1 /*
2  * siemens am33x common board options
3  * (C) Copyright 2013 Siemens Schweiz AG
4  * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
5  *
6  * Based on:
7  * U-Boot file:/include/configs/am335x_evm.h
8  *
9  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
10  *
11  * SPDX-License-Identifier:	GPL-2.0+
12  */
13 
14 #ifndef __CONFIG_SIEMENS_AM33X_COMMON_H
15 #define __CONFIG_SIEMENS_AM33X_COMMON_H
16 
17 #define CONFIG_AM33XX
18 #define CONFIG_OMAP
19 #define CONFIG_OMAP_COMMON
20 
21 #include <asm/arch/omap.h>
22 
23 #define CONFIG_DMA_COHERENT
24 #define CONFIG_DMA_COHERENT_SIZE	(1 << 20)
25 
26 #define CONFIG_ENV_SIZE			(0x2000)
27 #define CONFIG_SYS_MALLOC_LEN		(16 * 1024 * 1024)
28 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
29 #define CONFIG_BOARD_LATE_INIT
30 #define CONFIG_SYS_NO_FLASH
31 #ifdef CONFIG_SIEMENS_MACH_TYPE
32 #define CONFIG_MACH_TYPE		CONFIG_SIEMENS_MACH_TYPE
33 #endif
34 
35 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
36 #define CONFIG_SETUP_MEMORY_TAGS
37 #define CONFIG_INITRD_TAG
38 
39 /* commands to include */
40 
41 #define CONFIG_ENV_VARS_UBOOT_CONFIG
42 #ifndef CONFIG_SPL_BUILD
43 #define CONFIG_ROOTPATH		"/opt/eldk"
44 #endif
45 
46 #define CONFIG_ENV_OVERWRITE		1
47 #define CONFIG_ENV_IS_NOWHERE
48 
49 #define CONFIG_SYS_LONGHELP
50 #define CONFIG_CMDLINE_EDITING
51 #define CONFIG_AUTO_COMPLETE
52 #define CONFIG_SYS_AUTOLOAD	"yes"
53 
54 /* Clock Defines */
55 #define V_OSCK				24000000  /* Clock output from T2 */
56 #define V_SCLK				(V_OSCK)
57 
58 /* We set the max number of command args high to avoid HUSH bugs. */
59 #define CONFIG_SYS_MAXARGS		32
60 
61 /* Console I/O Buffer Size */
62 #define CONFIG_SYS_CBSIZE		1024
63 
64 /* Print Buffer Size */
65 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE \
66 					+ sizeof(CONFIG_SYS_PROMPT) + 16)
67 
68 /* Boot Argument Buffer Size */
69 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
70 
71 /*
72  * memtest works on 8 MB in DRAM after skipping 32MB from
73  * start addr of ram disk
74  */
75 #define CONFIG_SYS_MEMTEST_START	(PHYS_DRAM_1 + (64 * 1024 * 1024))
76 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START \
77 					+ (8 * 1024 * 1024))
78 
79 #define CONFIG_SYS_LOAD_ADDR		0x81000000 /* Default load address */
80 
81 #define CONFIG_MMC
82 #define CONFIG_GENERIC_MMC
83 #define CONFIG_OMAP_HSMMC
84 #define CONFIG_DOS_PARTITION
85 
86 #define CONFIG_SPI
87 #define CONFIG_OMAP3_SPI
88 #define CONFIG_MTD_DEVICE
89 #define CONFIG_SF_DEFAULT_SPEED		(75000000)
90 
91  /* Physical Memory Map */
92 #define CONFIG_NR_DRAM_BANKS		1		/*  1 bank of DRAM */
93 #define PHYS_DRAM_1			0x80000000	/* DRAM Bank #1 */
94 
95 #define CONFIG_SYS_SDRAM_BASE		PHYS_DRAM_1
96 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
97 						GENERATED_GBL_DATA_SIZE)
98  /* Platform/Board specific defs */
99 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
100 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
101 
102 /* NS16550 Configuration */
103 #ifdef CONFIG_SPL_BUILD
104 #define CONFIG_SYS_NS16550_SERIAL
105 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
