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am335x_evm: Add support for eMMC environment
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1 /*
2  * am335x_evm.h
3  *
4  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation version 2.
9  *
10  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11  * kind, whether express or implied; without even the implied warranty
12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15
16 #ifndef __CONFIG_AM335X_EVM_H
17 #define __CONFIG_AM335X_EVM_H
18
19 #define CONFIG_AM33XX
20 #define CONFIG_OMAP
21
22 #include <asm/arch/omap.h>
23
24 #define CONFIG_DMA_COHERENT
25 #define CONFIG_DMA_COHERENT_SIZE        (1 << 20)
26
27 #define CONFIG_ENV_SIZE                 (128 << 10)     /* 128 KiB */
28 #define CONFIG_SYS_MALLOC_LEN           (1024 << 10)
29 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
30 #define CONFIG_SYS_HUSH_PARSER          /* use "hush" command parser */
31 #define CONFIG_SYS_PROMPT               "U-Boot# "
32 #define CONFIG_BOARD_LATE_INIT
33 #define CONFIG_SYS_NO_FLASH
34 #define MACH_TYPE_TIAM335EVM            3589    /* Until the next sync */
35 #define CONFIG_MACH_TYPE                MACH_TYPE_TIAM335EVM
36
37 #define CONFIG_OF_LIBFDT
38 #define CONFIG_CMD_BOOTZ
39 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
40 #define CONFIG_CMDLINE_EDITING
41 #define CONFIG_STACKSIZE                (128 * 1024)
42 #define CONFIG_AUTO_COMPLETE
43 #define CONFIG_SETUP_MEMORY_TAGS
44 #define CONFIG_INITRD_TAG
45
46 /* Custom script for NOR */
47 #define CONFIG_SYS_LDSCRIPT             "board/ti/am335x/u-boot.lds"
48
49 #define CONFIG_SYS_CACHELINE_SIZE       64
50
51 /* commands to include */
52 #include <config_cmd_default.h>
53
54 #define CONFIG_CMD_ASKENV
55 #define CONFIG_VERSION_VARIABLE
56
57 #ifdef CONFIG_NAND
58 #define NANDARGS \
59         "mtdids=" MTDIDS_DEFAULT "\0" \
60         "mtdparts=" MTDPARTS_DEFAULT "\0" \
61         "nandargs=setenv bootargs console=${console} " \
62                 "${optargs} " \
63                 "root=${nandroot} " \
64                 "rootfstype=${nandrootfstype}\0" \
65         "dfu_alt_info_nand=" DFU_ALT_INFO_NAND "\0" \
66         "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
67         "nandrootfstype=ubifs rootwait=1\0" \
68         "nandsrcaddr=0x280000\0" \
69                 "nandboot=echo Booting from nand ...; " \
70                 "run nandargs; " \
71                 "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
72                 "bootm ${loadaddr}\0" \
73         "nandimgsize=0x500000\0"
74 #else
75 #define NANDARGS ""
76 #endif
77
78 /* set to negative value for no autoboot */
79 #define CONFIG_BOOTDELAY                1
80 #define CONFIG_ENV_VARS_UBOOT_CONFIG
81 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
82 #ifndef CONFIG_SPL_BUILD
83 #define CONFIG_EXTRA_ENV_SETTINGS \
84         "loadaddr=0x80200000\0" \
85         "fdtaddr=0x80F80000\0" \
86         "fdt_high=0xffffffff\0" \
87         "rdaddr=0x81000000\0" \
88         "bootdir=/boot\0" \
89         "bootfile=uImage\0" \
90         "fdtfile=undefined\0" \
91         "console=ttyO0,115200n8\0" \
92         "optargs=\0" \
93         "dfu_alt_info_mmc=" DFU_ALT_INFO_MMC "\0" \
94         "dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \
95         "mmcdev=0\0" \
96         "mmcroot=/dev/mmcblk0p2 ro\0" \
97         "mmcrootfstype=ext4 rootwait\0" \
98         "bootpart=0:2\0" \
99         "rootpath=/export/rootfs\0" \
100         "nfsopts=nolock\0" \
101         "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
102                 "::off\0" \
103         "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
104         "ramrootfstype=ext2\0" \
105         "mmcargs=setenv bootargs console=${console} " \
106                 "${optargs} " \
107                 "root=${mmcroot} " \
108                 "rootfstype=${mmcrootfstype}\0" \
109         "spiroot=/dev/mtdblock4 rw\0" \
110         "spirootfstype=jffs2\0" \
111         "spisrcaddr=0xe0000\0" \
112         "spiimgsize=0x362000\0" \
113         "spibusno=0\0" \
114         "spiargs=setenv bootargs console=${console} " \
115                 "${optargs} " \
116                 "root=${spiroot} " \
117                 "rootfstype=${spirootfstype}\0" \
118         "netargs=setenv bootargs console=${console} " \
