xref: /openbmc/u-boot/include/configs/am335x_evm.h (revision 9ecb0c41)
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 #include <configs/ti_am335x_common.h>
20 
21 #ifndef CONFIG_SPL_BUILD
22 # define CONFIG_TIMESTAMP
23 # define CONFIG_LZO
24 #endif
25 
26 #define CONFIG_SYS_BOOTM_LEN		(16 << 20)
27 
28 #define MACH_TYPE_TIAM335EVM		3589	/* Until the next sync */
29 #define CONFIG_MACH_TYPE		MACH_TYPE_TIAM335EVM
30 #define CONFIG_BOARD_LATE_INIT
31 
32 /* Clock Defines */
33 #define V_OSCK				24000000  /* Clock output from T2 */
34 #define V_SCLK				(V_OSCK)
35 
36 /* Custom script for NOR */
37 #define CONFIG_SYS_LDSCRIPT		"board/ti/am335x/u-boot.lds"
38 
39 /* Always 128 KiB env size */
40 #define CONFIG_ENV_SIZE			(128 << 10)
41 
42 /* Enhance our eMMC support / experience. */
43 #define CONFIG_CMD_GPT
44 #define CONFIG_EFI_PARTITION
45 
46 #ifdef CONFIG_NAND
47 #define NANDARGS \
48 	"mtdids=" MTDIDS_DEFAULT "\0" \
49 	"mtdparts=" MTDPARTS_DEFAULT "\0" \
50 	"nandargs=setenv bootargs console=${console} " \
51 		"${optargs} " \
52 		"root=${nandroot} " \
53 		"rootfstype=${nandrootfstype}\0" \
54 	"nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048\0" \
55 	"nandrootfstype=ubifs rootwait=1\0" \
56 	"nandboot=echo Booting from nand ...; " \
57 		"run nandargs; " \
58 		"nand read ${fdtaddr} NAND.u-boot-spl-os; " \
59 		"nand read ${loadaddr} NAND.kernel; " \
60 		"bootz ${loadaddr} - ${fdtaddr}\0"
61 #else
62 #define NANDARGS ""
63 #endif
64 
65 #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
66 
67 #define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
68 	"bootcmd_" #devtypel #instance "=" \
69 	"setenv mmcdev " #instance"; "\
70 	"setenv bootpart " #instance":2 ; "\
71 	"run mmcboot\0"
72 
73 #define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
74 	#devtypel #instance " "
75 
76 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
77 	"bootcmd_" #devtypel "=" \
78 	"run nandboot\0"
79 
80 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
81 	#devtypel #instance " "
82 
83 #define BOOT_TARGET_DEVICES(func) \
84 	func(MMC, mmc, 0) \
85 	func(LEGACY_MMC, legacy_mmc, 0) \
86 	func(MMC, mmc, 1) \
87 	func(LEGACY_MMC, legacy_mmc, 1) \
88 	func(NAND, nand, 0) \
89 	func(PXE, pxe, na) \
90 	func(DHCP, dhcp, na)
91 
92 #define CONFIG_BOOTCOMMAND \
93 	"run findfdt; " \
94 	"run envboot; " \
95 	"run distro_bootcmd"
96 
97 #include <config_distro_bootcmd.h>
98 
99 #ifndef CONFIG_SPL_BUILD
100 #define CONFIG_EXTRA_ENV_SETTINGS \
101 	DEFAULT_LINUX_BOOT_ENV \
102 	DEFAULT_MMC_TI_ARGS \
103 	"boot_fdt=try\0" \
104 	"bootpart=0:2\0" \
105 	"bootdir=/boot\0" \
106 	"bootfile=zImage\0" \
107 	"fdtfile=undefined\0" \
108 	"console=ttyO0,115200n8\0" \
109 	"partitions=" \
110 		"uuid_disk=${uuid_gpt_disk};" \
111 		"name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
112 	"optargs=\0" \
113 	"ramroot=/dev/ram0 rw\0" \
114 	"ramrootfstype=ext2\0" \
115 	"spiroot=/dev/mtdblock4 rw\0" \
116 	"spirootfstype=jffs2\0" \
117 	"spisrcaddr=0xe0000\0" \
118 	"spiimgsize=0x362000\0" \
119 	"spibusno=0\0" \
120 	"spiargs=setenv bootargs console=${console} " \
121 		"${optargs} " \
122 		"root=${spiroot} " \
