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Add LSDMR (SDRAM Mode Register) definition on localbus
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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
66
67/*
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68 * 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.
ca43ba18 70 * Consider to inform your Linux IDE driver about the different addresses!
639221c7 71 * IDE_USES_ISA_EMULATION is only used if you define CONFIG_CMD_IDE!
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72 */
73#define IDE_USES_ISA_EMULATION
74
75/*-----------------------------------------------------------------------
76 * Serial Port
77 *----------------------------------------------------------------------*/
78#define CONFIG_SERIAL_MULTI
79#undef CONFIG_SERIAL_SOFTWARE_FIFO
80/*
81 * define CONFIG_POWER_DOWN if your cpu should power down while waiting for your input
82 * Works only, if you have enabled the CONFIG_SERIAL_SOFTWARE_FIFO feature
83 */
84#if CONFIG_SERIAL_SOFTWARE_FIFO
85 #define CONFIG_POWER_DOWN
86#endif
87
88/*
89 * define CONFIG_SYS_CLK_FREQ to your base crystal clock in Hz
90 */
91#define CONFIG_SYS_CLK_FREQ 33333333
92
93/*
94 * define CONFIG_BAUDRATE to the baudrate value you want to use as default
95 */
96#define CONFIG_BAUDRATE 115200
f11033e7 97#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
ca43ba18 98
1bbbbdd2 99#define CONFIG_PREBOOT "echo;" \
32bf3d14 100 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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101 "echo"
102
103#undef CONFIG_BOOTARGS
104
105#define CONFIG_EXTRA_ENV_SETTINGS \
106 "netdev=eth0\0" \
107 "nfsargs=setenv bootargs root=/dev/nfs rw " \
108 "nfsroot=${serverip}:${rootpath}\0" \
109 "ramargs=setenv bootargs root=/dev/ram rw\0" \
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110 "nand_args=setenv bootargs root=/dev/mtdblock5 rw" \
111 "rootfstype=jffs2\0" \
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112 "addip=setenv bootargs ${bootargs} " \
113 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
114 ":${hostname}:${netdev}:off panic=1\0" \
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115 "addcons=setenv bootargs ${bootargs} " \
116 "console=ttyS0,${baudrate}\0" \
117 "flash_nfs=run nfsargs addip addcons;" \
1bbbbdd2 118 "bootm ${kernel_addr}\0" \
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119 "flash_nand=run nand_args addip addcons;bootm ${kernel_addr}\0" \
120 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addcons;" \
121 "bootm\0" \
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122 "rootpath=/opt/eldk/ppc_4xx\0" \
123 "bootfile=/tftpboot/sc3/uImage\0" \
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124 "u-boot=/tftpboot/sc3/u-boot.bin\0" \
125 "setup=tftp 200000 /tftpboot/sc3/setup.img;autoscr 200000\0" \
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126 "kernel_addr=FFE08000\0" \
127 ""
128#undef CONFIG_BOOTCOMMAND
129
ca43ba18 130#define CONFIG_SILENT_CONSOLE 1 /* enable silent startup */
6d0f6bcf 131#define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev device */
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132
133#if 1 /* feel free to disable for development */
134#define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
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135#define CONFIG_AUTOBOOT_PROMPT \
136 "\nSC3 - booting... stop with ENTER\n"
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137#define CONFIG_AUTOBOOT_DELAY_STR "\r" /* 1st "password" */
138#define CONFIG_AUTOBOOT_DELAY_STR2 "\n" /* 1st "password" */
