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d4ca31c4 1/*
23c5d253 2 * (C) Copyright 2000-2014
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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 */
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22#define CONFIG_SYS_GENERIC_BOARD
23#define CONFIG_DISPLAY_BOARDINFO
d4ca31c4 24
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25#define CONFIG_SYS_TEXT_BASE 0x40000000
26
66ca92a5 27#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */
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28#define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */
29#define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */
66ca92a5 30#define CONFIG_8xx_CPUCLK_DEFAULT 50000000 /* 50 MHz - CPU default clock */
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31 /* (it will be used if there is no */
32 /* 'cpuclk' variable with valid value) */
d4ca31c4 33
6d0f6bcf 34#undef CONFIG_SYS_MEASURE_CPUCLK /* Measure real cpu clock */
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35 /* (function measure_gclk() */
36 /* will be called) */
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37#ifdef CONFIG_SYS_MEASURE_CPUCLK
38#define CONFIG_SYS_8XX_XIN 10000000 /* measure_gclk() needs this */
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39#endif
40
c178d3da 41#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
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42#define CONFIG_SYS_SMC_RXBUFLEN 128
43#define CONFIG_SYS_MAXIDLE 10
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44#define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */
45
c178d3da 46#define CONFIG_BOOTCOUNT_LIMIT
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47
48#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
49
50#define CONFIG_BOARD_TYPES 1 /* support board types */
51
c178d3da 52#define CONFIG_PREBOOT "echo;" \
32bf3d14 53 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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54 "echo"
55
56#undef CONFIG_BOOTARGS
57
c178d3da 58#define CONFIG_EXTRA_ENV_SETTINGS \
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59 "netdev=eth0\0" \
60 "nfsargs=setenv bootargs root=/dev/nfs rw " \
fe126d8b 61 "nfsroot=${serverip}:${rootpath}\0" \
d4ca31c4 62 "ramargs=setenv bootargs root=/dev/ram rw\0" \
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63 "addip=setenv bootargs ${bootargs} " \
64 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
65 ":${hostname}:${netdev}:off panic=1\0" \
d4ca31c4 66 "flash_nfs=run nfsargs addip;" \
fe126d8b 67 "bootm ${kernel_addr}\0" \
d4ca31c4 68 "flash_self=run ramargs addip;" \
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69 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
70 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
d4ca31c4 71 "rootpath=/opt/eldk/ppc_8xx\0" \
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72 "hostname=TQM866M\0" \
73 "bootfile=TQM866M/uImage\0" \
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74 "fdt_addr=400C0000\0" \
75 "kernel_addr=40100000\0" \
eb6da805 76 "ramdisk_addr=40280000\0" \
29f8f58f 77 "u-boot=TQM866M/u-image.bin\0" \
9ef57bbe 78 "load=tftp 200000 ${u-boot}\0" \
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79 "update=prot off 40000000 +${filesize};" \
80 "era 40000000 +${filesize};" \
9ef57bbe 81 "cp.b 200000 40000000 ${filesize};" \
29f8f58f 82 "sete filesize;save\0" \
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83 ""
84#define CONFIG_BOOTCOMMAND "run flash_self"
85
86#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
6d0f6bcf 87#undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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88
89#undef CONFIG_WATCHDOG /* watchdog disabled */
90
c178d3da 91#define CONFIG_STATUS_LED 1 /* Status LED enabled */
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92
93#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
94
95/* enable I2C and select the hardware/software driver */
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96#define CONFIG_SYS_I2C
97#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */
98#define CONFIG_SYS_I2C_SOFT_SPEED 93000 /* 93 kHz is supposed to work */
99#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE
d4ca31c4 100
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101/*
102 * Software (bit-bang) I2C driver configuration
103 */
104#define PB_SCL 0x00000020 /* PB 26 */
105#define PB_SDA 0x00000010 /* PB 27 */
106
107#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
108#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
109#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
110#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
111#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
c178d3da 112 else immr->im_cpm.cp_pbdat &= ~PB_SDA
d4ca31c4 113#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
c178d3da 114 else immr->im_cpm.cp_pbdat &= ~PB_SCL
d4ca31c4 115#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */
d4ca31c4 116
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117#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C256 */
118#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */
119#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
120#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
d4ca31c4 121
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122/*
123 * BOOTP options
124 */
125#define CONFIG_BOOTP_SUBNETMASK
126#define CONFIG_BOOTP_GATEWAY
127#define CONFIG_BOOTP_HOSTNAME
128#define CONFIG_BOOTP_BOOTPATH
129#define CONFIG_BOOTP_BOOTFILESIZE
130
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131
132#define CONFIG_MAC_PARTITION
133#define CONFIG_DOS_PARTITION
134
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135#undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */
136
137#define CONFIG_TIMESTAMP /* but print image timestmps */
d4ca31c4 138
d4ca31c4 139
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140/*
141 * Command line configuration.
