1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * siemens am33x common board options
4  * (C) Copyright 2013 Siemens Schweiz AG
5  * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
6  *
7  * Based on:
8  * U-Boot file:/include/configs/am335x_evm.h
9  *
10  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
11  */
12 
13 #ifndef __CONFIG_SIEMENS_AM33X_COMMON_H
14 #define __CONFIG_SIEMENS_AM33X_COMMON_H
15 
16 #include <asm/arch/omap.h>
17 
18 #define CONFIG_DMA_COHERENT
19 #define CONFIG_DMA_COHERENT_SIZE	(1 << 20)
20 
21 #define CONFIG_ENV_SIZE			(0x2000)
22 #define CONFIG_SYS_MALLOC_LEN		(16 * 1024 * 1024)
23 #ifdef CONFIG_SIEMENS_MACH_TYPE
24 #define CONFIG_MACH_TYPE		CONFIG_SIEMENS_MACH_TYPE
25 #endif
26 
27 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
28 #define CONFIG_SETUP_MEMORY_TAGS
29 #define CONFIG_INITRD_TAG
30 
31 /* commands to include */
32 
33 #ifndef CONFIG_SPL_BUILD
34 #define CONFIG_ROOTPATH		"/opt/eldk"
35 #endif
36 
37 #define CONFIG_ENV_OVERWRITE		1
38 
39 #define CONFIG_SYS_AUTOLOAD	"yes"
40 
41 /* Clock Defines */
42 #define V_OSCK				24000000  /* Clock output from T2 */
43 #define V_SCLK				(V_OSCK)
44 
45 /* We set the max number of command args high to avoid HUSH bugs. */
46 #define CONFIG_SYS_MAXARGS		32
47 
48 /* Console I/O Buffer Size */
49 #define CONFIG_SYS_CBSIZE		1024
50 
51 /* Boot Argument Buffer Size */
52 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
53 
54 /*
55  * memtest works on 8 MB in DRAM after skipping 32MB from
56  * start addr of ram disk
57  */
58 #define CONFIG_SYS_MEMTEST_START	(PHYS_DRAM_1 + (64 * 1024 * 1024))
59 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START \
60 					+ (8 * 1024 * 1024))
61 
62 #define CONFIG_SYS_LOAD_ADDR		0x81000000 /* Default load address */
63 
64  /* Physical Memory Map */
65 #define PHYS_DRAM_1			0x80000000	/* DRAM Bank #1 */
66 
67 #define CONFIG_SYS_SDRAM_BASE		PHYS_DRAM_1
68 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
69 						GENERATED_GBL_DATA_SIZE)
70  /* Platform/Board specific defs */
71 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
72 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
73 
74 /* NS16550 Configuration */
75 #ifdef CONFIG_SPL_BUILD
76 #define CONFIG_SYS_NS16550_SERIAL
77 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
78 #endif
79 #define CONFIG_SYS_NS16550_CLK		(48000000)
80 #define CONFIG_SYS_NS16550_COM1		0x44e09000
81 #define CONFIG_SYS_NS16550_COM4		0x481a6000
82 
83 
84 /* I2C Configuration */
85 #define CONFIG_I2C
86 #define CONFIG_SYS_I2C
87 
88 /* Defines for SPL */
89 #define CONFIG_SPL_TEXT_BASE		0x402F0400
90 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
91 					 CONFIG_SPL_TEXT_BASE)
92 
93 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
94 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
95 
96 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
97 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
98 
99 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
100 
101 #define CONFIG_SPL_NAND_BASE
102 #define CONFIG_SPL_NAND_DRIVERS
103 #define CONFIG_SPL_NAND_ECC
104 #define CONFIG_SYS_NAND_ONFI_DETECTION
105 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
106 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
107 					 CONFIG_SYS_NAND_PAGE_SIZE)
108 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
109 #define CONFIG_SYS_NAND_OOBSIZE		64
110 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
111 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
112 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
113 					 10, 11, 12, 13, 14, 15, 16, 17, \
114 					 18, 19, 20, 21, 22, 23, 24, 25, \
115 					 26, 27, 28, 29, 30, 31, 32, 33, \
116 					 34, 35, 36, 37, 38, 39, 40, 41, \
117 					 42, 43, 44, 45, 46, 47, 48, 49, \
118 					 50, 51, 52, 53, 54, 55, 56, 57, }
119 
120 #define CONFIG_SYS_NAND_ECCSIZE		512
121 #define CONFIG_SYS_NAND_ECCBYTES	14
122 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
123 
124 #define CONFIG_SYS_NAND_ECCSTEPS	4
125 #define	CONFIG_SYS_NAND_ECCTOTAL	(CONFIG_SYS_NAND_ECCBYTES * \
126 						CONFIG_SYS_NAND_ECCSTEPS)
127 
128 #define	CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
129 
130 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
131 
132 /*
133  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
134  * 64 bytes before this address should be set aside for u-boot.img's
135  * header. That is 0x800FFFC0--0x80100000 should not be used for any
136  * other needs.
