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Heiko Schocher3c58a992007-01-11 15:44:44 +01001/*
2 * (C) Copyright 2007
3 * Heiko Schocher, DENX Software Engineering, <hs@denx.de>.
4 *
5 * From:
6 * (C) Copyright 2003
7 * Juergen Beisert, EuroDesign embedded technologies, jbeisert@eurodsn.de
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28#ifndef __CONFIG_H
29#define __CONFIG_H
30
31#undef USE_VGA_GRAPHICS
32
33/* Memory Map
Wolfgang Denk4f640012007-01-16 18:30:50 +010034 * 0x00000000 .... 0x03FFFFFF -> RAM (up to 128MiB)
35 * 0x74000000 .... 0x740FFFFF -> CS#6
36 * 0x74100000 .... 0x741FFFFF -> CS#7
37 * 0x74200000 .... 0x742FFFFF -> CS4# if no internal USB
38 * 0x74300000 .... 0x743FFFFF -> CS5# if no boosted IDE
39 * 0x77C00000 .... 0x77CFFFFF -> CS4# USB HC (1 MiB)
40 * 0x77D00000 .... 0x77DFFFFF -> CS1# NAND-Flash (1 MiB)
41 * 0x78000000 .... 0x78FFFFFF -> CS2# ISA-Bus Speicherzugriff (16 MiB)
42 * 0x79000000 .... 0x7900FFFF -> CS2# ISA-Bus IO-Zugriff (16 MiB, mapped: 64kiB)
43 * 0x79010000 .... 0x79FFFFFF -> CS2# ISA-Bus IO-Zugriff (mirrored)
44 * 0x7A000000 .... 0x7A0FFFFF -> CS5# IDE emulation (1MiB)
45 *
46 * 0x80000000 .... 0x9FFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 1:1)
47 * 0xA0000000 .... 0xBFFFFFFF -> PCI-Bus Speicherzugriff (512MiB, mapped: 0x00000000...0x1FFFFFFF)
48 * 0xE8000000 .... 0xE800FFFF -> PCI-Bus IO-Zugriff (64kiB, translated to PCI: 0x0000...0xFFFF)
49 * 0xE8800000 .... 0xEBFFFFFF -> PCI-Bus IO-Zugriff (56MiB, translated to PCI: 0x00800000...0x3FFFFFF)
50 * 0xEED00000 .... 0xEED00003 -> PCI-Bus
51 * 0xEF400000 .... 0xEF40003F -> PCI-Bus Local Configuration Registers
52 * 0xEF40003F .... 0xEF5FFFFF -> reserved
53 * 0xEF600000 .... 0xEFFFFFFF -> 405GP internal Devices (10 MiB)
54 * 0xF0000000 .... 0xF01FFFFF -> Flash-ROM (2 MiB)
55 * 0xF0200000 .... 0xF7FFFFFF -> free for flash devices
56 * 0xF8000000 .... 0xF8000FFF -> OnChipMemory (4kiB)
57 * 0xF8001000 .... 0xFFDFFFFF -> free for flash devices
58 * 0xFFE00000 .... 0xFFFFFFFF -> BOOT-ROM (2 MiB)
59 */
Heiko Schocher3c58a992007-01-11 15:44:44 +010060
61#define CONFIG_SOLIDCARD3 1
62#define CONFIG_4xx 1
63#define CONFIG_405GP 1
64
65#define CONFIG_BOARD_EARLY_INIT_F 1
66
67/*
Wolfgang Denk4f640012007-01-16 18:30:50 +010068 * Define IDE_USES_ISA_EMULATION for slower IDE access in the ISA-IO address range
69 * If undefined, IDE access uses a seperat emulation with higher access speed.
Heiko Schocher3c58a992007-01-11 15:44:44 +010070 * Consider to inform your Linux IDE driver about the different addresses!
Wolfgang Denk4f640012007-01-16 18:30:50 +010071 * IDE_USES_ISA_EMULATION is only used if your CONFIG_COMMANDS macro includes
72 * the CFG_CMD_IDE macro!