119                 "${optargs} " \
120                 "root=/dev/nfs " \
121                 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
122                 "ip=dhcp\0" \
123         "bootenv=uEnv.txt\0" \
124         "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
125         "importbootenv=echo Importing environment from mmc ...; " \
126                 "env import -t $loadaddr $filesize\0" \
127         "ramargs=setenv bootargs console=${console} " \
128                 "${optargs} " \
129                 "root=${ramroot} " \
130                 "rootfstype=${ramrootfstype}\0" \
131         "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
132         "loaduimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
133         "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
134         "mmcboot=mmc dev ${mmcdev}; " \
135                 "if mmc rescan; then " \
136                         "echo SD/MMC found on device ${mmcdev};" \
137                         "if run loadbootenv; then " \
138                                 "echo Loaded environment from ${bootenv};" \
139                                 "run importbootenv;" \
140                         "fi;" \
141                         "if test -n $uenvcmd; then " \
142                                 "echo Running uenvcmd ...;" \
143                                 "run uenvcmd;" \
144                         "fi;" \
145                         "if run loaduimage; then " \
146                                 "run loadfdt;" \
147                                 "run mmcargs; " \
148                                 "bootm ${loadaddr} - ${fdtaddr};" \
149                         "fi;" \
150                 "fi;\0" \
151         "spiboot=echo Booting from spi ...; " \
152                 "run spiargs; " \
153                 "sf probe ${spibusno}:0; " \
154                 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
155                 "bootm ${loadaddr}\0" \
156         "netboot=echo Booting from network ...; " \
157                 "setenv autoload no; " \
158                 "dhcp; " \
159                 "tftp ${loadaddr} ${bootfile}; " \
160                 "tftp ${fdtaddr} ${fdtfile}; " \
161                 "run netargs; " \
162                 "bootm ${loadaddr} - ${fdtaddr}\0" \
163         "ramboot=echo Booting from ramdisk ...; " \
164                 "run ramargs; " \
165                 "bootm ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
166         "findfdt="\
167                 "if test $board_name = A335BONE; then " \
168                         "setenv fdtfile am335x-bone.dtb; fi; " \
169                 "if test $board_name = A335BNLT; then " \
170                         "setenv fdtfile am335x-boneblack.dtb; fi; " \
171                 "if test $board_name = A33515BB; then " \
172                         "setenv fdtfile am335x-evm.dtb; fi; " \
173                 "if test $board_name = A335X_SK; then " \
174                         "setenv fdtfile am335x-evmsk.dtb; fi; " \
175                 "if test $fdtfile = undefined; then " \
176                         "echo WARNING: Could not determine device tree to use; fi; \0" \
177         NANDARGS
178 #endif
179
180 #define CONFIG_BOOTCOMMAND \
181         "run findfdt; " \
182         "run mmcboot;" \
183         "setenv mmcdev 1; " \
184         "setenv bootpart 1:2; " \
185         "run mmcboot;" \
186         "run nandboot;"
187
188 /* Clock Defines */
189 #define V_OSCK                          24000000  /* Clock output from T2 */
190 #define V_SCLK                          (V_OSCK)
191
192 #define CONFIG_CMD_ECHO
193
194 /* We set the max number of command args high to avoid HUSH bugs. */
195 #define CONFIG_SYS_MAXARGS              64
196
197 /* Console I/O Buffer Size */
198 #define CONFIG_SYS_CBSIZE               512
199
200 /* Print Buffer Size */
201 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
202                                         + sizeof(CONFIG_SYS_PROMPT) + 16)
203
204 /* Boot Argument Buffer Size */
205 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
206
207 /*
208  * memtest works on 8 MB in DRAM after skipping 32MB from
209  * start addr of ram disk
210  */
211 #define CONFIG_SYS_MEMTEST_START        (PHYS_DRAM_1 + (64 * 1024 * 1024))
212 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_MEMTEST_START \
