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