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_USB_FUNCTION_DFU
220 #define CONFIG_DFU_NAND
221 #define CONFIG_SYS_DFU_DATA_BUF_SIZE	(1 << 20)
222 #define DFU_MANIFEST_POLL_TIMEOUT	25000
223 
224 #endif /* CONFIG_SPL_BUILD */
225 
226 /*
227  * Default to using SPI for environment, etc.  We have multiple copies
228  * of SPL as the ROM will check these locations.
229  * 0x0 - 0x20000 : First copy of SPL
230  * 0x20000 - 0x40000 : Second copy of SPL
231  * 0x40000 - 0x60000 : Third copy of SPL
232  * 0x60000 - 0x80000 : Fourth copy of SPL
233  * 0x80000 - 0xDF000 : U-Boot
234  * 0xDF000 - 0xE0000 : U-Boot Environment
235  * 0xE0000 - 0x442000 : Linux Kernel
236  * 0x442000 - 0x800000 : Userland
237  */
238 #if defined(CONFIG_SPI_BOOT)
239 # undef CONFIG_ENV_IS_NOWHERE
240 # define CONFIG_ENV_IS_IN_SPI_FLASH
241 # define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
242 # define CONFIG_ENV_OFFSET		(892 << 10) /* 892 KiB in */
243 # define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
244 #endif /* SPI support */
245 
246 /* Unsupported features */
247 #undef CONFIG_USE_IRQ
248 
249 #define CONFIG_DRIVER_TI_CPSW
250 #define CONFIG_MII
251 #define CONFIG_PHY_GIGE
252 #define CONFIG_PHYLIB
253 #define CONFIG_BOOTP_DEFAULT
254 #define CONFIG_BOOTP_DNS
255 #define CONFIG_BOOTP_DNS2
256 #define CONFIG_BOOTP_SEND_HOSTNAME
257 #define CONFIG_BOOTP_GATEWAY
258 #define CONFIG_BOOTP_SUBNETMASK
259 #define CONFIG_NET_RETRY_COUNT         10
260 
261 #define CONFIG_NAND
262 /* NAND support */
263 #ifdef CONFIG_NAND
264 #define CONFIG_CMD_NAND
265 
266 /* UBI Support */
267 #ifndef CONFIG_SPL_BUILD
268 #define CONFIG_CMD_MTDPARTS
269 #define CONFIG_MTD_PARTITIONS
270 #define CONFIG_MTD_DEVICE
271 #define CONFIG_RBTREE
272 #define CONFIG_LZO
273 #define CONFIG_CMD_UBIFS
274 #endif
275 
276 /* Commen environment */
277 #define CONFIG_PREBOOT
278 #define COMMON_ENV_DFU_ARGS	"dfu_args=run bootargs_defaults;" \
279 				"setenv bootargs ${bootargs};" \
280 				"mtdparts default;" \
281 				"draco_led 1;" \
282 				"dfu 0 nand 0;" \
283 				"draco_led 0;\0" \
284 
285 #define COMMON_ENV_NAND_BOOT \
286 		"nand_boot=echo Booting from nand; " \
287 		"if test ${upgrade_available} -eq 1; then " \
288 			"if test ${bootcount} -gt ${bootlimit}; " \
289 				"then " \
290 				"setenv upgrade_available 0;" \
291 				"setenv ${partitionset_active} true;" \
292 				"if test -n ${A}; then " \
293 					"setenv partitionset_active B; " \
294 					"env delete A; " \
295 				"fi;" \
296 				"if test -n ${B}; then " \
297 					"setenv partitionset_active A; " \
298 					"env delete B; " \
299 				"fi;" \
300 				"saveenv; " \
301 			"fi;" \
302 		"fi;" \
303 		"echo set ${partitionset_active}...;" \
304 		"run nand_args; "
305 
306 #define COMMON_ENV_NAND_CMDS	"flash_self=run nand_boot\0" \
307 				"flash_self_test=setenv testargs test; " \
308 					"run nand_boot\0" \
309 				"dfu_start=echo Preparing for dfu mode ...; " \
310 				"run dfu_args; \0"
311 
312 #define COMMON_ENV_SETTINGS \
313 	"verify=no \0" \
314 	"project_dir=targetdir\0" \
315 	"upgrade_available=0\0" \
316 	"altbootcmd=run bootcmd\0" \
317 	"bootlimit=3\0" \
318 	"partitionset_active=A\0" \
319 	"loadaddr=0x82000000\0" \
320 	"kloadaddr=0x81000000\0" \
321 	"script_addr=0x81900000\0" \
322 	"console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \
323 	"nfsopts=nolock rw\0" \
324 	"ip_method=none\0" \
325 	"bootenv=uEnv.txt\0" \
326 	"bootargs_defaults=setenv bootargs " \
327 		"console=${console} " \
328 		"${testargs} " \
329 		"${optargs}\0" \
330 	"siemens_help=echo; "\
331 		"echo Type 'run flash_self' to use kernel and root " \
332 		"filesystem on memory; echo Type 'run flash_self_test' to " \
333 		"use kernel and root filesystem on memory, boot in test " \
334 		"mode; echo Not ready yet: 'run flash_nfs' to use kernel " \
335 		"from memory and root filesystem over NFS; echo Type " \
336 		"'run net_nfs' to get Kernel over TFTP and mount root " \
337 		"filesystem over NFS; " \
338 		"echo Set partitionset_active variable to 'A' " \
339 		"or 'B' to select kernel and rootfs partition; " \
340 		"echo" \
341 		"\0"
342 
343 /*
344  * Variant 1 partition layout
345  * chip-size = 256MiB
346  *|         name |        size |           address area |
347  *-------------------------------------------------------
348  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
349  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
350  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
351  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
352  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
353  *|    uboot.env | 128.000 KiB | 0x  260000..0x  27ffff |
354  *|     kernel_a |   5.000 MiB | 0x  280000..0x  77ffff |
355  *|     kernel_b |   5.000 MiB | 0x  780000..0x  c7ffff |
356  *|      mtdoops |   8.000 MiB | 0x  c80000..0x 147ffff |
357  *|       rootfs | 235.500 MiB | 0x 1480000..0x fffffff |
358  *-------------------------------------------------------
359  */
360 #define MTDIDS_NAME_STR		"omap2-nand.0"
361 #define MTDIDS_DEFAULT		"nand0=" MTDIDS_NAME_STR
362 #define MTDPARTS_DEFAULT_V1	"mtdparts=" MTDIDS_NAME_STR ":" \
363 					"128k(spl),"		\
364 					"128k(spl.backup1),"	\
365 					"128k(spl.backup2),"	\
366 					"128k(spl.backup3),"	\
367 					"1920k(u-boot),"	\
368 					"128k(uboot.env),"	\
369 					"5120k(kernel_a),"	\
370 					"5120k(kernel_b),"	\
371 					"8192k(mtdoops),"	\
372 					"-(rootfs)"
373 
374 #define DFU_ALT_INFO_NAND_V1 \
375 	"spl part 0 1;" \
376 	"spl.backup1 part 0 2;" \
377 	"spl.backup2 part 0 3;" \
378 	"spl.backup3 part 0 4;" \
379 	"u-boot part 0 5;" \
380 	"u-boot.env part 0 6;" \
381 	"kernel_a part 0 7;" \
382 	"kernel_b part 0 8;" \
383 	"rootfs partubi 0 10"
384 
385 #define CONFIG_ENV_SETTINGS_NAND_V1 \
386 	"nand_active_ubi_vol=rootfs_a\0" \
387 	"nand_active_ubi_vol_A=rootfs_a\0" \
388 	"nand_active_ubi_vol_B=rootfs_b\0" \
389 	"nand_root_fs_type=ubifs rootwait=1\0" \
390 	"nand_src_addr=0x280000\0" \
391 	"nand_src_addr_A=0x280000\0" \
392 	"nand_src_addr_B=0x780000\0" \
393 	"nand_args=run bootargs_defaults;" \
394 		"mtdparts default;" \
395 		"setenv ${partitionset_active} true;" \
396 		"if test -n ${A}; then " \
397 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \
398 			"setenv nand_src_addr ${nand_src_addr_A};" \
399 		"fi;" \
400 		"if test -n ${B}; then " \
401 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \
402 			"setenv nand_src_addr ${nand_src_addr_B};" \
403 		"fi;" \
404 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
405 		"ubi.mtd=9,${ubi_off};" \
406 		"setenv bootargs ${bootargs} " \
407 		"root=${nand_root} noinitrd ${mtdparts} " \