137  */
138 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
139 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
140 
141 /*
142  * Since SPL did pll and ddr initialization for us,
143  * we don't need to do it twice.
144  */
145 #ifndef CONFIG_SPL_BUILD
146 #define CONFIG_SKIP_LOWLEVEL_INIT
147 #endif
148 
149 #ifndef CONFIG_SPL_BUILD
150 /*
151  * USB configuration
152  */
153 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
154 
155 #define CONFIG_AM335X_USB0
156 #define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
157 #define CONFIG_AM335X_USB1
158 #define CONFIG_AM335X_USB1_MODE MUSB_HOST
159 
160 /* USB DRACO ID as default */
161 #define CONFIG_USBD_HS
162 
163 /* USB Device Firmware Update support */
164 #define CONFIG_SYS_DFU_DATA_BUF_SIZE	(1 << 20)
165 #define DFU_MANIFEST_POLL_TIMEOUT	25000
166 
167 #endif /* CONFIG_SPL_BUILD */
168 
169 /*
170  * Default to using SPI for environment, etc.  We have multiple copies
171  * of SPL as the ROM will check these locations.
172  * 0x0 - 0x20000 : First copy of SPL
173  * 0x20000 - 0x40000 : Second copy of SPL
174  * 0x40000 - 0x60000 : Third copy of SPL
175  * 0x60000 - 0x80000 : Fourth copy of SPL
176  * 0x80000 - 0xDF000 : U-Boot
177  * 0xDF000 - 0xE0000 : U-Boot Environment
178  * 0xE0000 - 0x442000 : Linux Kernel
179  * 0x442000 - 0x800000 : Userland
180  */
181 #if defined(CONFIG_SPI_BOOT)
182 # define CONFIG_ENV_OFFSET		(892 << 10) /* 892 KiB in */
183 # define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
184 #endif /* SPI support */
185 
186 #define CONFIG_BOOTP_DEFAULT
187 #define CONFIG_BOOTP_DNS2
188 #define CONFIG_BOOTP_SEND_HOSTNAME
189 #define CONFIG_NET_RETRY_COUNT         10
190 
191 /* NAND support */
192 #ifdef CONFIG_NAND
193 /* UBI Support */
194 
195 /* Commen environment */
196 #define CONFIG_PREBOOT
197 #define COMMON_ENV_DFU_ARGS	"dfu_args=run bootargs_defaults;" \
198 				"setenv bootargs ${bootargs};" \
199 				"mtdparts default;" \
200 				"draco_led 1;" \
201 				"dfu 0 nand 0;" \
202 				"draco_led 0;\0" \
203 
204 #define COMMON_ENV_NAND_BOOT \
205 		"nand_boot=echo Booting from nand; " \
206 		"if test ${upgrade_available} -eq 1; then " \
207 			"if test ${bootcount} -gt ${bootlimit}; " \
208 				"then " \
209 				"setenv upgrade_available 0;" \
210 				"setenv ${partitionset_active} true;" \
211 				"if test -n ${A}; then " \
212 					"setenv partitionset_active B; " \
213 					"env delete A; " \
214 				"fi;" \
215 				"if test -n ${B}; then " \
216 					"setenv partitionset_active A; " \
217 					"env delete B; " \
218 				"fi;" \
219 				"saveenv; " \
220 			"fi;" \
221 		"fi;" \
222 		"echo set ${partitionset_active}...;" \
223 		"run nand_args; "
224 
225 #define COMMON_ENV_NAND_CMDS	"flash_self=run nand_boot\0" \
226 				"flash_self_test=setenv testargs test; " \
227 					"run nand_boot\0" \
228 				"dfu_start=echo Preparing for dfu mode ...; " \
229 				"run dfu_args; \0"
230 
231 #define COMMON_ENV_SETTINGS \
232 	"verify=no \0" \
233 	"project_dir=targetdir\0" \
234 	"upgrade_available=0\0" \
235 	"altbootcmd=run bootcmd\0" \
236 	"partitionset_active=A\0" \
237 	"loadaddr=0x82000000\0" \
238 	"kloadaddr=0x81000000\0" \
239 	"script_addr=0x81900000\0" \
240 	"console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \
241 	"nfsopts=nolock rw\0" \
242 	"ip_method=none\0" \
243 	"bootenv=uEnv.txt\0" \
244 	"bootargs_defaults=setenv bootargs " \
245 		"console=${console} " \
246 		"${testargs} " \
247 		"${optargs}\0" \
248 	"siemens_help=echo; "\
249 		"echo Type 'run flash_self' to use kernel and root " \
250 		"filesystem on memory; echo Type 'run flash_self_test' to " \
251 		"use kernel and root filesystem on memory, boot in test " \
252 		"mode; echo Not ready yet: 'run flash_nfs' to use kernel " \
253 		"from memory and root filesystem over NFS; echo Type " \
254 		"'run net_nfs' to get Kernel over TFTP and mount root " \
255 		"filesystem over NFS; " \
256 		"echo Set partitionset_active variable to 'A' " \
257 		"or 'B' to select kernel and rootfs partition; " \
258 		"echo" \
259 		"\0"
260 
261 /*
262  * Variant 1 partition layout
263  * chip-size = 256MiB
264  *|         name |        size |           address area |
