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i2c, multibus: get rid of CONFIG_I2C_MUX
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1/*
2 * (C) Copyright 2003
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3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * modified for TOP5200-series by Reinhard Meyer, www.emk-elektronik.de
6 *
7 * TOP5200 differences from IceCube:
8 * 1 FLASH Bank for one Chip only, up to 64 MB in 16 MB Banks
9 * bank switch controlled by TIMER_6(LSB) and TIMER_7(MSB) Pins
10 * 1 SDRAM/DDRAM Bank up to 256 MB
11 * local VPD I2C Bus is software driven and uses
12 * GPIO_WKUP_6 for SDA, GPIO_WKUP_7 for SCL
13 * FLASH is re-located at 0xff000000
14 * Internal regs are at 0xf0000000
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15 * Reset jumps to 0x00000100
16 *
17 * See file CREDITS for list of people who contributed to this
18 * project.
19 *
20 * This program is free software; you can redistribute it and/or
21 * modify it under the terms of the GNU General Public License as
22 * published by the Free Software Foundation; either version 2 of
23 * the License, or (at your option) any later version.
24 *
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
29 *
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 * MA 02111-1307 USA
34 */
35
36#ifndef __CONFIG_H
37#define __CONFIG_H
38
39/*
40 * High Level Configuration Options
41 * (easy to change)
42 */
43
cbd8a35c 44#define CONFIG_MPC5xxx 1 /* This is an MPC5xxx CPU */
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45#define CONFIG_MPC5200 1 /* More exactly a MPC5200 */
46#define CONFIG_TOP5200 1 /* ... on TOP5200 board - we need this for FEC.C */
47
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48/*
49 * allowed and functional CONFIG_SYS_TEXT_BASE values:
50 * 0xff000000 low boot at 0x00000100 (default board setting)
51 * 0xfff00000 high boot at 0xfff00100 (board needs modification)
52 * 0x00100000 RAM load and test
53 */
54#define CONFIG_SYS_TEXT_BASE 0xff000000
55
6d0f6bcf 56#define CONFIG_SYS_MPC5XXX_CLKIN 33000000 /* ... running at 33.000000MHz */
c1896004 57
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58#define CONFIG_HIGH_BATS 1 /* High BATs supported */
59
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60/*
61 * Serial console configuration
62 */
63#define CONFIG_PSC_CONSOLE 1 /* console is on PSC1 */
64#define CONFIG_BAUDRATE 9600 /* ... at 9600 bps */
6d0f6bcf 65#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
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66
67
4d13cbad 68#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
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69/*
70 * PCI Mapping:
71 * 0x40000000 - 0x4fffffff - PCI Memory
72 * 0x50000000 - 0x50ffffff - PCI IO Space
73 */
74# define CONFIG_PCI 1
75# define CONFIG_PCI_PNP 1
76# define CONFIG_PCI_SCAN_SHOW 1
f33fca22 77# define CONFIG_PCIAUTO_SKIP_HOST_BRIDGE 1
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78
79# define CONFIG_PCI_MEM_BUS 0x40000000
80# define CONFIG_PCI_MEM_PHYS CONFIG_PCI_MEM_BUS
81# define CONFIG_PCI_MEM_SIZE 0x10000000
82
83# define CONFIG_PCI_IO_BUS 0x50000000
84# define CONFIG_PCI_IO_PHYS CONFIG_PCI_IO_BUS
85# define CONFIG_PCI_IO_SIZE 0x01000000
86
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87#endif
88
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89/* USB */
90#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
91
92# define CONFIG_USB_OHCI
93# define CONFIG_USB_CLOCK 0x0001bbbb
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94# if defined (CONFIG_EVAL5200)
95# define CONFIG_USB_CONFIG 0x00005100
96# else
97# define CONFIG_USB_CONFIG 0x00001000
98# endif
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99# define CONFIG_DOS_PARTITION
100# define CONFIG_USB_STORAGE
101
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102#endif
103
104/* IDE */
105#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
4d13cbad 106# define CONFIG_DOS_PARTITION
d794cfef 107#endif
4d13cbad 108
4d13cbad 109
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110/*
111 * BOOTP options
112 */
113#define CONFIG_BOOTP_BOOTFILESIZE
114#define CONFIG_BOOTP_BOOTPATH
115#define CONFIG_BOOTP_GATEWAY
116#define CONFIG_BOOTP_HOSTNAME
117
118
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119/*
120 * Command line configuration.
