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d4ca31c4 1/*
7c803be2 2 * (C) Copyright 2000-2008
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3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
3765b3e7 5 * SPDX-License-Identifier: GPL-2.0+
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6 */
7
8/*
9 * board/config.h - configuration options, board specific
10 */
11
12#ifndef __CONFIG_H
13#define __CONFIG_H
14
15/*
16 * High Level Configuration Options
17 * (easy to change)
18 */
19
20#define CONFIG_MPC866 1 /* This is a MPC866 CPU */
21#define CONFIG_TQM866M 1 /* ...on a TQM8xxM module */
22
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23#define CONFIG_SYS_TEXT_BASE 0x40000000
24
66ca92a5 25#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
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26#define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
27#define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
66ca92a5 28#define CONFIG_8xx_CPUCLK_DEFAULT 50000000 /* 50 MHz - CPU default clock */
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29 /* (it will be used if there is no */
30 /* 'cpuclk' variable with valid value) */
d4ca31c4 31
6d0f6bcf 32#undef CONFIG_SYS_MEASURE_CPUCLK /* Measure real cpu clock */
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33 /* (function measure_gclk() */
34 /* will be called) */
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35#ifdef CONFIG_SYS_MEASURE_CPUCLK
36#define CONFIG_SYS_8XX_XIN 10000000 /* measure_gclk() needs this */
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37#endif
38
c178d3da 39#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
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40#define CONFIG_SYS_SMC_RXBUFLEN 128
41#define CONFIG_SYS_MAXIDLE 10
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42#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
43
c178d3da 44#define CONFIG_BOOTCOUNT_LIMIT
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45
46#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
47
48#define CONFIG_BOARD_TYPES 1 /* support board types */
49
c178d3da 50#define CONFIG_PREBOOT "echo;" \
32bf3d14 51 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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52 "echo"
53
54#undef CONFIG_BOOTARGS
55
c178d3da 56#define CONFIG_EXTRA_ENV_SETTINGS \
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57 "netdev=eth0\0" \
58 "nfsargs=setenv bootargs root=/dev/nfs rw " \
fe126d8b 59 "nfsroot=${serverip}:${rootpath}\0" \
d4ca31c4 60 "ramargs=setenv bootargs root=/dev/ram rw\0" \
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61 "addip=setenv bootargs ${bootargs} " \
62 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
63 ":${hostname}:${netdev}:off panic=1\0" \
d4ca31c4 64 "flash_nfs=run nfsargs addip;" \
fe126d8b 65 "bootm ${kernel_addr}\0" \
d4ca31c4 66 "flash_self=run ramargs addip;" \
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67 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
68 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
d4ca31c4 69 "rootpath=/opt/eldk/ppc_8xx\0" \
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70 "hostname=TQM866M\0" \
71 "bootfile=TQM866M/uImage\0" \
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72 "fdt_addr=400C0000\0" \
73 "kernel_addr=40100000\0" \
eb6da805 74 "ramdisk_addr=40280000\0" \
29f8f58f 75 "u-boot=TQM866M/u-image.bin\0" \
9ef57bbe 76 "load=tftp 200000 ${u-boot}\0" \
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77 "update=prot off 40000000 +${filesize};" \
78 "era 40000000 +${filesize};" \
9ef57bbe 79 "cp.b 200000 40000000 ${filesize};" \
29f8f58f 80 "sete filesize;save\0" \
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81 ""
82#define CONFIG_BOOTCOMMAND "run flash_self"
83
84#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf 85#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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86
87#undef CONFIG_WATCHDOG /* watchdog disabled */
88
c178d3da 89#define CONFIG_STATUS_LED 1 /* Status LED enabled */
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90
91#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
92
93/* enable I2C and select the hardware/software driver */
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94#define CONFIG_SYS_I2C
95#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
96#define CONFIG_SYS_I2C_SOFT_SPEED 93000 /* 93 kHz is supposed to work */
97#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
d4ca31c4 98
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99/*
100 * Software (bit-bang) I2C driver configuration
101 */
102#define PB_SCL 0x00000020 /* PB 26 */
103#define PB_SDA 0x00000010 /* PB 27 */
104
105#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
106#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
107#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
108#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
109#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
c178d3da 110 else immr->im_cpm.cp_pbdat &= ~PB_SDA
d4ca31c4 111#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
c178d3da 112 else immr->im_cpm.cp_pbdat &= ~PB_SCL
d4ca31c4 113#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
d4ca31c4 114
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115#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C256 */
116#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
117#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
118#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
d4ca31c4 119
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120/*
121 * BOOTP options
122 */
123#define CONFIG_BOOTP_SUBNETMASK
124#define CONFIG_BOOTP_GATEWAY
125#define CONFIG_BOOTP_HOSTNAME
126#define CONFIG_BOOTP_BOOTPATH
127#define CONFIG_BOOTP_BOOTFILESIZE
128
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129
130#define CONFIG_MAC_PARTITION
131#define CONFIG_DOS_PARTITION
132
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133#undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */
134
135#define CONFIG_TIMESTAMP /* but print image timestmps */
d4ca31c4 136
d4ca31c4 137
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138/*
139 * Command line configuration.