213                                         + (8 * 1024 * 1024))
214
215 #define CONFIG_SYS_LOAD_ADDR            0x81000000 /* Default load address */
216
217 #define CONFIG_MMC
218 #define CONFIG_GENERIC_MMC
219 #define CONFIG_OMAP_HSMMC
220 #define CONFIG_CMD_MMC
221 #define CONFIG_DOS_PARTITION
222 #define CONFIG_CMD_FAT
223 #define CONFIG_FAT_WRITE
224 #define CONFIG_CMD_EXT2
225 #define CONFIG_CMD_EXT4
226 #define CONFIG_CMD_FS_GENERIC
227
228 #define CONFIG_SPI
229 #define CONFIG_OMAP3_SPI
230 #define CONFIG_MTD_DEVICE
231 #define CONFIG_SPI_FLASH
232 #define CONFIG_SPI_FLASH_WINBOND
233 #define CONFIG_CMD_SF
234 #define CONFIG_SF_DEFAULT_SPEED         (24000000)
235
236 /* USB Composite download gadget - g_dnl */
237 #define CONFIG_USB_GADGET
238 #define CONFIG_USBDOWNLOAD_GADGET
239
240 /* USB TI's IDs */
241 #define CONFIG_USBD_HS
242 #define CONFIG_G_DNL_VENDOR_NUM 0x0403
243 #define CONFIG_G_DNL_PRODUCT_NUM 0xBD00
244 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
245
246 /* USB Device Firmware Update support */
247 #define CONFIG_DFU_FUNCTION
248 #define CONFIG_DFU_MMC
249 #define CONFIG_CMD_DFU
250 #define DFU_ALT_INFO_MMC \
251         "boot part 0 1;" \
252         "rootfs part 0 2;" \
253         "MLO fat 0 1;" \
254         "MLO.raw mmc 100 100;" \
255         "u-boot.img.raw mmc 300 400;" \
256         "spl-os-args.raw mmc 80 80;" \
257         "spl-os-image.raw mmc 900 2000;" \
258         "spl-os-args fat 0 1;" \
259         "spl-os-image fat 0 1;" \
260         "u-boot.img fat 0 1;" \
261         "uEnv.txt fat 0 1"
262 #ifdef CONFIG_NAND
263 #define CONFIG_DFU_NAND
264 #define DFU_ALT_INFO_NAND \
265         "SPL part 0 1;" \
266         "SPL.backup1 part 0 2;" \
267         "SPL.backup2 part 0 3;" \
268         "SPL.backup3 part 0 4;" \
269         "u-boot part 0 5;" \
270         "u-boot-spl-os part 0 6;" \
271         "kernel part 0 8;" \
272         "rootfs part 0 9"
273 #endif
274
275  /* Physical Memory Map */
276 #define CONFIG_NR_DRAM_BANKS            1               /*  1 bank of DRAM */
277 #define PHYS_DRAM_1                     0x80000000      /* DRAM Bank #1 */
278 #define CONFIG_MAX_RAM_BANK_SIZE        (1024 << 20)    /* 1GB */
279
280 #define CONFIG_SYS_SDRAM_BASE           PHYS_DRAM_1
281 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
282                                                 GENERATED_GBL_DATA_SIZE)
283  /* Platform/Board specific defs */
284 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
285 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
286 #define CONFIG_SYS_HZ                   1000    /* 1ms clock */
287
288 /* NS16550 Configuration */
289 #define CONFIG_SYS_NS16550
290 #define CONFIG_SYS_NS16550_SERIAL
291 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
292 #define CONFIG_SYS_NS16550_CLK          (48000000)
293 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* Base EVM has UART0 */
294 #define CONFIG_SYS_NS16550_COM2         0x48022000      /* UART1 */
295 #define CONFIG_SYS_NS16550_COM3         0x48024000      /* UART2 */
296 #define CONFIG_SYS_NS16550_COM4         0x481a6000      /* UART3 */
297 #define CONFIG_SYS_NS16550_COM5         0x481a8000      /* UART4 */
298 #define CONFIG_SYS_NS16550_COM6         0x481aa000      /* UART5 */
299
300 /* I2C Configuration */
301 #define CONFIG_I2C
302 #define CONFIG_CMD_I2C
303 #define CONFIG_HARD_I2C
304 #define CONFIG_SYS_I2C_SPEED            100000
305 #define CONFIG_SYS_I2C_SLAVE            1
306 #define CONFIG_I2C_MULTI_BUS
307 #define CONFIG_DRIVER_OMAP24XX_I2C
308 #define CONFIG_CMD_EEPROM
309 #define CONFIG_ENV_EEPROM_IS_ON_I2C
310 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50    /* Main EEPROM */
311 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
312 #define CONFIG_SYS_I2C_MULTI_EEPROMS
313
314 #define CONFIG_OMAP_GPIO
315
316 #define CONFIG_BAUDRATE         115200
317 #define CONFIG_SYS_BAUDRATE_TABLE       { 110, 300, 600, 1200, 2400, \
318 4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }
319
320 /* CPU */
321 #define CONFIG_ARCH_CPU_INIT
322
323 #define CONFIG_ENV_OVERWRITE            1
324 #define CONFIG_SYS_CONSOLE_INFO_QUIET
325
326 #ifndef CONFIG_NOR_BOOT
327 /* Defines for SPL */
328 #define CONFIG_SPL
329 #define CONFIG_SPL_FRAMEWORK
330 /*
331  * Place the image at the start of the ROM defined image space.