121 */
122#include <config_cmd_default.h>
123
124#define CONFIG_CMD_ASKENV
125#define CONFIG_CMD_BEDBUG
126#define CONFIG_CMD_DATE
127#define CONFIG_CMD_DHCP
128#define CONFIG_CMD_EEPROM
129#define CONFIG_CMD_ELF
130#define CONFIG_CMD_I2C
131#define CONFIG_CMD_IMMAP
132#define CONFIG_CMD_MII
133#define CONFIG_CMD_REGINFO
4d13cbad 134
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135#if defined (CONFIG_EVAL5200) || defined (CONFIG_LITE5200)
136#define CONFIG_CMD_FAT
137#define CONFIG_CMD_IDE
138#define CONFIG_CMD_USB
139#define CONFIG_CMD_PCI
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140#endif
141
c1896004 142
d4ca31c4 143/*
4d13cbad 144 * MUST be low boot - HIGHBOOT is not supported anymore
d4ca31c4 145 */
14d0a02a 146#if (CONFIG_SYS_TEXT_BASE == 0xFF000000) /* Boot low with 16 MB Flash */
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147# define CONFIG_SYS_LOWBOOT 1
148# define CONFIG_SYS_LOWBOOT16 1
4d13cbad 149#else
14d0a02a 150# error "CONFIG_SYS_TEXT_BASE must be 0xff000000"
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151#endif
152
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153/*
154 * Autobooting
155 */
156#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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157
158#define CONFIG_PREBOOT "echo;" \
32bf3d14 159 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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160 "echo"
161
162#undef CONFIG_BOOTARGS
163
164#define CONFIG_EXTRA_ENV_SETTINGS \
165 "netdev=eth0\0" \
166 "nfsargs=setenv bootargs root=/dev/nfs rw " \
fe126d8b 167 "nfsroot=${serverip}:${rootpath}\0" \
d4ca31c4 168 "ramargs=setenv bootargs root=/dev/ram rw\0" \
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169 "addip=setenv bootargs ${bootargs} " \
170 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
171 ":${hostname}:${netdev}:off panic=1\0" \
d4ca31c4 172 "flash_nfs=run nfsargs addip;" \
fe126d8b 173 "bootm ${kernel_addr}\0" \
d4ca31c4 174 "flash_self=run ramargs addip;" \
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175 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
176 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
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177 "rootpath=/opt/eldk/ppc_82xx\0" \
178 "bootfile=/tftpboot/MPC5200/uImage\0" \
179 ""
180
181#define CONFIG_BOOTCOMMAND "run flash_self"
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182
183/*
184 * IPB Bus clocking configuration.
185 */
6d0f6bcf 186#undef CONFIG_SYS_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
d4ca31c4 187
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188/*
189 * I2C configuration
190 */
191/*
192 * EEPROM configuration
193 */
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194#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
195#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 70
c1896004 196
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197#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
198#define CONFIG_SYS_EEPROM_SIZE 0x2000
d4ca31c4 199
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200#define CONFIG_ENV_OVERWRITE
201#define CONFIG_MISC_INIT_R
d4ca31c4 202
ea818dbb 203#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
d4ca31c4 204
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205#if defined(CONFIG_SYS_I2C_SOFT)
206# define CONFIG_SYS_I2C
207# define CONFIG_SYS_I2C_SOFT_SPEED 100000
208# define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F
209/**/
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210# define SDA0 0x40
211# define SCL0 0x80
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212# define GPIOE0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c00))
213# define DDR0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c08))
214# define DVO0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c0c))
215# define DVI0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c20))
216# define ODE0 *((volatile uchar*)(CONFIG_SYS_MBAR+0x0c04))
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217# define I2C_INIT {GPIOE0|=(SDA0|SCL0);ODE0|=(SDA0|SCL0);DVO0|=(SDA0|SCL0);DDR0|=(SDA0|SCL0);}
218# define I2C_READ ((DVI0&SDA0)?1:0)
219# define I2C_SDA(x) {if(x)DVO0|=SDA0;else DVO0&=~SDA0;}
220# define I2C_SCL(x) {if(x)DVO0|=SCL0;else DVO0&=~SCL0;}
221# define I2C_DELAY {udelay(5);}
222# define I2C_ACTIVE {DDR0|=SDA0;}
223# define I2C_TRISTATE {DDR0&=~SDA0;}
ea818dbb 224
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225#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
226#define CONFIG_SYS_I2C_FACT_ADDR 0x57
c1896004 227#endif
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228
229#if defined (CONFIG_HARD_I2C)
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230# define CONFIG_SYS_I2C_MODULE 2 /* Select I2C module #1 or #2 */
231# define CONFIG_SYS_I2C_SPEED 100000 /* 100 kHz */
232# define CONFIG_SYS_I2C_SLAVE 0x7F
233#define CONFIG_SYS_I2C_EEPROM_ADDR 0x54
234#define CONFIG_SYS_I2C_FACT_ADDR 0x54
d4ca31c4 235#endif
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236
237/*
238 * Flash configuration, expect one 16 Megabyte Bank at most
239 */
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240#define CONFIG_SYS_FLASH_BASE 0xff000000
241#define CONFIG_SYS_FLASH_SIZE 0x01000000
242#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of memory banks */
243#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0)
c1896004 244
6d0f6bcf 245#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max num of sects on one chip */
c1896004 246
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247#define CONFIG_SYS_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
248#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
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249
250#undef CONFIG_FLASH_16BIT /* Flash is 8-bit */
251
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252/*
253 * DRAM configuration - will be read from VPD later... TODO!