Heiko Schocher3c58a992007-01-11 15:44:44 +010073 */
74#define IDE_USES_ISA_EMULATION
75
76/*-----------------------------------------------------------------------
77 * Serial Port
78 *----------------------------------------------------------------------*/
79#define CONFIG_SERIAL_MULTI
80#undef CONFIG_SERIAL_SOFTWARE_FIFO
81/*
82 * define CONFIG_POWER_DOWN if your cpu should power down while waiting for your input
83 * Works only, if you have enabled the CONFIG_SERIAL_SOFTWARE_FIFO feature
84 */
85#if CONFIG_SERIAL_SOFTWARE_FIFO
86 #define CONFIG_POWER_DOWN
87#endif
88
89/*
90 * define CONFIG_SYS_CLK_FREQ to your base crystal clock in Hz
91 */
92#define CONFIG_SYS_CLK_FREQ 33333333
93
94/*
95 * define CONFIG_BAUDRATE to the baudrate value you want to use as default
96 */
97#define CONFIG_BAUDRATE 115200
Wolfgang Denk86370712007-01-15 13:41:04 +010098#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
Heiko Schocher3c58a992007-01-11 15:44:44 +010099
Wolfgang Denke13d35b2007-01-16 12:46:35 +0100100#define CONFIG_PREBOOT "echo;" \
101 "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
102 "echo"
103
104#undef CONFIG_BOOTARGS
105
106#define CONFIG_EXTRA_ENV_SETTINGS \
107 "netdev=eth0\0" \
108 "nfsargs=setenv bootargs root=/dev/nfs rw " \
109 "nfsroot=${serverip}:${rootpath}\0" \
110 "ramargs=setenv bootargs root=/dev/ram rw\0" \
Heiko Schocher37efa392007-01-18 11:28:51 +0100111 "nand_args=setenv bootargs root=/dev/mtdblock5 rw" \
112 "rootfstype=jffs2\0" \
Wolfgang Denke13d35b2007-01-16 12:46:35 +0100113 "addip=setenv bootargs ${bootargs} " \
114 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
115 ":${hostname}:${netdev}:off panic=1\0" \
Wolfgang Denk7108f362007-03-13 16:05:55 +0100116 "addcons=setenv bootargs ${bootargs} " \
117 "console=ttyS0,${baudrate}\0" \
118 "flash_nfs=run nfsargs addip addcons;" \
Wolfgang Denke13d35b2007-01-16 12:46:35 +0100119 "bootm ${kernel_addr}\0" \
Wolfgang Denk7108f362007-03-13 16:05:55 +0100120 "flash_nand=run nand_args addip addcons;bootm ${kernel_addr}\0" \
121 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addcons;" \
122 "bootm\0" \
Wolfgang Denke13d35b2007-01-16 12:46:35 +0100123 "rootpath=/opt/eldk/ppc_4xx\0" \
124 "bootfile=/tftpboot/sc3/uImage\0" \
Heiko Schocher800db312007-01-19 18:05:26 +0100125 "u-boot=/tftpboot/sc3/u-boot.bin\0" \
126 "setup=tftp 200000 /tftpboot/sc3/setup.img;autoscr 200000\0" \
Wolfgang Denke13d35b2007-01-16 12:46:35 +0100127 "kernel_addr=FFE08000\0" \
128 ""
129#undef CONFIG_BOOTCOMMAND
130
Heiko Schocher3c58a992007-01-11 15:44:44 +0100131#define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */
132#define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
133
134#if 1 /* feel free to disable for development */
135#define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
136#define CONFIG_AUTOBOOT_PROMPT "\nSC3 - booting... stop with S\n"
137#define CONFIG_AUTOBOOT_DELAY_STR "S" /* 1st "password" */
138#endif
139
140/*
141 * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after
142 * the CONFIG_BOOTDELAY delay to boot your machine
143 */
144#define CONFIG_BOOTCOMMAND "bootp;dcache on;bootm"
145
146/*
147 * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't
148 * set different values at the u-boot prompt
149 */
150#ifdef USE_VGA_GRAPHICS
151 #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re"
152#else
153 #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/nfs rw ip=bootp"
154#endif
155/*
156 * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT
157 * This reserves memory bank #4 for this purpose
158 */
159#undef CONFIG_ISP1161_PRESENT
160
161#undef CONFIG_LOADS_ECHO /* no echo on for serial download */
162#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
163
164#define CONFIG_NET_MULTI
165/* #define CONFIG_EEPRO100_SROM_WRITE */
166/* #define CONFIG_SHOW_MAC */
167#define CONFIG_EEPRO100
168#define CONFIG_MII 1 /* add 405GP MII PHY management */
169#define CONFIG_PHY_ADDR 1 /* the connected Phy defaults to address 1 */
170
171#define CONFIG_COMMANDS \
Wolfgang Denk86370712007-01-15 13:41:04 +0100172 (CONFIG_CMD_DFL | \