140 */
141#include <config_cmd_default.h>
142
143#define CONFIG_CMD_ASKENV
144#define CONFIG_CMD_DHCP
145#define CONFIG_CMD_EEPROM
29f8f58f 146#define CONFIG_CMD_ELF
9a63b7f4 147#define CONFIG_CMD_EXT2
2694690e 148#define CONFIG_CMD_IDE
29f8f58f 149#define CONFIG_CMD_JFFS2
2694690e 150#define CONFIG_CMD_NFS
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151#define CONFIG_CMD_SNTP
152
153
154#define CONFIG_NETCONSOLE
2694690e 155
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156
157/*
158 * Miscellaneous configurable options
159 */
6d0f6bcf 160#define CONFIG_SYS_LONGHELP /* undef to save memory */
d4ca31c4 161
2751a95a 162#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
6d0f6bcf 163#define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
d4ca31c4 164
2694690e 165#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 166#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
d4ca31c4 167#else
6d0f6bcf 168#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
d4ca31c4 169#endif
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170#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
171#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
172#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
d4ca31c4 173
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174#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
175#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
d4ca31c4 176
6d0f6bcf 177#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
d4ca31c4 178
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179/*
180 * Low Level Configuration Settings
181 * (address mappings, register initial values, etc.)
182 * You should know what you are doing if you make changes here.
183 */
184/*-----------------------------------------------------------------------
185 * Internal Memory Mapped Register
186 */
6d0f6bcf 187#define CONFIG_SYS_IMMR 0xFFF00000
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188
189/*-----------------------------------------------------------------------
190 * Definitions for initial stack pointer and data area (in DPRAM)
191 */
6d0f6bcf 192#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982 193#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
25ddd1fb 194#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf 195#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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196
197/*-----------------------------------------------------------------------
198 * Start addresses for the final memory configuration
199 * (Set up by the startup code)
6d0f6bcf 200 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
d4ca31c4 201 */
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202#define CONFIG_SYS_SDRAM_BASE 0x00000000
203#define CONFIG_SYS_FLASH_BASE 0x40000000
204#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
205#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
206#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
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207
208/*
209 * For booting Linux, the board info and command line data
210 * have to be in the first 8 MB of memory, since this is
211 * the maximum mapped by the Linux kernel during initialization.
212 */
6d0f6bcf 213#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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214
215/*-----------------------------------------------------------------------
216 * FLASH organization
217 */
e318d9e9 218/* use CFI flash driver */
6d0f6bcf 219#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
00b1883a 220#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
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221#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
222#define CONFIG_SYS_FLASH_EMPTY_INFO
223#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
224#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
225#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
d4ca31c4 226
5a1aceb0 227#define CONFIG_ENV_IS_IN_FLASH 1
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228#define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
229#define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
230#define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
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231
232/* Address and size of Redundant Environment Sector */
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233#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
234#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
d4ca31c4 235
6d0f6bcf 236#define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
67c31036 237
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238#define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
239
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240/*-----------------------------------------------------------------------
241 * Dynamic MTD partition support
242 */
68d7d651 243#define CONFIG_CMD_MTDPARTS
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244#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
245#define CONFIG_FLASH_CFI_MTD
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246#define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
247
248#define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
249 "128k(dtb)," \
250 "1920k(kernel)," \
251 "5632(rootfs)," \
cd82919e 252 "4m(data)"
29f8f58f 253
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254/*-----------------------------------------------------------------------
255 * Hardware Information Block
256 */
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257#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
258#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
259#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
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260
261/*-----------------------------------------------------------------------
262 * Cache Configuration
263 */
6d0f6bcf 264#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
2694690e 265#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 266#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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267#endif
268
269/*-----------------------------------------------------------------------
270 * SYPCR - System Protection Control 11-9
271 * SYPCR can only be written once after reset!
