3 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
10 * Advent Networks, Inc. <http://www.adventnetworks.com>
11 * Jay Monkman <jmonkman@adventnetworks.com>
14 * Advent Networks, Inc. <http://www.adventnetworks.com>
15 * Oliver Brown <obrown@adventnetworks.com>
17 * See file CREDITS for list of people who contributed to this
20 * This program is free software; you can redistribute it and/or
21 * modify it under the terms of the GNU General Public License as
22 * published by the Free Software Foundation; either version 2 of
23 * the License, or (at your option) any later version.
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
36 /*********************************************************************/
38 * This file contains the board configuartion for the GW8260 board.
43 * RESTRICTIONS/LIMITATIONS:
46 * Copyright (c) 2001, Advent Networks, Inc.
48 /*********************************************************************/
53 /* Enable debug prints */
54 #undef DEBUG_BOOTP_EXT /* Debug received vendor fields */
56 /* What is the oscillator's (UX2) frequency in Hz? */
57 #define CONFIG_8260_CLKIN (66 * 1000 * 1000)
59 /*-----------------------------------------------------------------------
60 * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
61 *-----------------------------------------------------------------------
62 * What should MODCK_H be? It is dependent on the oscillator
63 * frequency, MODCK[1-3], and desired CPM and core frequencies.
64 * Here are some example values (all frequencies are in MHz):
66 * MODCK_H MODCK[1-3] Osc CPM Core S2-6 S2-7 S2-8
67 * ------- ---------- --- --- ---- ----- ----- -----
68 * 0x5 0x5 66 133 133 Open Close Open
69 * 0x5 0x6 66 133 166 Open Open Close
70 * 0x5 0x7 66 133 200 Open Open Open
71 * 0x6 0x0 66 133 233 Close Close Close
72 * 0x6 0x1 66 133 266 Close Close Open
73 * 0x6 0x2 66 133 300 Close Open Close
75 #define CONFIG_SYS_SBC_MODCK_H 0x05
77 /* Define this if you want to boot from 0x00000100. If you don't define
78 * this, you will need to program the bootloader to 0xfff00000, and
79 * get the hardware reset config words at 0xfe000000. The simplest
80 * way to do that is to program the bootloader at both addresses.
81 * It is suggested that you just let U-Boot live at 0x00000000.
83 #define CONFIG_SYS_SBC_BOOT_LOW 1
85 /* What should the base address of the main FLASH be and how big is
86 * it (in MBytes)? This must contain TEXT_BASE from board/sbc8260/config.mk
87 * The main FLASH is whichever is connected to *CS0. U-Boot expects
88 * this to be the SIMM.
90 #define CONFIG_SYS_FLASH0_BASE 0x40000000
91 #define CONFIG_SYS_FLASH0_SIZE 8
93 /* Define CONFIG_SYS_FLASH_CHECKSUM to enable flash checksum during boot.
94 * Note: the 'flashchecksum' environment variable must also be set to 'y'.
96 #define CONFIG_SYS_FLASH_CHECKSUM
98 /* What should be the base address of SDRAM DIMM and how big is
101 #define CONFIG_SYS_SDRAM0_BASE 0x00000000
102 #define CONFIG_SYS_SDRAM0_SIZE 64
106 * CONFIG_SYS_DRAM_TEST - enables the following tests.
108 * CONFIG_SYS_DRAM_TEST_DATA - Enables test for shorted or open data lines
109 * Environment variable 'test_dram_data' must be
111 * CONFIG_SYS_DRAM_TEST_DATA - Enables test to verify that each word is uniquely
112 * addressable. Environment variable
113 * 'test_dram_address' must be set to 'y'.
114 * CONFIG_SYS_DRAM_TEST_WALK - Enables test a 64-bit walking ones pattern test.
115 * This test takes about 6 minutes to test 64 MB.
