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 MPC860 CPU */
37 #define CONFIG_IVML24 1 /* ...on a IVML24 board */
39 #if defined (CONFIG_IVML24_16M)
40 # define CONFIG_IDENT_STRING " IVML24"
41 #elif defined (CONFIG_IVML24_32M)
42 # define CONFIG_IDENT_STRING " IVML24_128"
43 #elif defined (CONFIG_IVML24_64M)
44 # define CONFIG_IDENT_STRING " IVML24_256"
47 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
48 #undef CONFIG_8xx_CONS_SMC2
49 #undef CONFIG_8xx_CONS_NONE
50 #define CONFIG_BAUDRATE 115200
52 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
53 #define CONFIG_8xx_GCLK_FREQ 50331648
55 #define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */
58 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */
60 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
62 #define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */
64 #define CONFIG_BOOTARGS "root=/dev/nfs rw " \
65 "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \
66 "nfsaddrs=10.0.0.99:10.0.0.2"
68 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
69 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
71 #undef CONFIG_WATCHDOG /* watchdog disabled */
73 #define CONFIG_STATUS_LED 1 /* Status LED enabled */
75 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_IDE)
76 #define CONFIG_MAC_PARTITION
77 #define CONFIG_DOS_PARTITION
79 #define CONFIG_BOOTP_MASK \
80 ((CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) & ~CONFIG_BOOTP_GATEWAY)
82 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
83 #include <cmd_confdefs.h>
85 /*----------------------------------------------------------------------*/
88 * Miscellaneous configurable options
90 #define CFG_LONGHELP /* undef to save memory */
91 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
92 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
93 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
95 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
97 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
98 #define CFG_MAXARGS 16 /* max number of command args */
99 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
101 #define CFG_MEMTEST_START 0x00100000 /* memtest works on */
102 #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
104 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
106 #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
108 #define CFG_PB_12V_ENABLE 0x00002000 /* PB 18 */
109 #define CFG_PB_ILOCK_SWITCH 0x00004000 /* PB 17 */
110 #define CFG_PB_SDRAM_CLKE 0x00008000 /* PB 16 */
111 #define CFG_PB_ETH_POWERDOWN 0x00010000 /* PB 15 */
112 #define CFG_PB_IDE_MOTOR 0x00020000 /* PB 14 */
114 #define CFG_PC_ETH_RESET ((ushort)0x0010) /* PC 11 */
115 #define CFG_PC_IDE_RESET ((ushort)0x0020) /* PC 10 */
117 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
119 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
122 * Low Level Configuration Settings
123 * (address mappings, register initial values, etc.)
124 * You should know what you are doing if you make changes here.
126 /*-----------------------------------------------------------------------
127 * Internal Memory Mapped Register
129 #define CFG_IMMR 0xFFF00000 /* was: 0xFF000000 */
131 /*-----------------------------------------------------------------------
132 * Definitions for initial stack pointer and data area (in DPRAM)
134 #define CFG_INIT_RAM_ADDR CFG_IMMR
136 #if defined (CONFIG_IVML24_16M)
137 # define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
138 #elif defined (CONFIG_IVML24_32M)
139 # define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
140 #elif defined (CONFIG_IVML24_64M)
141 # define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */
144 #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
145 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
146 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
148 /*-----------------------------------------------------------------------
149 * Start addresses for the final memory configuration
150 * (Set up by the startup code)
151 * Please note that CFG_SDRAM_BASE _must_ start at 0
153 #define CFG_SDRAM_BASE 0x00000000
154 #define CFG_FLASH_BASE 0xFF000000
156 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
158 #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
160 #define CFG_MONITOR_BASE CFG_FLASH_BASE
161 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
164 * For booting Linux, the board info and command line data
165 * have to be in the first 8 MB of memory, since this is
166 * the maximum mapped by the Linux kernel during initialization.
168 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
169 /*-----------------------------------------------------------------------
172 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
173 #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
175 #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
176 #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
178 #define CFG_ENV_IS_IN_FLASH 1
179 #define CFG_ENV_OFFSET 0x7A000 /* Offset of Environment Sector */
180 #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
181 /*-----------------------------------------------------------------------
182 * Cache Configuration
184 #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
185 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
186 #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
189 /*-----------------------------------------------------------------------
190 * SYPCR - System Protection Control 11-9
191 * SYPCR can only be written once after reset!
