iMX28: Fix ARM vector handling
[platform/kernel/u-boot.git] / include / configs / m28evk.h
1 /*
2  * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
3  * on behalf of DENX Software Engineering GmbH
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License as
7  * published by the Free Software Foundation; either version 2 of
8  * the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
18  * MA 02111-1307 USA
19  */
20 #ifndef __M28_H__
21 #define __M28_H__
22
23 #include <asm/arch/regs-base.h>
24
25 /*
26  * SoC configurations
27  */
28 #define CONFIG_MX28                             /* i.MX28 SoC */
29 #define CONFIG_MXS_GPIO                         /* GPIO control */
30 #define CONFIG_SYS_HZ           1000            /* Ticks per second */
31
32 /*
33  * Define M28EVK machine type by hand until it lands in mach-types
34  */
35 #define MACH_TYPE_M28EVK        3613
36
37 #define CONFIG_MACH_TYPE        MACH_TYPE_M28EVK
38
39 #define CONFIG_SYS_NO_FLASH
40 #define CONFIG_SYS_ICACHE_OFF
41 #define CONFIG_SYS_DCACHE_OFF
42 #define CONFIG_BOARD_EARLY_INIT_F
43 #define CONFIG_ARCH_CPU_INIT
44 #define CONFIG_ARCH_MISC_INIT
45
46 /*
47  * SPL
48  */
49 #define CONFIG_SPL
50 #define CONFIG_SPL_NO_CPU_SUPPORT_CODE
51 #define CONFIG_SPL_START_S_PATH         "board/denx/m28evk"
52 #define CONFIG_SPL_LDSCRIPT             "board/denx/m28evk/u-boot-spl.lds"
53
54 /*
55  * U-Boot Commands
56  */
57 #include <config_cmd_default.h>
58 #define CONFIG_DISPLAY_CPUINFO
59 #define CONFIG_DOS_PARTITION
60
61 #define CONFIG_CMD_CACHE
62 #define CONFIG_CMD_DATE
63 #define CONFIG_CMD_DHCP
64 #define CONFIG_CMD_EEPROM
65 #define CONFIG_CMD_EXT2
66 #define CONFIG_CMD_FAT
67 #define CONFIG_CMD_GPIO
68 #define CONFIG_CMD_I2C
69 #define CONFIG_CMD_MII
70 #define CONFIG_CMD_MMC
71 #define CONFIG_CMD_NAND
72 #define CONFIG_CMD_NET
73 #define CONFIG_CMD_NFS
74 #define CONFIG_CMD_PING
75 #define CONFIG_CMD_SETEXPR
76 #define CONFIG_CMD_SF
77 #define CONFIG_CMD_SPI
78
79 /*
80  * Memory configurations
81  */
82 #define CONFIG_NR_DRAM_BANKS            1               /* 2 banks of DRAM */
83 #define PHYS_SDRAM_1                    0x40000000      /* Base address */
84 #define PHYS_SDRAM_1_SIZE               0x08000000      /* 128 MB */
85 #define CONFIG_STACKSIZE                0x00010000      /* 128 KB stack */
86 #define CONFIG_SYS_MALLOC_LEN           0x00400000      /* 4 MB for malloc */
87 #define CONFIG_SYS_GBL_DATA_SIZE        128             /* Initial data */
88 #define CONFIG_SYS_MEMTEST_START        0x40000000      /* Memtest start adr */
89 #define CONFIG_SYS_MEMTEST_END          0x40400000      /* 4 MB RAM test */
90 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM_1
91 /* Point initial SP in SRAM so SPL can use it too. */
92 #define CONFIG_SYS_INIT_SP_ADDR         0x00002000
93 /*
94  * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
95  * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
96  * binary. In case there was more of this mess, 0x100 bytes are skipped.