116 * Environment variable 'test_dram_walk' must be
119 #define CONFIG_SYS_DRAM_TEST
120 #if defined(CONFIG_SYS_DRAM_TEST)
121 #define CONFIG_SYS_DRAM_TEST_DATA
122 #define CONFIG_SYS_DRAM_TEST_ADDRESS
123 #define CONFIG_SYS_DRAM_TEST_WALK
124 #endif /* CONFIG_SYS_DRAM_TEST */
127 * GW8260 with 16 MB DIMM:
129 * 0x0000 0000 Exception Vector code, 8k
132 * 0x0000 2000 Free for Application Use
138 * 0x00F5 FF30 Monitor Stack (Growing downward)
139 * Monitor Stack Buffer (0x80)
140 * 0x00F5 FFB0 Board Info Data
141 * 0x00F6 0000 Malloc Arena
142 * : CONFIG_ENV_SECT_SIZE, 256k
143 * : CONFIG_SYS_MALLOC_LEN, 128k
144 * 0x00FC 0000 RAM Copy of Monitor Code
145 * : CONFIG_SYS_MONITOR_LEN, 256k
146 * 0x00FF FFFF [End of RAM], CONFIG_SYS_SDRAM_SIZE - 1
150 * GW8260 with 64 MB DIMM:
152 * 0x0000 0000 Exception Vector code, 8k
155 * 0x0000 2000 Free for Application Use
161 * 0x03F5 FF30 Monitor Stack (Growing downward)
162 * Monitor Stack Buffer (0x80)
163 * 0x03F5 FFB0 Board Info Data
164 * 0x03F6 0000 Malloc Arena
165 * : CONFIG_ENV_SECT_SIZE, 256k
166 * : CONFIG_SYS_MALLOC_LEN, 128k
167 * 0x03FC 0000 RAM Copy of Monitor Code
168 * : CONFIG_SYS_MONITOR_LEN, 256k
169 * 0x03FF FFFF [End of RAM], CONFIG_SYS_SDRAM_SIZE - 1
174 * select serial console configuration
176 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
177 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
180 * if CONFIG_CONS_NONE is defined, then the serial console routines must
183 #define CONFIG_CONS_ON_SMC 1 /* define if console on SMC */
184 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
185 #undef CONFIG_CONS_NONE /* define if console on neither */
186 #define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */
189 * select ethernet configuration
191 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
192 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
195 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
196 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
199 #undef CONFIG_ETHER_ON_SCC
200 #define CONFIG_ETHER_ON_FCC
201 #undef CONFIG_ETHER_NONE /* define if ethernet on neither */
203 #ifdef CONFIG_ETHER_ON_SCC
204 #define CONFIG_ETHER_INDEX 1 /* which SCC/FCC channel for ethernet */
205 #endif /* CONFIG_ETHER_ON_SCC */
207 #ifdef CONFIG_ETHER_ON_FCC
208 #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
209 #define CONFIG_MII /* MII PHY management */
210 #define CONFIG_BITBANGMII /* bit-bang MII PHY management */
212 * Port pins used for bit-banged MII communictions (if applicable).
214 #define MDIO_PORT 2 /* Port C */
216 #define MDIO_DECLARE volatile ioport_t *iop = ioport_addr ( \
217 (immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
218 #define MDC_DECLARE MDIO_DECLARE
220 #define MDIO_ACTIVE (iop->pdir |= 0x00400000)
221 #define MDIO_TRISTATE (iop->pdir &= ~0x00400000)
222 #define MDIO_READ ((iop->pdat & 0x00400000) != 0)
224 #define MDIO(bit) if(bit) iop->pdat |= 0x00400000; \
225 else iop->pdat &= ~0x00400000
227 #define MDC(bit) if(bit) iop->pdat |= 0x00200000; \
228 else iop->pdat &= ~0x00200000
230 #define MIIDELAY udelay(1)
231 #endif /* CONFIG_ETHER_ON_FCC */
233 #if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
238 * - Select bus for bd/buffers (see 28-13)
239 * - Enable Full Duplex in FSMR
241 # define CONFIG_SYS_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
242 # define CONFIG_SYS_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
243 # define CONFIG_SYS_CPMFCR_RAMTYPE 0
244 # define CONFIG_SYS_FCC_PSMR (FCC_PSMR_FDE | FCC_PSMR_LPB)
246 #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 3)
251 * - Select bus for bd/buffers (see 28-13)
252 * - Enable Full Duplex in FSMR
254 # define CONFIG_SYS_CMXFCR_MASK (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
255 # define CONFIG_SYS_CMXFCR_VALUE (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
256 # define CONFIG_SYS_CPMFCR_RAMTYPE 0
