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090eb735 | 1 | /* |
23c5d253 | 2 | * (C) Copyright 2000-2014 |
090eb735 MK |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
5 | * (C) Copyright 2006 | |
6 | * Martin Krause, TQ-Systems GmBH, martin.krause@tqs.de | |
7 | * | |
3765b3e7 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
090eb735 MK |
9 | */ |
10 | ||
11 | /* | |
12 | * board/config.h - configuration options, board specific | |
13 | */ | |
14 | ||
15 | #ifndef __CONFIG_H | |
16 | #define __CONFIG_H | |
17 | ||
18 | /* | |
19 | * High Level Configuration Options | |
20 | * (easy to change) | |
21 | */ | |
22 | ||
23 | #define CONFIG_MPC885 1 /* This is a MPC885 CPU */ | |
24 | #define CONFIG_TQM885D 1 /* ...on a TQM88D module */ | |
25 | ||
2ae18241 WD |
26 | #define CONFIG_SYS_TEXT_BASE 0x40000000 |
27 | ||
090eb735 | 28 | #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz - PLL input clock */ |
6d0f6bcf JCPV |
29 | #define CONFIG_SYS_8xx_CPUCLK_MIN 15000000 /* 15 MHz - CPU minimum clock */ |
30 | #define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 /* 133 MHz - CPU maximum clock */ | |
22d1a56c | 31 | #define CONFIG_8xx_CPUCLK_DEFAULT 66000000 /* 66 MHz - CPU default clock */ |
090eb735 MK |
32 | /* (it will be used if there is no */ |
33 | /* 'cpuclk' variable with valid value) */ | |
34 | ||
090eb735 | 35 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
3cb7a480 WD |
36 | #define CONFIG_SYS_SMC_RXBUFLEN 128 |
37 | #define CONFIG_SYS_MAXIDLE 10 | |
090eb735 MK |
38 | #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ |
39 | ||
40 | #define CONFIG_BOOTCOUNT_LIMIT | |
41 | ||
090eb735 MK |
42 | |
43 | #define CONFIG_BOARD_TYPES 1 /* support board types */ | |
44 | ||
45 | #define CONFIG_PREBOOT "echo;" \ | |
32bf3d14 | 46 | "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \ |
090eb735 MK |
47 | "echo" |
48 | ||
49 | #undef CONFIG_BOOTARGS | |
50 | ||
51 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
52 | "netdev=eth0\0" \ | |
53 | "nfsargs=setenv bootargs root=/dev/nfs rw " \ | |
54 | "nfsroot=${serverip}:${rootpath}\0" \ | |
55 | "ramargs=setenv bootargs root=/dev/ram rw\0" \ | |
56 | "addip=setenv bootargs ${bootargs} " \ | |
57 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ | |
58 | ":${hostname}:${netdev}:off panic=1\0" \ | |
59 | "flash_nfs=run nfsargs addip;" \ | |
60 | "bootm ${kernel_addr}\0" \ | |
61 | "flash_self=run ramargs addip;" \ | |
62 | "bootm ${kernel_addr} ${ramdisk_addr}\0" \ | |
63 | "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \ | |
64 | "rootpath=/opt/eldk/ppc_8xx\0" \ | |
11d9eec4 MK |
65 | "bootfile=/tftpboot/TQM885D/uImage\0" \ |
66 | "fdt_addr=400C0000\0" \ | |
67 | "kernel_addr=40100000\0" \ | |
68 | "ramdisk_addr=40280000\0" \ | |
69 | "load=tftp 200000 ${u-boot}\0" \ | |
70 | "update=protect off 40000000 +${filesize};" \ | |
71 | "erase 40000000 +${filesize};" \ | |
72 | "cp.b 200000 40000000 ${filesize};" \ | |
73 | "protect on 40000000 +${filesize}\0" \ | |
090eb735 MK |
74 | "" |
75 | #define CONFIG_BOOTCOMMAND "run flash_self" | |
76 | ||
77 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
6d0f6bcf | 78 | #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
090eb735 MK |
79 | |
80 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
81 | ||
090eb735 MK |
82 | #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ |
83 | ||
84 | /* enable I2C and select the hardware/software driver */ | |
ea818dbb HS |
85 | #define CONFIG_SYS_I2C |
86 | #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ | |
87 | #define CONFIG_SYS_I2C_SOFT_SPEED 93000 /* 93 kHz is supposed to work */ | |
88 | #define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE | |
090eb735 MK |
89 | /* |
90 | * Software (bit-bang) I2C driver configuration | |
91 | */ | |
92 | #define PB_SCL 0x00000020 /* PB 26 */ | |
93 | #define PB_SDA 0x00000010 /* PB 27 */ | |
94 | ||
95 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) | |
96 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) | |
97 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) | |
98 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) | |
99 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ | |
100 | else immr->im_cpm.cp_pbdat &= ~PB_SDA | |
101 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ | |
102 | else immr->im_cpm.cp_pbdat &= ~PB_SCL | |
103 | #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */ | |
090eb735 | 104 | |
6d0f6bcf JCPV |
105 | #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM AT24C?? */ |
106 | #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* two byte address */ | |
107 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 | |
108 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ | |
090eb735 MK |
109 | |
110 | # define CONFIG_RTC_DS1337 1 | |
6d0f6bcf | 111 | # define CONFIG_SYS_I2C_RTC_ADDR 0x68 |
090eb735 | 112 | |
37d4bb70 JL |
113 | /* |
114 | * BOOTP options | |
115 | */ | |
116 | #define CONFIG_BOOTP_SUBNETMASK | |
117 | #define CONFIG_BOOTP_GATEWAY | |
118 | #define CONFIG_BOOTP_HOSTNAME | |
119 | #define CONFIG_BOOTP_BOOTPATH | |
120 | #define CONFIG_BOOTP_BOOTFILESIZE | |
121 | ||
090eb735 MK |
122 | #define CONFIG_DOS_PARTITION |
123 | ||
11d9eec4 | 124 | #undef CONFIG_RTC_MPC8xx /* MPC885 does not support RTC */ |
090eb735 MK |
125 | |
126 | #define CONFIG_TIMESTAMP /* but print image timestmps */ | |
127 | ||
2694690e JL |
128 | /* |
129 | * Command line configuration. | |
130 | */ | |
2694690e | 131 | #define CONFIG_CMD_DATE |
2694690e | 132 | #define CONFIG_CMD_EEPROM |
2694690e | 133 | #define CONFIG_CMD_IDE |
090eb735 MK |
134 | |
135 | /* | |
136 | * Miscellaneous configurable options | |
137 | */ | |
6d0f6bcf | 138 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
090eb735 | 139 | |
2751a95a | 140 | #define CONFIG_CMDLINE_EDITING 1 /* add command line history */ |
090eb735 | 141 | |
2694690e | 142 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 143 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
090eb735 | 144 | #else |
6d0f6bcf | 145 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
090eb735 | 146 | #endif |
6d0f6bcf JCPV |
147 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
148 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
149 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
090eb735 | 150 | |
6d0f6bcf JCPV |
151 | #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */ |
152 | #define CONFIG_SYS_MEMTEST_END 0x0300000 /* 1 ... 3 MB in DRAM */ | |
153 | #define CONFIG_SYS_ALT_MEMTEST /* alternate, more extensive | |
090eb735 MK |
154 | memory test.*/ |
155 | ||
6d0f6bcf | 156 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
090eb735 | 157 | |
090eb735 MK |
158 | /* |
159 | * Low Level Configuration Settings | |
160 | * (address mappings, register initial values, etc.) | |
161 | * You should know what you are doing if you make changes here. | |
162 | */ | |
163 | /*----------------------------------------------------------------------- | |
164 | * Internal Memory Mapped Register | |
165 | */ | |
6d0f6bcf | 166 | #define CONFIG_SYS_IMMR 0xFFF00000 |
090eb735 MK |
167 | |
168 | /*----------------------------------------------------------------------- | |
169 | * Definitions for initial stack pointer and data area (in DPRAM) | |
170 | */ | |
6d0f6bcf | 171 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
553f0982 | 172 | #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */ |
25ddd1fb | 173 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
6d0f6bcf | 174 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
090eb735 MK |
175 | |
176 | /*----------------------------------------------------------------------- | |
177 | * Start addresses for the final memory configuration | |
178 | * (Set up by the startup code) | |
6d0f6bcf | 179 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
090eb735 | 180 | */ |
6d0f6bcf JCPV |
181 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
182 | #define CONFIG_SYS_FLASH_BASE 0x40000000 | |
183 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ | |
184 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
185 | #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 128 kB for malloc() */ | |
090eb735 MK |
186 | |
187 | /* | |
188 | * For booting Linux, the board info and command line data | |
189 | * have to be in the first 8 MB of memory, since this is | |
190 | * the maximum mapped by the Linux kernel during initialization. | |
191 | */ | |
6d0f6bcf | 192 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
090eb735 MK |
193 | |
194 | /*----------------------------------------------------------------------- | |
195 | * FLASH organization | |