106 #endif
107 #define CONFIG_SYS_NS16550_CLK		(48000000)
108 #define CONFIG_SYS_NS16550_COM1		0x44e09000
109 #define CONFIG_SYS_NS16550_COM4		0x481a6000
110 
111 #define CONFIG_BAUDRATE		115200
112 
113 #define CONFIG_SYS_CONSOLE_INFO_QUIET
114 #define CONFIG_SERIAL1                  1
115 #define CONFIG_CONS_INDEX               1
116 
117 /* I2C Configuration */
118 #define CONFIG_I2C
119 #define CONFIG_SYS_I2C
120 #define CONFIG_SYS_OMAP24_I2C_SPEED	100000
121 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
122 #define CONFIG_SYS_I2C_OMAP24XX
123 
124 /* Defines for SPL */
125 #define CONFIG_SPL_FRAMEWORK
126 #define CONFIG_SPL_TEXT_BASE		0x402F0400
127 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
128 					 CONFIG_SPL_TEXT_BASE)
129 
130 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
131 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
132 
133 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
134 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
135 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
136 #define CONFIG_FS_FAT
137 
138 #define CONFIG_SPL_SPI_LOAD
139 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
140 
141 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
142 
143 #define CONFIG_SPL_BOARD_INIT
144 #define CONFIG_SPL_NAND_AM33XX_BCH
145 #define CONFIG_SPL_NAND_BASE
146 #define CONFIG_SPL_NAND_DRIVERS
147 #define CONFIG_SPL_NAND_ECC
148 #define CONFIG_SYS_NAND_ONFI_DETECTION
149 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
150 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
151 					 CONFIG_SYS_NAND_PAGE_SIZE)
152 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
153 #define CONFIG_SYS_NAND_OOBSIZE		64
154 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
155 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
156 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
157 					 10, 11, 12, 13, 14, 15, 16, 17, \
158 					 18, 19, 20, 21, 22, 23, 24, 25, \
159 					 26, 27, 28, 29, 30, 31, 32, 33, \
160 					 34, 35, 36, 37, 38, 39, 40, 41, \
161 					 42, 43, 44, 45, 46, 47, 48, 49, \
162 					 50, 51, 52, 53, 54, 55, 56, 57, }
163 
164 #define CONFIG_SYS_NAND_ECCSIZE		512
165 #define CONFIG_SYS_NAND_ECCBYTES	14
166 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
167 
168 #define CONFIG_SYS_NAND_ECCSTEPS	4
169 #define	CONFIG_SYS_NAND_ECCTOTAL	(CONFIG_SYS_NAND_ECCBYTES * \
170 						CONFIG_SYS_NAND_ECCSTEPS)
171 
172 #define	CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
173 
174 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
175 
176 /*
177  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
178  * 64 bytes before this address should be set aside for u-boot.img's
179  * header. That is 0x800FFFC0--0x80100000 should not be used for any
180  * other needs.
181  */
182 #define CONFIG_SYS_TEXT_BASE		0x80100000
183 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
184 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
185 
186 /*
187  * Since SPL did pll and ddr initialization for us,
188  * we don't need to do it twice.