257 # define CONFIG_SYS_FCC_PSMR (FCC_PSMR_FDE | FCC_PSMR_LPB)
259 #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
261 /* Define this to reserve an entire FLASH sector (256 KB) for
262 * environment variables. Otherwise, the environment will be
263 * put in the same sector as U-Boot, and changing variables
264 * will erase U-Boot temporarily
266 #define CONFIG_ENV_IN_OWN_SECT
268 /* Define to allow the user to overwrite serial and ethaddr */
269 #define CONFIG_ENV_OVERWRITE
271 /* What should the console's baud rate be? */
272 #define CONFIG_BAUDRATE 115200
274 /* Ethernet MAC address - This is set to all zeros to force an
275 * an error if we use BOOTP without setting
278 #define CONFIG_ETHADDR 00:00:00:00:00:00
280 /* Set to a positive value to delay for running BOOTCOMMAND */
281 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
283 /* Be selective on what keys can delay or stop the autoboot process
286 #define CONFIG_AUTOBOOT_KEYED
287 #define CONFIG_AUTOBOOT_PROMPT \
288 "Autobooting in %d seconds, press \" \" to stop\n", bootdelay
289 #define CONFIG_AUTOBOOT_STOP_STR " "
290 #undef CONFIG_AUTOBOOT_DELAY_STR
291 #define DEBUG_BOOTKEYS 0
296 #define CONFIG_BOOTP_SUBNETMASK
297 #define CONFIG_BOOTP_GATEWAY
298 #define CONFIG_BOOTP_HOSTNAME
299 #define CONFIG_BOOTP_BOOTPATH
301 #define CONFIG_BOOTP_BOOTFILESIZE
302 #define CONFIG_BOOTP_DNS
304 /* undef this to save memory */
305 #define CONFIG_SYS_LONGHELP
307 /* Monitor Command Prompt */
308 #define CONFIG_SYS_PROMPT "=> "
312 * Command line configuration.
314 #include <config_cmd_default.h>
316 #define CONFIG_CMD_BEDBUG
317 #define CONFIG_CMD_ELF
318 #define CONFIG_CMD_ASKENV
319 #define CONFIG_CMD_REGINFO
320 #define CONFIG_CMD_IMMAP
321 #define CONFIG_CMD_MII
323 #undef CONFIG_CMD_KGDB
326 /* Where do the internal registers live? */
327 #define CONFIG_SYS_IMMR 0xf0000000
329 /* Use the HUSH parser */
330 #define CONFIG_SYS_HUSH_PARSER
331 #ifdef CONFIG_SYS_HUSH_PARSER
332 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
335 /* What is the address of IO controller */
336 #define CONFIG_SYS_IO_BASE 0xe0000000
338 /*****************************************************************************
340 * You should not have to modify any of the following settings
342 *****************************************************************************/
344 #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
345 #define CONFIG_GW8260 1 /* on an GW8260 Board */
346 #define CONFIG_CPM2 1 /* Has a CPM2 */
349 * Miscellaneous configurable options
351 #if defined(CONFIG_CMD_KGDB)
352 # define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
354 # define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
357 /* Print Buffer Size */
358 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT)+16)
360 #define CONFIG_SYS_MAXARGS 8 /* max number of command args */
362 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
364 /* Convert clocks to MHZ when passing board info to kernel.
365 * This must be defined for eariler 2.4 kernels (~2.4.4).
367 #define CONFIG_CLOCKS_IN_MHZ
369 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
370 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
373 /* memtest works from the end of the exception vector table
374 * to the end of the DRAM less monitor and malloc area
376 #define CONFIG_SYS_MEMTEST_START 0x2000
378 #define CONFIG_SYS_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
380 #define CONFIG_SYS_MEM_END_USAGE ( CONFIG_SYS_MONITOR_LEN \
381 + CONFIG_SYS_MALLOC_LEN \
382 + CONFIG_ENV_SECT_SIZE \
383 + CONFIG_SYS_STACK_USAGE )
385 #define CONFIG_SYS_MEMTEST_END ( CONFIG_SYS_SDRAM_SIZE * 1024 * 1024 \
386 - CONFIG_SYS_MEM_END_USAGE )
388 /* valid baudrates */
389 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
392 * Low Level Configuration Settings
393 * (address mappings, register initial values, etc.)
394 * You should know what you are doing if you make changes here.
