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