192 *-----------------------------------------------------------------------
193 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
195 #if defined(CONFIG_WATCHDOG)
197 # if defined (CONFIG_IVML24_16M)
198 # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
199 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
200 # elif defined (CONFIG_IVML24_32M)
201 # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
202 SYPCR_SWE | SYPCR_SWP)
203 # elif defined (CONFIG_IVML24_64M)
204 # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
205 SYPCR_SWE | SYPCR_SWP)
209 #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
212 /*-----------------------------------------------------------------------
213 * SIUMCR - SIU Module Configuration 11-6
214 *-----------------------------------------------------------------------
215 * PCMCIA config., multi-function pin tri-state
217 /* EARB, DBGC and DBPC are initialised by the HCW */
219 #define CFG_SIUMCR (SIUMCR_BSC | SIUMCR_GB5E)
221 /*-----------------------------------------------------------------------
222 * TBSCR - Time Base Status and Control 11-26
223 *-----------------------------------------------------------------------
224 * Clear Reference Interrupt Status, Timebase freezing enabled
226 #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
228 /*-----------------------------------------------------------------------
229 * PISCR - Periodic Interrupt Status and Control 11-31
230 *-----------------------------------------------------------------------
231 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
233 #define CFG_PISCR (PISCR_PS | PISCR_PITF)
235 /*-----------------------------------------------------------------------
236 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
237 *-----------------------------------------------------------------------
238 * Reset PLL lock status sticky bit, timer expired status bit and timer
239 * interrupt status bit, set PLL multiplication factor !
243 ( (11 << PLPRCR_MF_SHIFT) | \
244 PLPRCR_SPLSS | PLPRCR_TEXPS | /*PLPRCR_TMIST|*/ \
245 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
246 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
249 /*-----------------------------------------------------------------------
250 * SCCR - System Clock and reset Control Register 15-27
251 *-----------------------------------------------------------------------
252 * Set clock output, timebase and RTC source and divider,
253 * power management and some other internal clocks
255 #define SCCR_MASK SCCR_EBDF11
257 #define CFG_SCCR (SCCR_COM01 | /*SCCR_TBS|*/ \
258 SCCR_RTDIV | SCCR_RTSEL | \
259 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
260 SCCR_EBDF00 | SCCR_DFSYNC00 | \
261 SCCR_DFBRG00 | SCCR_DFNL000 | \
262 SCCR_DFNH000 | SCCR_DFLCD101 | \
265 /*-----------------------------------------------------------------------
266 * RTCSC - Real-Time Clock Status and Control Register 11-27
267 *-----------------------------------------------------------------------
270 #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
273 /*-----------------------------------------------------------------------
274 * RCCR - RISC Controller Configuration Register 19-4
275 *-----------------------------------------------------------------------
278 #define CFG_RCCR 0x0200
280 /*-----------------------------------------------------------------------
281 * RMDS - RISC Microcode Development Support Control Register
282 *-----------------------------------------------------------------------
286 /*-----------------------------------------------------------------------
289 *-----------------------------------------------------------------------
291 #define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */
293 /*-----------------------------------------------------------------------
295 *-----------------------------------------------------------------------
298 #define CFG_PCMCIA_MEM_ADDR (0xE0000000)
299 #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
300 #define CFG_PCMCIA_DMA_ADDR (0xE4000000)
301 #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
302 #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
303 #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
304 #define CFG_PCMCIA_IO_ADDR (0xEC000000)
305 #define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
307 /*-----------------------------------------------------------------------
309 *-----------------------------------------------------------------------
311 #define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */
312 #define CONFIG_IDE_RESET 1 /* reset for ide supported */
314 #define CFG_IDE_MAXBUS 1 /* The IVML24 has only 1 IDE bus*/
315 #define CFG_IDE_MAXDEVICE 1 /* ... and only 1 IDE device */
317 #define CFG_ATA_BASE_ADDR 0xFE100000
318 #define CFG_ATA_IDE0_OFFSET 0x0000
319 #undef CFG_ATA_IDE1_OFFSET /* only one IDE bus available */
