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75dc29eb 1/*
7c803be2 2 * (C) Copyright 2000-2008
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3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
1a459660 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#undef TQM8xxL_80MHz /* 1 / * define for 80 MHz CPU only */
16
17/*
18 * High Level Configuration Options
19 * (easy to change)
20 */
21
22#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
23#define CONFIG_SM850 1 /*...on a MPC850 Service Module */
24
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25#define CONFIG_SYS_TEXT_BASE 0x40000000
26
75dc29eb 27#define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
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28#define CONFIG_SYS_SMC_RXBUFLEN 128
29#define CONFIG_SYS_MAXIDLE 10
75dc29eb 30#define CONFIG_BAUDRATE 115200
75dc29eb 31#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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32
33#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
34
35#define CONFIG_BOARD_TYPES 1 /* support board types */
36
37#undef CONFIG_BOOTARGS
38#define CONFIG_BOOTCOMMAND \
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39 "bootp; " \
40 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
41 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
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42 "bootm"
43
44#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf 45#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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46
47#undef CONFIG_WATCHDOG /* watchdog disabled */
48
49#undef CONFIG_STATUS_LED /* Status LED not enabled */
50
51#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
52
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53/*
54 * BOOTP options
55 */
56#define CONFIG_BOOTP_SUBNETMASK
57#define CONFIG_BOOTP_GATEWAY
58#define CONFIG_BOOTP_HOSTNAME
59#define CONFIG_BOOTP_BOOTPATH
60#define CONFIG_BOOTP_BOOTFILESIZE
61
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62
63#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
64
75dc29eb 65
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66/*
67 * Command line configuration.
68 */
69#include <config_cmd_default.h>
70
71#define CONFIG_CMD_DHCP
72#define CONFIG_CMD_DATE
73
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74
75/*
76 * Miscellaneous configurable options
77 */
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78#define CONFIG_SYS_LONGHELP /* undef to save memory */
79#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
fe7f782d 80#if defined(CONFIG_CMD_KGDB) && defined(KGDB_DEBUG)
6d0f6bcf 81#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
75dc29eb 82#else
6d0f6bcf 83#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
75dc29eb 84#endif
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85#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
86#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
87#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
75dc29eb 88
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89#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
90#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
75dc29eb 91
6d0f6bcf 92#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
75dc29eb 93
6d0f6bcf 94#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
75dc29eb 95
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96/*
97 * Low Level Configuration Settings
98 * (address mappings, register initial values, etc.)
99 * You should know what you are doing if you make changes here.
100 */
101/*-----------------------------------------------------------------------
102 * Internal Memory Mapped Register
103 */
6d0f6bcf 104#define CONFIG_SYS_IMMR 0xFFF00000
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105
106/*-----------------------------------------------------------------------
107 * Definitions for initial stack pointer and data area (in DPRAM)
108 */
6d0f6bcf 109#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982 110#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
25ddd1fb 111#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf 112#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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113
114/*-----------------------------------------------------------------------
115 * Start addresses for the final memory configuration
116 * (Set up by the startup code)
6d0f6bcf 117 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
75dc29eb 118 */
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119#define CONFIG_SYS_SDRAM_BASE 0x00000000
120#define CONFIG_SYS_FLASH_BASE 0x40000000
75dc29eb 121#if defined(DEBUG)
6d0f6bcf 122#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
75dc29eb 123#else
6d0f6bcf 124#define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
75dc29eb 125#endif
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126#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
127#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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128
129/*
130 * For booting Linux, the board info and command line data
131 * have to be in the first 8 MB of memory, since this is
132 * the maximum mapped by the Linux kernel during initialization.
133 */
6d0f6bcf 134#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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135
136/*-----------------------------------------------------------------------
137 * FLASH organization
138 */
7c803be2 139/* use CFI flash driver */
6d0f6bcf 140#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
7c803be2 141#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
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142#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE+flash_info[0].size }
143#define CONFIG_SYS_FLASH_EMPTY_INFO
144#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
145#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
146#define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
75dc29eb 147
5a1aceb0 148#define CONFIG_ENV_IS_IN_FLASH 1
7c803be2 149#define CONFIG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
0e8d1586 150#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
75dc29eb 151
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152#define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
153
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154/*-----------------------------------------------------------------------
155 * Hardware Information Block
156 */
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157#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
158#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
159#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
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160
161/*-----------------------------------------------------------------------
162 * Cache Configuration
163 */
6d0f6bcf 164#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
fe7f782d 165#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 166#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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167#endif
168
169/*-----------------------------------------------------------------------
170 * SYPCR - System Protection Control 11-9
171 * SYPCR can only be written once after reset!
