1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
* olimex_am355x_som.h
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
* Copyright (C) ~2016 olimex
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __CONFIG_OLIMEX_AM335x_SOM_H
#define __CONFIG_OLIMEX_AM335x_SOM_H
#include <linux/sizes.h>
#include <configs/ti_am335x_common.h>
#define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
#define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
/* Clock Defines */
#define V_OSCK 24000000 /* Clock output from T2 */
#define V_SCLK (V_OSCK)
#ifdef CONFIG_NAND
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000
#ifdef CONFIG_SPL_OS_BOOT
#define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */
#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
#endif
#define NANDARGS \
"mtdids=" MTDIDS_DEFAULT "\0" \
"mtdparts=" MTDPARTS_DEFAULT "\0" \
"nandargs=setenv bootargs console=${console} " \
"${optargs} " \
"root=${nandroot} " \
"rootfstype=${nandrootfstype}\0" \
"nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,512\0" \
"nandrootfstype=ubifs rootwait=1\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
"nand read ${fdtaddr} NAND.u-boot-spl-os; " \
"nand read ${loadaddr} NAND.kernel; " \
"bootz ${loadaddr} - ${fdtaddr}\0"
#else
#define NANDARGS ""
#endif
#ifndef CONFIG_SPL_BUILD
#if 0
#define CONFIG_EXTRA_ENV_SETTINGS \
DEFAULT_LINUX_BOOT_ENV \
"boot_fdt=try\0" \
"bootpart=0:1\0" \
"bootdir=/boot\0" \
"bootfile=zImage\0" \
"fdtfile=undefined\0" \
"console=ttyO0,115200n8\0" \
"optargs=\0" \
"mmcdev=0\0" \
"mmcroot=/dev/mmcblk0p1 rw\0" \
"mmcrootfstype=ext4 rootwait\0" \
"rootpath=/export/rootfs\0" \
"nfsopts=nolock\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
"${mtdparts} " \
"root=${mmcroot} " \
"rootfstype=${mmcrootfstype}\0" \
"bootenv=uEnv.txt\0" \
"loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
"importbootenv=echo Importing environment from mmc ...; " \
"env import -t $loadaddr $filesize\0" \
"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
"mmcloados=run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
"bootz ${loadaddr} - ${fdtaddr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootz; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootz; " \
"fi;\0" \
"mmcboot=mmc dev ${mmcdev}; " \
"if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
"if run loadbootenv; then " \
"echo Loaded environment from ${bootenv};" \
"run importbootenv;" \
"fi;" \
"if test -n $uenvcmd; then " \
"echo Running uenvcmd ...;" \
"run uenvcmd;" \
"fi;" \
"if run loadimage; then " \
"run mmcloados;" \
"fi;" \
"fi;\0" \
NANDARGS
/*DFUARGS*/
#else
#define CONFIG_EXTRA_ENV_SETTINGS \
"loadaddr=0x82000000\0" \
"fdtaddr=0x88000000\0" \
"bootargs=console=ttyO0,115200n8 rootwait root=/dev/mmcblk0p1 ro rootflags=data=journal\0" \
"bootcmd=ext4load mmc 0:1 $loadaddr /boot/zImage; ext4load mmc 0:1 $fdtaddr /boot/am335x-olimex-som.dtb; bootz $loadaddr - $fdtaddr\0"
#endif
#endif
/* NS16550 Configuration */
#define CONFIG_SYS_NS16550_COM1 0x44e09000
#define CONFIG_BAUDRATE 115200
#define CONFIG_CONS_INDEX 1
#ifdef CONFIG_NAND
#define CONFIG_SPL_NAND_BOOT
#define CONFIG_NAND_OMAP_GPMC
#define CONFIG_NAND_OMAP_GPMC_PREFETCH
#define CONFIG_NAND_OMAP_ELM
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
CONFIG_SYS_NAND_PAGE_SIZE)
#define CONFIG_SYS_NAND_PAGE_SIZE 2048
#define CONFIG_SYS_NAND_OOBSIZE 64
#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
#define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
10, 11, 12, 13, 14, 15, 16, 17, \
18, 19, 20, 21, 22, 23, 24, 25, \
26, 27, 28, 29, 30, 31, 32, 33, \
34, 35, 36, 37, 38, 39, 40, 41, \
42, 43, 44, 45, 46, 47, 48, 49, \
50, 51, 52, 53, 54, 55, 56, 57, }
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 14
#define CONFIG_SYS_NAND_ONFI_DETECTION
#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#endif
/* NAND support */
#ifdef CONFIG_NAND
#define CONFIG_CMD_NAND
#define GPMC_NAND_ECC_LP_x8_LAYOUT 1
#if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT)
#define MTDIDS_DEFAULT "nand0=nand.0"
#define MTDPARTS_DEFAULT "mtdparts=nand.0:" \
"128k(NAND.SPL)," \
"128k(NAND.SPL.backup1)," \
"128k(NAND.SPL.backup2)," \
"128k(NAND.SPL.backup3)," \
"256k(NAND.u-boot-spl-os)," \
"1m(NAND.u-boot)," \
"128k(NAND.u-boot-env)," \
"128k(NAND.u-boot-env.backup1)," \
"8m(NAND.kernel)," \
"-(NAND.file-system)"
#endif
#endif
#ifdef CONFIG_SPL_BUILD
#undef CONFIG_DM_MMC
#undef CONFIG_TIMER
#endif
#endif /* ! __CONFIG_OLIMEX_AM335x_SOM_H */
|
