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