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 - https://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/* commands to include */
19
20/* Clock Defines */
21#define V_OSCK				24000000  /* Clock output from T2 */
22#define V_SCLK				(V_OSCK)
23
24/* Console I/O Buffer Size */
25
26/*
27 * memtest works on 8 MB in DRAM after skipping 32MB from
28 * start addr of ram disk
29 */
30
31 /* Physical Memory Map */
32#define PHYS_DRAM_1			0x80000000	/* DRAM Bank #1 */
33
34#define CFG_SYS_SDRAM_BASE		PHYS_DRAM_1
35 /* Platform/Board specific defs */
36#define CFG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
37
38/* NS16550 Configuration */
39#define CFG_SYS_NS16550_CLK		(48000000)
40#define CFG_SYS_NS16550_COM1		0x44e09000
41#define CFG_SYS_NS16550_COM4		0x481a6000
42
43
44/* I2C Configuration */
45
46/* Defines for SPL */
47
48#define CFG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
49					 10, 11, 12, 13, 14, 15, 16, 17, \
50					 18, 19, 20, 21, 22, 23, 24, 25, \
51					 26, 27, 28, 29, 30, 31, 32, 33, \
52					 34, 35, 36, 37, 38, 39, 40, 41, \
53					 42, 43, 44, 45, 46, 47, 48, 49, \
54					 50, 51, 52, 53, 54, 55, 56, 57, }
55
56#define CFG_SYS_NAND_ECCSIZE		512
57#define CFG_SYS_NAND_ECCBYTES	14
58
59#define	CFG_SYS_NAND_U_BOOT_START	CONFIG_TEXT_BASE
60
61/*
62 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
63 * 64 bytes before this address should be set aside for u-boot.img's
64 * header. That is 0x800FFFC0--0x80100000 should not be used for any
65 * other needs.
66 */
67
68/*
69 * Since SPL did pll and ddr initialization for us,
70 * we don't need to do it twice.
71 */
72
73/* USB Device Firmware Update support */
74#define DFU_MANIFEST_POLL_TIMEOUT	25000
75
76/*
77 * Default to using SPI for environment, etc.  We have multiple copies
78 * of SPL as the ROM will check these locations.
79 * 0x0 - 0x20000 : First copy of SPL
80 * 0x20000 - 0x40000 : Second copy of SPL
81 * 0x40000 - 0x60000 : Third copy of SPL
82 * 0x60000 - 0x80000 : Fourth copy of SPL
83 * 0x80000 - 0xDF000 : U-Boot
84 * 0xDF000 - 0xE0000 : U-Boot Environment
85 * 0xE0000 - 0x442000 : Linux Kernel
86 * 0x442000 - 0x800000 : Userland
87 */
88
89/* NAND support */
90#ifdef CONFIG_MTD_RAW_NAND
91/* UBI Support */
92
93/* Commen environment */
94#define COMMON_ENV_DFU_ARGS	"dfu_args=run bootargs_defaults;" \
95				"setenv bootargs ${bootargs};" \
96				"mtdparts default;" \
97				"draco_led 1;" \
98				"dfu 0 nand 0;" \
99				"draco_led 0;\0" \
100
101#define COMMON_ENV_NAND_BOOT \
102		"nand_boot=echo Booting from nand; " \
103		"if test ${upgrade_available} -eq 1; then " \
104			"if test ${bootcount} -gt ${bootlimit}; " \
105				"then " \
106				"setenv upgrade_available 0;" \
107				"setenv ${partitionset_active} true;" \
108				"if test -n ${A}; then " \
109					"setenv partitionset_active B; " \
110					"env delete A; " \
111				"fi;" \
112				"if test -n ${B}; then " \
113					"setenv partitionset_active A; " \
114					"env delete B; " \
115				"fi;" \
116				"saveenv; " \
117			"fi;" \
118		"fi;" \
119		"echo set ${partitionset_active}...;" \
120		"run nand_args; "
121
122#define COMMON_ENV_NAND_CMDS	"flash_self=run nand_boot\0" \
123				"flash_self_test=setenv testargs test; " \
124					"run nand_boot\0" \
125				"dfu_start=echo Preparing for dfu mode ...; " \
126				"run dfu_args; \0"
127
128#define COMMON_ENV_SETTINGS \
129	"verify=no \0" \
130	"project_dir=targetdir\0" \
131	"upgrade_available=0\0" \
132	"altbootcmd=run bootcmd\0" \
133	"partitionset_active=A\0" \
134	"loadaddr=0x82000000\0" \
135	"kloadaddr=0x81000000\0" \
136	"script_addr=0x81900000\0" \
137	"console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \
138	"nfsopts=nolock rw\0" \
139	"ip_method=none\0" \
140	"bootenv=uEnv.txt\0" \
141	"bootargs_defaults=setenv bootargs " \
142		"console=${console} " \
143		"${testargs} " \
144		"${optargs}\0" \
145	"siemens_help=echo; "\
146		"echo Type 'run flash_self' to use kernel and root " \
147		"filesystem on memory; echo Type 'run flash_self_test' to " \
148		"use kernel and root filesystem on memory, boot in test " \
149		"mode; echo Not ready yet: 'run flash_nfs' to use kernel " \