Heiko Schocher3cc2c052007-01-19 19:57:10 +0100173 CFG_CMD_AUTOSCRIPT | \
174 CFG_CMD_PCI | \
175 CFG_CMD_IRQ | \
176 CFG_CMD_NET | \
177 CFG_CMD_MII | \
178 CFG_CMD_PING | \
179 CFG_CMD_NAND | \
180 CFG_CMD_JFFS2 | \
181 CFG_CMD_I2C | \
182 CFG_CMD_IDE | \
183 CFG_CMD_DATE | \
184 CFG_CMD_DHCP | \
185 CFG_CMD_CACHE | \
Heiko Schocher37efa392007-01-18 11:28:51 +0100186 CFG_CMD_ELF )
Heiko Schocher3c58a992007-01-11 15:44:44 +0100187
188/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
189#include <cmd_confdefs.h>
190
191#undef CONFIG_WATCHDOG /* watchdog disabled */
192
193/*
194 * Miscellaneous configurable options
195 */
196#define CFG_LONGHELP 1 /* undef to save memory */
197#define CFG_PROMPT "SC3> " /* Monitor Command Prompt */
198#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
199
200#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
201
202#define CFG_MAXARGS 16 /* max number of command args */
203#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
204
205#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
206#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
207
208/*
209 * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
210 * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
211 * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
212 * The Linux BASE_BAUD define should match this configuration.
213 * baseBaud = cpuClock/(uartDivisor*16)
214 * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
215 * set Linux BASE_BAUD to 403200.
216 *
217 * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to
218 * (see 405GP datasheet for descritpion)
219 */
Wolfgang Denk86370712007-01-15 13:41:04 +0100220#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
221#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100222#define CFG_BASE_BAUD 921600 /* internal clock */
223
224/* The following table includes the supported baudrates */
225#define CFG_BAUDRATE_TABLE \
226 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
227
228#define CFG_LOAD_ADDR 0x1000000 /* default load address */
229#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
230
231#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
232
233/*-----------------------------------------------------------------------
234 * IIC stuff
235 *-----------------------------------------------------------------------
236 */
237#define CONFIG_HARD_I2C /* I2C with hardware support */
Wolfgang Denk86370712007-01-15 13:41:04 +0100238#undef CONFIG_SOFT_I2C /* I2C bit-banged */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100239
240#define I2C_INIT
241#define I2C_ACTIVE 0
242#define I2C_TRISTATE 0
243
244#define CFG_I2C_SPEED 100000 /* use the standard 100kHz speed */
245#define CFG_I2C_SLAVE 0x7F /* mask valid bits */
246
247#define CONFIG_RTC_DS1337
248#define CFG_I2C_RTC_ADDR 0x68
249
250/*-----------------------------------------------------------------------
251 * PCI stuff
252 *-----------------------------------------------------------------------
253 */
Wolfgang Denk86370712007-01-15 13:41:04 +0100254#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
255#define PCI_HOST_FORCE 1 /* configure as pci host */
256#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100257
Wolfgang Denk86370712007-01-15 13:41:04 +0100258#define CONFIG_PCI /* include pci support */
259#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
260#define CONFIG_PCI_PNP /* do pci plug-and-play */
261 /* resource configuration */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100262
263/* If you want to see, whats connected to your PCI bus */
264/* #define CONFIG_PCI_SCAN_SHOW */
265
Wolfgang Denk86370712007-01-15 13:41:04 +0100266#define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
267#define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
268#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
269#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
270#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
271#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
272#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
273#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100274
