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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" \
116 "flash_nfs=run nfsargs addip;" \
117 "bootm ${kernel_addr}\0" \
118 "flash_nand=nand_args addip addcon;bootm ${kernel_addr}\0" \
119 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
120 "rootpath=/opt/eldk/ppc_4xx\0" \
121 "bootfile=/tftpboot/sc3/uImage\0" \
Heiko Schocher800db312007-01-19 18:05:26 +0100122 "u-boot=/tftpboot/sc3/u-boot.bin\0" \
123 "setup=tftp 200000 /tftpboot/sc3/setup.img;autoscr 200000\0" \
Wolfgang Denke13d35b2007-01-16 12:46:35 +0100124 "kernel_addr=FFE08000\0" \
125 ""
126#undef CONFIG_BOOTCOMMAND
127
Heiko Schocher3c58a992007-01-11 15:44:44 +0100128#define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */
129#define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
130
131#if 1 /* feel free to disable for development */
132#define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
133#define CONFIG_AUTOBOOT_PROMPT "\nSC3 - booting... stop with S\n"
134#define CONFIG_AUTOBOOT_DELAY_STR "S" /* 1st "password" */
135#endif
136
137/*
138 * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after
139 * the CONFIG_BOOTDELAY delay to boot your machine
140 */
141#define CONFIG_BOOTCOMMAND "bootp;dcache on;bootm"
142
143/*
144 * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't
145 * set different values at the u-boot prompt
146 */
147#ifdef USE_VGA_GRAPHICS
148 #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re"
149#else
150 #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/nfs rw ip=bootp"
151#endif
152/*
153 * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT
154 * This reserves memory bank #4 for this purpose
155 */
156#undef CONFIG_ISP1161_PRESENT
157
158#undef CONFIG_LOADS_ECHO /* no echo on for serial download */
159#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
160
161#define CONFIG_NET_MULTI
162/* #define CONFIG_EEPRO100_SROM_WRITE */
163/* #define CONFIG_SHOW_MAC */
164#define CONFIG_EEPRO100
165#define CONFIG_MII 1 /* add 405GP MII PHY management */
166#define CONFIG_PHY_ADDR 1 /* the connected Phy defaults to address 1 */
167
168#define CONFIG_COMMANDS \
Wolfgang Denk86370712007-01-15 13:41:04 +0100169 (CONFIG_CMD_DFL | \
Heiko Schocher3cc2c052007-01-19 19:57:10 +0100170 CFG_CMD_AUTOSCRIPT | \
171 CFG_CMD_PCI | \
172 CFG_CMD_IRQ | \
173 CFG_CMD_NET | \
174 CFG_CMD_MII | \
175 CFG_CMD_PING | \
176 CFG_CMD_NAND | \
177 CFG_CMD_JFFS2 | \
178 CFG_CMD_I2C | \
179 CFG_CMD_IDE | \
180 CFG_CMD_DATE | \
181 CFG_CMD_DHCP | \
182 CFG_CMD_CACHE | \
Heiko Schocher37efa392007-01-18 11:28:51 +0100183 CFG_CMD_ELF )
Heiko Schocher3c58a992007-01-11 15:44:44 +0100184
185/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
186#include <cmd_confdefs.h>
187
188#undef CONFIG_WATCHDOG /* watchdog disabled */
189
190/*
191 * Miscellaneous configurable options
192 */
193#define CFG_LONGHELP 1 /* undef to save memory */
194#define CFG_PROMPT "SC3> " /* Monitor Command Prompt */
195#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
196
197#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
198
199#define CFG_MAXARGS 16 /* max number of command args */
200#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
201
202#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
203#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
204
205/*
206 * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
207 * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
208 * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
209 * The Linux BASE_BAUD define should match this configuration.
210 * baseBaud = cpuClock/(uartDivisor*16)
211 * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
212 * set Linux BASE_BAUD to 403200.
