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ca43ba18
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1/*
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
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34 * 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 */
ca43ba18 60
9045f33c 61#define CONFIG_SC3 1
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62#define CONFIG_4xx 1
63#define CONFIG_405GP 1
64
65#define CONFIG_BOARD_EARLY_INIT_F 1
3a8f28d0 66#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r() */
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67
68/*
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69 * Define IDE_USES_ISA_EMULATION for slower IDE access in the ISA-IO address range
70 * If undefined, IDE access uses a seperat emulation with higher access speed.
ca43ba18 71 * Consider to inform your Linux IDE driver about the different addresses!
639221c7 72 * IDE_USES_ISA_EMULATION is only used if you define CONFIG_CMD_IDE!
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73 */
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
f11033e7 98#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
ca43ba18 99
1bbbbdd2 100#define CONFIG_PREBOOT "echo;" \
32bf3d14 101 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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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" \
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111 "nand_args=setenv bootargs root=/dev/mtdblock5 rw" \
112 "rootfstype=jffs2\0" \
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113 "addip=setenv bootargs ${bootargs} " \
114 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
115 ":${hostname}:${netdev}:off panic=1\0" \
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116 "addcons=setenv bootargs ${bootargs} " \
117 "console=ttyS0,${baudrate}\0" \
118 "flash_nfs=run nfsargs addip addcons;" \
1bbbbdd2 119 "bootm ${kernel_addr}\0" \
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120 "flash_nand=run nand_args addip addcons;bootm ${kernel_addr}\0" \
121 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addcons;" \
122 "bootm\0" \
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123 "rootpath=/opt/eldk/ppc_4xx\0" \
124 "bootfile=/tftpboot/sc3/uImage\0" \
d0b6e140 125 "u-boot=/tftpboot/sc3/u-boot.bin\0" \
74de7aef 126 "setup=tftp 200000 /tftpboot/sc3/setup.img;source 200000\0" \
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127 "kernel_addr=FFE08000\0" \
128 ""
129#undef CONFIG_BOOTCOMMAND
130
ca43ba18 131#define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */
6d0f6bcf 132#define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev device */
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133
134#if 1 /* feel free to disable for development */
135#define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
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136#define CONFIG_AUTOBOOT_PROMPT \
137 "\nSC3 - booting... stop with ENTER\n"
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138#define CONFIG_AUTOBOOT_DELAY_STR "\r" /* 1st "password" */
139#define CONFIG_AUTOBOOT_DELAY_STR2 "\n" /* 1st "password" */
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140#endif
141
142/*
143 * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after
144 * the CONFIG_BOOTDELAY delay to boot your machine
145 */
146#define CONFIG_BOOTCOMMAND "bootp;dcache on;bootm"
147
148/*
149 * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't
150 * set different values at the u-boot prompt
151 */
152#ifdef USE_VGA_GRAPHICS
153 #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re"
154#else
155 #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/nfs rw ip=bootp"
156#endif
157/*
158 * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT
159 * This reserves memory bank #4 for this purpose
160 */
161#undef CONFIG_ISP1161_PRESENT
162
163#undef CONFIG_LOADS_ECHO /* no echo on for serial download */
6d0f6bcf 164#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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165
166#define CONFIG_NET_MULTI
167/* #define CONFIG_EEPRO100_SROM_WRITE */
168/* #define CONFIG_SHOW_MAC */
169#define CONFIG_EEPRO100
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170
171#define CONFIG_PPC4xx_EMAC
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172#define CONFIG_MII 1 /* add 405GP MII PHY management */
173#define CONFIG_PHY_ADDR 1 /* the connected Phy defaults to address 1 */
174
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175/*
176 * BOOTP options
177 */
178#define CONFIG_BOOTP_BOOTFILESIZE
179#define CONFIG_BOOTP_BOOTPATH
180#define CONFIG_BOOTP_GATEWAY
181#define CONFIG_BOOTP_HOSTNAME
182
183
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184/*
185 * Command line configuration.