97  */
98 #define CONFIG_SYS_TEXT_BASE            0x40000100
99
100 /*
101  * U-Boot general configurations
102  */
103 #define CONFIG_SYS_LONGHELP
104 #define CONFIG_SYS_PROMPT       "=> "
105 #define CONFIG_SYS_CBSIZE       1024            /* Console I/O buffer size */
106 #define CONFIG_SYS_PBSIZE       \
107         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
108                                                 /* Print buffer size */
109 #define CONFIG_SYS_MAXARGS      32              /* Max number of command args */
110 #define CONFIG_SYS_BARGSIZE     CONFIG_SYS_CBSIZE
111                                                 /* Boot argument buffer size */
112 #define CONFIG_VERSION_VARIABLE                 /* U-BOOT version */
113 #define CONFIG_AUTO_COMPLETE                    /* Command auto complete */
114 #define CONFIG_CMDLINE_EDITING                  /* Command history etc */
115 #define CONFIG_SYS_HUSH_PARSER
116 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
117
118 /*
119  * Serial Driver
120  */
121 #define CONFIG_PL011_SERIAL
122 #define CONFIG_PL011_CLOCK              24000000
123 #define CONFIG_PL01x_PORTS              { (void *)MXS_UARTDBG_BASE }
124 #define CONFIG_CONS_INDEX               0
125 #define CONFIG_BAUDRATE                 115200  /* Default baud rate */
126 #define CONFIG_SYS_BAUDRATE_TABLE       { 9600, 19200, 38400, 57600, 115200 }
127
128 /*
129  * MMC Driver
130  */
131 #ifdef  CONFIG_CMD_MMC
132 #define CONFIG_MMC
133 #define CONFIG_GENERIC_MMC
134 #define CONFIG_MXS_MMC
135 #endif
136
137 /*
138  * NAND
139  */
140 #ifdef  CONFIG_CMD_NAND
141 #define CONFIG_NAND_MXS
142 #define CONFIG_APBH_DMA
143 #define CONFIG_SYS_MAX_NAND_DEVICE      1
144 #define CONFIG_SYS_NAND_BASE            0x60000000
145 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
146 #define NAND_MAX_CHIPS                  8
147
148 /* Environment is in NAND */
149 #define CONFIG_ENV_IS_IN_NAND
150 #define CONFIG_ENV_SIZE                 (16 * 1024)
151 #define CONFIG_ENV_SIZE_REDUND          CONFIG_ENV_SIZE
152 #define CONFIG_ENV_SECT_SIZE            (128 * 1024)
153 #define CONFIG_ENV_RANGE                (512 * 1024)
154 #define CONFIG_ENV_OFFSET               0x300000
155 #define CONFIG_ENV_OFFSET_REDUND        \
156                 (CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)
157
158 #define CONFIG_CMD_UBI
159 #define CONFIG_CMD_UBIFS
160 #define CONFIG_CMD_MTDPARTS
161 #define CONFIG_RBTREE
162 #define CONFIG_LZO
163 #define CONFIG_MTD_DEVICE
164 #define CONFIG_MTD_PARTITIONS
165 #define MTDIDS_DEFAULT                  "nand0=gpmi-nand.0"
166 #define MTDPARTS_DEFAULT                        \
167         "mtdparts=gpmi-nand.0:"                 \
168                 "3m(bootloader)ro,"             \
169                 "512k(environment),"            \
170                 "512k(redundant-environment),"  \
171                 "4m(kernel),"                   \
172                 "-(filesystem)"
173 #endif
174
175 /*
176  * Ethernet on SOC (FEC)
177  */
178 #ifdef  CONFIG_CMD_NET
179 #define CONFIG_NET_MULTI
180 #define CONFIG_ETHPRIME                 "FEC0"
181 #define CONFIG_FEC_MXC
182 #define CONFIG_FEC_MXC_MULTI
183 #define CONFIG_MII
184 #define CONFIG_DISCOVER_PHY
185 #define CONFIG_FEC_XCV_TYPE             RMII
186 #endif
187
188 /*
189  * I2C
190  */
191 #ifdef  CONFIG_CMD_I2C
192 #define CONFIG_I2C_MXS
193 #define CONFIG_HARD_I2C
194 #define CONFIG_SYS_I2C_SPEED            400000
195 #endif
196
197 /*
198  * EEPROM
199  */
200 #ifdef  CONFIG_CMD_EEPROM
201 #define CONFIG_SYS_I2C_MULTI_EEPROMS
202 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
203 #endif
204
205 /*
206  * RTC
207  */
208 #ifdef  CONFIG_CMD_DATE
209 /* Use the internal RTC in the MXS chip */