275/*-----------------------------------------------------------------------
276 * External peripheral base address
277 *-----------------------------------------------------------------------
278 */
279#if !(CONFIG_COMMANDS & CFG_CMD_IDE)
280
Wolfgang Denk86370712007-01-15 13:41:04 +0100281#undef CONFIG_IDE_LED /* no led for ide supported */
282#undef CONFIG_IDE_RESET /* no reset for ide supported */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100283
284/*-----------------------------------------------------------------------
285 * IDE/ATA stuff
286 *-----------------------------------------------------------------------
287 */
288#else /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */
289#define CONFIG_START_IDE 1 /* check, if use IDE */
290
Wolfgang Denk86370712007-01-15 13:41:04 +0100291#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
292#undef CONFIG_IDE_LED /* no led for ide supported */
293#undef CONFIG_IDE_RESET /* no reset for ide supported */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100294
295#define CONFIG_ATAPI
296#define CONFIG_DOS_PARTITION
297#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
298
299#ifndef IDE_USES_ISA_EMULATION
300
301/* New and faster access */
302#define CFG_ATA_BASE_ADDR 0x7A000000 /* start of ISA IO emulation */
303
304/* How many IDE busses are available */
305#define CFG_IDE_MAXBUS 1
306
307/* What IDE ports are available */
308#define CFG_ATA_IDE0_OFFSET 0x000 /* first is available */
309#undef CFG_ATA_IDE1_OFFSET /* second not available */
310
311/* access to the data port is calculated:
312 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
313#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
314
315/* access to the registers is calculated:
316 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
317#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
318
319/* access to the alternate register is calculated:
320 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
321#define CFG_ATA_ALT_OFFSET 0x008 /* Offset for alternate registers */
322
323#else /* IDE_USES_ISA_EMULATION */
324
325#define CFG_ATA_BASE_ADDR 0x79000000 /* start of ISA IO emulation */
326
327/* How many IDE busses are available */
328#define CFG_IDE_MAXBUS 1
329
330/* What IDE ports are available */
331#define CFG_ATA_IDE0_OFFSET 0x01F0 /* first is available */
332#undef CFG_ATA_IDE1_OFFSET /* second not available */
333
334/* access to the data port is calculated:
335 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
336#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
337
338/* access to the registers is calculated:
339 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
340#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
341
342/* access to the alternate register is calculated:
343 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
344#define CFG_ATA_ALT_OFFSET 0x03F0 /* Offset for alternate registers */
345
346#endif /* IDE_USES_ISA_EMULATION */
347
348#endif /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */
349
350/*
351#define CFG_KEY_REG_BASE_ADDR 0xF0100000
352#define CFG_IR_REG_BASE_ADDR 0xF0200000
353#define CFG_FPGA_REG_BASE_ADDR 0xF0300000
354*/
355
356/*-----------------------------------------------------------------------
357 * Start addresses for the final memory configuration
358 * (Set up by the startup code)
359 * Please note that CFG_SDRAM_BASE _must_ start at 0
360 *
361 * CFG_FLASH_BASE -> start address of internal flash
362 * CFG_MONITOR_BASE -> start of u-boot
363 */
364#ifndef __ASSEMBLER__
365extern unsigned long offsetOfBigFlash;
366extern unsigned long offsetOfEnvironment;
367#endif
368
369#define CFG_SDRAM_BASE 0x00000000
370#define CFG_FLASH_BASE 0xFFE00000
371#define CFG_MONITOR_BASE 0xFFFC0000 /* placed last 256k */
372#define CFG_MONITOR_LEN (224 * 1024) /* Reserve 224 KiB for Monitor */
373#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KiB for malloc() */
374
375/*
376 * For booting Linux, the board info and command line data
377 * have to be in the first 8 MiB of memory, since this is
378 * the maximum mapped by the Linux kernel during initialization.