186 */
187#include <config_cmd_default.h>
188
189
74de7aef 190#define CONFIG_CMD_CACHE
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191#define CONFIG_CMD_DATE
192#define CONFIG_CMD_DHCP
46da1e96 193#define CONFIG_CMD_ELF
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194#define CONFIG_CMD_I2C
195#define CONFIG_CMD_IDE
196#define CONFIG_CMD_IRQ
197#define CONFIG_CMD_JFFS2
198#define CONFIG_CMD_MII
199#define CONFIG_CMD_NAND
200#define CONFIG_CMD_NET
201#define CONFIG_CMD_PCI
202#define CONFIG_CMD_PING
203#define CONFIG_CMD_SOURCE
46da1e96 204
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205
206#undef CONFIG_WATCHDOG /* watchdog disabled */
207
208/*
209 * Miscellaneous configurable options
210 */
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211#define CONFIG_SYS_LONGHELP 1 /* undef to save memory */
212#define CONFIG_SYS_PROMPT "SC3> " /* Monitor Command Prompt */
213#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
ca43ba18 214
6d0f6bcf 215#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
ca43ba18 216
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217#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
218#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
ca43ba18 219
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220#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
221#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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222
223/*
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224 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
225 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
226 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
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227 * The Linux BASE_BAUD define should match this configuration.
228 * baseBaud = cpuClock/(uartDivisor*16)
6d0f6bcf 229 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
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230 * set Linux BASE_BAUD to 403200.
231 *
232 * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to
233 * (see 405GP datasheet for descritpion)
234 */
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235#undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
236#undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
237#define CONFIG_SYS_BASE_BAUD 921600 /* internal clock */
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238
239/* The following table includes the supported baudrates */
6d0f6bcf 240#define CONFIG_SYS_BAUDRATE_TABLE \
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241 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
242
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243#define CONFIG_SYS_LOAD_ADDR 0x1000000 /* default load address */
244#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
ca43ba18 245
6d0f6bcf 246#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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247
248/*-----------------------------------------------------------------------
249 * IIC stuff
250 *-----------------------------------------------------------------------
251 */
252#define CONFIG_HARD_I2C /* I2C with hardware support */
f11033e7 253#undef CONFIG_SOFT_I2C /* I2C bit-banged */
d0b0dcaa 254#define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
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255
256#define I2C_INIT
257#define I2C_ACTIVE 0
258#define I2C_TRISTATE 0
259
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260#define CONFIG_SYS_I2C_SPEED 100000 /* use the standard 100kHz speed */
261#define CONFIG_SYS_I2C_SLAVE 0x7F /* mask valid bits */
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262
263#define CONFIG_RTC_DS1337
6d0f6bcf 264#define CONFIG_SYS_I2C_RTC_ADDR 0x68
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265
266/*-----------------------------------------------------------------------
267 * PCI stuff
268 *-----------------------------------------------------------------------
269 */
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270#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
271#define PCI_HOST_FORCE 1 /* configure as pci host */
272#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
ca43ba18 273
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274#define CONFIG_PCI /* include pci support */
275#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
276#define CONFIG_PCI_PNP /* do pci plug-and-play */
277 /* resource configuration */
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278
279/* If you want to see, whats connected to your PCI bus */
280/* #define CONFIG_PCI_SCAN_SHOW */
281
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282#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
283#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
284#define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
285#define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
286#define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
287#define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
288#define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
289#define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
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290
291/*-----------------------------------------------------------------------
292 * External peripheral base address
293 *-----------------------------------------------------------------------
294 */
46da1e96 295#if !defined(CONFIG_CMD_IDE)
ca43ba18 296
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297#undef CONFIG_IDE_LED /* no led for ide supported */
298#undef CONFIG_IDE_RESET /* no reset for ide supported */
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299
300/*-----------------------------------------------------------------------
301 * IDE/ATA stuff
302 *-----------------------------------------------------------------------
303 */
46da1e96 304#else
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305#define CONFIG_START_IDE 1 /* check, if use IDE */
306
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307#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
308#undef CONFIG_IDE_LED /* no led for ide supported */