189  */
190 #ifndef CONFIG_SPL_BUILD
191 #define CONFIG_SKIP_LOWLEVEL_INIT
192 #endif
193 
194 #ifndef CONFIG_SPL_BUILD
195 /*
196  * USB configuration
197  */
198 #define CONFIG_USB_MUSB_DSPS
199 #define CONFIG_ARCH_MISC_INIT
200 #define CONFIG_USB_MUSB_PIO_ONLY
201 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
202 #undef CONFIG_USB_GADGET_DUALSPEED
203 
204 #define CONFIG_AM335X_USB0
205 #define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
206 #define CONFIG_AM335X_USB1
207 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
208 
209 #ifdef CONFIG_USB_MUSB_GADGET
210 #define CONFIG_USB_ETHER
211 #define CONFIG_USB_ETH_RNDIS
212 #define CONFIG_USBNET_HOST_ADDR	"de:ad:be:af:00:00"
213 #endif /* CONFIG_USB_MUSB_GADGET */
214 
215 /* USB DRACO ID as default */
216 #define CONFIG_USBD_HS
217 
218 /* USB Device Firmware Update support */
219 #define CONFIG_SYS_DFU_DATA_BUF_SIZE	(1 << 20)
220 #define DFU_MANIFEST_POLL_TIMEOUT	25000
221 
222 #endif /* CONFIG_SPL_BUILD */
223 
224 /*
225  * Default to using SPI for environment, etc.  We have multiple copies
226  * of SPL as the ROM will check these locations.
227  * 0x0 - 0x20000 : First copy of SPL
228  * 0x20000 - 0x40000 : Second copy of SPL
229  * 0x40000 - 0x60000 : Third copy of SPL
230  * 0x60000 - 0x80000 : Fourth copy of SPL
231  * 0x80000 - 0xDF000 : U-Boot
232  * 0xDF000 - 0xE0000 : U-Boot Environment
233  * 0xE0000 - 0x442000 : Linux Kernel
234  * 0x442000 - 0x800000 : Userland
235  */
236 #if defined(CONFIG_SPI_BOOT)
237 # undef CONFIG_ENV_IS_NOWHERE
238 # define CONFIG_ENV_IS_IN_SPI_FLASH
239 # define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
240 # define CONFIG_ENV_OFFSET		(892 << 10) /* 892 KiB in */
241 # define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
242 #endif /* SPI support */
243 
244 /* Unsupported features */
245 #undef CONFIG_USE_IRQ
246 
247 #define CONFIG_DRIVER_TI_CPSW
248 #define CONFIG_MII
249 #define CONFIG_PHY_GIGE
250 #define CONFIG_PHYLIB
251 #define CONFIG_BOOTP_DEFAULT
252 #define CONFIG_BOOTP_DNS
253 #define CONFIG_BOOTP_DNS2
254 #define CONFIG_BOOTP_SEND_HOSTNAME
255 #define CONFIG_BOOTP_GATEWAY
256 #define CONFIG_BOOTP_SUBNETMASK
257 #define CONFIG_NET_RETRY_COUNT         10
258 
259 #define CONFIG_NAND
260 /* NAND support */
261 #ifdef CONFIG_NAND
262 #define CONFIG_CMD_NAND
263 
264 /* UBI Support */
265 #ifndef CONFIG_SPL_BUILD
266 #define CONFIG_CMD_MTDPARTS
267 #define CONFIG_MTD_PARTITIONS
268 #define CONFIG_MTD_DEVICE
269 #define CONFIG_RBTREE
270 #define CONFIG_LZO
271 #define CONFIG_CMD_UBIFS
272 #endif
273 
274 /* Commen environment */
275 #define CONFIG_PREBOOT
276 #define COMMON_ENV_DFU_ARGS	"dfu_args=run bootargs_defaults;" \
277 				"setenv bootargs ${bootargs};" \
278 				"mtdparts default;" \
279 				"draco_led 1;" \
280 				"dfu 0 nand 0;" \
281 				"draco_led 0;\0" \
282 
283 #define COMMON_ENV_NAND_BOOT \
284 		"nand_boot=echo Booting from nand; " \
285 		"if test ${upgrade_available} -eq 1; then " \
286 			"if test ${bootcount} -gt ${bootlimit}; " \
287 				"then " \
288 				"setenv upgrade_available 0;" \
289 				"setenv ${partitionset_active} true;" \
290 				"if test -n ${A}; then " \
291 					"setenv partitionset_active B; " \
292 					"env delete A; " \
293 				"fi;" \
294 				"if test -n ${B}; then " \
295 					"setenv partitionset_active A; " \
296 					"env delete B; " \
297 				"fi;" \
298 				"saveenv; " \
299 			"fi;" \
300 		"fi;" \
301 		"echo set ${partitionset_active}...;" \
302 		"run nand_args; "
303 