196 | */ | |
090eb735 | 197 | |
e318d9e9 | 198 | /* use CFI flash driver */ |
6d0f6bcf | 199 | #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */ |
00b1883a | 200 | #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */ |
6d0f6bcf JCPV |
201 | #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } |
202 | #define CONFIG_SYS_FLASH_EMPTY_INFO | |
203 | #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 | |
204 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
205 | #define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ | |
090eb735 | 206 | |
5a1aceb0 | 207 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 JCPV |
208 | #define CONFIG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */ |
209 | #define CONFIG_ENV_SIZE 0x08000 /* Total Size of Environment */ | |
210 | #define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment Sector */ | |
090eb735 MK |
211 | |
212 | /* Address and size of Redundant Environment Sector */ | |
0e8d1586 JCPV |
213 | #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE) |
214 | #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE) | |
090eb735 MK |
215 | |
216 | /*----------------------------------------------------------------------- | |
217 | * Hardware Information Block | |
218 | */ | |
6d0f6bcf JCPV |
219 | #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */ |
220 | #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */ | |
221 | #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */ | |
090eb735 MK |
222 | |
223 | /*----------------------------------------------------------------------- | |
224 | * Cache Configuration | |
225 | */ | |
6d0f6bcf | 226 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
2694690e | 227 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 228 | #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
090eb735 MK |
229 | #endif |
230 | ||
231 | /*----------------------------------------------------------------------- | |
232 | * SYPCR - System Protection Control 11-9 | |
233 | * SYPCR can only be written once after reset! | |
234 | *----------------------------------------------------------------------- | |
235 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
236 | */ | |
237 | #if defined(CONFIG_WATCHDOG) | |
6d0f6bcf | 238 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
090eb735 MK |
239 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
240 | #else | |
6d0f6bcf | 241 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
090eb735 MK |
242 | #endif |
243 | ||
244 | /*----------------------------------------------------------------------- | |
245 | * SIUMCR - SIU Module Configuration 11-6 | |
246 | *----------------------------------------------------------------------- | |
247 | * PCMCIA config., multi-function pin tri-state | |
248 | */ | |
249 | #ifndef CONFIG_CAN_DRIVER | |
6d0f6bcf | 250 | #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
090eb735 | 251 | #else /* we must activate GPL5 in the SIUMCR for CAN */ |
6d0f6bcf | 252 | #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
090eb735 MK |
253 | #endif /* CONFIG_CAN_DRIVER */ |
254 | ||
255 | /*----------------------------------------------------------------------- | |
256 | * TBSCR - Time Base Status and Control 11-26 | |
257 | *----------------------------------------------------------------------- | |
258 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
259 | */ | |
6d0f6bcf | 260 | #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
090eb735 MK |
261 | |
262 | /*----------------------------------------------------------------------- | |
263 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
264 | *----------------------------------------------------------------------- | |
265 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
266 | */ | |
6d0f6bcf | 267 | #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
090eb735 MK |
268 | |
269 | /*----------------------------------------------------------------------- | |
270 | * SCCR - System Clock and reset Control Register 15-27 | |
271 | *----------------------------------------------------------------------- | |
272 | * Set clock output, timebase and RTC source and divider, | |
273 | * power management and some other internal clocks | |
274 | */ | |
275 | #define SCCR_MASK SCCR_EBDF11 | |