142 */
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143#define CONFIG_CMD_ASKENV
144#define CONFIG_CMD_DHCP
145#define CONFIG_CMD_EEPROM
9a63b7f4 146#define CONFIG_CMD_EXT2
2694690e 147#define CONFIG_CMD_IDE
29f8f58f 148#define CONFIG_CMD_JFFS2
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149#define CONFIG_CMD_SNTP
150
151
152#define CONFIG_NETCONSOLE
2694690e 153
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154
155/*
156 * Miscellaneous configurable options
157 */
6d0f6bcf 158#define CONFIG_SYS_LONGHELP /* undef to save memory */
d4ca31c4 159
2751a95a 160#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
6d0f6bcf 161#define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
d4ca31c4 162
2694690e 163#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 164#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
d4ca31c4 165#else
6d0f6bcf 166#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
d4ca31c4 167#endif
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168#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
169#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
170#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
d4ca31c4 171
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172#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
173#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
d4ca31c4 174
6d0f6bcf 175#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
d4ca31c4 176
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177/*
178 * Low Level Configuration Settings
179 * (address mappings, register initial values, etc.)
180 * You should know what you are doing if you make changes here.
181 */
182/*-----------------------------------------------------------------------
183 * Internal Memory Mapped Register
184 */
6d0f6bcf 185#define CONFIG_SYS_IMMR 0xFFF00000
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186
187/*-----------------------------------------------------------------------
188 * Definitions for initial stack pointer and data area (in DPRAM)
189 */
6d0f6bcf 190#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
553f0982 191#define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
25ddd1fb 192#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
6d0f6bcf 193#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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194
195/*-----------------------------------------------------------------------
196 * Start addresses for the final memory configuration
197 * (Set up by the startup code)
6d0f6bcf 198 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
d4ca31c4 199 */
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200#define CONFIG_SYS_SDRAM_BASE 0x00000000
201#define CONFIG_SYS_FLASH_BASE 0x40000000
202#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
203#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
204#define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */
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205
206/*
207 * For booting Linux, the board info and command line data
208 * have to be in the first 8 MB of memory, since this is
209 * the maximum mapped by the Linux kernel during initialization.
210 */
6d0f6bcf 211#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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212
213/*-----------------------------------------------------------------------
214 * FLASH organization
215 */
e318d9e9 216/* use CFI flash driver */
6d0f6bcf 217#define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
00b1883a 218#define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
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219#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
220#define CONFIG_SYS_FLASH_EMPTY_INFO
221#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
222#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
223#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
d4ca31c4 224
5a1aceb0 225#define CONFIG_ENV_IS_IN_FLASH 1
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226#define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */
227#define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment Sector */
228#define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */
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229
230/* Address and size of Redundant Environment Sector */
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231#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
232#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
d4ca31c4 233
6d0f6bcf 234#define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */
67c31036 235
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236#define CONFIG_MISC_INIT_R /* Make sure to remap flashes correctly */
237
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238/*-----------------------------------------------------------------------
239 * Dynamic MTD partition support
240 */
68d7d651 241#define CONFIG_CMD_MTDPARTS
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242#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */
243#define CONFIG_FLASH_CFI_MTD
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244#define MTDIDS_DEFAULT "nor0=TQM8xxM-0"
245
246#define MTDPARTS_DEFAULT "mtdparts=TQM8xxM-0:512k(u-boot)," \
247 "128k(dtb)," \
248 "1920k(kernel)," \
249 "5632(rootfs)," \
cd82919e 250 "4m(data)"
29f8f58f 251
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252/*-----------------------------------------------------------------------
253 * Hardware Information Block
254 */
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255#define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
256#define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
257#define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
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258
259/*-----------------------------------------------------------------------
260 * Cache Configuration
261 */
6d0f6bcf 262#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
2694690e 263#if defined(CONFIG_CMD_KGDB)
6d0f6bcf 264#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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265#endif
266
267/*-----------------------------------------------------------------------
268 * SYPCR - System Protection Control 11-9
269 * SYPCR can only be written once after reset!