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139#endif
140
141/*
142 * define CONFIG_BOOTCOMMAND to the autoboot commands. They will running after
143 * the CONFIG_BOOTDELAY delay to boot your machine
144 */
145#define CONFIG_BOOTCOMMAND "bootp;dcache on;bootm"
146
147/*
148 * define CONFIG_BOOTARGS to the default kernel parameters. They will used if you don't
149 * set different values at the u-boot prompt
150 */
151#ifdef USE_VGA_GRAPHICS
152 #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp nfsroot=/tftpboot/solidcard3re"
153#else
154 #define CONFIG_BOOTARGS "console=ttyS0,115200 root=/dev/nfs rw ip=bootp"
155#endif
156/*
157 * Is the USB host controller assembled? If yes define CONFIG_ISP1161_PRESENT
158 * This reserves memory bank #4 for this purpose
159 */
160#undef CONFIG_ISP1161_PRESENT
161
162#undef CONFIG_LOADS_ECHO /* no echo on for serial download */
6d0f6bcf 163#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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164
165#define CONFIG_NET_MULTI
166/* #define CONFIG_EEPRO100_SROM_WRITE */
167/* #define CONFIG_SHOW_MAC */
168#define CONFIG_EEPRO100
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169
170#define CONFIG_PPC4xx_EMAC
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171#define CONFIG_MII 1 /* add 405GP MII PHY management */
172#define CONFIG_PHY_ADDR 1 /* the connected Phy defaults to address 1 */
173
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174/*
175 * BOOTP options
176 */
177#define CONFIG_BOOTP_BOOTFILESIZE
178#define CONFIG_BOOTP_BOOTPATH
179#define CONFIG_BOOTP_GATEWAY
180#define CONFIG_BOOTP_HOSTNAME
181
182
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183/*
184 * Command line configuration.
185 */
186#include <config_cmd_default.h>
187
188
189#define CONFIG_CMD_AUTOSCRIPT
190#define CONFIG_CMD_PCI
191#define CONFIG_CMD_IRQ
192#define CONFIG_CMD_NET
193#define CONFIG_CMD_MII
194#define CONFIG_CMD_PING
195#define CONFIG_CMD_NAND
196#define CONFIG_CMD_JFFS2
197#define CONFIG_CMD_I2C
198#define CONFIG_CMD_IDE
199#define CONFIG_CMD_DATE
200#define CONFIG_CMD_DHCP
201#define CONFIG_CMD_CACHE
202#define CONFIG_CMD_ELF
203
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204
205#undef CONFIG_WATCHDOG /* watchdog disabled */
206
207/*
208 * Miscellaneous configurable options
209 */
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210#define CONFIG_SYS_LONGHELP 1 /* undef to save memory */
211#define CONFIG_SYS_PROMPT "SC3> " /* Monitor Command Prompt */
212#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
ca43ba18 213
6d0f6bcf 214#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
ca43ba18 215
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216#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
217#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
ca43ba18 218
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219#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
220#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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221
222/*
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223 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
224 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
225 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
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226 * The Linux BASE_BAUD define should match this configuration.
227 * baseBaud = cpuClock/(uartDivisor*16)
6d0f6bcf 228 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
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229 * set Linux BASE_BAUD to 403200.