6d0f6bcf | 276 | #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
090eb735 MK |
277 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
278 | SCCR_DFALCD00) | |
279 | ||
280 | /*----------------------------------------------------------------------- | |
281 | * PCMCIA stuff | |
282 | *----------------------------------------------------------------------- | |
283 | * | |
284 | */ | |
6d0f6bcf JCPV |
285 | #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000) |
286 | #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
287 | #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000) | |
288 | #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
289 | #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000) | |
290 | #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
291 | #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000) | |
292 | #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 ) | |
090eb735 MK |
293 | |
294 | /*----------------------------------------------------------------------- | |
295 | * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) | |
296 | *----------------------------------------------------------------------- | |
297 | */ | |
298 | ||
8d1165e1 | 299 | #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */ |
090eb735 MK |
300 | #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ |
301 | ||
302 | #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ | |
303 | #undef CONFIG_IDE_LED /* LED for ide not supported */ | |
304 | #undef CONFIG_IDE_RESET /* reset for ide not supported */ | |
305 | ||
6d0f6bcf JCPV |
306 | #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */ |
307 | #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ | |
090eb735 | 308 | |
6d0f6bcf | 309 | #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000 |
090eb735 | 310 | |
6d0f6bcf | 311 | #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR |
090eb735 MK |
312 | |
313 | /* Offset for data I/O */ | |
6d0f6bcf | 314 | #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320) |
090eb735 MK |
315 | |
316 | /* Offset for normal register accesses */ | |
6d0f6bcf | 317 | #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320) |
090eb735 MK |
318 | |
319 | /* Offset for alternate registers */ | |
6d0f6bcf | 320 | #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100 |
090eb735 MK |
321 | |
322 | /*----------------------------------------------------------------------- | |
323 | * | |
324 | *----------------------------------------------------------------------- | |
325 | * | |
326 | */ | |
6d0f6bcf | 327 | #define CONFIG_SYS_DER 0 |
090eb735 MK |
328 | |
329 | /* | |
330 | * Init Memory Controller: | |
331 | * | |
332 | * BR0/1 and OR0/1 (FLASH) | |
333 | */ | |
334 | ||
335 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
336 | #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ | |
337 | ||
338 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
339 | * restrict access enough to keep SRAM working (if any) | |
340 | * but not too much to meddle with FLASH accesses | |
341 | */ | |
6d0f6bcf JCPV |
342 | #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
343 | #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
090eb735 MK |
344 | |
345 | /* | |
346 | * FLASH timing: Default value of OR0 after reset | |
347 | */ | |
6d0f6bcf | 348 | #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_MSK | OR_BI | \ |
090eb735 MK |
349 | OR_SCY_6_CLK | OR_TRLX) |
350 | ||
6d0f6bcf JCPV |
351 | #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) |
352 | #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) | |
353 | #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) | |
090eb735 | 354 | |
6d0f6bcf JCPV |
355 | #define CONFIG_SYS_OR1_REMAP CONFIG_SYS_OR0_REMAP |
356 | #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM | |
357 | #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_V ) | |
090eb735 MK |
358 | |
359 | /* | |
360 | * BR2/3 and OR2/3 (SDRAM) | |
361 | * | |
362 | */ | |
363 | #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ | |
364 | #define SDRAM_BASE3_PRELIM 0x20000000 /* SDRAM bank #1 */ | |
365 | #define SDRAM_MAX_SIZE (256 << 20) /* max 256 MB per bank */ | |
366 | ||
367 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ | |
6d0f6bcf | 368 | #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00 |
090eb735 | 369 | |
