]> git.ipfire.org Git - people/ms/u-boot.git/blame - include/configs/TQM850L.h
i2c, multibus: get rid of CONFIG_I2C_MUX
[people/ms/u-boot.git] / include / configs / TQM850L.h
CommitLineData
f4675560 1/*
29f8f58f 2 * (C) Copyright 2000-2008
f4675560
WD
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * board/config.h - configuration options, board specific
26 */
27
28#ifndef __CONFIG_H
29#define __CONFIG_H
30
31/*
32 * High Level Configuration Options
33 * (easy to change)
34 */
35
36#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
37#define CONFIG_TQM850L 1 /* ...on a TQM8xxL module */
38
2ae18241
WD
39#define CONFIG_SYS_TEXT_BASE 0x40000000
40
f4675560 41#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
3cb7a480
WD
42#define CONFIG_SYS_SMC_RXBUFLEN 128
43#define CONFIG_SYS_MAXIDLE 10
f4675560 44#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
f4675560 45
ae3af05e
WD
46#define CONFIG_BOOTCOUNT_LIMIT
47
48#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
f4675560
WD
49
50#define CONFIG_BOARD_TYPES 1 /* support board types */
51
32bf3d14 52#define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
f4675560
WD
53
54#undef CONFIG_BOOTARGS
6aff3115
WD
55
56#define CONFIG_EXTRA_ENV_SETTINGS \
ae3af05e 57 "netdev=eth0\0" \
6aff3115 58 "nfsargs=setenv bootargs root=/dev/nfs rw " \
fe126d8b 59 "nfsroot=${serverip}:${rootpath}\0" \
6aff3115 60 "ramargs=setenv bootargs root=/dev/ram rw\0" \
fe126d8b
WD
61 "addip=setenv bootargs ${bootargs} " \
62 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
63 ":${hostname}:${netdev}:off panic=1\0" \
6aff3115 64 "flash_nfs=run nfsargs addip;" \
fe126d8b 65 "bootm ${kernel_addr}\0" \
6aff3115 66 "flash_self=run ramargs addip;" \
fe126d8b
WD
67 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
68 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
6aff3115 69 "rootpath=/opt/eldk/ppc_8xx\0" \
29f8f58f
WD
70 "hostname=TQM850L\0" \
71 "bootfile=TQM850L/uImage\0" \
eb6da805
WD
72 "fdt_addr=40040000\0" \
73 "kernel_addr=40060000\0" \
74 "ramdisk_addr=40200000\0" \
29f8f58f
WD
75 "u-boot=TQM850L/u-image.bin\0" \
76 "load=tftp 200000 ${u-boot}\0" \
77 "update=prot off 40000000 +${filesize};" \
78 "era 40000000 +${filesize};" \
79 "cp.b 200000 40000000 ${filesize};" \
80 "sete filesize;save\0" \
6aff3115
WD
81 ""
82#define CONFIG_BOOTCOMMAND "run flash_self"
f4675560
WD
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 */
f4675560
WD
86
87#undef CONFIG_WATCHDOG /* watchdog disabled */
88
89#define CONFIG_STATUS_LED 1 /* Status LED enabled */
90
91#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
92
37d4bb70
JL
93/*
94 * BOOTP options
95 */
96#define CONFIG_BOOTP_SUBNETMASK
97#define CONFIG_BOOTP_GATEWAY
98#define CONFIG_BOOTP_HOSTNAME
99#define CONFIG_BOOTP_BOOTPATH
100#define CONFIG_BOOTP_BOOTFILESIZE
101
f4675560
WD
102
103#define CONFIG_MAC_PARTITION
104#define CONFIG_DOS_PARTITION
105
106#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
107
2694690e
JL
108/*
109 * Command line configuration.
110 */
111#include <config_cmd_default.h>
112
113#define CONFIG_CMD_ASKENV
114#define CONFIG_CMD_DATE
115#define CONFIG_CMD_DHCP
29f8f58f 116#define CONFIG_CMD_ELF
9a63b7f4 117#define CONFIG_CMD_EXT2
2694690e 118#define CONFIG_CMD_IDE
29f8f58f 119#define CONFIG_CMD_JFFS2
2694690e
JL
120#define CONFIG_CMD_NFS
121#define CONFIG_CMD_SNTP
f4675560 122
f4675560 123
29f8f58f
WD
124#define CONFIG_NETCONSOLE
125
f4675560
WD
126/*
127 * Miscellaneous configurable options
128 */
6d0f6bcf
JCPV
129#define CONFIG_SYS_LONGHELP /* undef to save memory */
130#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
6aff3115 131
2751a95a 132#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
6d0f6bcf 133#define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
6aff3115 134
2694690e 135#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 136#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
f4675560 137#else
6d0f6bcf 138#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
f4675560 139#endif
6d0f6bcf
JCPV
140#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
141#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
142#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
f4675560 143
6d0f6bcf
JCPV
144#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
145#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
f4675560 146
6d0f6bcf 147#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
f4675560 148
6d0f6bcf 149#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
f4675560 150
f4675560
WD
151/*
152 * Low Level Configuration Settings
153 * (address mappings, register initial values, etc.)
