3 * Heiko Schocher, DENX Software Engineering, <hs@denx.de>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_MPC8260 1 /* This is a MPC8260 CPU */
37 #define CONFIG_MPC8272_FAMILY 1
38 #define CONFIG_IDS8247 1
39 #define CPU_ID_STR "MPC8247"
41 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
43 #define CONFIG_BOOTCOUNT_LIMIT
45 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
47 #undef CONFIG_BOOTARGS
49 #define CONFIG_EXTRA_ENV_SETTINGS \
51 "nfsargs=setenv bootargs root=/dev/nfs rw " \
52 "nfsroot=$(serverip):$(rootpath)\0" \
53 "ramargs=setenv bootargs root=/dev/ram rw " \
54 "console=ttyS0,115200\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_82xx\0" \
64 "bootfile=/tftpboot/IDS8247/uImage\0" \
65 "kernel_addr=ff800000\0" \
66 "ramdisk_addr=ffa00000\0" \
68 #define CONFIG_BOOTCOMMAND "run flash_self"
70 #define CONFIG_MISC_INIT_R 1
72 /* enable I2C and select the hardware/software driver */
73 #undef CONFIG_HARD_I2C /* I2C with hardware support */
74 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
75 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
76 #define CFG_I2C_SLAVE 0x7F
79 * Software (bit-bang) I2C driver configuration
82 #define I2C_PORT 0 /* Port A=0, B=1, C=2, D=3 */
83 #define I2C_ACTIVE (iop->pdir |= 0x00000080)
84 #define I2C_TRISTATE (iop->pdir &= ~0x00000080)
85 #define I2C_READ ((iop->pdat & 0x00000080) != 0)
86 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00000080; \
87 else iop->pdat &= ~0x00000080
88 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00000100; \
89 else iop->pdat &= ~0x00000100
90 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
93 #define CFG_I2C_EEPROM_ADDR 0x50
94 #define CFG_I2C_EEPROM_ADDR_LEN 2
95 #define CFG_EEPROM_PAGE_WRITE_BITS 4
96 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
102 * select serial console configuration
103 * use the extern UART for the console
105 #define CONFIG_CONS_INDEX 1
106 #define CONFIG_BAUDRATE 115200
108 * NS16550 Configuration
111 #define CFG_NS16550_SERIAL
113 #define CFG_NS16550_REG_SIZE 1
115 #define CFG_NS16550_CLK 14745600
117 #define CFG_UART_BASE 0xE0000000
118 #define CFG_UART_SIZE 0x10000
120 #define CFG_NS16550_COM1 (CFG_UART_BASE + 0x8000)
123 * select ethernet configuration
125 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
126 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
129 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
130 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
131 * from CONFIG_COMMANDS to remove support for networking.
134 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
135 #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
136 #undef CONFIG_ETHER_NONE /* define if ether on something else */
137 #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
142 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
143 * - Enable Full Duplex in FSMR
145 # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
146 # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
147 # define CFG_CPMFCR_RAMTYPE 0
148 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
151 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
152 #define CONFIG_8260_CLKIN 66666666 /* in Hz */
154 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
155 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
157 #undef CONFIG_WATCHDOG /* watchdog disabled */
159 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
161 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
163 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
170 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
171 #include <cmd_confdefs.h>
174 * Miscellaneous configurable options
176 #define CFG_LONGHELP /* undef to save memory */
177 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
178 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
179 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
181 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
183 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
184 #define CFG_MAXARGS 16 /* max number of command args */
185 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
187 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
188 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
190 #define CFG_LOAD_ADDR 0x100000 /* default load address */
192 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
194 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
196 #define CFG_RESET_ADDRESS 0xFDFFFFFC /* "bad" address */
199 * For booting Linux, the board info and command line data
200 * have to be in the first 8 MB of memory, since this is
201 * the maximum mapped by the Linux kernel during initialization.
203 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
206 /* What should the base address of the main FLASH be and how big is
207 * it (in MBytes)? This must contain TEXT_BASE from board/ids8247/config.mk
208 * The main FLASH is whichever is connected to *CS0.