332  * We limit our size to the ROM-defined downloaded image area, and use the
333  * rest of the space for stack.
334  */
335 #define CONFIG_SPL_TEXT_BASE            0x402F0400
336 #define CONFIG_SPL_MAX_SIZE             (0x4030C000 - CONFIG_SPL_TEXT_BASE)
337 #define CONFIG_SPL_STACK                CONFIG_SYS_INIT_SP_ADDR
338
339 #define CONFIG_SPL_OS_BOOT
340
341 #define CONFIG_SPL_BSS_START_ADDR       0x80a00000
342 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
343
344 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
345 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS      0x200 /* 256 KB */
346 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION    1
347 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME        "u-boot.img"
348
349 #ifdef CONFIG_SPL_OS_BOOT
350 /* fat */
351 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME         "uImage"
352 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME           "args"
353 #define CONFIG_SYS_SPL_ARGS_ADDR                (PHYS_DRAM_1 + 0x100)
354
355 /* raw mmc */
356 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900   /* address 0x120000 */
357 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR   0x80    /* address 0x10000 */
358 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS  0x80    /* 64KiB */
359
360 /* nand */
361 #ifdef CONFIG_NAND
362 #define CONFIG_CMD_SPL_NAND_OFS                 0x240000 /* end of u-boot */
363 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS         0x280000
364 #define CONFIG_CMD_SPL_WRITE_SIZE               0x2000
365 #endif
366
367 /* spl export command */
368 #define CONFIG_CMD_SPL
369 #endif
370
371 #define CONFIG_SPL_MMC_SUPPORT
372 #define CONFIG_SPL_FAT_SUPPORT
373 #define CONFIG_SPL_I2C_SUPPORT
374
375 #define CONFIG_SPL_LIBCOMMON_SUPPORT
376 #define CONFIG_SPL_LIBDISK_SUPPORT
377 #define CONFIG_SPL_LIBGENERIC_SUPPORT
378 #define CONFIG_SPL_SERIAL_SUPPORT
379 #define CONFIG_SPL_GPIO_SUPPORT
380 #define CONFIG_SPL_YMODEM_SUPPORT
381 #define CONFIG_SPL_NET_SUPPORT
382 #define CONFIG_SPL_ENV_SUPPORT
383 #define CONFIG_SPL_NET_VCI_STRING       "AM335x U-Boot SPL"
384 #define CONFIG_SPL_ETH_SUPPORT
385 #define CONFIG_SPL_SPI_SUPPORT
386 #define CONFIG_SPL_SPI_FLASH_SUPPORT
387 #define CONFIG_SPL_SPI_LOAD
388 #define CONFIG_SPL_SPI_BUS              0
389 #define CONFIG_SPL_SPI_CS               0
390 #define CONFIG_SYS_SPI_U_BOOT_OFFS      0x20000
391 #define CONFIG_SPL_MUSB_NEW_SUPPORT
392 #define CONFIG_SPL_LDSCRIPT             "$(CPUDIR)/am33xx/u-boot-spl.lds"
393
394 #define CONFIG_SPL_BOARD_INIT
395
396 #ifdef CONFIG_NAND
397 #define CONFIG_SPL_NAND_AM33XX_BCH
398 #define CONFIG_SPL_NAND_SUPPORT
399 #define CONFIG_SPL_NAND_BASE
400 #define CONFIG_SPL_NAND_DRIVERS
401 #define CONFIG_SPL_NAND_ECC
402 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
403 #define CONFIG_SYS_NAND_PAGE_COUNT      (CONFIG_SYS_NAND_BLOCK_SIZE / \
404                                          CONFIG_SYS_NAND_PAGE_SIZE)
405 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
406 #define CONFIG_SYS_NAND_OOBSIZE         64
407 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128*1024)
408 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
409 #define CONFIG_SYS_NAND_ECCPOS          { 2, 3, 4, 5, 6, 7, 8, 9, \
410                                          10, 11, 12, 13, 14, 15, 16, 17, \
411                                          18, 19, 20, 21, 22, 23, 24, 25, \
412                                          26, 27, 28, 29, 30, 31, 32, 33, \
413                                          34, 35, 36, 37, 38, 39, 40, 41, \
414                                          42, 43, 44, 45, 46, 47, 48, 49, \
415                                          50, 51, 52, 53, 54, 55, 56, 57, }
416
417 #define CONFIG_SYS_NAND_ECCSIZE         512
418 #define CONFIG_SYS_NAND_ECCBYTES        14
419
420 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
421
422 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x80000
423 #endif
424 #endif
425
426 /*
427  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
428  * 64 bytes before this address should be set aside for u-boot.img's
429  * header. That is 0x800FFFC0--0x80100000 should not be used for any
430  * other needs.