213 *
214 * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to
215 * (see 405GP datasheet for descritpion)
216 */
Wolfgang Denk86370712007-01-15 13:41:04 +0100217#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
218#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100219#define CFG_BASE_BAUD 921600 /* internal clock */
220
221/* The following table includes the supported baudrates */
222#define CFG_BAUDRATE_TABLE \
223 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
224
225#define CFG_LOAD_ADDR 0x1000000 /* default load address */
226#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
227
228#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
229
230/*-----------------------------------------------------------------------
231 * IIC stuff
232 *-----------------------------------------------------------------------
233 */
234#define CONFIG_HARD_I2C /* I2C with hardware support */
Wolfgang Denk86370712007-01-15 13:41:04 +0100235#undef CONFIG_SOFT_I2C /* I2C bit-banged */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100236
237#define I2C_INIT
238#define I2C_ACTIVE 0
239#define I2C_TRISTATE 0
240
241#define CFG_I2C_SPEED 100000 /* use the standard 100kHz speed */
242#define CFG_I2C_SLAVE 0x7F /* mask valid bits */
243
244#define CONFIG_RTC_DS1337
245#define CFG_I2C_RTC_ADDR 0x68
246
247/*-----------------------------------------------------------------------
248 * PCI stuff
249 *-----------------------------------------------------------------------
250 */
Wolfgang Denk86370712007-01-15 13:41:04 +0100251#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
252#define PCI_HOST_FORCE 1 /* configure as pci host */
253#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100254
Wolfgang Denk86370712007-01-15 13:41:04 +0100255#define CONFIG_PCI /* include pci support */
256#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
257#define CONFIG_PCI_PNP /* do pci plug-and-play */
258 /* resource configuration */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100259
260/* If you want to see, whats connected to your PCI bus */
261/* #define CONFIG_PCI_SCAN_SHOW */
262
Wolfgang Denk86370712007-01-15 13:41:04 +0100263#define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
264#define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
265#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
266#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
267#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
268#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
269#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
270#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100271
272/*-----------------------------------------------------------------------
273 * External peripheral base address
274 *-----------------------------------------------------------------------
275 */
276#if !(CONFIG_COMMANDS & CFG_CMD_IDE)
277
Wolfgang Denk86370712007-01-15 13:41:04 +0100278#undef CONFIG_IDE_LED /* no led for ide supported */
279#undef CONFIG_IDE_RESET /* no reset for ide supported */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100280
281/*-----------------------------------------------------------------------
282 * IDE/ATA stuff
283 *-----------------------------------------------------------------------
284 */
285#else /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */
286#define CONFIG_START_IDE 1 /* check, if use IDE */
287
Wolfgang Denk86370712007-01-15 13:41:04 +0100288#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
289#undef CONFIG_IDE_LED /* no led for ide supported */
290#undef CONFIG_IDE_RESET /* no reset for ide supported */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100291
292#define CONFIG_ATAPI
293#define CONFIG_DOS_PARTITION
294#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
295
296#ifndef IDE_USES_ISA_EMULATION
297
298/* New and faster access */
299#define CFG_ATA_BASE_ADDR 0x7A000000 /* start of ISA IO emulation */
300
301/* How many IDE busses are available */
302#define CFG_IDE_MAXBUS 1
303
304/* What IDE ports are available */
305#define CFG_ATA_IDE0_OFFSET 0x000 /* first is available */
306#undef CFG_ATA_IDE1_OFFSET /* second not available */
307
308/* access to the data port is calculated:
309 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
310#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
311
312/* access to the registers is calculated:
313 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
314#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
315
316/* access to the alternate register is calculated:
317 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
318#define CFG_ATA_ALT_OFFSET 0x008 /* Offset for alternate registers */
319
320#else /* IDE_USES_ISA_EMULATION */
321
322#define CFG_ATA_BASE_ADDR 0x79000000 /* start of ISA IO emulation */
323
324/* How many IDE busses are available */
325#define CFG_IDE_MAXBUS 1
326
327/* What IDE ports are available */
328#define CFG_ATA_IDE0_OFFSET 0x01F0 /* first is available */
329#undef CFG_ATA_IDE1_OFFSET /* second not available */
330
331/* access to the data port is calculated:
332 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_DATA_OFFSET + 0 */
333#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
334
335/* access to the registers is calculated:
336 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_REG_OFFSET + [1..7] */
337#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
338
339/* access to the alternate register is calculated:
340 CFG_ATA_BASE_ADDR + CFG_ATA_IDE0_OFFSET + CFG_ATA_ALT_OFFSET + 6 */
341#define CFG_ATA_ALT_OFFSET 0x03F0 /* Offset for alternate registers */
342
343#endif /* IDE_USES_ISA_EMULATION */
344
345#endif /* !(CONFIG_COMMANDS & CFG_CMD_IDE) */
346
347/*
348#define CFG_KEY_REG_BASE_ADDR 0xF0100000
349#define CFG_IR_REG_BASE_ADDR 0xF0200000
350#define CFG_FPGA_REG_BASE_ADDR 0xF0300000
351*/
352
353/*-----------------------------------------------------------------------
354 * Start addresses for the final memory configuration
355 * (Set up by the startup code)
356 * Please note that CFG_SDRAM_BASE _must_ start at 0
357 *
358 * CFG_FLASH_BASE -> start address of internal flash
359 * CFG_MONITOR_BASE -> start of u-boot
360 */
361#ifndef __ASSEMBLER__
362extern unsigned long offsetOfBigFlash;
363extern unsigned long offsetOfEnvironment;
364#endif
365
366#define CFG_SDRAM_BASE 0x00000000
367#define CFG_FLASH_BASE 0xFFE00000
368#define CFG_MONITOR_BASE 0xFFFC0000 /* placed last 256k */
369#define CFG_MONITOR_LEN (224 * 1024) /* Reserve 224 KiB for Monitor */
370#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 KiB for malloc() */
371
372/*
373 * For booting Linux, the board info and command line data
374 * have to be in the first 8 MiB of memory, since this is
375 * the maximum mapped by the Linux kernel during initialization.
