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_NAND_AM33XX_BCH
131 #define CONFIG_SPL_NAND_BASE
132 #define CONFIG_SPL_NAND_DRIVERS
133 #define CONFIG_SPL_NAND_ECC
134 #define CONFIG_SYS_NAND_ONFI_DETECTION
135 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
136 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
137 					 CONFIG_SYS_NAND_PAGE_SIZE)
138 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
139 #define CONFIG_SYS_NAND_OOBSIZE		64
140 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
141 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
142 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
143 					 10, 11, 12, 13, 14, 15, 16, 17, \
144 					 18, 19, 20, 21, 22, 23, 24, 25, \
145 					 26, 27, 28, 29, 30, 31, 32, 33, \
146 					 34, 35, 36, 37, 38, 39, 40, 41, \
147 					 42, 43, 44, 45, 46, 47, 48, 49, \
148 					 50, 51, 52, 53, 54, 55, 56, 57, }
149 
150 #define CONFIG_SYS_NAND_ECCSIZE		512
151 #define CONFIG_SYS_NAND_ECCBYTES	14
152 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
153 
154 #define CONFIG_SYS_NAND_ECCSTEPS	4
155 #define	CONFIG_SYS_NAND_ECCTOTAL	(CONFIG_SYS_NAND_ECCBYTES * \
156 						CONFIG_SYS_NAND_ECCSTEPS)
157 
158 #define	CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
159 
160 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
161 
162 /*
163  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
164  * 64 bytes before this address should be set aside for u-boot.img's
165  * header. That is 0x800FFFC0--0x80100000 should not be used for any
166  * other needs.
167  */
168 #define CONFIG_SYS_TEXT_BASE		0x80100000
169 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
170 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
171 
172 /*
173  * Since SPL did pll and ddr initialization for us,
174  * we don't need to do it twice.
175  */
176 #ifndef CONFIG_SPL_BUILD
177 #define CONFIG_SKIP_LOWLEVEL_INIT
178 #endif
179 
180 #ifndef CONFIG_SPL_BUILD
181 /*
182  * USB configuration
183  */
184 #define CONFIG_USB_MUSB_DSPS
185 #define CONFIG_USB_MUSB_PIO_ONLY
186 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
187 #undef CONFIG_USB_GADGET_DUALSPEED
188 
189 #define CONFIG_AM335X_USB0
190 #define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
191 #define CONFIG_AM335X_USB1
192 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
193 
194 #ifdef CONFIG_USB_MUSB_GADGET
195 #define CONFIG_USB_ETHER
196 #define CONFIG_USB_ETH_RNDIS
197 #define CONFIG_USBNET_HOST_ADDR	"de:ad:be:af:00:00"
198 #endif /* CONFIG_USB_MUSB_GADGET */
199 
200 /* USB DRACO ID as default */
201 #define CONFIG_USBD_HS
202 
203 /* USB Device Firmware Update support */
204 #define CONFIG_SYS_DFU_DATA_BUF_SIZE	(1 << 20)
205 #define DFU_MANIFEST_POLL_TIMEOUT	25000
206 
207 #endif /* CONFIG_SPL_BUILD */
208 
209 /*
210  * Default to using SPI for environment, etc.  We have multiple copies
211  * of SPL as the ROM will check these locations.