309#undef CONFIG_IDE_RESET /* no reset for ide supported */
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310
311#define CONFIG_ATAPI
312#define CONFIG_DOS_PARTITION
6d0f6bcf 313#define CONFIG_SYS_IDE_MAXDEVICE (CONFIG_SYS_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
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314
315#ifndef IDE_USES_ISA_EMULATION
316
317/* New and faster access */
6d0f6bcf 318#define CONFIG_SYS_ATA_BASE_ADDR 0x7A000000 /* start of ISA IO emulation */
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319
320/* How many IDE busses are available */
6d0f6bcf 321#define CONFIG_SYS_IDE_MAXBUS 1
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322
323/* What IDE ports are available */
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324#define CONFIG_SYS_ATA_IDE0_OFFSET 0x000 /* first is available */
325#undef CONFIG_SYS_ATA_IDE1_OFFSET /* second not available */
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326
327/* access to the data port is calculated:
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328 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_DATA_OFFSET + 0 */
329#define CONFIG_SYS_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
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330
331/* access to the registers is calculated:
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332 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_REG_OFFSET + [1..7] */
333#define CONFIG_SYS_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
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334
335/* access to the alternate register is calculated:
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336 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_ALT_OFFSET + 6 */
337#define CONFIG_SYS_ATA_ALT_OFFSET 0x008 /* Offset for alternate registers */
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338
339#else /* IDE_USES_ISA_EMULATION */
340
6d0f6bcf 341#define CONFIG_SYS_ATA_BASE_ADDR 0x79000000 /* start of ISA IO emulation */
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342
343/* How many IDE busses are available */
6d0f6bcf 344#define CONFIG_SYS_IDE_MAXBUS 1
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345
346/* What IDE ports are available */
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347#define CONFIG_SYS_ATA_IDE0_OFFSET 0x01F0 /* first is available */
348#undef CONFIG_SYS_ATA_IDE1_OFFSET /* second not available */
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349
350/* access to the data port is calculated:
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351 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_DATA_OFFSET + 0 */
352#define CONFIG_SYS_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
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353
354/* access to the registers is calculated:
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355 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_REG_OFFSET + [1..7] */
356#define CONFIG_SYS_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
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357
358/* access to the alternate register is calculated:
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359 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_ALT_OFFSET + 6 */
360#define CONFIG_SYS_ATA_ALT_OFFSET 0x03F0 /* Offset for alternate registers */
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361
362#endif /* IDE_USES_ISA_EMULATION */
363
46da1e96 364#endif
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365
366/*
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367#define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000
368#define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000
369#define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000
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370*/
371
372/*-----------------------------------------------------------------------
373 * Start addresses for the final memory configuration
374 * (Set up by the startup code)
6d0f6bcf 375 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
ca43ba18 376 *
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377 * CONFIG_SYS_FLASH_BASE -> start address of internal flash
378 * CONFIG_SYS_MONITOR_BASE -> start of u-boot
ca43ba18 379 */
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380#define CONFIG_SYS_SDRAM_BASE 0x00000000
381#define CONFIG_SYS_FLASH_BASE 0xFFE00000
382#define CONFIG_SYS_MONITOR_BASE 0xFFFC0000 /* placed last 256k */
383#define CONFIG_SYS_MONITOR_LEN (224 * 1024) /* Reserve 224 KiB for Monitor */
384#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 KiB for malloc() */
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385
386/*
387 * For booting Linux, the board info and command line data
388 * have to be in the first 8 MiB of memory, since this is
389 * the maximum mapped by the Linux kernel during initialization.
390 */
6d0f6bcf 391#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
ca43ba18 392/*-----------------------------------------------------------------------
f11033e7 393 * FLASH organization ## FIXME: lookup in datasheet
ca43ba18 394 */
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395#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
396#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
ca43ba18 397
6d0f6bcf 398#define CONFIG_SYS_FLASH_CFI /* flash is CFI compat. */
00b1883a 399#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver*/
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400#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector */
401#define CONFIG_SYS_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/
402#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
403#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
404#define CONFIG_SYS_WRITE_SWAPPED_DATA /* swap Databytes between reading/writing */
ca43ba18 405
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406#define CONFIG_ENV_IS_IN_FLASH 1
407#ifdef CONFIG_ENV_IS_IN_FLASH
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408#define CONFIG_ENV_OFFSET 0x00000000 /* Offset of Environment Sector in bottom type */