210 #define CONFIG_RTC_INTERNAL
211 #ifdef  CONFIG_RTC_INTERNAL
212 #define CONFIG_RTC_MXS
213 #else
214 #define CONFIG_RTC_M41T62
215 #define CONFIG_SYS_I2C_RTC_ADDR         0x68
216 #define CONFIG_SYS_M41T11_BASE_YEAR     2000
217 #endif
218 #endif
219
220 /*
221  * SPI
222  */
223 #ifdef  CONFIG_CMD_SPI
224 #define CONFIG_HARD_SPI
225 #define CONFIG_MXS_SPI
226 #define CONFIG_SPI_HALF_DUPLEX
227 #define CONFIG_DEFAULT_SPI_BUS          2
228 #define CONFIG_DEFAULT_SPI_MODE         SPI_MODE_0
229
230 /* SPI FLASH */
231 #ifdef  CONFIG_CMD_SF
232 #define CONFIG_SPI_FLASH
233 #define CONFIG_SPI_FLASH_STMICRO
234 #define CONFIG_SPI_FLASH_CS             2
235 #define CONFIG_SF_DEFAULT_MODE          SPI_MODE_0
236 #define CONFIG_SF_DEFAULT_SPEED         24000000
237
238 #define CONFIG_ENV_SPI_CS               0
239 #define CONFIG_ENV_SPI_BUS              2
240 #define CONFIG_ENV_SPI_MAX_HZ           24000000
241 #define CONFIG_ENV_SPI_MODE             SPI_MODE_0
242 #endif
243 #endif
244
245 /*
246  * Boot Linux
247  */
248 #define CONFIG_CMDLINE_TAG
249 #define CONFIG_SETUP_MEMORY_TAGS
250 #define CONFIG_BOOTDELAY        3
251 #define CONFIG_BOOTFILE         "uImage"
252 #define CONFIG_BOOTARGS         "console=ttyAM0,115200n8 "
253 #define CONFIG_BOOTCOMMAND      "run bootcmd_net"
254 #define CONFIG_LOADADDR         0x42000000
255 #define CONFIG_SYS_LOAD_ADDR    CONFIG_LOADADDR
256
257 /*
258  * Extra Environments
259  */
260 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
261         "update_nand_full_filename=u-boot.nand\0"                       \
262         "update_nand_firmware_filename=u-boot.sb\0"                     \
263         "update_nand_firmware_maxsz=0x100000\0"                         \
264         "update_nand_stride=0x40\0"     /* MX28 datasheet ch. 12.12 */  \
265         "update_nand_count=0x4\0"       /* MX28 datasheet ch. 12.12 */  \
266         "update_nand_get_fcb_size="     /* Get size of FCB blocks */    \
267                 "nand device 0 ; "                                      \
268                 "nand info ; "                                          \
269                 "setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
270                 "setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
271         "update_nand_full="             /* Update FCB, DBBT and FW */   \
272                 "if tftp ${update_nand_full_filename} ; then "          \
273                 "run update_nand_get_fcb_size ; "                       \
274                 "nand scrub -y 0x0 ${filesize} ; "                      \
275                 "nand write.raw ${loadaddr} 0x0 ${update_nand_fcb} ; "  \
276                 "setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
277                 "setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
278                 "nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
279                 "fi\0"                                                  \
280         "update_nand_firmware="         /* Update only firmware */      \
281                 "if tftp ${update_nand_firmware_filename} ; then "      \
282                 "run update_nand_get_fcb_size ; "                       \
283                 "setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
284                 "setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; "    \
285                 "setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
286                 "nand erase ${fcb_sz} ${fw_sz} ; "                      \
287                 "nand write ${loadaddr} ${fcb_sz} ${filesize} ; "       \
288                 "nand write ${loadaddr} ${fw_off} ${filesize} ; "       \
289                 "fi\0"
290
291 #endif /* __M28_H__ */