397 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_FLASH0_BASE
398 #define CONFIG_SYS_FLASH_SIZE CONFIG_SYS_FLASH0_SIZE
399 #define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_SDRAM0_BASE
400 #define CONFIG_SYS_SDRAM_SIZE CONFIG_SYS_SDRAM0_SIZE
402 /*-----------------------------------------------------------------------
403 * Hard Reset Configuration Words
405 #if defined(CONFIG_SYS_SBC_BOOT_LOW)
406 # define CONFIG_SYS_SBC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS)
408 # define CONFIG_SYS_SBC_HRCW_BOOT_FLAGS (0)
409 #endif /* defined(CONFIG_SYS_SBC_BOOT_LOW) */
411 /* get the HRCW ISB field from CONFIG_SYS_IMMR */
412 #define CONFIG_SYS_SBC_HRCW_IMMR ( ((CONFIG_SYS_IMMR & 0x10000000) >> 10) | \
413 ((CONFIG_SYS_IMMR & 0x01000000) >> 7) | \
414 ((CONFIG_SYS_IMMR & 0x00100000) >> 4) )
416 #define CONFIG_SYS_HRCW_MASTER ( HRCW_BPS11 | \
418 CONFIG_SYS_SBC_HRCW_IMMR | \
423 (CONFIG_SYS_SBC_MODCK_H & HRCW_MODCK_H1111) | \
424 CONFIG_SYS_SBC_HRCW_BOOT_FLAGS )
427 #define CONFIG_SYS_HRCW_SLAVE1 0
428 #define CONFIG_SYS_HRCW_SLAVE2 0
429 #define CONFIG_SYS_HRCW_SLAVE3 0
430 #define CONFIG_SYS_HRCW_SLAVE4 0
431 #define CONFIG_SYS_HRCW_SLAVE5 0
432 #define CONFIG_SYS_HRCW_SLAVE6 0
433 #define CONFIG_SYS_HRCW_SLAVE7 0
435 /*-----------------------------------------------------------------------
436 * Definitions for initial stack pointer and data area (in DPRAM)
438 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
439 #define CONFIG_SYS_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
440 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for initial data */
441 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
442 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
444 /*-----------------------------------------------------------------------
445 * Start addresses for the final memory configuration
446 * (Set up by the startup code)
447 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
448 * Note also that the logic that sets CONFIG_SYS_RAMBOOT is platform dependent.
450 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH0_BASE
452 #define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
453 #define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
456 * For booting Linux, the board info and command line data
457 * have to be in the first 8 MB of memory, since this is
458 * the maximum mapped by the Linux kernel during initialization.
460 #define CONFIG_SYS_BOOTMAPSZ (8 * 1024 * 1024) /* Initial Memory map for Linux */
462 /*-----------------------------------------------------------------------
463 * FLASH and environment organization
465 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
466 #define CONFIG_SYS_MAX_FLASH_SECT 32 /* max number of sectors on one chip */
468 #define CONFIG_SYS_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */
469 #define CONFIG_SYS_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
471 #define CONFIG_ENV_IS_IN_FLASH 1
473 #ifdef CONFIG_ENV_IN_OWN_SECT
474 # define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + (256 * 1024))
475 # define CONFIG_ENV_SECT_SIZE (256 * 1024)
477 # define CONFIG_ENV_SIZE (16 * 1024)/* Size of Environment Sector */
478 # define CONFIG_ENV_ADD ((CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) - CONFIG_ENV_SIZE)
479 # define CONFIG_ENV_SECT_SIZE (256 * 1024)/* see README - env sect real size */
480 #endif /* CONFIG_ENV_IN_OWN_SECT */
482 /*-----------------------------------------------------------------------
483 * Cache Configuration
485 #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */
487 #if defined(CONFIG_CMD_KGDB)
488 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
491 /*-----------------------------------------------------------------------
492 * HIDx - Hardware Implementation-dependent Registers 2-11
493 *-----------------------------------------------------------------------
494 * HID0 also contains cache control - initially enable both caches and
495 * invalidate contents, then the final state leaves only the instruction
496 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
497 * but Soft reset does not.
499 * HID1 has only read-only information - nothing to set.
501 #define CONFIG_SYS_HID0_INIT (HID0_ICE |\
508 #define CONFIG_SYS_HID0_FINAL (HID0_ICE |\
512 #define CONFIG_SYS_HID2 0
514 /*-----------------------------------------------------------------------
515 * RMR - Reset Mode Register
516 *-----------------------------------------------------------------------
518 #define CONFIG_SYS_RMR 0
520 /*-----------------------------------------------------------------------
521 * BCR - Bus Configuration 4-25
522 *-----------------------------------------------------------------------
524 #define CONFIG_SYS_BCR (BCR_ETM)
526 /*-----------------------------------------------------------------------
527 * SIUMCR - SIU Module Configuration 4-31
528 *-----------------------------------------------------------------------
530 #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC11 |\
536 /*-----------------------------------------------------------------------
537 * SYPCR - System Protection Control 11-9
538 * SYPCR can only be written once after reset!