150		"from memory and root filesystem over NFS; echo Type " \
151		"'run net_nfs' to get Kernel over TFTP and mount root " \
152		"filesystem over NFS; " \
153		"echo Set partitionset_active variable to 'A' " \
154		"or 'B' to select kernel and rootfs partition; " \
155		"echo" \
156		"\0"
157
158/*
159 * Variant 1 partition layout
160 * chip-size = 256MiB
161 *|         name |        size |           address area |
162 *-------------------------------------------------------
163 *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
164 *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
165 *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
166 *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
167 *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
168 *|    uboot.env | 128.000 KiB | 0x  260000..0x  27ffff |
169 *|     kernel_a |   5.000 MiB | 0x  280000..0x  77ffff |
170 *|     kernel_b |   5.000 MiB | 0x  780000..0x  c7ffff |
171 *|      mtdoops |   8.000 MiB | 0x  c80000..0x 147ffff |
172 *|       rootfs | 235.500 MiB | 0x 1480000..0x fffffff |
173 *-------------------------------------------------------
174
175					"mtdparts=omap2-nand.0:" \
176					"128k(spl),"		\
177					"128k(spl.backup1),"	\
178					"128k(spl.backup2),"	\
179					"128k(spl.backup3),"	\
180					"1920k(u-boot),"	\
181					"128k(uboot.env),"	\
182					"5120k(kernel_a),"	\
183					"5120k(kernel_b),"	\
184					"8192k(mtdoops),"	\
185					"-(rootfs)"
186 */
187
188#define DFU_ALT_INFO_NAND_V1 \
189	"spl part 0 1;" \
190	"spl.backup1 part 0 2;" \
191	"spl.backup2 part 0 3;" \
192	"spl.backup3 part 0 4;" \
193	"u-boot part 0 5;" \
194	"u-boot.env part 0 6;" \
195	"kernel_a part 0 7;" \
196	"kernel_b part 0 8;" \
197	"rootfs partubi 0 10"
198
199#define CFG_ENV_SETTINGS_NAND_V1 \
200	"nand_active_ubi_vol=rootfs_a\0" \
201	"nand_active_ubi_vol_A=rootfs_a\0" \
202	"nand_active_ubi_vol_B=rootfs_b\0" \
203	"nand_root_fs_type=ubifs rootwait\0" \
204	"nand_src_addr=0x280000\0" \
205	"nand_src_addr_A=0x280000\0" \
206	"nand_src_addr_B=0x780000\0" \
207	"nand_args=run bootargs_defaults;" \
208		"mtdparts default;" \
209		"setenv ${partitionset_active} true;" \
210		"if test -n ${A}; then " \
211			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \
212			"setenv nand_src_addr ${nand_src_addr_A};" \
213		"fi;" \
214		"if test -n ${B}; then " \
215			"setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \
216			"setenv nand_src_addr ${nand_src_addr_B};" \
217		"fi;" \
218		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
219		"ubi.mtd=9,${ubi_off};" \
220		"setenv bootargs ${bootargs} " \
221		"root=${nand_root} noinitrd ${mtdparts} " \
222		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
223		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
224		"=mtdoops\0" \
225	COMMON_ENV_DFU_ARGS \
226		"dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \
227	COMMON_ENV_NAND_BOOT \
228		"nand read.i ${kloadaddr} ${nand_src_addr} " \
229		"${nand_img_size}; bootm ${kloadaddr}\0" \
230	COMMON_ENV_NAND_CMDS
231
232#define CFG_ENV_SETTINGS_V1 \
233		COMMON_ENV_SETTINGS \
234	"net_args=run bootargs_defaults;" \
235		"mtdparts default;" \
236		"setenv bootfile ${project_dir}/kernel/uImage;" \
237		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
238		"setenv bootargs ${bootargs} " \
239		"root=/dev/nfs ${mtdparts} " \
240		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
241		"ip=${ipaddr}:${serverip}:" \
242		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
243	"net_nfs=echo Booting from network ...; " \
244		"run net_args; " \
245		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
246		"bootm ${kloadaddr}\0"
247
248/*
249 * Variant 2 partition layout (default)
250 * chip-size = 256MiB or 512 MiB
251 *|         name |        size |           address area |
252 *-------------------------------------------------------
253 *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
254 *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
255 *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
256 *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
