * MAMR settings for SDRAM
320 /* periodic timer for refresh */
321 #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */
324 #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
325 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
326 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
328 #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
329 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
330 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
333 * Internal Definitions
337 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
338 #define BOOTFLAG_WARM 0x02 /* Software reboot */
340 #endif /* __CONFIG_H */