270 *-----------------------------------------------------------------------
271 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
272 */
273#if defined(CONFIG_WATCHDOG)
6d0f6bcf 274#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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275 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
276#else
6d0f6bcf 277#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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278#endif
279
280/*-----------------------------------------------------------------------
281 * SIUMCR - SIU Module Configuration 11-6
282 *-----------------------------------------------------------------------
283 * PCMCIA config., multi-function pin tri-state
284 */
c178d3da 285#ifndef CONFIG_CAN_DRIVER
6d0f6bcf 286#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
d4ca31c4 287#else /* we must activate GPL5 in the SIUMCR for CAN */
6d0f6bcf 288#define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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289#endif /* CONFIG_CAN_DRIVER */
290
291/*-----------------------------------------------------------------------
292 * TBSCR - Time Base Status and Control 11-26
293 *-----------------------------------------------------------------------
294 * Clear Reference Interrupt Status, Timebase freezing enabled
295 */
6d0f6bcf 296#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
d4ca31c4 297
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298/*-----------------------------------------------------------------------
299 * PISCR - Periodic Interrupt Status and Control 11-31
300 *-----------------------------------------------------------------------
301 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
302 */
6d0f6bcf 303#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
d4ca31c4 304
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305/*-----------------------------------------------------------------------
306 * SCCR - System Clock and reset Control Register 15-27
307 *-----------------------------------------------------------------------
308 * Set clock output, timebase and RTC source and divider,
309 * power management and some other internal clocks
310 */
311#define SCCR_MASK SCCR_EBDF11
6d0f6bcf 312#define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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313 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
314 SCCR_DFALCD00)
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315
316/*-----------------------------------------------------------------------
317 * PCMCIA stuff
318 *-----------------------------------------------------------------------
319 *
320 */
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321#define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000)
322#define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 )
323#define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000)
324#define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 )
325#define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000)
326#define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 )
327#define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000)
328#define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 )
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329
330/*-----------------------------------------------------------------------
331 * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
332 *-----------------------------------------------------------------------
333 */
334
8d1165e1 335#define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */
c178d3da 336#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
d4ca31c4 337
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338#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
339#undef CONFIG_IDE_LED /* LED for ide not supported */
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340#undef CONFIG_IDE_RESET /* reset for ide not supported */
341
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342#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */
343#define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
d4ca31c4 344
6d0f6bcf 345#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
d4ca31c4 346
6d0f6bcf 347#define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR
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348
349/* Offset for data I/O */
6d0f6bcf 350#define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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351
352/* Offset for normal register accesses */
6d0f6bcf 353#define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
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354
355/* Offset for alternate registers */
6d0f6bcf 356#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100
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357
358/*-----------------------------------------------------------------------
359 *
360 *-----------------------------------------------------------------------
361 *
362 */
6d0f6bcf 363#define CONFIG_SYS_DER 0
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364
365/*
366 * Init Memory Controller:
367 *
368 * BR0/1 and OR0/1 (FLASH)
369 */
370
371#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
372#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
373
374/* used to re-map FLASH both when starting from SRAM or FLASH:
375 * restrict access enough to keep SRAM working (if any)
376 * but not too much to meddle with FLASH accesses
377 */
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378#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
379#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
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380
381/*
c178d3da 382 * FLASH timing: Default value of OR0 after reset
d4ca31c4 383 */
6d0f6bcf 384#define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \
c178d3da 385 OR_SCY_15_CLK | OR_TRLX)
d4ca31c4 386
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387#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
388#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
389#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
d4ca31c4 390
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391#define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP
392#define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
393#define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V )
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394
395/*
396 * BR2/3 and OR2/3 (SDRAM)
397 *
398 */
399#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
400#define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */
c178d3da 401#define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */
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402
403/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
6d0f6bcf 404#define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
d4ca31c4 405
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406#define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
407#define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
d4ca31c4 408
c178d3da 409#ifndef CONFIG_CAN_DRIVER
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410#define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM
411#define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
d4ca31c4 412#else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */
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413#define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */
414#define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
415#define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI)
416#define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \
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417 BR_PS_8 | BR_MS_UPMB | BR_V )
418#endif /* CONFIG_CAN_DRIVER */
419
c178d3da 420/*
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421 * 4096 Rows from SDRAM example configuration
422 * 1000 factor s -> ms
423 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
424 * 4 Number of refresh cycles per period
425 * 64 Refresh cycle in ms per number of rows
426 */
6d0f6bcf 427#define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
c178d3da 428
d4ca31c4 429/*
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430 * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad)
431 *
432 * CPUclock(MHz) * 31.2
6d0f6bcf 433 * CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0
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434 * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16
435 *
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436 * CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us
437 * CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us
438 * CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us
439 * CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us
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440 *
441 * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will
442 * be met also in the default configuration, i.e. if environment variable
443 * 'cpuclk' is not set.
d4ca31c4 444 */
6d0f6bcf 445#define CONFIG_SYS_MAMR_PTA 97
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446
447/*
d43e489b 448 * Memory Periodic Timer Prescaler Register (MPTPR) values.
d4ca31c4 449 */
d43e489b 450/* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */
6d0f6bcf 451#define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16
d43e489b 452/* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */
6d0f6bcf 453#define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8
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454
455/*
456 * MAMR settings for SDRAM
457 */
458
459/* 8 column SDRAM */
6d0f6bcf 460#define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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461 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
462 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
463/* 9 column SDRAM */
6d0f6bcf 464#define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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465 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
466 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
c178d3da 467/* 10 column SDRAM */
6d0f6bcf 468#define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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469 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \
470 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
d4ca31c4 471
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472#define CONFIG_SCC1_ENET
473#define CONFIG_FEC_ENET
48690d80 474#define CONFIG_ETHPRIME "SCC"
d4ca31c4 475
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476/* pass open firmware flat tree */
477#define CONFIG_OF_LIBFDT 1
478#define CONFIG_OF_BOARD_SETUP 1
479#define CONFIG_HWCONFIG 1
480
d4ca31c4 481#endif /* __CONFIG_H */