272 *-----------------------------------------------------------------------
273 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
274 */
275#if defined(CONFIG_WATCHDOG)
6d0f6bcf 276#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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277 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
278#else
6d0f6bcf 279#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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280#endif
281
282/*-----------------------------------------------------------------------
283 * SIUMCR - SIU Module Configuration 11-6
284 *-----------------------------------------------------------------------
285 * PCMCIA config., multi-function pin tri-state
286 */
c178d3da 287#ifndef CONFIG_CAN_DRIVER
6d0f6bcf 288#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
d4ca31c4 289#else /* we must activate GPL5 in the SIUMCR for CAN */
6d0f6bcf 290#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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291#endif /* CONFIG_CAN_DRIVER */
292
293/*-----------------------------------------------------------------------
294 * TBSCR - Time Base Status and Control 11-26
295 *-----------------------------------------------------------------------
296 * Clear Reference Interrupt Status, Timebase freezing enabled
297 */
6d0f6bcf 298#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
d4ca31c4 299
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300/*-----------------------------------------------------------------------
301 * PISCR - Periodic Interrupt Status and Control 11-31
302 *-----------------------------------------------------------------------
303 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
304 */
6d0f6bcf 305#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
d4ca31c4 306
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307/*-----------------------------------------------------------------------
308 * SCCR - System Clock and reset Control Register 15-27
309 *-----------------------------------------------------------------------
310 * Set clock output, timebase and RTC source and divider,
311 * power management and some other internal clocks
312 */
313#define SCCR_MASK SCCR_EBDF11
6d0f6bcf 314#define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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315 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
316 SCCR_DFALCD00)
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317
318/*-----------------------------------------------------------------------
319 * PCMCIA stuff
320 *-----------------------------------------------------------------------
321 *
322 */
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323#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
324#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
325#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
326#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
327#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
328#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
329#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
330#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
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331
332/*-----------------------------------------------------------------------
333 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
334 *-----------------------------------------------------------------------
335 */
336
8d1165e1 337#define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
c178d3da 338#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
d4ca31c4 339
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340#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
341#undef CONFIG_IDE_LED /* LED for ide not supported */
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342#undef CONFIG_IDE_RESET /* reset for ide not supported */
343
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344#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
345#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
d4ca31c4 346
6d0f6bcf 347#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
d4ca31c4 348
6d0f6bcf 349#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
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350
351/* Offset for data I/O */
6d0f6bcf 352#define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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353
354/* Offset for normal register accesses */
6d0f6bcf 355#define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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356
357/* Offset for alternate registers */
6d0f6bcf 358#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
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359
360/*-----------------------------------------------------------------------
361 *
362 *-----------------------------------------------------------------------
363 *
364 */
6d0f6bcf 365#define CONFIG_SYS_DER 0
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366
367/*
368 * Init Memory Controller:
369 *
370 * BR0/1 and OR0/1 (FLASH)
371 */
372
373#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
374#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
375
376/* used to re-map FLASH both when starting from SRAM or FLASH:
377 * restrict access enough to keep SRAM working (if any)
378 * but not too much to meddle with FLASH accesses
379 */
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380#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
381#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
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382
383/*
c178d3da 384 * FLASH timing: Default value of OR0 after reset
d4ca31c4 385 */
6d0f6bcf 386#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
c178d3da 387 OR_SCY_15_CLK | OR_TRLX)
d4ca31c4 388
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389#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
390#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
391#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
d4ca31c4 392
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393#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
394#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
395#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
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396
397/*
398 * BR2/3 and OR2/3 (SDRAM)
399 *
400 */
401#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
402#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
c178d3da 403#define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
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404
405/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
6d0f6bcf 406#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
d4ca31c4 407
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408#define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
409#define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
d4ca31c4 410
c178d3da 411#ifndef CONFIG_CAN_DRIVER
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412#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
413#define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
d4ca31c4 414#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
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415#define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
416#define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
417#define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
418#define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
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419 BR_PS_8 | BR_MS_UPMB | BR_V )
420#endif /* CONFIG_CAN_DRIVER */
421
c178d3da 422/*
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423 * 4096 Rows from SDRAM example configuration
424 * 1000 factor s -> ms
425 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
426 * 4 Number of refresh cycles per period
427 * 64 Refresh cycle in ms per number of rows
428 */
6d0f6bcf 429#define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
c178d3da 430
d4ca31c4 431/*
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432 * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
433 *
434 * CPUclock(MHz) * 31.2
6d0f6bcf 435 * CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0
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436 * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
437 *
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438 * CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us
439 * CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us
440 * CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us
441 * CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us
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442 *
443 * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
444 * be met also in the default configuration, i.e. if environment variable
445 * 'cpuclk' is not set.
d4ca31c4 446 */
6d0f6bcf 447#define CONFIG_SYS_MAMR_PTA 97
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448
449/*
d43e489b 450 * Memory Periodic Timer Prescaler Register (MPTPR) values.
d4ca31c4 451 */
d43e489b 452/* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
6d0f6bcf 453#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
d43e489b 454/* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
6d0f6bcf 455#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
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456
457/*
458 * MAMR settings for SDRAM
459 */
460
461/* 8 column SDRAM */
6d0f6bcf 462#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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463 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
464 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
465/* 9 column SDRAM */
6d0f6bcf 466#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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467 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
468 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
c178d3da 469/* 10 column SDRAM */
6d0f6bcf 470#define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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471 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
472 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
d4ca31c4 473
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474#define CONFIG_SCC1_ENET
475#define CONFIG_FEC_ENET
48690d80 476#define CONFIG_ETHPRIME "SCC"
d4ca31c4 477
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478/* pass open firmware flat tree */
479#define CONFIG_OF_LIBFDT 1
480#define CONFIG_OF_BOARD_SETUP 1
481#define CONFIG_HWCONFIG 1
482
d4ca31c4 483#endif /* __CONFIG_H */