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