321 #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
322 #define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */
323 #define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */
325 /*-----------------------------------------------------------------------
327 *-----------------------------------------------------------------------
333 * Init Memory Controller:
335 * BR0 and OR0 (FLASH)
338 #define FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank #0 */
340 /* used to re-map FLASH both when starting from SRAM or FLASH:
341 * restrict access enough to keep SRAM working (if any)
342 * but not too much to meddle with FLASH accesses
344 /* EPROMs are 512kb */
345 #define CFG_REMAP_OR_AM 0xFFF80000 /* OR addr mask */
346 #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */
348 /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
349 #define CFG_OR_TIMING_FLASH (OR_SCY_5_CLK | OR_EHTR)
351 #define CFG_OR0_REMAP ( CFG_REMAP_OR_AM | OR_ACS_DIV4 | OR_BI | \
353 #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | OR_ACS_DIV4 | OR_BI | \
355 /* 16 bit, bank valid */
356 #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
359 * BR1/OR1 - ELIC SACCO bank @ 0xFE000000
361 * AM=0xFFFF8 ATM=0 CSNT/SAM=1 ACS/G5LA/G5LS=3 BIH=1 SCY=2 SETA=0 TRLX=1 EHTR=1
363 #define ELIC_SACCO_BASE 0xFE000000
364 #define ELIC_SACCO_OR_AM 0xFFFF8000
365 #define ELIC_SACCO_TIMING (OR_SCY_2_CLK | OR_TRLX | OR_EHTR)
367 #define CFG_OR1 (ELIC_SACCO_OR_AM | OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
369 #define CFG_BR1 ((ELIC_SACCO_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
372 * BR2/OR2 - ELIC EPIC bank @ 0xFE008000
374 * AM=0xFFFF8 ATM=0 CSNT/SAM=1 ACS/G5LA/G5LS=3 BIH=1 SCY=2 SETA=0 TRLX=1 EHTR=1
376 #define ELIC_EPIC_BASE 0xFE008000
377 #define ELIC_EPIC_OR_AM 0xFFFF8000
378 #define ELIC_EPIC_TIMING (OR_SCY_2_CLK | OR_TRLX | OR_EHTR)
380 #define CFG_OR2 (ELIC_EPIC_OR_AM | OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
382 #define CFG_BR2 ((ELIC_EPIC_BASE & BR_BA_MSK) | BR_PS_8 | BR_V )
387 * Multiplexed addresses, GPL5 output to GPL5_A (don't care)
389 #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */
390 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
391 #define SDRAM_TIMING OR_SCY_0_CLK /* SDRAM-Timing */
393 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
395 #define CFG_OR3_PRELIM (SDRAM_PRELIM_OR_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING )
396 #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V )
399 * BR4/OR4 - HDLC Address
401 * AM=0xFFFF8 ATM=0 CSNT/SAM=0 ACS/G5LA/G5LS=0 BIH=1 SCY=1 SETA=0 TRLX=0 EHTR=0
403 #define HDLC_ADDR_BASE 0xFE108000 /* HDLC Address area */
404 #define HDLC_ADDR_OR_AM 0xFFFF8000
405 #define HDLC_ADDR_TIMING OR_SCY_1_CLK
407 #define CFG_OR4 (HDLC_ADDR_OR_AM | OR_BI | HDLC_ADDR_TIMING)
408 #define CFG_BR4 ((HDLC_ADDR_BASE & BR_BA_MSK) | BR_PS_8 | BR_WP | BR_V )
411 * BR5/OR5: SHARC ADSP-2165L
413 * AM=0xFFC00 ATM=0 CSNT/SAM=0 ACS/G5LA/G5LS=3 BIH=1 SCY=0 SETA=0 TRLX=0 EHTR=0
415 #define SHARC_BASE 0xFE400000
416 #define SHARC_OR_AM 0xFFC00000
417 #define SHARC_TIMING OR_SCY_0_CLK
419 #define CFG_OR5 (SHARC_OR_AM | OR_ACS_DIV2 | OR_BI | SHARC_TIMING )
420 #define CFG_BR5 ((SHARC_BASE & BR_BA_MSK) | BR_PS_32 | BR_MS_UPMA | BR_V )
423 * Memory Periodic Timer Prescaler
426 /* periodic timer for refresh */
427 #define CFG_MBMR_PTB 204
429 /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
430 #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
431 #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
433 /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
434 #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
436 #if defined (CONFIG_IVML24_16M)
437 # define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
438 #elif defined (CONFIG_IVML24_32M)
439 # define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
440 #elif defined (CONFIG_IVML24_64M)
441 # define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV8 /* setting for 1 bank */
446 * MBMR settings for SDRAM
449 #if defined (CONFIG_IVML24_16M)
451 # define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
452 MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \
453 MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
454 #elif defined (CONFIG_IVML24_32M)
456 # define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
457 MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \
458 MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
459 #elif defined (CONFIG_IVML24_64M)
461 # define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \
462 MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \
463 MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
467 * Internal Definitions
471 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
472 #define BOOTFLAG_WARM 0x02 /* Software reboot */
474 #endif /* __CONFIG_H */