408 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
409 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
410 		"=mtdoops\0" \
411 	COMMON_ENV_DFU_ARGS \
412 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \
413 	COMMON_ENV_NAND_BOOT \
414 		"nand read.i ${kloadaddr} ${nand_src_addr} " \
415 		"${nand_img_size}; bootm ${kloadaddr}\0" \
416 	COMMON_ENV_NAND_CMDS
417 
418 #define CONFIG_ENV_SETTINGS_V1 \
419 		COMMON_ENV_SETTINGS \
420 	"net_args=run bootargs_defaults;" \
421 		"mtdparts default;" \
422 		"setenv bootfile ${project_dir}/kernel/uImage;" \
423 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
424 		"setenv bootargs ${bootargs} " \
425 		"root=/dev/nfs ${mtdparts} " \
426 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
427 		"ip=${ipaddr}:${serverip}:" \
428 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
429 	"net_nfs=echo Booting from network ...; " \
430 		"run net_args; " \
431 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
432 		"bootm ${kloadaddr}\0"
433 
434 /*
435  * Variant 2 partition layout
436  * chip-size = 256MiB or 512 MiB
437  *|         name |        size |           address area |
438  *-------------------------------------------------------
439  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
440  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
441  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
442  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
443  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
444  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
445  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
446  *|      mtdoops | 512.000 KiB | 0x  360000..0x  3dffff |
447  *| (256) rootfs | 252.125 MiB | 0x  3E0000..0x fffffff |
448  *| (512) rootfs | 508.125 MiB | 0x  3E0000..0x1fffffff |
449  *-------------------------------------------------------
450  */
451 
452 #define MTDPARTS_DEFAULT_V2	"mtdparts=" MTDIDS_NAME_STR ":" \
453 					"128k(spl)," \
454 					"128k(spl.backup1)," \
455 					"128k(spl.backup2)," \
456 					"128k(spl.backup3)," \
457 					"1920k(u-boot)," \
458 					"512k(u-boot.env0)," \
459 					"512k(u-boot.env1)," \
460 					"512k(mtdoops)," \
461 					"-(rootfs)"
462 
463 #define DFU_ALT_INFO_NAND_V2 \
464 	"spl part 0 1;" \
465 	"spl.backup1 part 0 2;" \
466 	"spl.backup2 part 0 3;" \
467 	"spl.backup3 part 0 4;" \
468 	"u-boot part 0 5;" \
469 	"u-boot.env0 part 0 6;" \
470 	"u-boot.env1 part 0 7;" \
471 	"rootfs partubi 0 9" \
472 
473 #define CONFIG_ENV_SETTINGS_NAND_V2 \
474 	"nand_active_ubi_vol=rootfs_a\0" \
475 	"rootfs_name=rootfs\0" \
476 	"kernel_name=uImage\0"\
477 	"nand_root_fs_type=ubifs rootwait=1\0" \
478 	"nand_args=run bootargs_defaults;" \
479 		"mtdparts default;" \
480 		"setenv ${partitionset_active} true;" \
481 		"if test -n ${A}; then " \
482 			"setenv nand_active_ubi_vol ${rootfs_name}_a;" \
483 		"fi;" \
484 		"if test -n ${B}; then " \
485 			"setenv nand_active_ubi_vol ${rootfs_name}_b;" \
486 		"fi;" \
487 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
488 		"ubi.mtd=rootfs,2048;" \
489 		"setenv bootargs ${bootargs} " \
490 		"root=${nand_root} noinitrd ${mtdparts} " \
491 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
492 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
493 		"=mtdoops\0" \
494 	COMMON_ENV_DFU_ARGS \