539 *-----------------------------------------------------------------------
540 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
542 #define CONFIG_SYS_SYPCR (SYPCR_SWTC |\
549 /*-----------------------------------------------------------------------
550 * TMCNTSC - Time Counter Status and Control 4-40
551 *-----------------------------------------------------------------------
552 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
553 * and enable Time Counter
555 #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC |\
560 /*-----------------------------------------------------------------------
561 * PISCR - Periodic Interrupt Status and Control 4-42
562 *-----------------------------------------------------------------------
563 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
566 #define CONFIG_SYS_PISCR (PISCR_PS |\
570 /*-----------------------------------------------------------------------
571 * SCCR - System Clock Control 9-8
572 *-----------------------------------------------------------------------
574 #define CONFIG_SYS_SCCR 0
576 /*-----------------------------------------------------------------------
577 * RCCR - RISC Controller Configuration 13-7
578 *-----------------------------------------------------------------------
580 #define CONFIG_SYS_RCCR 0
583 * Initialize Memory Controller:
585 * Bank Bus Machine PortSz Device
586 * ---- --- ------- ------ ------
587 * 0 60x GPCM 32 bit FLASH (SIMM - 4MB)
588 * 1 60x GPCM 32 bit unused
589 * 2 60x SDRAM 64 bit SDRAM (DIMM - 16MB or 64MB)
590 * 3 60x SDRAM 64 bit unused
591 * 4 Local GPCM 8 bit IO (on board - 64k)
592 * 5 60x GPCM 8 bit unused
593 * 6 60x GPCM 8 bit unused
594 * 7 60x GPCM 8 bit unused
598 /*-----------------------------------------------------------------------
599 * BR0 - Base Register
600 * Ref: Section 10.3.1 on page 10-14
601 * OR0 - Option Register
602 * Ref: Section 10.3.2 on page 10-18
603 *-----------------------------------------------------------------------
606 /* Bank 0,1 - FLASH SIMM
608 * This expects the FLASH SIMM to be connected to *CS0
609 * It consists of 4 AM29F016D parts.
611 * Note: For the 8 MB SIMM, *CS1 is unused.
614 /* BR0 is configured as follows:
616 * - Base address of 0x40000000
618 * - Data errors checking is disabled
619 * - Read and write access
621 * - Access are handled by the memory controller according to MSEL
622 * - Not used for atomic operations
623 * - No data pipelining is done
626 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_FLASH0_BASE & BRx_BA_MSK) |\
631 /* OR0 is configured as follows:
634 * - *BCTL0 is asserted upon access to the current memory bank
635 * - *CW / *WE are negated a quarter of a clock earlier
636 * - *CS is output at the same time as the address lines
637 * - Uses a clock cycle length of 5
638 * - *PSDVAL is generated internally by the memory controller
639 * unless *GTA is asserted earlier externally.
640 * - Relaxed timing is generated by the GPCM for accesses
641 * initiated to this memory region.
642 * - One idle clock is inserted between a read access from the
643 * current bank and the next access.
645 #define CONFIG_SYS_OR0_PRELIM (MEG_TO_AM(CONFIG_SYS_FLASH0_SIZE) |\
652 /*-----------------------------------------------------------------------
653 * BR2 - Base Register
654 * Ref: Section 10.3.1 on page 10-14
655 * OR2 - Option Register
656 * Ref: Section 10.3.2 on page 10-16
657 *-----------------------------------------------------------------------
660 /* Bank 2 - SDRAM DIMM
663 * 64MB DIMM: P/N 1W-8864X8-4-P1-EST or
664 * MT4LSDT864AG-10EB1 (Micron)
666 * Note: *CS3 is unused for this DIMM
669 /* With a 16 MB or 64 MB DIMM, the BR2 is configured as follows:
671 * - Base address of 0x00000000
672 * - 64 bit port size (60x bus only)
673 * - Data errors checking is disabled
674 * - Read and write access
676 * - Access are handled by the memory controller according to MSEL
677 * - Not used for atomic operations
678 * - No data pipelining is done
681 #define CONFIG_SYS_BR2_PRELIM ((CONFIG_SYS_SDRAM0_BASE & BRx_BA_MSK) |\
686 /* With a 16 MB DIMM, the OR2 is configured as follows:
689 * - 2 internal banks per device
690 * - Row start address bit is A9 with PSDMR[PBI] = 0
691 * - 11 row address lines
692 * - Back-to-back page mode
693 * - Internal bank interleaving within save device enabled
695 #if (CONFIG_SYS_SDRAM0_SIZE == 16)
696 #define CONFIG_SYS_OR2_PRELIM (MEG_TO_AM(CONFIG_SYS_SDRAM0_SIZE) |\
698 ORxS_ROWST_PBI0_A9 |\
701 /* With a 16 MB DIMM, the PSDMR is configured as follows:
703 * - Page Based Interleaving,
705 * - Address Multiplexing where A5 is output on A14 pin
706 * (A6 on A15, and so on),
707 * - use address pins A16-A18 as bank select,
708 * - A9 is output on SDA10 during an ACTIVATE command,
709 * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
710 * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
712 * - earliest timing for READ/WRITE command after ACTIVATE command is
714 * - earliest timing for PRECHARGE after last data was read is 1 clock,
715 * - earliest timing for PRECHARGE after last data was written is 1 clock,
716 * - CAS Latency is 2.