257 *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
258 *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
259 *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
260 *|      mtdoops | 512.000 KiB | 0x  360000..0x  3dffff |
261 *| (256) rootfs | 252.125 MiB | 0x  3E0000..0x fffffff |
262 *| (512) rootfs | 508.125 MiB | 0x  3E0000..0x1fffffff |
263 *-------------------------------------------------------
264 */
265
266#define DFU_ALT_INFO_NAND_V2 \
267	"spl part 0 1;" \
268	"spl.backup1 part 0 2;" \
269	"spl.backup2 part 0 3;" \
270	"spl.backup3 part 0 4;" \
271	"u-boot part 0 5;" \
272	"u-boot.env0 part 0 6;" \
273	"u-boot.env1 part 0 7;" \
274	"rootfs partubi 0 9" \
275
276#define CFG_ENV_SETTINGS_NAND_V2 \
277	"nand_active_ubi_vol=rootfs_a\0" \
278	"rootfs_name=rootfs\0" \
279	"kernel_name=uImage\0"\
280	"nand_root_fs_type=ubifs rootwait\0" \
281	"nand_args=run bootargs_defaults;" \
282		"mtdparts default;" \
283		"setenv ${partitionset_active} true;" \
284		"if test -n ${A}; then " \
285			"setenv nand_active_ubi_vol ${rootfs_name}_a;" \
286		"fi;" \
287		"if test -n ${B}; then " \
288			"setenv nand_active_ubi_vol ${rootfs_name}_b;" \
289		"fi;" \
290		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
291		"ubi.mtd=rootfs,2048;" \
292		"setenv bootargs ${bootargs} " \
293		"root=${nand_root} noinitrd ${mtdparts} " \
294		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \
295		"console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
296		"=mtdoops\0" \
297	COMMON_ENV_DFU_ARGS \
298		"dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \
299	COMMON_ENV_NAND_BOOT \
300		"ubi part rootfs ${ubi_off};" \
301		"ubifsmount ubi0:${nand_active_ubi_vol};" \
302		"ubifsload ${kloadaddr} boot/${kernel_name};" \
303		"ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \
304		"bootm ${kloadaddr} - ${loadaddr}\0" \
305	"nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \
306		"bootm ${kloadaddr} - ${loadaddr}\0" \
307	COMMON_ENV_NAND_CMDS
308
309#define CFG_ENV_SETTINGS_V2 \
310		COMMON_ENV_SETTINGS \
311	"net_args=run bootargs_defaults;" \
312		"mtdparts default;" \
313		"setenv bootfile ${project_dir}/kernel/uImage;" \
314		"setenv bootdtb ${project_dir}/kernel/dtb;" \
315		"setenv rootpath /home/projects/${project_dir}/rootfs;" \
316		"setenv bootargs ${bootargs} " \
317		"root=/dev/nfs ${mtdparts} " \
318		"nfsroot=${serverip}:${rootpath},${nfsopts} " \
319		"ip=${ipaddr}:${serverip}:" \
320		"${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
321	"net_nfs=echo Booting from network ...; " \
322		"run net_args; " \
323		"tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
324		"tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \
325		"bootm ${kloadaddr} - ${loadaddr}\0"
326
327/*
328 * Variant 3 partition layout
329 * chip-size = 512MiB
330 *|         name |        size |           address area |
331 *-------------------------------------------------------
332 *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
333 *|  spl.backup1 | 128.000 KiB | 0x   20000..0x   3ffff |
334 *|  spl.backup2 | 128.000 KiB | 0x   40000..0x   5ffff |
335 *|  spl.backup3 | 128.000 KiB | 0x   60000..0x   7ffff |
336 *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
337 *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
338 *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
339 *|       rootfs | 300.000 MiB | 0x  360000..0x12f5ffff |
340 *|      mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff |
341 *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff |
342 *-------------------------------------------------------
343
344					"mtdparts=omap2-nand.0:" \
345					"128k(spl),"		\
346					"128k(spl.backup1),"	\
347					"128k(spl.backup2),"	\
348					"128k(spl.backup3),"	\
349					"1920k(u-boot),"	\
350					"512k(u-boot.env0),"	\
351					"512k(u-boot.env1),"	\
352					"300m(rootfs),"		\
353					"512k(mtdoops),"	\
354					"-(configuration)"
355
356 */
357
358#define CFG_SYS_NAND_BASE		(0x08000000)	/* physical address */
359							/* to access nand at */
360							/* CS0 */
361#endif
362
363#endif	/* ! __CONFIG_SIEMENS_AM33X_COMMON_H */
364