123 		"rootfstype=${spirootfstype}\0" \
124 	"ramargs=setenv bootargs console=${console} " \
125 		"${optargs} " \
126 		"root=${ramroot} " \
127 		"rootfstype=${ramrootfstype}\0" \
128 	"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
129 	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
130 	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
131 	"mmcloados=run args_mmc; " \
132 		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
133 			"if run loadfdt; then " \
134 				"bootz ${loadaddr} - ${fdtaddr}; " \
135 			"else " \
136 				"if test ${boot_fdt} = try; then " \
137 					"bootz; " \
138 				"else " \
139 					"echo WARN: Cannot load the DT; " \
140 				"fi; " \
141 			"fi; " \
142 		"else " \
143 			"bootz; " \
144 		"fi;\0" \
145 	"mmcboot=mmc dev ${mmcdev}; " \
146 		"if mmc rescan; then " \
147 			"echo SD/MMC found on device ${mmcdev};" \
148 			"run envboot; " \
149 			"if run loadimage; then " \
150 				"run mmcloados;" \
151 			"fi;" \
152 		"fi;\0" \
153 	"spiboot=echo Booting from spi ...; " \
154 		"run spiargs; " \
155 		"sf probe ${spibusno}:0; " \
156 		"sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
157 		"bootz ${loadaddr}\0" \
158 	"ramboot=echo Booting from ramdisk ...; " \
159 		"run ramargs; " \
160 		"bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
161 	"findfdt="\
162 		"if test $board_name = A335BONE; then " \
163 			"setenv fdtfile am335x-bone.dtb; fi; " \
164 		"if test $board_name = A335BNLT; then " \
165 			"if test $board_rev = BBG1; then " \
166 				"setenv fdtfile am335x-bonegreen.dtb; " \
167 			"else " \
168 				"setenv fdtfile am335x-boneblack.dtb; " \
169 			"fi; " \
170 		"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 $fdtfile = undefined; then " \
176 			"echo WARNING: Could not determine device tree to use; fi; \0" \
177 	NANDARGS \
178 	NETARGS \
179 	DFUARGS \
180 	BOOTENV
181 #endif
182 
183 /* NS16550 Configuration */
184 #define CONFIG_SYS_NS16550_COM1		0x44e09000	/* Base EVM has UART0 */
185 #define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
186 #define CONFIG_SYS_NS16550_COM3		0x48024000	/* UART2 */
187 #define CONFIG_SYS_NS16550_COM4		0x481a6000	/* UART3 */
188 #define CONFIG_SYS_NS16550_COM5		0x481a8000	/* UART4 */
189 #define CONFIG_SYS_NS16550_COM6		0x481aa000	/* UART5 */
190 #define CONFIG_BAUDRATE			115200
191 
192 #define CONFIG_CMD_EEPROM
193 #define CONFIG_ENV_EEPROM_IS_ON_I2C
194 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
195 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
196 
197 /* PMIC support */
198 #define CONFIG_POWER_TPS65217
199 #define CONFIG_POWER_TPS65910
200 
201 /* SPL */
202 #ifndef CONFIG_NOR_BOOT
203 #define CONFIG_SPL_POWER_SUPPORT
204 #define CONFIG_SPL_YMODEM_SUPPORT
205 
206 /* Bootcount using the RTC block */
207 #define CONFIG_BOOTCOUNT_LIMIT
208 #define CONFIG_BOOTCOUNT_AM33XX
209 #define CONFIG_SYS_BOOTCOUNT_BE
210 
211 /* USB gadget RNDIS */
212 #define CONFIG_SPL_MUSB_NEW_SUPPORT
213 
214 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
215 #endif
216 
217 #ifdef CONFIG_NAND
218 /* NAND: device related configs */
219 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