210 #define CFG_FLASH0_BASE 0xFFF00000
211 #define CFG_FLASH0_SIZE 8
213 /* Flash bank size (for preliminary settings)
215 #define CFG_FLASH_SIZE CFG_FLASH0_SIZE
217 /*-----------------------------------------------------------------------
220 #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
221 #define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
223 #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
224 #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
226 /* Environment in flash */
227 #define CFG_ENV_IS_IN_FLASH 1
228 #define CFG_ENV_ADDR (CFG_FLASH_BASE+0x60000)
229 #define CFG_ENV_SIZE 0x20000
230 #define CFG_ENV_SECT_SIZE 0x20000
232 /*-----------------------------------------------------------------------
234 *-----------------------------------------------------------------------
236 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
238 #define CFG_NAND0_BASE 0xE1000000
240 #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
241 #define SECTORSIZE 512
244 #define ADDR_COLUMN 1
246 #define ADDR_COLUMN_PAGE 3
248 #define NAND_ChipID_UNKNOWN 0x00
249 #define NAND_MAX_FLOORS 1
250 #define NAND_MAX_CHIPS 1
252 #define NAND_DISABLE_CE(nand) do \
254 *(((volatile __u8 *)(nand->IO_ADDR)) + 0xc) = 0; \
257 #define NAND_ENABLE_CE(nand) do \
259 *(((volatile __u8 *)(nand->IO_ADDR)) + 0x8) = 0; \
262 #define NAND_CTL_CLRALE(nandptr) do \
264 *(((volatile __u8 *)nandptr) + 0x8) = 0; \
267 #define NAND_CTL_SETALE(nandptr) do \
269 *(((volatile __u8 *)nandptr) + 0x9) = 0; \
272 #define NAND_CTL_CLRCLE(nandptr) do \
274 *(((volatile __u8 *)nandptr) + 0x8) = 0; \
277 #define NAND_CTL_SETCLE(nandptr) do \
279 *(((volatile __u8 *)nandptr) + 0xa) = 0; \
283 /* constant delay (see also tR in the datasheet) */
284 #define NAND_WAIT_READY(nand) do { \
288 /* use the R/B pin */
291 #define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x2)) = (__u8)(d); } while(0)
292 #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x1)) = (__u8)(d); } while(0)
293 #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x0)) = (__u8)d; } while(0)
294 #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)(adr + 0x0)))
296 #endif /* CFG_CMD_NAND */
298 /*-----------------------------------------------------------------------
299 * Hard Reset Configuration Words
301 * if you change bits in the HRCW, you must also change the CFG_*
302 * defines for the various registers affected by the HRCW e.g. changing
303 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
305 #define CFG_HRCW_MASTER (HRCW_BPS01 | HRCW_BMS | HRCW_ISB100 | HRCW_APPC10 | HRCW_MODCK_H1000)
307 /* no slaves so just fill with zeros */
308 #define CFG_HRCW_SLAVE1 0
309 #define CFG_HRCW_SLAVE2 0
310 #define CFG_HRCW_SLAVE3 0
311 #define CFG_HRCW_SLAVE4 0
312 #define CFG_HRCW_SLAVE5 0
313 #define CFG_HRCW_SLAVE6 0
314 #define CFG_HRCW_SLAVE7 0
316 /*-----------------------------------------------------------------------
317 * Internal Memory Mapped Register
319 #define CFG_IMMR 0xF0000000
321 /*-----------------------------------------------------------------------
322 * Definitions for initial stack pointer and data area (in DPRAM)
324 #define CFG_INIT_RAM_ADDR CFG_IMMR
325 #define CFG_INIT_RAM_END 0x2000 /* End of used area in DPRAM */
326 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
327 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
328 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
330 /*-----------------------------------------------------------------------
331 * Start addresses for the final memory configuration
332 * (Set up by the startup code)
333 * Please note that CFG_SDRAM_BASE _must_ start at 0
335 * 60x SDRAM is mapped at CFG_SDRAM_BASE
337 #define CFG_SDRAM_BASE 0x00000000
338 #define CFG_FLASH_BASE CFG_FLASH0_BASE
339 #define CFG_MONITOR_BASE TEXT_BASE
340 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
341 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
344 * Internal Definitions
348 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
349 #define BOOTFLAG_WARM 0x02 /* Software reboot */
352 /*-----------------------------------------------------------------------
353 * Cache Configuration
355 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
356 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
357 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
360 /*-----------------------------------------------------------------------
361 * HIDx - Hardware Implementation-dependent Registers 2-11
362 *-----------------------------------------------------------------------
363 * HID0 also contains cache control - initially enable both caches and
364 * invalidate contents, then the final state leaves only the instruction
365 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
366 * but Soft reset does not.