265  *-------------------------------------------------------
266  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
267  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
268  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
269  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
270  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
271  *|    uboot.env | 128.000 KiB | 0x  260000..0x  27ffff |
272  *|     kernel_a |   5.000 MiB | 0x  280000..0x  77ffff |
273  *|     kernel_b |   5.000 MiB | 0x  780000..0x  c7ffff |
274  *|      mtdoops |   8.000 MiB | 0x  c80000..0x 147ffff |
275  *|       rootfs | 235.500 MiB | 0x 1480000..0x fffffff |
276  *-------------------------------------------------------
277 
278 					"mtdparts=omap2-nand.0:" \
279 					"128k(spl),"		\
280 					"128k(spl.backup1),"	\
281 					"128k(spl.backup2),"	\
282 					"128k(spl.backup3),"	\
283 					"1920k(u-boot),"	\
284 					"128k(uboot.env),"	\
285 					"5120k(kernel_a),"	\
286 					"5120k(kernel_b),"	\
287 					"8192k(mtdoops),"	\
288 					"-(rootfs)"
289  */
290 
291 #define DFU_ALT_INFO_NAND_V1 \
292 	"spl part 0 1;" \
293 	"spl.backup1 part 0 2;" \
294 	"spl.backup2 part 0 3;" \
295 	"spl.backup3 part 0 4;" \
296 	"u-boot part 0 5;" \
297 	"u-boot.env part 0 6;" \
298 	"kernel_a part 0 7;" \
299 	"kernel_b part 0 8;" \
300 	"rootfs partubi 0 10"
301 
302 #define CONFIG_ENV_SETTINGS_NAND_V1 \
303 	"nand_active_ubi_vol=rootfs_a\0" \
304 	"nand_active_ubi_vol_A=rootfs_a\0" \
305 	"nand_active_ubi_vol_B=rootfs_b\0" \
306 	"nand_root_fs_type=ubifs rootwait=1\0" \
307 	"nand_src_addr=0x280000\0" \
308 	"nand_src_addr_A=0x280000\0" \
309 	"nand_src_addr_B=0x780000\0" \
310 	"nand_args=run bootargs_defaults;" \
311 		"mtdparts default;" \
312 		"setenv ${partitionset_active} true;" \
313 		"if test -n ${A}; then " \
314 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \
315 			"setenv nand_src_addr ${nand_src_addr_A};" \
316 		"fi;" \
317 		"if test -n ${B}; then " \
318 			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \
319 			"setenv nand_src_addr ${nand_src_addr_B};" \
320 		"fi;" \
321 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
322 		"ubi.mtd=9,${ubi_off};" \
323 		"setenv bootargs ${bootargs} " \
324 		"root=${nand_root} noinitrd ${mtdparts} " \
325 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
326 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
327 		"=mtdoops\0" \
328 	COMMON_ENV_DFU_ARGS \
329 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \
330 	COMMON_ENV_NAND_BOOT \
331 		"nand read.i ${kloadaddr} ${nand_src_addr} " \
332 		"${nand_img_size}; bootm ${kloadaddr}\0" \
333 	COMMON_ENV_NAND_CMDS
334 
335 #define CONFIG_ENV_SETTINGS_V1 \
336 		COMMON_ENV_SETTINGS \
337 	"net_args=run bootargs_defaults;" \
338 		"mtdparts default;" \
339 		"setenv bootfile ${project_dir}/kernel/uImage;" \
340 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
341 		"setenv bootargs ${bootargs} " \
342 		"root=/dev/nfs ${mtdparts} " \
343 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
344 		"ip=${ipaddr}:${serverip}:" \
345 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
346 	"net_nfs=echo Booting from network ...; " \
347 		"run net_args; " \
348 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
349 		"bootm ${kloadaddr}\0"
350 
351 /*
352  * Variant 2 partition layout (default)
353  * chip-size = 256MiB or 512 MiB
354  *|         name |        size |           address area |
355  *-------------------------------------------------------
356  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
357  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
358  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
359  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
360  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
361  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
362  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
363  *|      mtdoops | 512.000 KiB | 0x  360000..0x  3dffff |
364  *| (256) rootfs | 252.125 MiB | 0x  3E0000..0x fffffff |
365  *| (512) rootfs | 508.125 MiB | 0x  3E0000..0x1fffffff |
366  *-------------------------------------------------------