220 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
221 					 CONFIG_SYS_NAND_PAGE_SIZE)
222 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
223 #define CONFIG_SYS_NAND_OOBSIZE		64
224 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
225 /* NAND: driver related configs */
226 #define CONFIG_NAND_OMAP_GPMC
227 #define CONFIG_NAND_OMAP_GPMC_PREFETCH
228 #define CONFIG_NAND_OMAP_ELM
229 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
230 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
231 					 10, 11, 12, 13, 14, 15, 16, 17, \
232 					 18, 19, 20, 21, 22, 23, 24, 25, \
233 					 26, 27, 28, 29, 30, 31, 32, 33, \
234 					 34, 35, 36, 37, 38, 39, 40, 41, \
235 					 42, 43, 44, 45, 46, 47, 48, 49, \
236 					 50, 51, 52, 53, 54, 55, 56, 57, }
237 
238 #define CONFIG_SYS_NAND_ECCSIZE		512
239 #define CONFIG_SYS_NAND_ECCBYTES	14
240 #define CONFIG_SYS_NAND_ONFI_DETECTION
241 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
242 #define MTDIDS_DEFAULT			"nand0=nand.0"
243 #define MTDPARTS_DEFAULT		"mtdparts=nand.0:" \
244 					"128k(NAND.SPL)," \
245 					"128k(NAND.SPL.backup1)," \
246 					"128k(NAND.SPL.backup2)," \
247 					"128k(NAND.SPL.backup3)," \
248 					"256k(NAND.u-boot-spl-os)," \
249 					"1m(NAND.u-boot)," \
250 					"128k(NAND.u-boot-env)," \
251 					"128k(NAND.u-boot-env.backup1)," \
252 					"8m(NAND.kernel)," \
253 					"-(NAND.file-system)"
254 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x000c0000
255 #undef CONFIG_ENV_IS_NOWHERE
256 #define CONFIG_ENV_IS_IN_NAND
257 #define CONFIG_ENV_OFFSET		0x001c0000
258 #define CONFIG_ENV_OFFSET_REDUND	0x001e0000
259 #define CONFIG_SYS_ENV_SECT_SIZE	CONFIG_SYS_NAND_BLOCK_SIZE
260 /* NAND: SPL related configs */
261 #ifdef CONFIG_SPL_NAND_SUPPORT
262 #define CONFIG_SPL_NAND_AM33XX_BCH
263 #endif
264 #ifdef CONFIG_SPL_OS_BOOT
265 #define CONFIG_CMD_SPL_NAND_OFS	0x00080000 /* os parameters */
266 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x00200000 /* kernel offset */
267 #define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
268 #endif
269 #endif /* !CONFIG_NAND */
270 
271 /*
272  * For NOR boot, we must set this to the start of where NOR is mapped
273  * in memory.
274  */
275 #ifdef CONFIG_NOR_BOOT
276 #define CONFIG_SYS_TEXT_BASE		0x08000000
277 #endif
278 
279 /*
280  * USB configuration.  We enable MUSB support, both for host and for
281  * gadget.  We set USB0 as peripheral and USB1 as host, based on the
282  * board schematic and physical port wired to each.  Then for host we
283  * add mass storage support and for gadget we add both RNDIS ethernet
284  * and DFU.
285  */
286 #define CONFIG_USB_MUSB_DSPS
287 #define CONFIG_ARCH_MISC_INIT
288 #define CONFIG_USB_MUSB_GADGET
289 #define CONFIG_USB_MUSB_PIO_ONLY
290 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
291 #define CONFIG_USB_GADGET_DOWNLOAD
292 #define CONFIG_USB_GADGET_DUALSPEED
293 #define CONFIG_USB_GADGET_VBUS_DRAW	2
294 #define CONFIG_USB_MUSB_HOST
295 #define CONFIG_AM335X_USB0
296 #define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
297 #define CONFIG_AM335X_USB1
298 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
299 
300 #ifndef CONFIG_SPL_USBETH_SUPPORT
301 /* Fastboot */
