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Blackfin: unify default I2C settings for ADI boards
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1/*
2 * (C) Copyright 2005-2006
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
4 *
5 * (C) Copyright 2003
6 * Martijn de Gouw, Prodrive B.V., martijn.de.gouw@prodrive.nl
7 *
8 * Configuation settings for the IXDPG425 board.
9 *
10 * See file CREDITS for list of people who contributed to this
11 * project.
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation; either version 2 of
16 * the License, or (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 * MA 02111-1307 USA
27 */
28
29#ifndef __CONFIG_H
30#define __CONFIG_H
31
32/*
33 * High Level Configuration Options
34 * (easy to change)
35 */
36#define CONFIG_IXP425 1 /* This is an IXP425 CPU */
37#define CONFIG_IXDPG425 1 /* on an IXDPG425 Board */
38
39#define CONFIG_DISPLAY_CPUINFO 1 /* display cpu info (and speed) */
40#define CONFIG_DISPLAY_BOARDINFO 1 /* display board info */
41
42/*
43 * Ethernet
44 */
45#define CONFIG_IXP4XX_NPE 1 /* include IXP4xx NPE support */
46#define CONFIG_NET_MULTI 1
47#define CONFIG_PHY_ADDR 5 /* NPE0 PHY address */
48#define CONFIG_HAS_ETH1
49#define CONFIG_PHY1_ADDR 4 /* NPE1 PHY address */
50#define CONFIG_MII 1 /* MII PHY management */
6d0f6bcf 51#define CONFIG_SYS_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */
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52
53/*
54 * Misc configuration options
55 */
56#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
57#define CONFIG_USE_IRQ 1 /* we need IRQ stuff for timer */
b54384e3 58#define CONFIG_TIMER_IRQ
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59
60#define CONFIG_BOOTCOUNT_LIMIT /* support for bootcount limit */
6d0f6bcf 61#define CONFIG_SYS_BOOTCOUNT_ADDR 0x60003000 /* inside qmrg sram */
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62
63#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
64#define CONFIG_SETUP_MEMORY_TAGS 1
65#define CONFIG_INITRD_TAG 1
66
67/*
68 * Size of malloc() pool
69 */
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70#define CONFIG_SYS_MALLOC_LEN (256 << 10)
71#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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72
73/* allow to overwrite serial and ethaddr */
74#define CONFIG_ENV_OVERWRITE
75
930590f3 76#define CONFIG_IXP_SERIAL
ba94a1bb 77#define CONFIG_BAUDRATE 115200
6d0f6bcf 78#define CONFIG_SYS_IXP425_CONSOLE IXP425_UART1 /* we use UART1 for console */
ba94a1bb 79
1d2c6bc4 80
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81/*
82 * BOOTP options
83 */
84#define CONFIG_BOOTP_BOOTFILESIZE
85#define CONFIG_BOOTP_BOOTPATH
86#define CONFIG_BOOTP_GATEWAY
87#define CONFIG_BOOTP_HOSTNAME
88
89
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90/*
91 * Command line configuration.
92 */
93#include <config_cmd_default.h>
94
95#define CONFIG_CMD_DHCP
96#define CONFIG_CMD_ELF
97#define CONFIG_CMD_NET
98#define CONFIG_CMD_MII
99#define CONFIG_CMD_PING
100
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101
102#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
103#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
104
105/*
106 * Miscellaneous configurable options
107 */
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108#define CONFIG_SYS_LONGHELP /* undef to save memory */
109#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
110#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
111#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
112#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
113#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
ba94a1bb 114
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115#define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
116#define CONFIG_SYS_MEMTEST_END 0x00800000 /* 4 ... 8 MB in DRAM */
117#define CONFIG_SYS_LOAD_ADDR 0x00010000 /* default load address */
ba94a1bb 118
6d0f6bcf 119#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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120
121 /* valid baudrates */
6d0f6bcf 122#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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123
124/*
125 * Stack sizes
126 *
127 * The stack sizes are set up in start.S using the settings below
128 */
129#define CONFIG_STACKSIZE (128*1024) /* regular stack */
130#ifdef CONFIG_USE_IRQ
131#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
132#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
133#endif
134
135/***************************************************************
136 * Platform/Board specific defines start here.