254 */
255#if 0
256/* 2x MT48LC16M16A2 - 7.0 ns SDRAMS = 64 MegaBytes Total */
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257#define CONFIG_SYS_DRAM_DDR 0
258#define CONFIG_SYS_DRAM_EMODE 0
259#define CONFIG_SYS_DRAM_MODE 0x008D
260#define CONFIG_SYS_DRAM_CONTROL 0x514F0000
261#define CONFIG_SYS_DRAM_CONFIG1 0xC2233A00
262#define CONFIG_SYS_DRAM_CONFIG2 0x88B70004
263#define CONFIG_SYS_DRAM_TAP_DEL 0x08
264#define CONFIG_SYS_DRAM_RAM_SIZE 0x19
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265#endif
266#if 1
267/* 2x MT48LC16M16A2 - 7.5 ns SDRAMS = 64 MegaBytes Total */
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268#define CONFIG_SYS_DRAM_DDR 0
269#define CONFIG_SYS_DRAM_EMODE 0
270#define CONFIG_SYS_DRAM_MODE 0x00CD
271#define CONFIG_SYS_DRAM_CONTROL 0x514F0000
272#define CONFIG_SYS_DRAM_CONFIG1 0xD2333A00
273#define CONFIG_SYS_DRAM_CONFIG2 0x8AD70004
274#define CONFIG_SYS_DRAM_TAP_DEL 0x08
275#define CONFIG_SYS_DRAM_RAM_SIZE 0x19
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276#endif
277
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278/*
279 * Environment settings
280 */
bb1f8b4f 281#define CONFIG_ENV_IS_IN_EEPROM 1 /* turn on EEPROM env feature */
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282#define CONFIG_ENV_OFFSET 0x1000
283#define CONFIG_ENV_SIZE 0x0700
c1896004 284
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285/*
286 * VPD settings
287 */
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288#define CONFIG_SYS_FACT_OFFSET 0x1800
289#define CONFIG_SYS_FACT_SIZE 0x0800
d4ca31c4 290
c1896004 291/*
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292 * Memory map
293 *
294 * Warning!!! with the current BestComm Task, MBAR MUST BE set to 0xf0000000
c1896004 295 */
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296#define CONFIG_SYS_MBAR 0xf0000000 /* DO NOT CHANGE this */
297#define CONFIG_SYS_SDRAM_BASE 0x00000000
298#define CONFIG_SYS_DEFAULT_MBAR 0x80000000
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299
300/* Use SRAM until RAM will be available */
6d0f6bcf 301#define CONFIG_SYS_INIT_RAM_ADDR MPC5XXX_SRAM
553f0982 302#define CONFIG_SYS_INIT_RAM_SIZE MPC5XXX_SRAM_SIZE /* Size of used area in DPRAM */
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303
304
25ddd1fb 305#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf 306#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
c1896004 307
14d0a02a 308#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
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309#if (CONFIG_SYS_MONITOR_BASE < CONFIG_SYS_FLASH_BASE)
310# define CONFIG_SYS_RAMBOOT 1
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311#endif
312
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313#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
314#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
315#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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316
317/*
318 * Ethernet configuration
319 */
cbd8a35c 320#define CONFIG_MPC5xxx_FEC 1
86321fc1 321#define CONFIG_MPC5xxx_FEC_MII10 /* Workaround for FEC 100Mbit problem */
d4ca31c4 322#define CONFIG_PHY_ADDR 0x1f
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323#define CONFIG_PHY_TYPE 0x79c874
324/*
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325 * GPIO configuration:
326 * PSC1,2,3 predefined as UART
327 * PCI disabled
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328 * Ethernet 100 with MD
329 */
6d0f6bcf 330#define CONFIG_SYS_GPS_PORT_CONFIG 0x00058044
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331
332/*
333 * Miscellaneous configurable options
334 */
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335#define CONFIG_SYS_LONGHELP /* undef to save memory */
336#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
d794cfef 337#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 338# define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
c1896004 339#else
6d0f6bcf 340# define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