431  */
432 #ifdef CONFIG_NOR_BOOT
433 #define CONFIG_SYS_TEXT_BASE            0x08000000
434 #else
435 #define CONFIG_SYS_TEXT_BASE            0x80800000
436 #endif
437 #define CONFIG_SYS_SPL_MALLOC_START     0x80a08000
438 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x100000
439
440 /* Since SPL did pll and ddr initialization for us,
441  * we don't need to do it twice.
442  */
443 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
444 #define CONFIG_SKIP_LOWLEVEL_INIT
445 #endif
446
447 /*
448  * USB configuration
449  */
450 #define CONFIG_USB_MUSB_DSPS
451 #define CONFIG_ARCH_MISC_INIT
452 #define CONFIG_MUSB_GADGET
453 #define CONFIG_MUSB_PIO_ONLY
454 #define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT
455 #define CONFIG_USB_GADGET_DUALSPEED
456 #define CONFIG_USB_GADGET_VBUS_DRAW     2
457 #define CONFIG_MUSB_HOST
458 #define CONFIG_AM335X_USB0
459 #define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
460 #define CONFIG_AM335X_USB1
461 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
462
463 #ifdef CONFIG_MUSB_HOST
464 #define CONFIG_CMD_USB
465 #define CONFIG_USB_STORAGE
466 #endif
467
468 #ifdef CONFIG_MUSB_GADGET
469 #define CONFIG_USB_ETHER
470 #define CONFIG_USB_ETH_RNDIS
471 #define CONFIG_USBNET_HOST_ADDR "de:ad:be:af:00:00"
472 #endif /* CONFIG_MUSB_GADGET */
473
474 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
475 /* disable host part of MUSB in SPL */
476 #undef CONFIG_MUSB_HOST
477 /*
478  * Disable CPSW SPL support so we fit within the 101KiB limit.
479  */
480 #undef CONFIG_SPL_ETH_SUPPORT
481 #endif
482
483 /*
484  * Default to using SPI for environment, etc.
485  * 0x000000 - 0x020000 : SPL (128KiB)
486  * 0x020000 - 0x0A0000 : U-Boot (512KiB)
487  * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
488  * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
489  * 0x0E0000 - 0x442000 : Linux Kernel
490  * 0x442000 - 0x800000 : Userland
491  */
492 #if defined(CONFIG_SPI_BOOT)
493 #define CONFIG_ENV_IS_IN_SPI_FLASH
494 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
495 #define CONFIG_ENV_SPI_MAX_HZ           CONFIG_SF_DEFAULT_SPEED
496 #define CONFIG_ENV_SECT_SIZE            (4 << 10) /* 4 KB sectors */
497 #define CONFIG_ENV_OFFSET               (768 << 10) /* 768 KiB in */
498 #define CONFIG_ENV_OFFSET_REDUND        (896 << 10) /* 896 KiB in */
499 #define CONFIG_CMD_MTDPARTS
500 #define MTDIDS_DEFAULT                  "nor0=m25p80-flash.0"
501 #define MTDPARTS_DEFAULT                "mtdparts=m25p80-flash.0:128k(SPL)," \
502                                         "512k(u-boot),128k(u-boot-env1)," \
503                                         "128k(u-boot-env2),3464k(kernel)," \
504                                         "-(rootfs)"
505 #elif defined(CONFIG_EMMC_BOOT)
506 #undef CONFIG_ENV_IS_NOWHERE
507 #define CONFIG_ENV_IS_IN_MMC
508 #define CONFIG_SYS_MMC_ENV_DEV          1
509 #define CONFIG_SYS_MMC_ENV_PART         2
510 #endif
511
512 /* Unsupported features */
513 #undef CONFIG_USE_IRQ
514
515 #define CONFIG_CMD_NET
516 #define CONFIG_CMD_DHCP
517 #define CONFIG_CMD_PING
518 #define CONFIG_DRIVER_TI_CPSW
519 #define CONFIG_MII
520 #define CONFIG_BOOTP_DEFAULT
521 #define CONFIG_BOOTP_DNS
522 #define CONFIG_BOOTP_DNS2
523 #define CONFIG_BOOTP_SEND_HOSTNAME
524 #define CONFIG_BOOTP_GATEWAY
525 #define CONFIG_BOOTP_SUBNETMASK
526 #define CONFIG_NET_RETRY_COUNT         10