212  * 0x0 - 0x20000 : First copy of SPL
213  * 0x20000 - 0x40000 : Second copy of SPL
214  * 0x40000 - 0x60000 : Third copy of SPL
215  * 0x60000 - 0x80000 : Fourth copy of SPL
216  * 0x80000 - 0xDF000 : U-Boot
217  * 0xDF000 - 0xE0000 : U-Boot Environment
218  * 0xE0000 - 0x442000 : Linux Kernel
219  * 0x442000 - 0x800000 : Userland
220  */
221 #if defined(CONFIG_SPI_BOOT)
222 # undef CONFIG_ENV_IS_NOWHERE
223 # define CONFIG_ENV_IS_IN_SPI_FLASH
224 # define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
225 # define CONFIG_ENV_OFFSET		(892 << 10) /* 892 KiB in */
226 # define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
227 #endif /* SPI support */
228 
229 #define CONFIG_DRIVER_TI_CPSW
230 #define CONFIG_MII
231 #define CONFIG_PHY_GIGE
232 #define CONFIG_PHYLIB
233 #define CONFIG_BOOTP_DEFAULT
234 #define CONFIG_BOOTP_DNS
235 #define CONFIG_BOOTP_DNS2
236 #define CONFIG_BOOTP_SEND_HOSTNAME
237 #define CONFIG_BOOTP_GATEWAY
238 #define CONFIG_BOOTP_SUBNETMASK
239 #define CONFIG_NET_RETRY_COUNT         10
240 
241 #define CONFIG_NAND
242 /* NAND support */
243 #ifdef CONFIG_NAND
244 #define CONFIG_CMD_NAND
245 
246 /* UBI Support */
247 #ifndef CONFIG_SPL_BUILD
248 #define CONFIG_CMD_MTDPARTS
249 #define CONFIG_MTD_PARTITIONS
250 #define CONFIG_MTD_DEVICE
251 #define CONFIG_RBTREE
252 #define CONFIG_LZO
253 #define CONFIG_CMD_UBIFS
254 #endif
255 
256 /* Commen environment */
257 #define CONFIG_PREBOOT
258 #define COMMON_ENV_DFU_ARGS	"dfu_args=run bootargs_defaults;" \
259 				"setenv bootargs ${bootargs};" \
260 				"mtdparts default;" \
261 				"draco_led 1;" \
262 				"dfu 0 nand 0;" \
263 				"draco_led 0;\0" \
264 
265 #define COMMON_ENV_NAND_BOOT \
266 		"nand_boot=echo Booting from nand; " \
267 		"if test ${upgrade_available} -eq 1; then " \
268 			"if test ${bootcount} -gt ${bootlimit}; " \
269 				"then " \
270 				"setenv upgrade_available 0;" \
271 				"setenv ${partitionset_active} true;" \
272 				"if test -n ${A}; then " \
273 					"setenv partitionset_active B; " \
274 					"env delete A; " \
275 				"fi;" \
276 				"if test -n ${B}; then " \
277 					"setenv partitionset_active A; " \
278 					"env delete B; " \
279 				"fi;" \
280 				"saveenv; " \
281 			"fi;" \
282 		"fi;" \
283 		"echo set ${partitionset_active}...;" \
284 		"run nand_args; "
285 
286 #define COMMON_ENV_NAND_CMDS	"flash_self=run nand_boot\0" \
287 				"flash_self_test=setenv testargs test; " \
288 					"run nand_boot\0" \
289 				"dfu_start=echo Preparing for dfu mode ...; " \
290 				"run dfu_args; \0"
291 
292 #define COMMON_ENV_SETTINGS \
293 	"verify=no \0" \
294 	"project_dir=targetdir\0" \
295 	"upgrade_available=0\0" \
296 	"altbootcmd=run bootcmd\0" \
297 	"bootlimit=3\0" \
298 	"partitionset_active=A\0" \
299 	"loadaddr=0x82000000\0" \
300 	"kloadaddr=0x81000000\0" \
301 	"script_addr=0x81900000\0" \
302 	"console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \
303 	"nfsopts=nolock rw\0" \
304 	"ip_method=none\0" \
305 	"bootenv=uEnv.txt\0" \
306 	"bootargs_defaults=setenv bootargs " \
307 		"console=${console} " \
308 		"${testargs} " \
309 		"${optargs}\0" \
310 	"siemens_help=echo; "\
311 		"echo Type 'run flash_self' to use kernel and root " \
312 		"filesystem on memory; echo Type 'run flash_self_test' to " \
313 		"use kernel and root filesystem on memory, boot in test " \
314 		"mode; echo Not ready yet: 'run flash_nfs' to use kernel " \
315 		"from memory and root filesystem over NFS; echo Type " \
316 		"'run net_nfs' to get Kernel over TFTP and mount root " \
317 		"filesystem over NFS; " \
318 		"echo Set partitionset_active variable to 'A' " \
319 		"or 'B' to select kernel and rootfs partition; " \
320 		"echo" \
321 		"\0"
322 
323 /*
324  * Variant 1 partition layout
325  * chip-size = 256MiB
326  *|         name |        size |           address area |
327  *-------------------------------------------------------
328  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
329  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
330  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
331  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
332  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
333  *|    uboot.env | 128.000 KiB | 0x  260000..0x  27ffff |