368 * HID1 has only read-only information - nothing to set.
371 #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI)
372 #define CFG_HID0_FINAL 0
375 /*-----------------------------------------------------------------------
376 * RMR - Reset Mode Register 5-5
377 *-----------------------------------------------------------------------
378 * turn on Checkstop Reset Enable
382 /*-----------------------------------------------------------------------
383 * BCR - Bus Configuration 4-25
384 *-----------------------------------------------------------------------
388 /*-----------------------------------------------------------------------
389 * SIUMCR - SIU Module Configuration 4-31
390 *-----------------------------------------------------------------------
392 #define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10|SIUMCR_BCTLC01)
394 /*-----------------------------------------------------------------------
395 * SYPCR - System Protection Control 4-35
396 * SYPCR can only be written once after reset!
397 *-----------------------------------------------------------------------
398 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
400 #if defined(CONFIG_WATCHDOG)
401 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
402 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
404 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
405 SYPCR_SWRI|SYPCR_SWP)
406 #endif /* CONFIG_WATCHDOG */
408 /*-----------------------------------------------------------------------
409 * TMCNTSC - Time Counter Status and Control 4-40
410 *-----------------------------------------------------------------------
411 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
412 * and enable Time Counter
414 #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
416 /*-----------------------------------------------------------------------
417 * PISCR - Periodic Interrupt Status and Control 4-42
418 *-----------------------------------------------------------------------
419 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
422 #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
424 /*-----------------------------------------------------------------------
425 * SCCR - System Clock Control 9-8
426 *-----------------------------------------------------------------------
427 * Ensure DFBRG is Divide by 16
429 #define CFG_SCCR (0x00000028 | SCCR_DFBRG01)
431 /*-----------------------------------------------------------------------
432 * RCCR - RISC Controller Configuration 13-7
433 *-----------------------------------------------------------------------
438 * Init Memory Controller:
440 * Bank Bus Machine PortSz Device
441 * ---- --- ------- ------ ------
442 * 0 60x GPCM 16 bit FLASH
443 * 1 60x GPCM 8 bit NAND
444 * 2 60x SDRAM 32 bit SDRAM
445 * 3 60x GPCM 8 bit UART
449 #define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
451 /* Minimum mask to separate preliminary
452 * address ranges for CS[0:2]
454 #define CFG_GLOBAL_SDRAM_LIMIT (32<<20) /* less than 32 MB */
456 #define CFG_MPTPR 0x6600
458 /*-----------------------------------------------------------------------------
459 * Address for Mode Register Set (MRS) command
460 *-----------------------------------------------------------------------------
462 #define CFG_MRS_OFFS 0x00000110
467 #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
472 #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
475 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
476 /* Bank 1 - NAND Flash
478 #define CFG_NAND_BASE CFG_NAND0_BASE
479 #define CFG_NAND_SIZE 0x8000
481 #define CFG_OR_TIMING_NAND 0x000036
483 #define CFG_BR1_PRELIM ((CFG_NAND_BASE & BRx_BA_MSK) | BRx_PS_8 | BRx_MS_GPCM_P | BRx_V )
484 #define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_NAND_SIZE) | CFG_OR_TIMING_NAND )
487 /* Bank 2 - 60x bus SDRAM
489 #define CFG_PSRT 0x20
490 #define CFG_LSRT 0x20
492 #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
497 #define CFG_OR2_PRELIM CFG_OR2
500 /* SDRAM initialization values
502 #define CFG_OR2 ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
504 ORxS_ROWST_PBI0_A10 |\
507 #define CFG_PSDMR (PSDMR_SDAM_A13_IS_A5 |\
508 PSDMR_BSMA_A15_A17 |\
509 PSDMR_SDA10_PBI0_A11 |\
521 #define CFG_BR3_PRELIM ((CFG_UART_BASE & BRx_BA_MSK) | BRx_PS_8 | BRx_MS_GPCM_P | BRx_V )
522 #define CFG_OR3_PRELIM (((-CFG_UART_SIZE) & ORxG_AM_MSK) | ORxG_CSNT | ORxG_SCY_1_CLK | ORxG_TRLX )
524 #endif /* __CONFIG_H */