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