230 *
231 * Consider the OPB clock! If it get lower the BASE_BAUD must be lower to
232 * (see 405GP datasheet for descritpion)
233 */
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234#undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
235#undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
236#define CONFIG_SYS_BASE_BAUD 921600 /* internal clock */
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237
238/* The following table includes the supported baudrates */
6d0f6bcf 239#define CONFIG_SYS_BAUDRATE_TABLE \
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240 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
241
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242#define CONFIG_SYS_LOAD_ADDR 0x1000000 /* default load address */
243#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
ca43ba18 244
6d0f6bcf 245#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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246
247/*-----------------------------------------------------------------------
248 * IIC stuff
249 *-----------------------------------------------------------------------
250 */
251#define CONFIG_HARD_I2C /* I2C with hardware support */
f11033e7 252#undef CONFIG_SOFT_I2C /* I2C bit-banged */
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253
254#define I2C_INIT
255#define I2C_ACTIVE 0
256#define I2C_TRISTATE 0
257
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258#define CONFIG_SYS_I2C_SPEED 100000 /* use the standard 100kHz speed */
259#define CONFIG_SYS_I2C_SLAVE 0x7F /* mask valid bits */
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260
261#define CONFIG_RTC_DS1337
6d0f6bcf 262#define CONFIG_SYS_I2C_RTC_ADDR 0x68
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263
264/*-----------------------------------------------------------------------
265 * PCI stuff
266 *-----------------------------------------------------------------------
267 */
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268#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
269#define PCI_HOST_FORCE 1 /* configure as pci host */
270#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
ca43ba18 271
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272#define CONFIG_PCI /* include pci support */
273#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
274#define CONFIG_PCI_PNP /* do pci plug-and-play */
275 /* resource configuration */
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276
277/* If you want to see, whats connected to your PCI bus */
278/* #define CONFIG_PCI_SCAN_SHOW */
279
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280#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
281#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
282#define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
283#define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
284#define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
285#define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */
286#define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */
287#define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
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288
289/*-----------------------------------------------------------------------
290 * External peripheral base address
291 *-----------------------------------------------------------------------
292 */
46da1e96 293#if !defined(CONFIG_CMD_IDE)
ca43ba18 294
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295#undef CONFIG_IDE_LED /* no led for ide supported */
296#undef CONFIG_IDE_RESET /* no reset for ide supported */
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297
298/*-----------------------------------------------------------------------
299 * IDE/ATA stuff
300 *-----------------------------------------------------------------------
301 */
46da1e96 302#else
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303#define CONFIG_START_IDE 1 /* check, if use IDE */
304
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305#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
306#undef CONFIG_IDE_LED /* no led for ide supported */
307#undef CONFIG_IDE_RESET /* no reset for ide supported */
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308
309#define CONFIG_ATAPI
310#define CONFIG_DOS_PARTITION
6d0f6bcf 311#define CONFIG_SYS_IDE_MAXDEVICE (CONFIG_SYS_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
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312
313#ifndef IDE_USES_ISA_EMULATION
314
315/* New and faster access */
6d0f6bcf 316#define CONFIG_SYS_ATA_BASE_ADDR 0x7A000000 /* start of ISA IO emulation */
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317
318/* How many IDE busses are available */
6d0f6bcf 319#define CONFIG_SYS_IDE_MAXBUS 1
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320
321/* What IDE ports are available */
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322#define CONFIG_SYS_ATA_IDE0_OFFSET 0x000 /* first is available */
323#undef CONFIG_SYS_ATA_IDE1_OFFSET /* second not available */
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324
325/* access to the data port is calculated:
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326 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_DATA_OFFSET + 0 */
327#define CONFIG_SYS_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
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328
329/* access to the registers is calculated:
