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