154 * You should know what you are doing if you make changes here.
155 */
156/*-----------------------------------------------------------------------
157 * Internal Memory Mapped Register
158 */
6d0f6bcf 159#define CONFIG_SYS_IMMR 0xFFF00000
f4675560
WD
160
161/*-----------------------------------------------------------------------
162 * Definitions for initial stack pointer and data area (in DPRAM)
163 */
6d0f6bcf 164#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982 165#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
25ddd1fb 166#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf 167#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
f4675560
WD
168
169/*-----------------------------------------------------------------------
170 * Start addresses for the final memory configuration
171 * (Set up by the startup code)
6d0f6bcf 172 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
f4675560 173 */
6d0f6bcf
JCPV
174#define CONFIG_SYS_SDRAM_BASE 0x00000000
175#define CONFIG_SYS_FLASH_BASE 0x40000000
176#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
177#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
178#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
f4675560
WD
179
180/*
181 * For booting Linux, the board info and command line data
182 * have to be in the first 8 MB of memory, since this is
183 * the maximum mapped by the Linux kernel during initialization.
184 */
6d0f6bcf 185#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
f4675560
WD
186
187/*-----------------------------------------------------------------------
188 * FLASH organization
189 */
f4675560 190
e318d9e9 191/* use CFI flash driver */
6d0f6bcf 192#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
00b1883a 193#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
6d0f6bcf
JCPV
194#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
195#define CONFIG_SYS_FLASH_EMPTY_INFO
196#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
197#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
198#define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
f4675560 199
5a1aceb0 200#define CONFIG_ENV_IS_IN_FLASH 1
0e8d1586
JCPV
201#define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
202#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
f4675560
WD
203
204/* Address and size of Redundant Environment Sector */
0e8d1586
JCPV
205#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SIZE)
206#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
f4675560 207
6d0f6bcf 208#define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
67c31036 209
7c803be2
WD
210#define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
211
29f8f58f
WD
212/*-----------------------------------------------------------------------
213 * Dynamic MTD partition support
214 */
68d7d651 215#define CONFIG_CMD_MTDPARTS
942556a9
SR
216#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
217#define CONFIG_FLASH_CFI_MTD
29f8f58f
WD
218#define MTDIDS_DEFAULT "nor0=TQM8xxL-0"
219
220#define MTDPARTS_DEFAULT "mtdparts=TQM8xxL-0:256k(u-boot)," \
221 "128k(dtb)," \
222 "1664k(kernel)," \
223 "2m(rootfs)," \
cd82919e 224 "4m(data)"
29f8f58f 225
f4675560
WD
226/*-----------------------------------------------------------------------
227 * Hardware Information Block
228 */
6d0f6bcf
JCPV
229#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
230#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
231#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
f4675560
WD
232
233/*-----------------------------------------------------------------------
234 * Cache Configuration
235 */
6d0f6bcf 236#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
2694690e 237#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 238#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
f4675560
WD
239#endif
240
241/*-----------------------------------------------------------------------
242 * SYPCR - System Protection Control 11-9
243 * SYPCR can only be written once after reset!
244 *-----------------------------------------------------------------------
245 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
246 */
247#if defined(CONFIG_WATCHDOG)
6d0f6bcf 248#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
f4675560
WD
249 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
250#else
6d0f6bcf 251#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
f4675560
WD
252#endif
253
254/*-----------------------------------------------------------------------
255 * SIUMCR - SIU Module Configuration 11-6
256 *-----------------------------------------------------------------------
257 * PCMCIA config., multi-function pin tri-state
258 */
259#ifndef CONFIG_CAN_DRIVER
6d0f6bcf 260#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
f4675560 261#else /* we must activate GPL5 in the SIUMCR for CAN */
6d0f6bcf 262#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
f4675560
WD
263#endif /* CONFIG_CAN_DRIVER */
264
265/*-----------------------------------------------------------------------
266 * TBSCR - Time Base Status and Control 11-26
267 *-----------------------------------------------------------------------
268 * Clear Reference Interrupt Status, Timebase freezing enabled
269 */
6d0f6bcf 270#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
f4675560
WD
271
272/*-----------------------------------------------------------------------
273 * RTCSC - Real-Time Clock Status and Control Register 11-27
274 *-----------------------------------------------------------------------
275 */
6d0f6bcf 276#define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
f4675560
WD
277
278/*-----------------------------------------------------------------------
279 * PISCR - Periodic Interrupt Status and Control 11-31
280 *-----------------------------------------------------------------------
281 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
282 */
6d0f6bcf 283#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
f4675560
WD
284
285/*-----------------------------------------------------------------------
286 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
287 *-----------------------------------------------------------------------
288 * Reset PLL lock status sticky bit, timer expired status bit and timer
289 * interrupt status bit
f4675560 290 */
6d0f6bcf 291#define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
f4675560
WD
292
293/*-----------------------------------------------------------------------
294 * SCCR - System Clock and reset Control Register 15-27
295 *-----------------------------------------------------------------------
296 * Set clock output, timebase and RTC source and divider,
297 * power management and some other internal clocks
298 */
299#define SCCR_MASK SCCR_EBDF11
6d0f6bcf 300#define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
f4675560
WD