334  *|     kernel_a |   5.000 MiB | 0x  280000..0x  77ffff |
335  *|     kernel_b |   5.000 MiB | 0x  780000..0x  c7ffff |
336  *|      mtdoops |   8.000 MiB | 0x  c80000..0x 147ffff |
337  *|       rootfs | 235.500 MiB | 0x 1480000..0x fffffff |
338  *-------------------------------------------------------
339  */
340 #define MTDIDS_NAME_STR		"omap2-nand.0"
341 #define MTDIDS_DEFAULT		"nand0=" MTDIDS_NAME_STR
342 #define MTDPARTS_DEFAULT_V1	"mtdparts=" MTDIDS_NAME_STR ":" \
343 					"128k(spl),"		\
344 					"128k(spl.backup1),"	\
345 					"128k(spl.backup2),"	\
346 					"128k(spl.backup3),"	\
347 					"1920k(u-boot),"	\
348 					"128k(uboot.env),"	\
349 					"5120k(kernel_a),"	\
350 					"5120k(kernel_b),"	\
351 					"8192k(mtdoops),"	\
352 					"-(rootfs)"
353 
354 #define DFU_ALT_INFO_NAND_V1 \
355 	"spl part 0 1;" \
356 	"spl.backup1 part 0 2;" \
357 	"spl.backup2 part 0 3;" \
358 	"spl.backup3 part 0 4;" \
359 	"u-boot part 0 5;" \
360 	"u-boot.env part 0 6;" \
361 	"kernel_a part 0 7;" \
362 	"kernel_b part 0 8;" \
363 	"rootfs partubi 0 10"
364 
365 #define CONFIG_ENV_SETTINGS_NAND_V1 \
366 	"nand_active_ubi_vol=rootfs_a\0" \
367 	"nand_active_ubi_vol_A=rootfs_a\0" \
368 	"nand_active_ubi_vol_B=rootfs_b\0" \
369 	"nand_root_fs_type=ubifs rootwait=1\0" \
370 	"nand_src_addr=0x280000\0" \
371 	"nand_src_addr_A=0x280000\0" \
372 	"nand_src_addr_B=0x780000\0" \
373 	"nand_args=run bootargs_defaults;" \
374 		"mtdparts default;" \
375 		"setenv ${partitionset_active} true;" \
376 		"if test -n ${A}; then " \
377 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \
378 			"setenv nand_src_addr ${nand_src_addr_A};" \
379 		"fi;" \
380 		"if test -n ${B}; then " \
381 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \
382 			"setenv nand_src_addr ${nand_src_addr_B};" \
383 		"fi;" \
384 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
385 		"ubi.mtd=9,${ubi_off};" \
386 		"setenv bootargs ${bootargs} " \
387 		"root=${nand_root} noinitrd ${mtdparts} " \
388 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
389 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
390 		"=mtdoops\0" \
391 	COMMON_ENV_DFU_ARGS \
392 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \
393 	COMMON_ENV_NAND_BOOT \
394 		"nand read.i ${kloadaddr} ${nand_src_addr} " \
395 		"${nand_img_size}; bootm ${kloadaddr}\0" \
396 	COMMON_ENV_NAND_CMDS
397 
398 #define CONFIG_ENV_SETTINGS_V1 \
399 		COMMON_ENV_SETTINGS \
400 	"net_args=run bootargs_defaults;" \
401 		"mtdparts default;" \
402 		"setenv bootfile ${project_dir}/kernel/uImage;" \
403 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
404 		"setenv bootargs ${bootargs} " \
405 		"root=/dev/nfs ${mtdparts} " \
406 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
407 		"ip=${ipaddr}:${serverip}:" \
408 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
409 	"net_nfs=echo Booting from network ...; " \
410 		"run net_args; " \
411 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
412 		"bootm ${kloadaddr}\0"
413 
414 /*
415  * Variant 2 partition layout
416  * chip-size = 256MiB or 512 MiB
417  *|         name |        size |           address area |
418  *-------------------------------------------------------
419  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
420  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
421  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
422  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
423  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
424  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
425  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
426  *|      mtdoops | 512.000 KiB | 0x  360000..0x  3dffff |
427  *| (256) rootfs | 252.125 MiB | 0x  3E0000..0x fffffff |
428  *| (512) rootfs | 508.125 MiB | 0x  3E0000..0x1fffffff |
429  *-------------------------------------------------------
430  */
431 
432 #define MTDPARTS_DEFAULT_V2	"mtdparts=" MTDIDS_NAME_STR ":" \
433 					"128k(spl)," \
434 					"128k(spl.backup1)," \
435 					"128k(spl.backup2)," \
436 					"128k(spl.backup3)," \
437 					"1920k(u-boot)," \
438 					"512k(u-boot.env0)," \
439 					"512k(u-boot.env1)," \
440 					"512k(mtdoops)," \
441 					"-(rootfs)"
442 
443 #define DFU_ALT_INFO_NAND_V2 \
444 	"spl part 0 1;" \
445 	"spl.backup1 part 0 2;" \