527 #define CONFIG_NET_MULTI
528 #define CONFIG_PHY_GIGE
529 #define CONFIG_PHYLIB
530 #define CONFIG_PHY_ADDR                 0
531 #define CONFIG_PHY_SMSC
532
533 /* NAND support */
534 #ifdef CONFIG_NAND
535 #define CONFIG_CMD_NAND
536 #define CONFIG_CMD_MTDPARTS
537 #define CONFIG_NAND_OMAP_GPMC
538 #define GPMC_NAND_ECC_LP_x16_LAYOUT     1
539 #define CONFIG_SYS_NAND_BASE            (0x08000000)    /* physical address */
540                                                         /* to access nand at */
541                                                         /* CS0 */
542 #define CONFIG_SYS_MAX_NAND_DEVICE      1               /* Max number of NAND
543                                                            devices */
544 #if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT)
545 #define MTDIDS_DEFAULT                  "nand0=omap2-nand.0"
546 #define MTDPARTS_DEFAULT                "mtdparts=omap2-nand.0:128k(SPL)," \
547                                         "128k(SPL.backup1)," \
548                                         "128k(SPL.backup2)," \
549                                         "128k(SPL.backup3),1792k(u-boot)," \
550                                         "128k(u-boot-spl-os)," \
551                                         "128k(u-boot-env),5m(kernel),-(rootfs)"
552 #define CONFIG_ENV_IS_IN_NAND
553 #define CONFIG_ENV_OFFSET               0x260000 /* environment starts here */
554 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
555 #endif
556 #endif
557
558 /*
559  * NOR Size = 16 MiB
560  * Number of Sectors/Blocks = 128
561  * Sector Size = 128 KiB
562  * Word length = 16 bits
563  * Default layout:
564  * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
565  * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
566  * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
567  * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
568  * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
569  */
570 #if defined(CONFIG_NOR)
571 #undef CONFIG_SYS_NO_FLASH
572 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
573 #define CONFIG_SYS_FLASH_PROTECTION
574 #define CONFIG_SYS_FLASH_CFI
575 #define CONFIG_FLASH_CFI_DRIVER
576 #define CONFIG_FLASH_CFI_MTD
577 #define CONFIG_SYS_MAX_FLASH_SECT       128
578 #define CONFIG_SYS_MAX_FLASH_BANKS      1
579 #define CONFIG_SYS_FLASH_BASE           (0x08000000)
580 #define CONFIG_SYS_FLASH_CFI_WIDTH      FLASH_CFI_16BIT
581 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
582 #ifdef CONFIG_NOR_BOOT
583 #define CONFIG_ENV_IS_IN_FLASH
584 #define CONFIG_ENV_SECT_SIZE            (128 << 10)     /* 128 KiB */
585 #define CONFIG_ENV_OFFSET               (512 << 10)     /* 512 KiB */
586 #define CONFIG_ENV_OFFSET_REDUND        (768 << 10)     /* 768 KiB */
587 #define CONFIG_CMD_MTDPARTS
588 #define MTDIDS_DEFAULT                  "nor0=physmap-flash.0"
589 #define MTDPARTS_DEFAULT                "mtdparts=physmap-flash.0:" \
590                                         "512k(u-boot)," \
591                                         "128k(u-boot-env1)," \
592                                         "128k(u-boot-env2)," \
593                                         "4m(kernel),-(rootfs)"
594 #endif
595 #define CONFIG_MTD_DEVICE
596 #define CONFIG_CMD_FLASH
597 #endif  /* NOR support */
598
599 #endif  /* ! __CONFIG_AM335X_EVM_H */