495 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \
496 	COMMON_ENV_NAND_BOOT \
497 		"ubi part rootfs ${ubi_off};" \
498 		"ubifsmount ubi0:${nand_active_ubi_vol};" \
499 		"ubifsload ${kloadaddr} boot/${kernel_name};" \
500 		"ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \
501 		"bootm ${kloadaddr} - ${loadaddr}\0" \
502 	"nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \
503 		"bootm ${kloadaddr} - ${loadaddr}\0" \
504 	COMMON_ENV_NAND_CMDS
505 
506 #define CONFIG_ENV_SETTINGS_V2 \
507 		COMMON_ENV_SETTINGS \
508 	"net_args=run bootargs_defaults;" \
509 		"mtdparts default;" \
510 		"setenv bootfile ${project_dir}/kernel/uImage;" \
511 		"setenv bootdtb ${project_dir}/kernel/dtb;" \
512 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
513 		"setenv bootargs ${bootargs} " \
514 		"root=/dev/nfs ${mtdparts} " \
515 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
516 		"ip=${ipaddr}:${serverip}:" \
517 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
518 	"net_nfs=echo Booting from network ...; " \
519 		"run net_args; " \
520 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
521 		"tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \
522 		"bootm ${kloadaddr} - ${loadaddr}\0"
523 
524 /*
525  * Variant 3 partition layout
526  * chip-size = 512MiB
527  *|         name |        size |           address area |
528  *-------------------------------------------------------
529  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
530  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
531  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
532  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
533  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
534  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
535  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
536  *|       rootfs | 300.000 MiB | 0x  360000..0x12f5ffff |
537  *|      mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff |
538  *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff |
539  *-------------------------------------------------------
540  */
541 
542 #define MTDPARTS_DEFAULT_V3	"mtdparts=" MTDIDS_NAME_STR ":" \
543 					"128k(spl),"		\
544 					"128k(spl.backup1),"	\
545 					"128k(spl.backup2),"	\
546 					"128k(spl.backup3),"	\
547 					"1920k(u-boot),"	\
548 					"512k(u-boot.env0),"	\
549 					"512k(u-boot.env1),"	\
550 					"300m(rootfs),"		\
551 					"512k(mtdoops),"	\
552 					"-(configuration)"
553 
554 #define CONFIG_NAND_OMAP_GPMC
555 #define CONFIG_NAND_OMAP_ELM
556 #define CONFIG_SYS_NAND_BASE		(0x08000000)	/* physical address */
557 							/* to access nand at */
558 							/* CS0 */
559 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND
560 							   devices */
561 #if !defined(CONFIG_SPI_BOOT)
562 #undef CONFIG_ENV_IS_NOWHERE
563 #define CONFIG_ENV_IS_IN_NAND
564 #define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
565 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
566 #endif
567 #endif
568 
569 #define CONFIG_OMAP_GPIO
570 
571 /* Gpio cmd support */
572 
573 /* Watchdog */
574 #define CONFIG_HW_WATCHDOG
575 
576 /* Reboot after 60 sec if bootcmd fails */
577 #define CONFIG_RESET_TO_RETRY
578 #define CONFIG_BOOT_RETRY_TIME 60
579 
580 #define CONFIG_BOOTCOUNT_LIMIT
581 #define CONFIG_BOOTCOUNT_ENV
582 
583 #endif	/* ! __CONFIG_SIEMENS_AM33X_COMMON_H */
584