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330 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_REG_OFFSET + [1..7] */
331#define CONFIG_SYS_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
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332
333/* access to the alternate register is calculated:
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334 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_ALT_OFFSET + 6 */
335#define CONFIG_SYS_ATA_ALT_OFFSET 0x008 /* Offset for alternate registers */
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336
337#else /* IDE_USES_ISA_EMULATION */
338
6d0f6bcf 339#define CONFIG_SYS_ATA_BASE_ADDR 0x79000000 /* start of ISA IO emulation */
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340
341/* How many IDE busses are available */
6d0f6bcf 342#define CONFIG_SYS_IDE_MAXBUS 1
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343
344/* What IDE ports are available */
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345#define CONFIG_SYS_ATA_IDE0_OFFSET 0x01F0 /* first is available */
346#undef CONFIG_SYS_ATA_IDE1_OFFSET /* second not available */
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347
348/* access to the data port is calculated:
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349 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_DATA_OFFSET + 0 */
350#define CONFIG_SYS_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
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351
352/* access to the registers is calculated:
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353 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_REG_OFFSET + [1..7] */
354#define CONFIG_SYS_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
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355
356/* access to the alternate register is calculated:
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357 CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET + CONFIG_SYS_ATA_ALT_OFFSET + 6 */
358#define CONFIG_SYS_ATA_ALT_OFFSET 0x03F0 /* Offset for alternate registers */
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359
360#endif /* IDE_USES_ISA_EMULATION */
361
46da1e96 362#endif
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363
364/*
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365#define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000
366#define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000
367#define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000
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368*/
369
370/*-----------------------------------------------------------------------
371 * Start addresses for the final memory configuration
372 * (Set up by the startup code)
6d0f6bcf 373 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
ca43ba18 374 *
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375 * CONFIG_SYS_FLASH_BASE -> start address of internal flash
376 * CONFIG_SYS_MONITOR_BASE -> start of u-boot
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377 */
378#ifndef __ASSEMBLER__
379extern unsigned long offsetOfBigFlash;
380extern unsigned long offsetOfEnvironment;
381#endif
382
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383#define CONFIG_SYS_SDRAM_BASE 0x00000000
384#define CONFIG_SYS_FLASH_BASE 0xFFE00000
385#define CONFIG_SYS_MONITOR_BASE 0xFFFC0000 /* placed last 256k */
386#define CONFIG_SYS_MONITOR_LEN (224 * 1024) /* Reserve 224 KiB for Monitor */
387#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 KiB for malloc() */
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388
389/*
390 * For booting Linux, the board info and command line data
391 * have to be in the first 8 MiB of memory, since this is
392 * the maximum mapped by the Linux kernel during initialization.
393 */
6d0f6bcf 394#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
ca43ba18 395/*-----------------------------------------------------------------------
f11033e7 396 * FLASH organization ## FIXME: lookup in datasheet
ca43ba18 397 */
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398#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
399#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
ca43ba18 400
6d0f6bcf 401#define CONFIG_SYS_FLASH_CFI /* flash is CFI compat. */
00b1883a 402#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver*/
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403#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector */
404#define CONFIG_SYS_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/
405#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
406#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
407#define CONFIG_SYS_WRITE_SWAPPED_DATA /* swap Databytes between reading/writing */
ca43ba18 408
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409#define CONFIG_ENV_IS_IN_FLASH 1
410#ifdef CONFIG_ENV_IS_IN_FLASH
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411#define CONFIG_ENV_OFFSET 0x00000000 /* Offset of Environment Sector in bottom type */
412#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
413#define CONFIG_ENV_SECT_SIZE 0x4000 /* see README - env sector total size */
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414
415/* Address and size of Redundant Environment Sector */
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416#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
417#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
6d3e0107 418
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419#endif
420/* let us changing anything in our environment */