719 /*-----------------------------------------------------------------------
720 * PSDMR - 60x Bus SDRAM Mode Register
721 * Ref: Section 10.3.3 on page 10-21
722 *-----------------------------------------------------------------------
724 #define CONFIG_SYS_PSDMR (PSDMR_RFEN |\
725 PSDMR_SDAM_A14_IS_A5 |\
726 PSDMR_BSMA_A16_A18 |\
727 PSDMR_SDA10_PBI0_A9 |\
734 #endif /* (CONFIG_SYS_SDRAM0_SIZE == 16) */
736 /* With a 64 MB DIMM, the OR2 is configured as follows:
739 * - 4 internal banks per device
740 * - Row start address bit is A8 with PSDMR[PBI] = 0
741 * - 12 row address lines
742 * - Back-to-back page mode
743 * - Internal bank interleaving within save device enabled
745 #if (CONFIG_SYS_SDRAM0_SIZE == 64)
746 #define CONFIG_SYS_OR2_PRELIM (MEG_TO_AM(CONFIG_SYS_SDRAM0_SIZE) |\
748 ORxS_ROWST_PBI0_A8 |\
751 /* With a 64 MB DIMM, the PSDMR is configured as follows:
753 * - Page Based Interleaving,
755 * - Address Multiplexing where A5 is output on A14 pin
756 * (A6 on A15, and so on),
757 * - use address pins A14-A16 as bank select,
758 * - A9 is output on SDA10 during an ACTIVATE command,
759 * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
760 * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
762 * - earliest timing for READ/WRITE command after ACTIVATE command is
764 * - earliest timing for PRECHARGE after last data was read is 1 clock,
765 * - earliest timing for PRECHARGE after last data was written is 1 clock,
766 * - CAS Latency is 2.
769 /*-----------------------------------------------------------------------
770 * PSDMR - 60x Bus SDRAM Mode Register
771 * Ref: Section 10.3.3 on page 10-21
772 *-----------------------------------------------------------------------
774 #define CONFIG_SYS_PSDMR (PSDMR_RFEN |\
775 PSDMR_SDAM_A14_IS_A5 |\
776 PSDMR_BSMA_A14_A16 |\
777 PSDMR_SDA10_PBI0_A9 |\
784 #endif /* (CONFIG_SYS_SDRAM0_SIZE == 64) */
786 #define CONFIG_SYS_PSRT 0x0e
787 #define CONFIG_SYS_MPTPR MPTPR_PTP_DIV32
790 /*-----------------------------------------------------------------------
791 * BR4 - Base Register
792 * Ref: Section 10.3.1 on page 10-14
793 * OR4 - Option Register
794 * Ref: Section 10.3.2 on page 10-18
795 *-----------------------------------------------------------------------
797 /* Bank 4 - Onboard Memory Mapped IO controller
799 * This expects the onboard IO controller to connected to *CS4 and
801 * - Base address of 0xe0000000
802 * - 8 bit port size (local bus only)
803 * - Read and write access
805 * - Not used for atomic operations
806 * - No data pipelining is done
808 * - extended hold time
812 #ifdef CONFIG_SYS_IO_BASE
813 # define CONFIG_SYS_BR4_PRELIM ((CONFIG_SYS_IO_BASE & BRx_BA_MSK) |\
818 # define CONFIG_SYS_OR4_PRELIM (ORxG_AM_MSK |\
821 #endif /* CONFIG_SYS_IO_BASE */
824 * Internal Definitions
828 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
829 #define BOOTFLAG_WARM 0x02 /* Software reboot */
831 #endif /* __CONFIG_H */