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