137 ***************************************************************/
138
139/*-----------------------------------------------------------------------
140 * Default configuration (environment varibles...)
141 *----------------------------------------------------------------------*/
142#define CONFIG_PREBOOT "echo;" \
32bf3d14 143 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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144 "echo"
145
146#undef CONFIG_BOOTARGS
147
148#define CONFIG_EXTRA_ENV_SETTINGS \
149 "netdev=eth0\0" \
150 "hostname=ixdpg425\0" \
151 "nfsargs=setenv bootargs root=/dev/nfs rw " \
152 "nfsroot=${serverip}:${rootpath}\0" \
153 "ramargs=setenv bootargs root=/dev/ram rw\0" \
154 "addip=setenv bootargs ${bootargs} " \
155 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
156 ":${hostname}:${netdev}:off panic=1\0" \
157 "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
158 "flash_nfs=run nfsargs addip addtty;" \
159 "bootm ${kernel_addr}\0" \
160 "flash_self=run ramargs addip addtty;" \
161 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
162 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
163 "bootm\0" \
164 "rootpath=/opt/eldk/arm\0" \
165 "bootfile=/tftpboot/ixdpg425/uImage\0" \
166 "kernel_addr=50080000\0" \
167 "ramdisk_addr=50200000\0" \
168 "load=tftp 100000 /tftpboot/ixdpg425/u-boot.bin\0" \
169 "update=protect off 50000000 5003ffff;era 50000000 5003ffff;" \
170 "cp.b 100000 50000000 40000;" \
171 "setenv filesize;saveenv\0" \
d8ab58b2 172 "upd=run load update\0" \
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173 ""
174#define CONFIG_BOOTCOMMAND "run net_nfs"
175
176/*
177 * Physical Memory Map
178 */
179#define CONFIG_NR_DRAM_BANKS 1 /* we have 2 banks of DRAM */
180#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
181#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
182
183#define PHYS_FLASH_1 0x50000000 /* Flash Bank #1 */
184#define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */
185#define PHYS_FLASH_BANK_SIZE 0x01000000 /* 16 MB Banks */
186#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors (x1) */
187
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188#define CONFIG_SYS_DRAM_BASE 0x00000000
189#define CONFIG_SYS_DRAM_SIZE 0x01000000
ba94a1bb 190
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191#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
192#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
193#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
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194
195/*
196 * Expansion bus settings
197 */
6d0f6bcf 198#define CONFIG_SYS_EXP_CS0 0xbcd23c42
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199
200/*
201 * SDRAM settings
202 */
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203#define CONFIG_SYS_SDR_CONFIG 0x18
204#define CONFIG_SYS_SDR_MODE_CONFIG 0x1
205#define CONFIG_SYS_SDRAM_REFRESH_CNT 0x81a
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206
207/*
208 * FLASH and environment organization
209 */
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210#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
211#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
ba94a1bb 212
6d0f6bcf 213#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */
00b1883a 214#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */
5a1aceb0 215#define CONFIG_ENV_IS_IN_FLASH 1
ba94a1bb 216
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217#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
218#define CONFIG_SYS_FLASH_PROTECTION 1 /* hardware flash protection */
ba94a1bb 219
6d0f6bcf 220#define CONFIG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1 }
ba94a1bb 221
6d0f6bcf 222#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT /* no byte writes on IXP4xx */
ba94a1bb 223
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224#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
225#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
ba94a1bb 226
6d0f6bcf 227#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
ba94a1bb 228
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229#define CONFIG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
230#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x40000)
231#define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
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232
233/* Address and size of Redundant Environment Sector */
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234#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
235#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
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236
237/*
238 * GPIO settings
239 */
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240#define CONFIG_SYS_GPIO_PCI_INTA_N 6
241#define CONFIG_SYS_GPIO_PCI_INTB_N 7
242#define CONFIG_SYS_GPIO_SWITCH_RESET_N 8
243#define CONFIG_SYS_GPIO_SLIC_RESET_N 13
244#define CONFIG_SYS_GPIO_PCI_CLK 14
245#define CONFIG_SYS_GPIO_EXTBUS_CLK 15
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246
247/*
248 * Cache Configuration
249 */
6d0f6bcf 250#define CONFIG_SYS_CACHELINE_SIZE 32
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251
252#endif /* __CONFIG_H */