304 #define COMMON_ENV_NAND_CMDS	"flash_self=run nand_boot\0" \
305 				"flash_self_test=setenv testargs test; " \
306 					"run nand_boot\0" \
307 				"dfu_start=echo Preparing for dfu mode ...; " \
308 				"run dfu_args; \0"
309 
310 #define COMMON_ENV_SETTINGS \
311 	"verify=no \0" \
312 	"project_dir=targetdir\0" \
313 	"upgrade_available=0\0" \
314 	"altbootcmd=run bootcmd\0" \
315 	"bootlimit=3\0" \
316 	"partitionset_active=A\0" \
317 	"loadaddr=0x82000000\0" \
318 	"kloadaddr=0x81000000\0" \
319 	"script_addr=0x81900000\0" \
320 	"console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \
321 	"nfsopts=nolock rw\0" \
322 	"ip_method=none\0" \
323 	"bootenv=uEnv.txt\0" \
324 	"bootargs_defaults=setenv bootargs " \
325 		"console=${console} " \
326 		"${testargs} " \
327 		"${optargs}\0" \
328 	"siemens_help=echo; "\
329 		"echo Type 'run flash_self' to use kernel and root " \
330 		"filesystem on memory; echo Type 'run flash_self_test' to " \
331 		"use kernel and root filesystem on memory, boot in test " \
332 		"mode; echo Not ready yet: 'run flash_nfs' to use kernel " \
333 		"from memory and root filesystem over NFS; echo Type " \
334 		"'run net_nfs' to get Kernel over TFTP and mount root " \
335 		"filesystem over NFS; " \
336 		"echo Set partitionset_active variable to 'A' " \
337 		"or 'B' to select kernel and rootfs partition; " \
338 		"echo" \
339 		"\0"
340 
341 /*
342  * Variant 1 partition layout
343  * chip-size = 256MiB
344  *|         name |        size |           address area |
345  *-------------------------------------------------------
346  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
347  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
348  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
349  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
350  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
351  *|    uboot.env | 128.000 KiB | 0x  260000..0x  27ffff |
352  *|     kernel_a |   5.000 MiB | 0x  280000..0x  77ffff |
353  *|     kernel_b |   5.000 MiB | 0x  780000..0x  c7ffff |
354  *|      mtdoops |   8.000 MiB | 0x  c80000..0x 147ffff |
355  *|       rootfs | 235.500 MiB | 0x 1480000..0x fffffff |
356  *-------------------------------------------------------
357  */
358 #define MTDIDS_NAME_STR		"omap2-nand.0"
359 #define MTDIDS_DEFAULT		"nand0=" MTDIDS_NAME_STR
360 #define MTDPARTS_DEFAULT_V1	"mtdparts=" MTDIDS_NAME_STR ":" \
361 					"128k(spl),"		\
362 					"128k(spl.backup1),"	\
363 					"128k(spl.backup2),"	\
364 					"128k(spl.backup3),"	\
365 					"1920k(u-boot),"	\
366 					"128k(uboot.env),"	\
367 					"5120k(kernel_a),"	\
368 					"5120k(kernel_b),"	\
369 					"8192k(mtdoops),"	\
370 					"-(rootfs)"
371 
372 #define DFU_ALT_INFO_NAND_V1 \
373 	"spl part 0 1;" \
374 	"spl.backup1 part 0 2;" \
375 	"spl.backup2 part 0 3;" \
376 	"spl.backup3 part 0 4;" \
377 	"u-boot part 0 5;" \
378 	"u-boot.env part 0 6;" \
379 	"kernel_a part 0 7;" \
380 	"kernel_b part 0 8;" \
381 	"rootfs partubi 0 10"
382 
383 #define CONFIG_ENV_SETTINGS_NAND_V1 \
384 	"nand_active_ubi_vol=rootfs_a\0" \
385 	"nand_active_ubi_vol_A=rootfs_a\0" \
386 	"nand_active_ubi_vol_B=rootfs_b\0" \
387 	"nand_root_fs_type=ubifs rootwait=1\0" \
388 	"nand_src_addr=0x280000\0" \
389 	"nand_src_addr_A=0x280000\0" \
390 	"nand_src_addr_B=0x780000\0" \
391 	"nand_args=run bootargs_defaults;" \
392 		"mtdparts default;" \
393 		"setenv ${partitionset_active} true;" \
394 		"if test -n ${A}; then " \
395 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \
396 			"setenv nand_src_addr ${nand_src_addr_A};" \