409#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
410#define CONFIG_ENV_SECT_SIZE 0x4000 /* see README - env sector total size */
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411
412/* Address and size of Redundant Environment Sector */
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413#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
414#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
6d3e0107 415
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416#endif
417/* let us changing anything in our environment */
418#define CONFIG_ENV_OVERWRITE
419
420/*
421 * NAND-FLASH stuff
422 */
6d0f6bcf 423#define CONFIG_SYS_MAX_NAND_DEVICE 1
6d0f6bcf 424#define CONFIG_SYS_NAND_BASE 0x77D00000
ca43ba18 425
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426#define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */
427
51056dd9 428/* No command line, one static partition */
68d7d651 429#undef CONFIG_CMD_MTDPARTS
cb482072 430#define CONFIG_JFFS2_DEV "nand0"
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431#define CONFIG_JFFS2_PART_SIZE 0x01000000
432#define CONFIG_JFFS2_PART_OFFSET 0x00000000
cb482072 433
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434/*
435 * Init Memory Controller:
436 *
437 */
438
6d0f6bcf 439#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE
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440#define FLASH_BASE1_PRELIM 0
441
442/*-----------------------------------------------------------------------
443 * Some informations about the internal SRAM (OCM=On Chip Memory)
444 *
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445 * CONFIG_SYS_OCM_DATA_ADDR -> location
446 * CONFIG_SYS_OCM_DATA_SIZE -> size
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447*/
448
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449#define CONFIG_SYS_TEMP_STACK_OCM 1
450#define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
451#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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452
453/*-----------------------------------------------------------------------
454 * Definitions for initial stack pointer and data area (in DPRAM):
455 * - we are using the internal 4k SRAM, so we don't need data cache mapping
6d0f6bcf 456 * - internal SRAM (OCM=On Chip Memory) is placed to CONFIG_SYS_OCM_DATA_ADDR
ca43ba18 457 * - Stackpointer will be located to
6d0f6bcf 458 * (CONFIG_SYS_INIT_RAM_ADDR&0xFFFF0000) | (CONFIG_SYS_INIT_SP_OFFSET&0x0000FFFF)
a47a12be 459 * in arch/powerpc/cpu/ppc4xx/start.S
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460 */
461
6d0f6bcf 462#undef CONFIG_SYS_INIT_DCACHE_CS
ca43ba18 463/* Where the internal SRAM starts */
6d0f6bcf 464#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR
ca43ba18 465/* Where the internal SRAM ends (only offset) */
6d0f6bcf 466#define CONFIG_SYS_INIT_RAM_END 0x0F00
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467
468/*
469
6d0f6bcf 470 CONFIG_SYS_INIT_RAM_ADDR ------> ------------ lower address
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471 | |
472 | ^ |
473 | | |
474 | | Stack |
6d0f6bcf 475 CONFIG_SYS_GBL_DATA_OFFSET ----> ------------
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476 | |
477 | 64 Bytes |
478 | |
6d0f6bcf 479 CONFIG_SYS_INIT_RAM_END ------> ------------ higher address
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480 (offset only)
481
482*/
483/* size in bytes reserved for initial data */
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484#define CONFIG_SYS_GBL_DATA_SIZE 64
485#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
ca43ba18 486/* Initial value of the stack pointern in internal SRAM */
6d0f6bcf 487#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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488
489/*
490 * Internal Definitions
491 *
492 * Boot Flags
493 */
494#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
495#define BOOTFLAG_WARM 0x02 /* Software reboot */
496
497/* ################################################################################### */
a47a12be 498/* These defines will be used in arch/powerpc/cpu/ppc4xx/cpu_init.c to setup external chip selects */
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499/* They are currently undefined cause they are initiaized in board/solidcard3/init.S */
500
501/* This chip select accesses the boot device */
502/* It depends on boot select switch if this device is 16 or 8 bit */
503
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504#undef CONFIG_SYS_EBC_PB0AP
505#undef CONFIG_SYS_EBC_PB0CR
ca43ba18 506
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507#undef CONFIG_SYS_EBC_PB1AP
508#undef CONFIG_SYS_EBC_PB1CR
ca43ba18 509
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510#undef CONFIG_SYS_EBC_PB2AP
511#undef CONFIG_SYS_EBC_PB2CR
ca43ba18 512
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513#undef CONFIG_SYS_EBC_PB3AP
514#undef CONFIG_SYS_EBC_PB3CR
ca43ba18 515
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516#undef CONFIG_SYS_EBC_PB4AP
517#undef CONFIG_SYS_EBC_PB4CR
ca43ba18 518
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519#undef CONFIG_SYS_EBC_PB5AP
520#undef CONFIG_SYS_EBC_PB5CR
ca43ba18 521
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522#undef CONFIG_SYS_EBC_PB6AP
523#undef CONFIG_SYS_EBC_PB6CR
ca43ba18 524
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525#undef CONFIG_SYS_EBC_PB7AP
526#undef CONFIG_SYS_EBC_PB7CR
ca43ba18 527
6d0f6bcf 528#define CONFIG_SYS_EBC_CFG 0xb84ef000
cb482072 529
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530#define CONFIG_SDRAM_BANK0 /* use the standard SDRAM initialization */
531#undef CONFIG_SPD_EEPROM
532
533/*
534 * Define this to get more information about system configuration
535 */
536/* #define SC3_DEBUGOUT */
537#undef SC3_DEBUGOUT
538
539/***********************************************************************
540 * External peripheral base address
541 ***********************************************************************/
542
6d0f6bcf 543#define CONFIG_SYS_ISA_MEM_BASE_ADDRESS 0x78000000
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544/*
545