302 #define CONFIG_USB_FUNCTION_FASTBOOT
303 #define CONFIG_CMD_FASTBOOT
304 #define CONFIG_ANDROID_BOOT_IMAGE
305 #define CONFIG_FASTBOOT_BUF_ADDR	CONFIG_SYS_LOAD_ADDR
306 #define CONFIG_FASTBOOT_BUF_SIZE	0x07000000
307 
308 /* To support eMMC booting */
309 #define CONFIG_STORAGE_EMMC
310 #define CONFIG_FASTBOOT_FLASH_MMC_DEV   1
311 #endif
312 
313 #ifdef CONFIG_USB_MUSB_HOST
314 #define CONFIG_CMD_USB
315 #define CONFIG_USB_STORAGE
316 #endif
317 
318 #ifdef CONFIG_USB_MUSB_GADGET
319 /* Removing USB gadget and can be enabled adter adding support usb DM */
320 #ifndef CONFIG_DM_ETH
321 #define CONFIG_USB_ETHER
322 #define CONFIG_USB_ETH_RNDIS
323 #define CONFIG_USBNET_HOST_ADDR	"de:ad:be:af:00:00"
324 #endif /* CONFIG_DM_ETH */
325 
326 /* USB TI's IDs */
327 #define CONFIG_G_DNL_VENDOR_NUM 0x0451
328 #define CONFIG_G_DNL_PRODUCT_NUM 0xD022
329 #define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
330 #endif /* CONFIG_USB_MUSB_GADGET */
331 
332 /*
333  * Disable MMC DM for SPL build and can be re-enabled after adding
334  * DM support in SPL
335  */
336 #ifdef CONFIG_SPL_BUILD
337 #undef CONFIG_DM_MMC
338 #undef CONFIG_TIMER
339 #endif
340 
341 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
342 /* Remove other SPL modes. */
343 #undef CONFIG_SPL_YMODEM_SUPPORT
344 #undef CONFIG_SPL_NAND_SUPPORT
345 #undef CONFIG_SPL_MMC_SUPPORT
346 #define CONFIG_ENV_IS_NOWHERE
347 #undef CONFIG_ENV_IS_IN_NAND
348 /* disable host part of MUSB in SPL */
349 #undef CONFIG_USB_MUSB_HOST
350 /* disable EFI partitions and partition UUID support */
351 #undef CONFIG_PARTITION_UUIDS
352 #undef CONFIG_EFI_PARTITION
353 /* General network SPL  */
354 #define CONFIG_SPL_NET_SUPPORT
355 #define CONFIG_SPL_ENV_SUPPORT
356 #define CONFIG_SPL_NET_VCI_STRING	"AM335x U-Boot SPL"
357 #endif
358 
359 /* USB Device Firmware Update support */
360 #ifndef CONFIG_SPL_BUILD
361 #define CONFIG_USB_FUNCTION_DFU
362 #define CONFIG_DFU_MMC
363 #define CONFIG_CMD_DFU
364 #define DFU_ALT_INFO_MMC \
365 	"dfu_alt_info_mmc=" \
366 	"boot part 0 1;" \
367 	"rootfs part 0 2;" \
368 	"MLO fat 0 1;" \
369 	"MLO.raw raw 0x100 0x100;" \
370 	"u-boot.img.raw raw 0x300 0x400;" \
371 	"spl-os-args.raw raw 0x80 0x80;" \
372 	"spl-os-image.raw raw 0x900 0x2000;" \
373 	"spl-os-args fat 0 1;" \
374 	"spl-os-image fat 0 1;" \
375 	"u-boot.img fat 0 1;" \
376 	"uEnv.txt fat 0 1\0"
377 #ifdef CONFIG_NAND
378 #define CONFIG_DFU_NAND
379 #define DFU_ALT_INFO_NAND \
380 	"dfu_alt_info_nand=" \
381 	"SPL part 0 1;" \
382 	"SPL.backup1 part 0 2;" \
383 	"SPL.backup2 part 0 3;" \
384 	"SPL.backup3 part 0 4;" \
385 	"u-boot part 0 5;" \
386 	"u-boot-spl-os part 0 6;" \
387 	"kernel part 0 8;" \
388 	"rootfs part 0 9\0"
389 #else
390 #define DFU_ALT_INFO_NAND ""
391 #endif
392 #define CONFIG_DFU_RAM
393 #define DFU_ALT_INFO_RAM \
394 	"dfu_alt_info_ram=" \
395 	"kernel ram 0x80200000 0xD80000;" \
396 	"fdt ram 0x80F80000 0x80000;" \
397 	"ramdisk ram 0x81000000 0x4000000\0"
398 #define DFUARGS \
399 	"dfu_alt_info_emmc=rawemmc raw 0 3751936\0" \
400 	DFU_ALT_INFO_MMC \
401 	DFU_ALT_INFO_RAM \
402 	DFU_ALT_INFO_NAND
403 #endif
404 
405 /*
406  * Default to using SPI for environment, etc.