301 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
302 SCCR_DFALCD00)
f4675560
WD
303
304/*-----------------------------------------------------------------------
305 * PCMCIA stuff
306 *-----------------------------------------------------------------------
307 *
308 */
6d0f6bcf
JCPV
309#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
310#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
311#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
312#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
313#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
314#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
315#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
316#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
f4675560
WD
317
318/*-----------------------------------------------------------------------
319 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
320 *-----------------------------------------------------------------------
321 */
322
8d1165e1 323#define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
f4675560
WD
324#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
325
326#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
327#undef CONFIG_IDE_LED /* LED for ide not supported */
328#undef CONFIG_IDE_RESET /* reset for ide not supported */
329
6d0f6bcf
JCPV
330#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
331#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
f4675560 332
6d0f6bcf 333#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
f4675560 334
6d0f6bcf 335#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
f4675560
WD
336
337/* Offset for data I/O */
6d0f6bcf 338#define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
f4675560
WD
339
340/* Offset for normal register accesses */
6d0f6bcf 341#define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
f4675560
WD
342
343/* Offset for alternate registers */
6d0f6bcf 344#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
f4675560 345
f4675560
WD
346/*-----------------------------------------------------------------------
347 *
348 *-----------------------------------------------------------------------
349 *
350 */
6d0f6bcf 351#define CONFIG_SYS_DER 0
f4675560
WD
352
353/*
354 * Init Memory Controller:
355 *
356 * BR0/1 and OR0/1 (FLASH)
357 */
358
359#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
360#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
361
362/* used to re-map FLASH both when starting from SRAM or FLASH:
363 * restrict access enough to keep SRAM working (if any)
364 * but not too much to meddle with FLASH accesses
365 */
6d0f6bcf
JCPV
366#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
367#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
f4675560
WD
368
369/*
370 * FLASH timing:
371 */
6d0f6bcf 372#define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
f4675560 373 OR_SCY_3_CLK | OR_EHTR | OR_BI)
f4675560 374
6d0f6bcf
JCPV
375#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
376#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
377#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
f4675560 378
6d0f6bcf
JCPV
379#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
380#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
381#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
f4675560
WD
382
383/*
384 * BR2/3 and OR2/3 (SDRAM)
385 *
386 */
387#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
388#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
389#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
390
391/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
6d0f6bcf 392#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
f4675560 393
6d0f6bcf
JCPV
394#define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
395#define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
f4675560
WD
396
397#ifndef CONFIG_CAN_DRIVER
6d0f6bcf
JCPV
398#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
399#define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
f4675560 400#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
6d0f6bcf
JCPV
401#define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
402#define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
403#define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
404#define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
f4675560
WD
405 BR_PS_8 | BR_MS_UPMB | BR_V )
406#endif /* CONFIG_CAN_DRIVER */
407
408/*
409 * Memory Periodic Timer Prescaler
410 *
411 * The Divider for PTA (refresh timer) configuration is based on an
412 * example SDRAM configuration (64 MBit, one bank). The adjustment to
413 * the number of chip selects (NCS) and the actually needed refresh
414 * rate is done by setting MPTPR.
415 *
416 * PTA is calculated from
417 * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
418 *
419 * gclk CPU clock (not bus clock!)
420 * Trefresh Refresh cycle * 4 (four word bursts used)
421 *
422 * 4096 Rows from SDRAM example configuration
423 * 1000 factor s -> ms
424 * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
425 * 4 Number of refresh cycles per period
426 * 64 Refresh cycle in ms per number of rows
427 * --------------------------------------------
428 * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
429 *
430 * 50 MHz => 50.000.000 / Divider = 98
431 * 66 Mhz => 66.000.000 / Divider = 129
432 * 80 Mhz => 80.000.000 / Divider = 156
433 */
e9132ea9 434
6d0f6bcf
JCPV
435#define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64))
436#define CONFIG_SYS_MAMR_PTA 98
f4675560
WD
437
438/*
439 * For 16 MBit, refresh rates could be 31.3 us
440 * (= 64 ms / 2K = 125 / quad bursts).
441 * For a simpler initialization, 15.6 us is used instead.
442 *
6d0f6bcf
JCPV
443 * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
444 * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
f4675560 445 */
6d0f6bcf
JCPV
446#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
447#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
f4675560
WD
448
449/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
6d0f6bcf
JCPV
450#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
451#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
f4675560
WD
452
453/*
454 * MAMR settings for SDRAM
455 */
456
457/* 8 column SDRAM */
6d0f6bcf 458#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
f4675560
WD
459 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
460 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
461/* 9 column SDRAM */
6d0f6bcf 462#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
f4675560
WD
463 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
464 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
465
7026ead0
HS
466/* pass open firmware flat tree */
467#define CONFIG_OF_LIBFDT 1
468#define CONFIG_OF_BOARD_SETUP 1
469#define CONFIG_HWCONFIG 1
470
f4675560 471#endif /* __CONFIG_H */