446 	"spl.backup2 part 0 3;" \
447 	"spl.backup3 part 0 4;" \
448 	"u-boot part 0 5;" \
449 	"u-boot.env0 part 0 6;" \
450 	"u-boot.env1 part 0 7;" \
451 	"rootfs partubi 0 9" \
452 
453 #define CONFIG_ENV_SETTINGS_NAND_V2 \
454 	"nand_active_ubi_vol=rootfs_a\0" \
455 	"rootfs_name=rootfs\0" \
456 	"kernel_name=uImage\0"\
457 	"nand_root_fs_type=ubifs rootwait=1\0" \
458 	"nand_args=run bootargs_defaults;" \
459 		"mtdparts default;" \
460 		"setenv ${partitionset_active} true;" \
461 		"if test -n ${A}; then " \
462 			"setenv nand_active_ubi_vol ${rootfs_name}_a;" \
463 		"fi;" \
464 		"if test -n ${B}; then " \
465 			"setenv nand_active_ubi_vol ${rootfs_name}_b;" \
466 		"fi;" \
467 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
468 		"ubi.mtd=rootfs,2048;" \
469 		"setenv bootargs ${bootargs} " \
470 		"root=${nand_root} noinitrd ${mtdparts} " \
471 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
472 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
473 		"=mtdoops\0" \
474 	COMMON_ENV_DFU_ARGS \
475 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \
476 	COMMON_ENV_NAND_BOOT \
477 		"ubi part rootfs ${ubi_off};" \
478 		"ubifsmount ubi0:${nand_active_ubi_vol};" \
479 		"ubifsload ${kloadaddr} boot/${kernel_name};" \
480 		"ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \
481 		"bootm ${kloadaddr} - ${loadaddr}\0" \
482 	"nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \
483 		"bootm ${kloadaddr} - ${loadaddr}\0" \
484 	COMMON_ENV_NAND_CMDS
485 
486 #define CONFIG_ENV_SETTINGS_V2 \
487 		COMMON_ENV_SETTINGS \
488 	"net_args=run bootargs_defaults;" \
489 		"mtdparts default;" \
490 		"setenv bootfile ${project_dir}/kernel/uImage;" \
491 		"setenv bootdtb ${project_dir}/kernel/dtb;" \
492 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
493 		"setenv bootargs ${bootargs} " \
494 		"root=/dev/nfs ${mtdparts} " \
495 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
496 		"ip=${ipaddr}:${serverip}:" \
497 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
498 	"net_nfs=echo Booting from network ...; " \
499 		"run net_args; " \
500 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
501 		"tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \
502 		"bootm ${kloadaddr} - ${loadaddr}\0"
503 
504 /*
505  * Variant 3 partition layout
506  * chip-size = 512MiB
507  *|         name |        size |           address area |
508  *-------------------------------------------------------
509  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
510  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
511  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
512  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
513  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
514  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
515  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
516  *|       rootfs | 300.000 MiB | 0x  360000..0x12f5ffff |
517  *|      mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff |
518  *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff |
519  *-------------------------------------------------------
520  */
521 
522 #define MTDPARTS_DEFAULT_V3	"mtdparts=" MTDIDS_NAME_STR ":" \
523 					"128k(spl),"		\
524 					"128k(spl.backup1),"	\
525 					"128k(spl.backup2),"	\
526 					"128k(spl.backup3),"	\
527 					"1920k(u-boot),"	\
528 					"512k(u-boot.env0),"	\
529 					"512k(u-boot.env1),"	\
530 					"300m(rootfs),"		\
531 					"512k(mtdoops),"	\
532 					"-(configuration)"
533 
534 #define CONFIG_NAND_OMAP_GPMC
535 #define CONFIG_NAND_OMAP_ELM
536 #define CONFIG_SYS_NAND_BASE		(0x08000000)	/* physical address */
537 							/* to access nand at */
538 							/* CS0 */
539 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND
540 							   devices */
541 #if !defined(CONFIG_SPI_BOOT)
542 #undef CONFIG_ENV_IS_NOWHERE
543 #define CONFIG_ENV_IS_IN_NAND
544 #define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
545 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
546 #endif
547 #endif
548 
549 /* Reboot after 60 sec if bootcmd fails */
550 #define CONFIG_RESET_TO_RETRY
551 #define CONFIG_BOOT_RETRY_TIME 60
552 
553 #define CONFIG_BOOTCOUNT_LIMIT
554 #define CONFIG_BOOTCOUNT_ENV
555 
556 #endif	/* ! __CONFIG_SIEMENS_AM33X_COMMON_H */
557