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lpc32xx: devkit3250: add spl build support
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1 /*
2  * Embest/Timll DevKit3250 board configuration file
3  *
4  * Copyright (C) 2011-2015 Vladimir Zapolskiy <vz@mleia.com>
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #ifndef __CONFIG_DEVKIT3250_H__
10 #define __CONFIG_DEVKIT3250_H__
11
12 /* SoC and board defines */
13 #include <linux/sizes.h>
14 #include <asm/arch/cpu.h>
15
16 /*
17  * Define DevKit3250 machine type by hand until it lands in mach-types
18  */
19 #define MACH_TYPE_DEVKIT3250            3697
20 #define CONFIG_MACH_TYPE                MACH_TYPE_DEVKIT3250
21
22 #define CONFIG_SYS_ICACHE_OFF
23 #define CONFIG_SYS_DCACHE_OFF
24 #if !defined(CONFIG_SPL_BUILD)
25 #define CONFIG_SKIP_LOWLEVEL_INIT
26 #endif
27 #define CONFIG_BOARD_EARLY_INIT_F
28
29 /*
30  * Memory configurations
31  */
32 #define CONFIG_NR_DRAM_BANKS            1
33 #define CONFIG_SYS_MALLOC_LEN           SZ_1M
34 #define CONFIG_SYS_SDRAM_BASE           EMC_DYCS0_BASE
35 #define CONFIG_SYS_SDRAM_SIZE           SZ_64M
36 #define CONFIG_SYS_TEXT_BASE            0x83FA0000
37 #define CONFIG_SYS_MEMTEST_START        (CONFIG_SYS_SDRAM_BASE + SZ_32K)
38 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_TEXT_BASE - SZ_1M)
39
40 #define CONFIG_SYS_LOAD_ADDR            (CONFIG_SYS_SDRAM_BASE + SZ_32K)
41
42 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + SZ_4K \
43                                          - GENERATED_GBL_DATA_SIZE)
44
45 /*
46  * Serial Driver
47  */
48 #define CONFIG_SYS_LPC32XX_UART         5   /* UART5 */
49 #define CONFIG_BAUDRATE                 115200
50
51 /*
52  * I2C
53  */
54 #define CONFIG_SYS_I2C
55 #define CONFIG_SYS_I2C_LPC32XX
56 #define CONFIG_SYS_I2C_SPEED            100000
57 #define CONFIG_CMD_I2C
58
59 /*
60  * GPIO
61  */
62 #define CONFIG_LPC32XX_GPIO
63 #define CONFIG_CMD_GPIO
64
65 /*
66  * SSP/SPI
67  */
68 #define CONFIG_LPC32XX_SSP
69 #define CONFIG_LPC32XX_SSP_TIMEOUT      100000
70 #define CONFIG_CMD_SPI
71
72 /*
73  * Ethernet
74  */
75 #define CONFIG_RMII
76 #define CONFIG_PHY_SMSC
77 #define CONFIG_LPC32XX_ETH
78 #define CONFIG_PHYLIB
79 #define CONFIG_PHY_ADDR                 0x1F
80 #define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
81 #define CONFIG_CMD_MII
82 #define CONFIG_CMD_PING
83 #define CONFIG_CMD_DHCP
84
85 /*
86  * NOR Flash
87  */
88 #define CONFIG_SYS_MAX_FLASH_BANKS      1
89 #define CONFIG_SYS_MAX_FLASH_SECT       71
90 #define CONFIG_SYS_FLASH_BASE           EMC_CS0_BASE
91 #define CONFIG_SYS_FLASH_SIZE           SZ_4M
92 #define CONFIG_SYS_FLASH_CFI
93
94 /*
95  * NAND controller
96  */
97 #define CONFIG_NAND_LPC32XX_SLC
98 #define CONFIG_SYS_NAND_BASE            SLC_NAND_BASE
99 #define CONFIG_SYS_MAX_NAND_DEVICE      1
100 #define CONFIG_SYS_NAND_BASE_LIST       { CONFIG_SYS_NAND_BASE }
101
102 /*
103  * NAND chip timings
104  */
105 #define CONFIG_LPC32XX_NAND_SLC_WDR_CLKS        14
106 #define CONFIG_LPC32XX_NAND_SLC_WWIDTH          66666666
107 #define CONFIG_LPC32XX_NAND_SLC_WHOLD           200000000
108 #define CONFIG_LPC32XX_NAND_SLC_WSETUP          50000000
109 #define CONFIG_LPC32XX_NAND_SLC_RDR_CLKS        14
110 #define CONFIG_LPC32XX_NAND_SLC_RWIDTH          66666666
111 #define CONFIG_LPC32XX_NAND_SLC_RHOLD           200000000
112 #define CONFIG_LPC32XX_NAND_SLC_RSETUP          50000000
113
114 #define CONFIG_SYS_NAND_USE_FLASH_BBT
115 #define CONFIG_CMD_NAND
116
117 /*
118  * U-Boot General Configurations
119  */
120 #define CONFIG_SYS_LONGHELP
121 #define CONFIG_SYS_CBSIZE               1024
122 #define CONFIG_SYS_PBSIZE               \
123         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
124 #define CONFIG_SYS_MAXARGS              16
125 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