c1896004 341#endif
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342#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
343#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
344#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
c1896004 345
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346#define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
347#define CONFIG_SYS_MEMTEST_END 0x01f00000 /* 1 ... 31 MB in DRAM */
c1896004 348
6d0f6bcf 349#define CONFIG_SYS_LOAD_ADDR 0x200000 /* default load address */
c1896004 350
6d0f6bcf 351#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
c1896004 352
6d0f6bcf 353#define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC5xxx CPUs */
d794cfef 354#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 355# define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
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356#endif
357
358
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359#ifdef CONFIG_EVAL5200 /* M48T08 is available with the Evaluation board only */
360 #define CONFIG_RTC_MK48T59 1 /* use M48T08 on EVAL5200 */
361 #define RTC(reg) (0xf0010000+reg)
362 /* setup CS2 for M48T08. Must MAP 64kB */
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363 #define CONFIG_SYS_CS2_START RTC(0)
364 #define CONFIG_SYS_CS2_SIZE 0x10000
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365 /* setup CS2 configuration register: */
366 /* WaitP = 0, WaitX = 4, MX=0, AL=1, AA=1, CE=1 */
367 /* AS=2, DS=0, Bank=0, WTyp=0, WS=0, RS=0, WO=0, RO=0 */
6d0f6bcf 368 #define CONFIG_SYS_CS2_CFG 0x00047800
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369#else
370 #define CONFIG_RTC_MPC5200 1 /* use internal MPC5200 RTC */
371#endif
1c43771b 372
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373/*
374 * Various low-level settings
375 */
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376#define CONFIG_SYS_HID0_INIT HID0_ICE | HID0_ICFI
377#define CONFIG_SYS_HID0_FINAL HID0_ICE
c1896004 378
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379#define CONFIG_SYS_BOOTCS_START CONFIG_SYS_FLASH_BASE
380#define CONFIG_SYS_BOOTCS_SIZE CONFIG_SYS_FLASH_SIZE
381#define CONFIG_SYS_BOOTCS_CFG 0x00047801
382#define CONFIG_SYS_CS0_START CONFIG_SYS_FLASH_BASE
383#define CONFIG_SYS_CS0_SIZE CONFIG_SYS_FLASH_SIZE
c1896004 384
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385#define CONFIG_SYS_CS_BURST 0x00000000
386#define CONFIG_SYS_CS_DEADCYCLE 0x33333333
c1896004 387
6d0f6bcf 388#define CONFIG_SYS_RESET_ADDRESS 0x7f000000
c1896004 389
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390/*-----------------------------------------------------------------------
391 * IDE/ATA stuff Supports IDE harddisk
392 *-----------------------------------------------------------------------
393 */
394
395#undef CONFIG_IDE_8xx_PCCARD /* Use IDE with PC Card Adapter */
396
397#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
398#undef CONFIG_IDE_LED /* LED for ide not supported */
399
400#define CONFIG_IDE_RESET 1
401#define CONFIG_IDE_PREINIT
402
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403#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
404#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
4d13cbad 405
6d0f6bcf 406#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
4d13cbad 407
6d0f6bcf 408#define CONFIG_SYS_ATA_BASE_ADDR MPC5XXX_ATA
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409
410/* Offset for data I/O */
6d0f6bcf 411#define CONFIG_SYS_ATA_DATA_OFFSET (0x0060)
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412
413/* Offset for normal register accesses */
6d0f6bcf 414#define CONFIG_SYS_ATA_REG_OFFSET (CONFIG_SYS_ATA_DATA_OFFSET)
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415
416/* Offset for alternate registers */
6d0f6bcf 417#define CONFIG_SYS_ATA_ALT_OFFSET (0x005c)
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418
419/* Interval between registers */
6d0f6bcf 420#define CONFIG_SYS_ATA_STRIDE 4
4d13cbad 421
c1896004 422#endif /* __CONFIG_H */