397 		"fi;" \
398 		"if test -n ${B}; then " \
399 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \
400 			"setenv nand_src_addr ${nand_src_addr_B};" \
401 		"fi;" \
402 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
403 		"ubi.mtd=9,${ubi_off};" \
404 		"setenv bootargs ${bootargs} " \
405 		"root=${nand_root} noinitrd ${mtdparts} " \
406 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
407 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
408 		"=mtdoops\0" \
409 	COMMON_ENV_DFU_ARGS \
410 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \
411 	COMMON_ENV_NAND_BOOT \
412 		"nand read.i ${kloadaddr} ${nand_src_addr} " \
413 		"${nand_img_size}; bootm ${kloadaddr}\0" \
414 	COMMON_ENV_NAND_CMDS
415 
416 #define CONFIG_ENV_SETTINGS_V1 \
417 		COMMON_ENV_SETTINGS \
418 	"net_args=run bootargs_defaults;" \
419 		"mtdparts default;" \
420 		"setenv bootfile ${project_dir}/kernel/uImage;" \
421 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
422 		"setenv bootargs ${bootargs} " \
423 		"root=/dev/nfs ${mtdparts} " \
424 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
425 		"ip=${ipaddr}:${serverip}:" \
426 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
427 	"net_nfs=echo Booting from network ...; " \
428 		"run net_args; " \
429 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
430 		"bootm ${kloadaddr}\0"
431 
432 /*
433  * Variant 2 partition layout
434  * chip-size = 256MiB or 512 MiB
435  *|         name |        size |           address area |
436  *-------------------------------------------------------
437  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
438  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
439  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
440  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
441  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
442  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
443  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
444  *|      mtdoops | 512.000 KiB | 0x  360000..0x  3dffff |
445  *| (256) rootfs | 252.125 MiB | 0x  3E0000..0x fffffff |
446  *| (512) rootfs | 508.125 MiB | 0x  3E0000..0x1fffffff |
447  *-------------------------------------------------------
448  */
449 
450 #define MTDPARTS_DEFAULT_V2	"mtdparts=" MTDIDS_NAME_STR ":" \
451 					"128k(spl)," \
452 					"128k(spl.backup1)," \
453 					"128k(spl.backup2)," \
454 					"128k(spl.backup3)," \
455 					"1920k(u-boot)," \
456 					"512k(u-boot.env0)," \
457 					"512k(u-boot.env1)," \
458 					"512k(mtdoops)," \
459 					"-(rootfs)"
460 
461 #define DFU_ALT_INFO_NAND_V2 \
462 	"spl part 0 1;" \
463 	"spl.backup1 part 0 2;" \
464 	"spl.backup2 part 0 3;" \
465 	"spl.backup3 part 0 4;" \
466 	"u-boot part 0 5;" \
467 	"u-boot.env0 part 0 6;" \
468 	"u-boot.env1 part 0 7;" \
469 	"rootfs partubi 0 9" \
470 
471 #define CONFIG_ENV_SETTINGS_NAND_V2 \
472 	"nand_active_ubi_vol=rootfs_a\0" \
473 	"rootfs_name=rootfs\0" \
474 	"kernel_name=uImage\0"\
475 	"nand_root_fs_type=ubifs rootwait=1\0" \
476 	"nand_args=run bootargs_defaults;" \
477 		"mtdparts default;" \
478 		"setenv ${partitionset_active} true;" \
479 		"if test -n ${A}; then " \
480 			"setenv nand_active_ubi_vol ${rootfs_name}_a;" \
481 		"fi;" \
482 		"if test -n ${B}; then " \
483 			"setenv nand_active_ubi_vol ${rootfs_name}_b;" \
484 		"fi;" \
485 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
486 		"ubi.mtd=rootfs,2048;" \
487 		"setenv bootargs ${bootargs} " \
488 		"root=${nand_root} noinitrd ${mtdparts} " \