379 */
380#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
381/*-----------------------------------------------------------------------
Wolfgang Denk86370712007-01-15 13:41:04 +0100382 * FLASH organization ## FIXME: lookup in datasheet
Heiko Schocher3c58a992007-01-11 15:44:44 +0100383 */
384#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
385#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
386
387#define CFG_FLASH_CFI /* flash is CFI compat. */
388#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver*/
389#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector */
390#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/
391#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
392#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
Heiko Schocher800db312007-01-19 18:05:26 +0100393#define CFG_WRITE_SWAPPED_DATA /* swap Databytes between reading/writing */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100394
395#define CFG_ENV_IS_IN_FLASH 1
396#if CFG_ENV_IS_IN_FLASH
Wolfgang Denk4f640012007-01-16 18:30:50 +0100397#define CFG_ENV_OFFSET 0x00000000 /* Offset of Environment Sector in bottom type */
398#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
399#define CFG_ENV_SECT_SIZE 0x4000 /* see README - env sector total size */
400
401/* Address and size of Redundant Environment Sector */
402#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
403#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
404
Heiko Schocher3c58a992007-01-11 15:44:44 +0100405#endif
406/* let us changing anything in our environment */
407#define CONFIG_ENV_OVERWRITE
408
409/*
410 * NAND-FLASH stuff
411 */
412#define CFG_MAX_NAND_DEVICE 1
413#define NAND_MAX_CHIPS 1
414#define CFG_NAND_BASE 0x77D00000
415
Heiko Schocher37efa392007-01-18 11:28:51 +0100416
417#define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */
418
419/* No command line, one static partition Partition 3 contains jffs2 rootfs */
420#undef CONFIG_JFFS2_CMDLINE
421#define CONFIG_JFFS2_DEV "nand0"
422#define CONFIG_JFFS2_PART_SIZE 0x00400000
423#define CONFIG_JFFS2_PART_OFFSET 0x00c00000
424
Heiko Schocher3c58a992007-01-11 15:44:44 +0100425/*-----------------------------------------------------------------------
426 * Cache Configuration
427 *
428 * CFG_DCACHE_SIZE -> size of data cache:
429 * - 405GP 8k
430 * - 405GPr 16k
431 * How to handle the difference in chache size?
432 * CFG_CACHELINE_SIZE -> size of one cache line: 32 bytes
433 * (used in cpu/ppc4xx/start.S)
434*/
435#define CFG_DCACHE_SIZE 16384
436
437#define CFG_CACHELINE_SIZE 32
438
439#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
440 #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
441#endif
442
443/*
444 * Init Memory Controller:
445 *
446 */
447
448#define FLASH_BASE0_PRELIM CFG_FLASH_BASE
449#define FLASH_BASE1_PRELIM 0
450
451/*-----------------------------------------------------------------------
452 * Some informations about the internal SRAM (OCM=On Chip Memory)
453 *
454 * CFG_OCM_DATA_ADDR -> location
455 * CFG_OCM_DATA_SIZE -> size
456*/
457
458#define CFG_TEMP_STACK_OCM 1
459#define CFG_OCM_DATA_ADDR 0xF8000000
460#define CFG_OCM_DATA_SIZE 0x1000
461
462/*-----------------------------------------------------------------------
463 * Definitions for initial stack pointer and data area (in DPRAM):
464 * - we are using the internal 4k SRAM, so we don't need data cache mapping
465 * - internal SRAM (OCM=On Chip Memory) is placed to CFG_OCM_DATA_ADDR
466 * - Stackpointer will be located to
467 * (CFG_INIT_RAM_ADDR&0xFFFF0000) | (CFG_INIT_SP_OFFSET&0x0000FFFF)
468 * in cpu/ppc4xx/start.S
469 */
470
471#undef CFG_INIT_DCACHE_CS
472/* Where the internal SRAM starts */
Wolfgang Denk86370712007-01-15 13:41:04 +0100473#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR
Heiko Schocher3c58a992007-01-11 15:44:44 +0100474/* Where the internal SRAM ends (only offset) */
Wolfgang Denk86370712007-01-15 13:41:04 +0100475#define CFG_INIT_RAM_END 0x0F00
Heiko Schocher3c58a992007-01-11 15:44:44 +0100476
477/*
478
479 CFG_INIT_RAM_ADDR ------> ------------ lower address
Wolfgang Denk86370712007-01-15 13:41:04 +0100480 | |
481 | ^ |
482 | | |
483 | | Stack |
Heiko Schocher3c58a992007-01-11 15:44:44 +0100484 CFG_GBL_DATA_OFFSET ----> ------------
Wolfgang Denk86370712007-01-15 13:41:04 +0100485 | |
486 | 64 Bytes |
487 | |
Heiko Schocher3c58a992007-01-11 15:44:44 +0100488 CFG_INIT_RAM_END ------> ------------ higher address
489 (offset only)
490
491*/
492/* size in bytes reserved for initial data */
493#define CFG_GBL_DATA_SIZE 64
494#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
495/* Initial value of the stack pointern in internal SRAM */
496#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
497
498/*
499 * Internal Definitions
500 *
501 * Boot Flags
502 */
503#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
504#define BOOTFLAG_WARM 0x02 /* Software reboot */
505
506/* ################################################################################### */
507/* These defines will be used in cpu/ppc4xx/cpu_init.c to setup external chip selects */
508/* They are currently undefined cause they are initiaized in board/solidcard3/init.S */
509
510/* This chip select accesses the boot device */
511/* It depends on boot select switch if this device is 16 or 8 bit */
512
513#undef CFG_EBC_PB0AP
514#undef CFG_EBC_PB0CR
515
516#undef CFG_EBC_PB1AP
517#undef CFG_EBC_PB1CR
518
519#undef CFG_EBC_PB2AP
520#undef CFG_EBC_PB2CR
521
522#undef CFG_EBC_PB3AP
523#undef CFG_EBC_PB3CR
524
525#undef CFG_EBC_PB4AP
526#undef CFG_EBC_PB4CR
527
528#undef CFG_EBC_PB5AP
529#undef CFG_EBC_PB5CR
530
531#undef CFG_EBC_PB6AP
532#undef CFG_EBC_PB6CR
533
534#undef CFG_EBC_PB7AP
535#undef CFG_EBC_PB7CR
536
Heiko Schocher37efa392007-01-18 11:28:51 +0100537#define CFG_EBC_CFG 0xb84ef000
538
Heiko Schocher3c58a992007-01-11 15:44:44 +0100539#define CONFIG_SDRAM_BANK0 /* use the standard SDRAM initialization */
540#undef CONFIG_SPD_EEPROM
541
542/*
543 * Define this to get more information about system configuration
544 */
545/* #define SC3_DEBUGOUT */
546#undef SC3_DEBUGOUT
547
548/***********************************************************************
549 * External peripheral base address
550 ***********************************************************************/
551
552#define CFG_ISA_MEM_BASE_ADDRESS 0x78000000
553/*
554 Die Grafik-Treiber greifen über die Adresse in diesem Macro auf den Chip zu.
555 Das funktioniert bei deren Karten, weil sie eine PCI-Bridge benutzen, die
556 das gleiche Mapping durchführen kann, wie der SC520 (also Aufteilen von IO-Zugriffen
557 auf ISA- und PCI-Zyklen)
558 */
559#define CFG_ISA_IO_BASE_ADDRESS 0xE8000000
560/*#define CFG_ISA_IO_BASE_ADDRESS 0x79000000 */
561
562/************************************************************
563 * Video support
564 ************************************************************/
565
566#ifdef USE_VGA_GRAPHICS
567#define CONFIG_VIDEO /* To enable video controller support */
568#define CONFIG_VIDEO_CT69000
569#define CONFIG_CFB_CONSOLE
570/* #define CONFIG_VIDEO_LOGO */
571#define CONFIG_VGA_AS_SINGLE_DEVICE
572#define CONFIG_VIDEO_SW_CURSOR
573/* #define CONFIG_VIDEO_HW_CURSOR */
574#define CONFIG_VIDEO_ONBOARD /* Video controller is on-board */
575
576#define VIDEO_HW_RECTFILL
577#define VIDEO_HW_BITBLT
578
579#endif
580
581/************************************************************
582 * Ident
583 ************************************************************/
584#define CONFIG_SC3_VERSION "r1.4"
585
586#define POST_OUT(x) (*((volatile unsigned char*)(0x79000080))=x)
587
588#endif /* __CONFIG_H */