126
127 #define CONFIG_AUTO_COMPLETE
128 #define CONFIG_CMDLINE_EDITING
129 #define CONFIG_VERSION_VARIABLE
130 #define CONFIG_DISPLAY_CPUINFO
131 #define CONFIG_DOS_PARTITION
132
133 /*
134  * Pass open firmware flat tree
135  */
136 #define CONFIG_OF_LIBFDT
137
138 /*
139  * Environment
140  */
141 #define CONFIG_ENV_IS_IN_NAND           1
142 #define CONFIG_ENV_SIZE                 SZ_128K
143 #define CONFIG_ENV_OFFSET               0x000A0000
144
145 #define CONFIG_BOOTCOMMAND                      \
146         "dhcp; "                                \
147         "tftp ${loadaddr} ${serverip}:${tftpdir}/${bootfile}; "         \
148         "tftp ${dtbaddr} ${serverip}:${tftpdir}/devkit3250.dtb; "       \
149         "setenv nfsargs ip=dhcp root=/dev/nfs nfsroot=${serverip}:${nfsroot},tcp; "     \
150         "setenv bootargs ${bootargs} ${nfsargs} ${userargs}; "                  \
151         "bootm ${loadaddr} - ${dtbaddr}"
152
153 #define CONFIG_EXTRA_ENV_SETTINGS               \
154         "autoload=no\0"                         \
155         "ethaddr=00:01:90:00:C0:81\0"           \
156         "dtbaddr=0x81000000\0"                  \
157         "nfsroot=/opt/projects/images/vladimir/oe/devkit3250/rootfs\0"  \
158         "tftpdir=vladimir/oe/devkit3250\0"      \
159         "userargs=oops=panic\0"
160
161 /*
162  * U-Boot Commands
163  */
164 #define CONFIG_CMD_CACHE
165
166 /*
167  * Boot Linux
168  */
169 #define CONFIG_CMDLINE_TAG
170 #define CONFIG_SETUP_MEMORY_TAGS
171 #define CONFIG_ZERO_BOOTDELAY_CHECK
172 #define CONFIG_BOOTDELAY                1
173
174 #define CONFIG_BOOTFILE                 "uImage"
175 #define CONFIG_BOOTARGS                 "console=ttyS0,115200n8"
176 #define CONFIG_LOADADDR                 0x80008000
177
178 /*
179  * SPL specific defines
180  */
181 /* SPL will be executed at offset 0 */
182 #define CONFIG_SPL_TEXT_BASE            0x00000000
183
184 /* SPL will use SRAM as stack */
185 #define CONFIG_SPL_STACK                0x0000FFF8
186 #define CONFIG_SPL_BOARD_INIT
187
188 /* Use the framework and generic lib */
189 #define CONFIG_SPL_FRAMEWORK
190 #define CONFIG_SPL_LIBGENERIC_SUPPORT
191 #define CONFIG_SPL_LIBCOMMON_SUPPORT
192
193 /* SPL will use serial */
194 #define CONFIG_SPL_SERIAL_SUPPORT
195
196 /* SPL loads an image from NAND */
197 #define CONFIG_SPL_NAND_SIMPLE
198 #define CONFIG_SPL_NAND_RAW_ONLY
199 #define CONFIG_SPL_NAND_SUPPORT
200 #define CONFIG_SPL_NAND_DRIVERS
201
202 #define CONFIG_SYS_NAND_BLOCK_SIZE      0x20000
203 #define CONFIG_SYS_NAND_PAGE_SIZE       0x800
204 #define CONFIG_SYS_NAND_ECCSIZE         0x100
205 #define CONFIG_SYS_NAND_OOBSIZE         64
206 #define CONFIG_SYS_NAND_ECCPOS          { 40, 41, 42, 43, 44, 45, 46, 47, \
207                                           48, 49, 50, 51, 52, 53, 54, 55, \
208                                           56, 57, 58, 59, 60, 61, 62, 63, }
209 #define CONFIG_SYS_NAND_ECCBYTES        3
210 #define CONFIG_SYS_NAND_PAGE_COUNT      64
211 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
212
213 #define CONFIG_SPL_NAND_ECC
214 #define CONFIG_SPL_NAND_SOFTECC
215
216 #define CONFIG_SPL_MAX_SIZE             0x20000
217 #define CONFIG_SPL_PAD_TO               CONFIG_SPL_MAX_SIZE
218
219 /* U-Boot will be 0x60000 bytes, loaded and run at CONFIG_SYS_TEXT_BASE */
220 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x40000
221 #define CONFIG_SYS_NAND_U_BOOT_SIZE     0x60000
222
223 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
224 #define CONFIG_SYS_NAND_U_BOOT_DST      CONFIG_SYS_TEXT_BASE
225
226 /* See common/spl/spl.c  spl_set_header_raw_uboot() */
227 #define CONFIG_SYS_MONITOR_LEN          CONFIG_SYS_NAND_U_BOOT_SIZE
228
229 /*
230  * Include SoC specific configuration
231  */
232 #include <asm/arch/config.h>
233
234 #endif  /* __CONFIG_DEVKIT3250_H__*/