421#define CONFIG_ENV_OVERWRITE
422
423/*
424 * NAND-FLASH stuff
425 */
6d0f6bcf 426#define CONFIG_SYS_MAX_NAND_DEVICE 1
6d0f6bcf 427#define CONFIG_SYS_NAND_BASE 0x77D00000
ca43ba18 428
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429
430#define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */
431
51056dd9 432/* No command line, one static partition */
68d7d651 433#undef CONFIG_CMD_MTDPARTS
cb482072 434#define CONFIG_JFFS2_DEV "nand0"
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435#define CONFIG_JFFS2_PART_SIZE 0x01000000
436#define CONFIG_JFFS2_PART_OFFSET 0x00000000
cb482072 437
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438/*
439 * Init Memory Controller:
440 *
441 */
442
6d0f6bcf 443#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE
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444#define FLASH_BASE1_PRELIM 0
445
446/*-----------------------------------------------------------------------
447 * Some informations about the internal SRAM (OCM=On Chip Memory)
448 *
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449 * CONFIG_SYS_OCM_DATA_ADDR -> location
450 * CONFIG_SYS_OCM_DATA_SIZE -> size
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451*/
452
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453#define CONFIG_SYS_TEMP_STACK_OCM 1
454#define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
455#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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456
457/*-----------------------------------------------------------------------
458 * Definitions for initial stack pointer and data area (in DPRAM):
459 * - we are using the internal 4k SRAM, so we don't need data cache mapping
6d0f6bcf 460 * - internal SRAM (OCM=On Chip Memory) is placed to CONFIG_SYS_OCM_DATA_ADDR
ca43ba18 461 * - Stackpointer will be located to
6d0f6bcf 462 * (CONFIG_SYS_INIT_RAM_ADDR&0xFFFF0000) | (CONFIG_SYS_INIT_SP_OFFSET&0x0000FFFF)
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463 * in cpu/ppc4xx/start.S
464 */
465
6d0f6bcf 466#undef CONFIG_SYS_INIT_DCACHE_CS
ca43ba18 467/* Where the internal SRAM starts */
6d0f6bcf 468#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR
ca43ba18 469/* Where the internal SRAM ends (only offset) */
6d0f6bcf 470#define CONFIG_SYS_INIT_RAM_END 0x0F00
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471
472/*
473
6d0f6bcf 474 CONFIG_SYS_INIT_RAM_ADDR ------> ------------ lower address
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475 | |
476 | ^ |
477 | | |
478 | | Stack |
6d0f6bcf 479 CONFIG_SYS_GBL_DATA_OFFSET ----> ------------
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480 | |
481 | 64 Bytes |
482 | |
6d0f6bcf 483 CONFIG_SYS_INIT_RAM_END ------> ------------ higher address
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484 (offset only)
485
486*/
487/* size in bytes reserved for initial data */
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488#define CONFIG_SYS_GBL_DATA_SIZE 64
489#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
ca43ba18 490/* Initial value of the stack pointern in internal SRAM */
6d0f6bcf 491#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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492
493/*
494 * Internal Definitions
495 *
496 * Boot Flags
497 */
498#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
499#define BOOTFLAG_WARM 0x02 /* Software reboot */
500
501/* ################################################################################### */
502/* These defines will be used in cpu/ppc4xx/cpu_init.c to setup external chip selects */
503/* They are currently undefined cause they are initiaized in board/solidcard3/init.S */
504
505/* This chip select accesses the boot device */
506/* It depends on boot select switch if this device is 16 or 8 bit */
507
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508#undef CONFIG_SYS_EBC_PB0AP
509#undef CONFIG_SYS_EBC_PB0CR
ca43ba18 510
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511#undef CONFIG_SYS_EBC_PB1AP
512#undef CONFIG_SYS_EBC_PB1CR
ca43ba18 513
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514#undef CONFIG_SYS_EBC_PB2AP
515#undef CONFIG_SYS_EBC_PB2CR
ca43ba18 516
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517#undef CONFIG_SYS_EBC_PB3AP
518#undef CONFIG_SYS_EBC_PB3CR
ca43ba18 519
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520#undef CONFIG_SYS_EBC_PB4AP
521#undef CONFIG_SYS_EBC_PB4CR
ca43ba18 522
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523#undef CONFIG_SYS_EBC_PB5AP
524#undef CONFIG_SYS_EBC_PB5CR
ca43ba18 525
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526#undef CONFIG_SYS_EBC_PB6AP
527#undef CONFIG_SYS_EBC_PB6CR
ca43ba18 528
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529#undef CONFIG_SYS_EBC_PB7AP
530#undef CONFIG_SYS_EBC_PB7CR
ca43ba18 531
6d0f6bcf 532#define CONFIG_SYS_EBC_CFG 0xb84ef000
cb482072 533
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534#define CONFIG_SDRAM_BANK0 /* use the standard SDRAM initialization */
535#undef CONFIG_SPD_EEPROM
536
537/*
538 * Define this to get more information about system configuration
539 */
540/* #define SC3_DEBUGOUT */
541#undef SC3_DEBUGOUT
542
543/***********************************************************************
544 * External peripheral base address
545 ***********************************************************************/
546
6d0f6bcf 547#define CONFIG_SYS_ISA_MEM_BASE_ADDRESS 0x78000000
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548/*
549