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