172 *-----------------------------------------------------------------------
173 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
174 */
175#if defined(CONFIG_WATCHDOG)
6d0f6bcf 176#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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177 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
178#else
6d0f6bcf 179#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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180#endif
181
182/*-----------------------------------------------------------------------
183 * SIUMCR - SIU Module Configuration 11-6
184 *-----------------------------------------------------------------------
185 * PCMCIA config., multi-function pin tri-state
186 */
187#ifndef CONFIG_CAN_DRIVER
6d0f6bcf 188#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
75dc29eb 189#else /* we must activate GPL5 in the SIUMCR for CAN */
6d0f6bcf 190#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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191#endif /* CONFIG_CAN_DRIVER */
192
193/*-----------------------------------------------------------------------
194 * TBSCR - Time Base Status and Control 11-26
195 *-----------------------------------------------------------------------
196 * Clear Reference Interrupt Status, Timebase freezing enabled
197 */
6d0f6bcf 198#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
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199
200/*-----------------------------------------------------------------------
201 * RTCSC - Real-Time Clock Status and Control Register 11-27
202 *-----------------------------------------------------------------------
203 */
6d0f6bcf 204#define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
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205
206/*-----------------------------------------------------------------------
207 * PISCR - Periodic Interrupt Status and Control 11-31
208 *-----------------------------------------------------------------------
209 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
210 */
6d0f6bcf 211#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
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212
213/*-----------------------------------------------------------------------
214 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
215 *-----------------------------------------------------------------------
216 * Reset PLL lock status sticky bit, timer expired status bit and timer
217 * interrupt status bit
218 *
219 * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
220 */
221#ifdef TQM8xxL_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
6d0f6bcf 222#define CONFIG_SYS_PLPRCR \
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223 ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
224#else
6d0f6bcf 225#define CONFIG_SYS_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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226#endif /* TQM8xxL_80MHz */
227
228/*-----------------------------------------------------------------------
229 * SCCR - System Clock and reset Control Register 15-27
230 *-----------------------------------------------------------------------
231 * Set clock output, timebase and RTC source and divider,
232 * power management and some other internal clocks
233 */
234#define SCCR_MASK SCCR_EBDF11
235#ifdef TQM8xxL_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
6d0f6bcf 236#define CONFIG_SYS_SCCR (/* SCCR_TBS | */ \
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237 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
238 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
239 SCCR_DFALCD00)
240#else /* up to 50 MHz we use a 1:1 clock */
6d0f6bcf 241#define CONFIG_SYS_SCCR (SCCR_TBS | \
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242 SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
243 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
244 SCCR_DFALCD00)
245#endif /* TQM8xxL_80MHz */
246
247/*-----------------------------------------------------------------------
248 * PCMCIA stuff
249 *-----------------------------------------------------------------------
250 *
251 */
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252#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
253#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
254#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
255#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
256#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
257#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
258#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
259#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
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260
261/*-----------------------------------------------------------------------
262 *
263 *-----------------------------------------------------------------------
264 *
265 */
6d0f6bcf 266#define CONFIG_SYS_DER 0
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267
268/*
269 * Init Memory Controller:
270 *
271 * BR0/1 and OR0/1 (FLASH)
272 */
273
274#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
275#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
276
277/* used to re-map FLASH both when starting from SRAM or FLASH:
278 * restrict access enough to keep SRAM working (if any)
279 * but not too much to meddle with FLASH accesses
280 */
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281#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
282#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
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283
284/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */
6d0f6bcf 285#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \
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286 OR_SCY_5_CLK | OR_EHTR)
287
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288#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
289#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
290#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
75dc29eb 291
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292#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
293#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
294#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
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295
296/*
297 * BR2/3 and OR2/3 (SDRAM)
298 *
299 */
300#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
301#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
302#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
303
304/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
6d0f6bcf 305#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
75dc29eb 306
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307#define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
308#define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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309
310#ifndef CONFIG_CAN_DRIVER
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311#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
312#define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
75dc29eb 313#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
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314#define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
315#define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
316#define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
317#define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
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318 BR_PS_8 | BR_MS_UPMB | BR_V )
319#endif /* CONFIG_CAN_DRIVER */
320
321/*
322 * Memory Periodic Timer Prescaler
323 */
324
325/* periodic timer for refresh */
6d0f6bcf 326#define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */
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327
328/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
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329#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
330#define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
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331
332/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
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333#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
334#define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
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335
336/*
337 * MAMR settings for SDRAM
338 */
339
340/* 8 column SDRAM */
6d0f6bcf 341#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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342 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
343 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
344/* 9 column SDRAM */
6d0f6bcf 345#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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346 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
347 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
348
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349/* pass open firmware flat tree */
350#define CONFIG_OF_LIBFDT 1
351#define CONFIG_OF_BOARD_SETUP 1
352#define CONFIG_HWCONFIG 1
353
75dc29eb 354#endif /* __CONFIG_H */