6d0f6bcf JCPV |
370 | #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM ) |
371 | #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
090eb735 MK |
372 | |
373 | #ifndef CONFIG_CAN_DRIVER | |
6d0f6bcf JCPV |
374 | #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR2_PRELIM |
375 | #define CONFIG_SYS_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
090eb735 | 376 | #else /* CAN uses CS3#, so we can have only one SDRAM bank anyway */ |
6d0f6bcf JCPV |
377 | #define CONFIG_SYS_CAN_BASE 0xC0000000 /* CAN mapped at 0xC0000000 */ |
378 | #define CONFIG_SYS_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */ | |
379 | #define CONFIG_SYS_OR3_CAN (CONFIG_SYS_CAN_OR_AM | OR_G5LA | OR_BI) | |
380 | #define CONFIG_SYS_BR3_CAN ((CONFIG_SYS_CAN_BASE & BR_BA_MSK) | \ | |
090eb735 MK |
381 | BR_PS_8 | BR_MS_UPMB | BR_V ) |
382 | #endif /* CONFIG_CAN_DRIVER */ | |
383 | ||
384 | /* | |
385 | * 4096 Rows from SDRAM example configuration | |
386 | * 1000 factor s -> ms | |
387 | * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration | |
388 | * 4 Number of refresh cycles per period | |
389 | * 64 Refresh cycle in ms per number of rows | |
390 | */ | |
6d0f6bcf | 391 | #define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64)) |
090eb735 MK |
392 | |
393 | /* | |
492c7049 JG |
394 | * Periodic timer (MAMR[PTx]) for 4 * 7.8 us refresh (= 31.2 us per quad) |
395 | * | |
396 | * CPUclock(MHz) * 31.2 | |
6d0f6bcf | 397 | * CONFIG_SYS_MAMR_PTA = ----------------------------------- with DFBRG = 0 |
492c7049 JG |
398 | * 2^(2*SCCR[DFBRG]) * MPTPR_PTP_DIV16 |
399 | * | |
6d0f6bcf JCPV |
400 | * CPU clock = 15 MHz: CONFIG_SYS_MAMR_PTA = 29 -> 4 * 7.73 us |
401 | * CPU clock = 50 MHz: CONFIG_SYS_MAMR_PTA = 97 -> 4 * 7.76 us | |
402 | * CPU clock = 66 MHz: CONFIG_SYS_MAMR_PTA = 128 -> 4 * 7.75 us | |
403 | * CPU clock = 133 MHz: CONFIG_SYS_MAMR_PTA = 255 -> 4 * 7.67 us | |
492c7049 JG |
404 | * |
405 | * Value 97 is for 4 * 7.8 us at 50 MHz. So the refresh cycle requirement will | |
406 | * be met also in the default configuration, i.e. if environment variable | |
407 | * 'cpuclk' is not set. | |
090eb735 | 408 | */ |
6d0f6bcf | 409 | #define CONFIG_SYS_MAMR_PTA 128 |
090eb735 MK |
410 | |
411 | /* | |
492c7049 | 412 | * Memory Periodic Timer Prescaler Register (MPTPR) values. |
090eb735 | 413 | */ |
492c7049 | 414 | /* 4 * 7.8 us refresh (= 31.2 us per quad) at 50 MHz and PTA = 97 */ |
6d0f6bcf | 415 | #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 |
492c7049 | 416 | /* 4 * 3.9 us refresh (= 15.6 us per quad) at 50 MHz and PTA = 97 */ |
6d0f6bcf | 417 | #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 |
090eb735 MK |
418 | |
419 | /* | |
420 | * MAMR settings for SDRAM | |
421 | */ | |
422 | ||
423 | /* 8 column SDRAM */ | |
6d0f6bcf | 424 | #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
090eb735 MK |
425 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ |
426 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
427 | /* 9 column SDRAM */ | |
6d0f6bcf | 428 | #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
090eb735 MK |
429 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ |
430 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
431 | /* 10 column SDRAM */ | |
6d0f6bcf | 432 | #define CONFIG_SYS_MAMR_10COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
090eb735 MK |
433 | MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A9 | \ |
434 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
435 | ||
090eb735 MK |
436 | /* |
437 | * Network configuration | |
438 | */ | |
439 | #define CONFIG_SCC2_ENET /* enable ethernet on SCC2 */ | |
440 | #define CONFIG_FEC_ENET /* enable ethernet on FEC */ | |
441 | #define CONFIG_ETHER_ON_FEC1 /* ... for FEC1 */ | |
442 | #define CONFIG_ETHER_ON_FEC2 /* ... for FEC2 */ | |
443 | ||
2694690e | 444 | #if defined(CONFIG_CMD_MII) |
6d0f6bcf | 445 | #define CONFIG_SYS_DISCOVER_PHY |
0f3ba7e9 | 446 | #define CONFIG_MII_INIT 1 |
090eb735 MK |
447 | #endif |
448 | ||
449 | #define CONFIG_NET_RETRY_COUNT 1 /* reduce max. timeout before | |
450 | switching to another netwok (if the | |
451 | tried network is unreachable) */ | |
452 | ||
48690d80 | 453 | #define CONFIG_ETHPRIME "SCC" |
090eb735 | 454 | |
7026ead0 HS |
455 | #define CONFIG_HWCONFIG 1 |
456 | ||
090eb735 | 457 | #endif /* __CONFIG_H */ |