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