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