367  */
368 
369 #define DFU_ALT_INFO_NAND_V2 \
370 	"spl part 0 1;" \
371 	"spl.backup1 part 0 2;" \
372 	"spl.backup2 part 0 3;" \
373 	"spl.backup3 part 0 4;" \
374 	"u-boot part 0 5;" \
375 	"u-boot.env0 part 0 6;" \
376 	"u-boot.env1 part 0 7;" \
377 	"rootfs partubi 0 9" \
378 
379 #define CONFIG_ENV_SETTINGS_NAND_V2 \
380 	"nand_active_ubi_vol=rootfs_a\0" \
381 	"rootfs_name=rootfs\0" \
382 	"kernel_name=uImage\0"\
383 	"nand_root_fs_type=ubifs rootwait=1\0" \
384 	"nand_args=run bootargs_defaults;" \
385 		"mtdparts default;" \
386 		"setenv ${partitionset_active} true;" \
387 		"if test -n ${A}; then " \
388 			"setenv nand_active_ubi_vol ${rootfs_name}_a;" \
389 		"fi;" \
390 		"if test -n ${B}; then " \
391 			"setenv nand_active_ubi_vol ${rootfs_name}_b;" \
392 		"fi;" \
393 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
394 		"ubi.mtd=rootfs,2048;" \
395 		"setenv bootargs ${bootargs} " \
396 		"root=${nand_root} noinitrd ${mtdparts} " \
397 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
398 		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
399 		"=mtdoops\0" \
400 	COMMON_ENV_DFU_ARGS \
401 		"dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \
402 	COMMON_ENV_NAND_BOOT \
403 		"ubi part rootfs ${ubi_off};" \
404 		"ubifsmount ubi0:${nand_active_ubi_vol};" \
405 		"ubifsload ${kloadaddr} boot/${kernel_name};" \
406 		"ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \
407 		"bootm ${kloadaddr} - ${loadaddr}\0" \
408 	"nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \
409 		"bootm ${kloadaddr} - ${loadaddr}\0" \
410 	COMMON_ENV_NAND_CMDS
411 
412 #define CONFIG_ENV_SETTINGS_V2 \
413 		COMMON_ENV_SETTINGS \
414 	"net_args=run bootargs_defaults;" \
415 		"mtdparts default;" \
416 		"setenv bootfile ${project_dir}/kernel/uImage;" \
417 		"setenv bootdtb ${project_dir}/kernel/dtb;" \
418 		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
419 		"setenv bootargs ${bootargs} " \
420 		"root=/dev/nfs ${mtdparts} " \
421 		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
422 		"ip=${ipaddr}:${serverip}:" \
423 		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
424 	"net_nfs=echo Booting from network ...; " \
425 		"run net_args; " \
426 		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
427 		"tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \
428 		"bootm ${kloadaddr} - ${loadaddr}\0"
429 
430 /*
431  * Variant 3 partition layout
432  * chip-size = 512MiB
433  *|         name |        size |           address area |
434  *-------------------------------------------------------
435  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
436  *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
437  *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
438  *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
439  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
440  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
441  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
442  *|       rootfs | 300.000 MiB | 0x  360000..0x12f5ffff |
443  *|      mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff |
444  *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff |
445  *-------------------------------------------------------
446 
447 					"mtdparts=omap2-nand.0:" \
448 					"128k(spl),"		\
449 					"128k(spl.backup1),"	\
450 					"128k(spl.backup2),"	\
451 					"128k(spl.backup3),"	\
452 					"1920k(u-boot),"	\
453 					"512k(u-boot.env0),"	\
454 					"512k(u-boot.env1),"	\
455 					"300m(rootfs),"		\
456 					"512k(mtdoops),"	\
457 					"-(configuration)"
458 
459  */
460 
461 #define CONFIG_SYS_NAND_BASE		(0x08000000)	/* physical address */
462 							/* to access nand at */
463 							/* CS0 */
464 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND
465 							   devices */
466 #if !defined(CONFIG_SPI_BOOT)
467 #define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
468 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
469 #endif
470 #endif
471 
472 /* Reboot after 60 sec if bootcmd fails */
473 #define CONFIG_RESET_TO_RETRY
474 #define CONFIG_BOOT_RETRY_TIME 60
475 
476 #endif	/* ! __CONFIG_SIEMENS_AM33X_COMMON_H */
477