489 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
490 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
491 		"=mtdoops\0" \
492 	COMMON_ENV_DFU_ARGS \
493 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \
494 	COMMON_ENV_NAND_BOOT \
495 		"ubi part rootfs ${ubi_off};" \
496 		"ubifsmount ubi0:${nand_active_ubi_vol};" \
497 		"ubifsload ${kloadaddr} boot/${kernel_name};" \
498 		"ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \
499 		"bootm ${kloadaddr} - ${loadaddr}\0" \
500 	"nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \
501 		"bootm ${kloadaddr} - ${loadaddr}\0" \
502 	COMMON_ENV_NAND_CMDS
503 
504 #define CONFIG_ENV_SETTINGS_V2 \
505 		COMMON_ENV_SETTINGS \
506 	"net_args=run bootargs_defaults;" \
507 		"mtdparts default;" \
508 		"setenv bootfile ${project_dir}/kernel/uImage;" \
509 		"setenv bootdtb ${project_dir}/kernel/dtb;" \
510 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
511 		"setenv bootargs ${bootargs} " \
512 		"root=/dev/nfs ${mtdparts} " \
513 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
514 		"ip=${ipaddr}:${serverip}:" \
515 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
516 	"net_nfs=echo Booting from network ...; " \
517 		"run net_args; " \
518 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
519 		"tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \
520 		"bootm ${kloadaddr} - ${loadaddr}\0"
521 
522 /*
523  * Variant 3 partition layout
524  * chip-size = 512MiB
525  *|         name |        size |           address area |
526  *-------------------------------------------------------
527  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
528  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
529  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
530  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
531  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
532  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
533  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
534  *|       rootfs | 300.000 MiB | 0x  360000..0x12f5ffff |
535  *|      mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff |
536  *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff |
537  *-------------------------------------------------------
538  */
539 
540 #define MTDPARTS_DEFAULT_V3	"mtdparts=" MTDIDS_NAME_STR ":" \
541 					"128k(spl),"		\
542 					"128k(spl.backup1),"	\
543 					"128k(spl.backup2),"	\
544 					"128k(spl.backup3),"	\
545 					"1920k(u-boot),"	\
546 					"512k(u-boot.env0),"	\
547 					"512k(u-boot.env1),"	\
548 					"300m(rootfs),"		\
549 					"512k(mtdoops),"	\
550 					"-(configuration)"
551 
552 #define CONFIG_NAND_OMAP_GPMC
553 #define CONFIG_NAND_OMAP_ELM
554 #define CONFIG_SYS_NAND_BASE		(0x08000000)	/* physical address */
555 							/* to access nand at */
556 							/* CS0 */
557 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND
558 							   devices */
559 #if !defined(CONFIG_SPI_BOOT)
560 #undef CONFIG_ENV_IS_NOWHERE
561 #define CONFIG_ENV_IS_IN_NAND
562 #define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
563 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
564 #endif
565 #endif
566 
567 #define CONFIG_OMAP_GPIO
568 
569 /* Gpio cmd support */
570 
571 /* Watchdog */
572 #define CONFIG_HW_WATCHDOG
573 
574 /* Reboot after 60 sec if bootcmd fails */
575 #define CONFIG_RESET_TO_RETRY
576 #define CONFIG_BOOT_RETRY_TIME 60
577 
578 #define CONFIG_BOOTCOUNT_LIMIT
579 #define CONFIG_BOOTCOUNT_ENV
580 
581 #endif	/* ! __CONFIG_SIEMENS_AM33X_COMMON_H */
582