376 */
377#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
378/*-----------------------------------------------------------------------
Wolfgang Denk86370712007-01-15 13:41:04 +0100379 * FLASH organization ## FIXME: lookup in datasheet
Heiko Schocher3c58a992007-01-11 15:44:44 +0100380 */
381#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
382#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
383
384#define CFG_FLASH_CFI /* flash is CFI compat. */
385#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver*/
386#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector */
387#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/
388#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
389#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
Heiko Schocher800db312007-01-19 18:05:26 +0100390#define CFG_WRITE_SWAPPED_DATA /* swap Databytes between reading/writing */
Heiko Schocher3c58a992007-01-11 15:44:44 +0100391
392#define CFG_ENV_IS_IN_FLASH 1
393#if CFG_ENV_IS_IN_FLASH
Wolfgang Denk4f640012007-01-16 18:30:50 +0100394#define CFG_ENV_OFFSET 0x00000000 /* Offset of Environment Sector in bottom type */
395#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
396#define CFG_ENV_SECT_SIZE 0x4000 /* see README - env sector total size */
397
398/* Address and size of Redundant Environment Sector */
399#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
400#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
401
Heiko Schocher3c58a992007-01-11 15:44:44 +0100402#endif
403/* let us changing anything in our environment */
404#define CONFIG_ENV_OVERWRITE
405
406/*
407 * NAND-FLASH stuff
408 */
409#define CFG_MAX_NAND_DEVICE 1
410#define NAND_MAX_CHIPS 1
411#define CFG_NAND_BASE 0x77D00000
412
Heiko Schocher37efa392007-01-18 11:28:51 +0100413
414#define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */
415
416/* No command line, one static partition Partition 3 contains jffs2 rootfs */
417#undef CONFIG_JFFS2_CMDLINE
418#define CONFIG_JFFS2_DEV "nand0"
419#define CONFIG_JFFS2_PART_SIZE 0x00400000
420#define CONFIG_JFFS2_PART_OFFSET 0x00c00000
421
Heiko Schocher3c58a992007-01-11 15:44:44 +0100422/*-----------------------------------------------------------------------
423 * Cache Configuration
424 *
425 * CFG_DCACHE_SIZE -> size of data cache:
426 * - 405GP 8k
427 * - 405GPr 16k
428 * How to handle the difference in chache size?
429 * CFG_CACHELINE_SIZE -> size of one cache line: 32 bytes
430 * (used in cpu/ppc4xx/start.S)
431*/
432#define CFG_DCACHE_SIZE 16384
433
434#define CFG_CACHELINE_SIZE 32
435
436#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
437 #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
438#endif
439
440/*
441 * Init Memory Controller:
442 *
443 */
444
445#define FLASH_BASE0_PRELIM CFG_FLASH_BASE
446#define FLASH_BASE1_PRELIM 0
447
448/*-----------------------------------------------------------------------
449 * Some informations about the internal SRAM (OCM=On Chip Memory)
450 *
451 * CFG_OCM_DATA_ADDR -> location
452 * CFG_OCM_DATA_SIZE -> size
453*/
454
455#define CFG_TEMP_STACK_OCM 1
456#define CFG_OCM_DATA_ADDR 0xF8000000
457#define CFG_OCM_DATA_SIZE 0x1000
458
459/*-----------------------------------------------------------------------
460 * Definitions for initial stack pointer and data area (in DPRAM):
461 * - we are using the internal 4k SRAM, so we don't need data cache mapping
462 * - internal SRAM (OCM=On Chip Memory) is placed to CFG_OCM_DATA_ADDR
463 * - Stackpointer will be located to
464 * (CFG_INIT_RAM_ADDR&0xFFFF0000) | (CFG_INIT_SP_OFFSET&0x0000FFFF)
465 * in cpu/ppc4xx/start.S
466 */
467
468#undef CFG_INIT_DCACHE_CS
469/* Where the internal SRAM starts */
Wolfgang Denk86370712007-01-15 13:41:04 +0100470#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR
Heiko Schocher3c58a992007-01-11 15:44:44 +0100471/* Where the internal SRAM ends (only offset) */
Wolfgang Denk86370712007-01-15 13:41:04 +0100472#define CFG_INIT_RAM_END 0x0F00
Heiko Schocher3c58a992007-01-11 15:44:44 +0100473
474/*
475
476 CFG_INIT_RAM_ADDR ------> ------------ lower address
Wolfgang Denk86370712007-01-15 13:41:04 +0100477 | |
478 | ^ |
479 | | |
480 | | Stack |
Heiko Schocher3c58a992007-01-11 15:44:44 +0100481 CFG_GBL_DATA_OFFSET ----> ------------
Wolfgang Denk86370712007-01-15 13:41:04 +0100482 | |
483 | 64 Bytes |
484 | |
Heiko Schocher3c58a992007-01-11 15:44:44 +0100485 CFG_INIT_RAM_END ------> ------------ higher address
486 (offset only)
487
488*/
489/* size in bytes reserved for initial data */
490#define CFG_GBL_DATA_SIZE 64
491#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
492/* Initial value of the stack pointern in internal SRAM */
493#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
494
495/*
496 * Internal Definitions
497 *
498 * Boot Flags
499 */
500#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
501#define BOOTFLAG_WARM 0x02 /* Software reboot */
502
503/* ################################################################################### */
504/* These defines will be used in cpu/ppc4xx/cpu_init.c to setup external chip selects */
505/* They are currently undefined cause they are initiaized in board/solidcard3/init.S */
506
507/* This chip select accesses the boot device */
508/* It depends on boot select switch if this device is 16 or 8 bit */
509
510#undef CFG_EBC_PB0AP
511#undef CFG_EBC_PB0CR
512
513#undef CFG_EBC_PB1AP
514#undef CFG_EBC_PB1CR
515
516#undef CFG_EBC_PB2AP
517#undef CFG_EBC_PB2CR
518
519#undef CFG_EBC_PB3AP
520#undef CFG_EBC_PB3CR
521
522#undef CFG_EBC_PB4AP
523#undef CFG_EBC_PB4CR
524
525#undef CFG_EBC_PB5AP
526#undef CFG_EBC_PB5CR
527
528#undef CFG_EBC_PB6AP
529#undef CFG_EBC_PB6CR
530
531#undef CFG_EBC_PB7AP
532#undef CFG_EBC_PB7CR
533
Heiko Schocher37efa392007-01-18 11:28:51 +0100534#define CFG_EBC_CFG 0xb84ef000
535
Heiko Schocher3c58a992007-01-11 15:44:44 +0100536#define CONFIG_SDRAM_BANK0 /* use the standard SDRAM initialization */
537#undef CONFIG_SPD_EEPROM
538
539/*
540 * Define this to get more information about system configuration
541 */
542/* #define SC3_DEBUGOUT */
543#undef SC3_DEBUGOUT
544
545/***********************************************************************
546 * External peripheral base address
547 ***********************************************************************/
548
549#define CFG_ISA_MEM_BASE_ADDRESS 0x78000000
550/*
551 Die Grafik-Treiber greifen über die Adresse in diesem Macro auf den Chip zu.
552 Das funktioniert bei deren Karten, weil sie eine PCI-Bridge benutzen, die
553 das gleiche Mapping durchführen kann, wie der SC520 (also Aufteilen von IO-Zugriffen
554 auf ISA- und PCI-Zyklen)
555 */
556#define CFG_ISA_IO_BASE_ADDRESS 0xE8000000
557/*#define CFG_ISA_IO_BASE_ADDRESS 0x79000000 */
558
559/************************************************************
560 * Video support
561 ************************************************************/
562
563#ifdef USE_VGA_GRAPHICS
564#define CONFIG_VIDEO /* To enable video controller support */
565#define CONFIG_VIDEO_CT69000
566#define CONFIG_CFB_CONSOLE
567/* #define CONFIG_VIDEO_LOGO */
568#define CONFIG_VGA_AS_SINGLE_DEVICE
569#define CONFIG_VIDEO_SW_CURSOR
570/* #define CONFIG_VIDEO_HW_CURSOR */
571#define CONFIG_VIDEO_ONBOARD /* Video controller is on-board */
572
573#define VIDEO_HW_RECTFILL
574#define VIDEO_HW_BITBLT
575
576#endif
577
578/************************************************************
579 * Ident
580 ************************************************************/
581#define CONFIG_SC3_VERSION "r1.4"
582
583#define POST_OUT(x) (*((volatile unsigned char*)(0x79000080))=x)
584
585#endif /* __CONFIG_H */