407  * 0x000000 - 0x020000 : SPL (128KiB)
408  * 0x020000 - 0x0A0000 : U-Boot (512KiB)
409  * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
410  * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
411  * 0x0E0000 - 0x442000 : Linux Kernel
412  * 0x442000 - 0x800000 : Userland
413  */
414 #if defined(CONFIG_SPI_BOOT)
415 /* SPL related */
416 #undef CONFIG_SPL_OS_BOOT		/* Not supported by existing map */
417 #define CONFIG_SPL_SPI_SUPPORT
418 #define CONFIG_SPL_SPI_FLASH_SUPPORT
419 #define CONFIG_SPL_SPI_LOAD
420 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
421 
422 #define CONFIG_ENV_IS_IN_SPI_FLASH
423 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
424 #define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
425 #define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
426 #define CONFIG_ENV_OFFSET		(768 << 10) /* 768 KiB in */
427 #define CONFIG_ENV_OFFSET_REDUND	(896 << 10) /* 896 KiB in */
428 #define MTDIDS_DEFAULT			"nor0=m25p80-flash.0"
429 #define MTDPARTS_DEFAULT		"mtdparts=m25p80-flash.0:128k(SPL)," \
430 					"512k(u-boot),128k(u-boot-env1)," \
431 					"128k(u-boot-env2),3464k(kernel)," \
432 					"-(rootfs)"
433 #elif defined(CONFIG_EMMC_BOOT)
434 #undef CONFIG_ENV_IS_NOWHERE
435 #define CONFIG_ENV_IS_IN_MMC
436 #define CONFIG_SPL_ENV_SUPPORT
437 #define CONFIG_SYS_MMC_ENV_DEV		1
438 #define CONFIG_SYS_MMC_ENV_PART		2
439 #define CONFIG_ENV_OFFSET		0x0
440 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
441 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
442 #endif
443 
444 /* SPI flash. */
445 #define CONFIG_CMD_SF
446 #define CONFIG_SF_DEFAULT_SPEED		24000000
447 
448 /* Network. */
449 #define CONFIG_PHY_GIGE
450 #define CONFIG_PHYLIB
451 #define CONFIG_PHY_SMSC
452 
453 /*
454  * NOR Size = 16 MiB
455  * Number of Sectors/Blocks = 128
456  * Sector Size = 128 KiB
457  * Word length = 16 bits
458  * Default layout:
459  * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
460  * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
461  * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
462  * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
463  * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
464  */
465 #if defined(CONFIG_NOR)
466 #undef CONFIG_SYS_NO_FLASH
467 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
468 #define CONFIG_SYS_FLASH_PROTECTION
469 #define CONFIG_SYS_FLASH_CFI
470 #define CONFIG_FLASH_CFI_DRIVER
471 #define CONFIG_FLASH_CFI_MTD
472 #define CONFIG_SYS_MAX_FLASH_SECT	128
473 #define CONFIG_SYS_MAX_FLASH_BANKS	1
474 #define CONFIG_SYS_FLASH_BASE		(0x08000000)
475 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
476 #define CONFIG_SYS_FLASH_SIZE		0x01000000
477 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
478 /* Reduce SPL size by removing unlikey targets */
479 #ifdef CONFIG_NOR_BOOT
480 #define CONFIG_ENV_IS_IN_FLASH
481 #define CONFIG_ENV_SECT_SIZE		(128 << 10)	/* 128 KiB */
482 #define CONFIG_ENV_OFFSET		(512 << 10)	/* 512 KiB */
483 #define CONFIG_ENV_OFFSET_REDUND	(768 << 10)	/* 768 KiB */
484 #define MTDIDS_DEFAULT			"nor0=physmap-flash.0"
485 #define MTDPARTS_DEFAULT		"mtdparts=physmap-flash.0:" \
486 					"512k(u-boot)," \
487 					"128k(u-boot-env1)," \
488 					"128k(u-boot-env2)," \
489 					"4m(kernel),-(rootfs)"
490 #endif
491 #endif  /* NOR support */
492 
493 #endif	/* ! __CONFIG_AM335X_EVM_H */
494