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Davinci: ea20: added I2C support
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1 /*
2 * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
3 *
4 * Based on davinci_dvevm.h. Original Copyrights follow:
5 *
6 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #ifndef __CONFIG_H
24 #define __CONFIG_H
25
26 /*
27 * Board
28 */
29 #define CONFIG_DRIVER_TI_EMAC
30 #define CONFIG_USE_SPIFLASH
31 #define CONFIG_SYS_USE_NAND
32 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
33 #define CONFIG_BOARD_EARLY_INIT_F
34 #define BOARD_LATE_INIT
35 #define CONFIG_VIDEO
36
37 /*
38 * SoC Configuration
39 */
40 #define CONFIG_MACH_DAVINCI_DA850_EVM
41 #define CONFIG_ARM926EJS /* arm926ejs CPU core */
42 #define CONFIG_SOC_DA8XX /* TI DA8xx SoC */
43 #define CONFIG_SYS_CLK_FREQ clk_get(DAVINCI_ARM_CLKID)
44 #define CONFIG_SYS_OSCIN_FREQ 24000000
45 #define CONFIG_SYS_TIMERBASE DAVINCI_TIMER0_BASE
46 #define CONFIG_SYS_HZ_CLOCK clk_get(DAVINCI_AUXCLK_CLKID)
47 #define CONFIG_SYS_HZ 1000
48 #define CONFIG_SKIP_LOWLEVEL_INIT
49 #define CONFIG_SYS_TEXT_BASE 0xc1080000
50
51 /*
52 * Memory Info
53 */
54 #define CONFIG_SYS_MALLOC_LEN (0x10000 + 4*1024*1024) /* malloc() len */
55 #define PHYS_SDRAM_1 DAVINCI_DDR_EMIF_DATA_BASE /* DDR Start */
56 #define PHYS_SDRAM_1_SIZE (64 << 20) /* SDRAM size 64MB */
57 #define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* max size from SPRS586*/
58
59 /* memtest start addr */
60 #define CONFIG_SYS_MEMTEST_START (PHYS_SDRAM_1 + 0x2000000)
61
62 /* memtest will be run on 16MB */
63 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + 0x2000000 + 16*1024*1024)
64
65 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
66 #define CONFIG_STACKSIZE (256*1024) /* regular stack */
67
68 /*
69 * Serial Driver info
70 */
71 #define CONFIG_SYS_NS16550
72 #define CONFIG_SYS_NS16550_SERIAL
73 #define CONFIG_SYS_NS16550_REG_SIZE -4 /* NS16550 register size */
74 #define CONFIG_SYS_NS16550_COM1 DAVINCI_UART0_BASE /* Base address of UART0 */
75 #define CONFIG_SYS_NS16550_CLK clk_get(DAVINCI_UART2_CLKID)
76 #define CONFIG_CONS_INDEX 1 /* use UART0 for console */
77 #define CONFIG_BAUDRATE 115200 /* Default baud rate */
78 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
79
80 #define CONFIG_SPI
81 #define CONFIG_SPI_FLASH
82 #define CONFIG_SPI_FLASH_STMICRO
83 #define CONFIG_DAVINCI_SPI
84 #define CONFIG_SYS_SPI_BASE DAVINCI_SPI1_BASE
85 #define CONFIG_SYS_SPI_CLK clk_get(DAVINCI_SPI1_CLKID)
86 #define CONFIG_SF_DEFAULT_SPEED 30000000
87 #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
88
89 /*
90 * I2C Configuration
91 */
92 #define CONFIG_HARD_I2C
93 #define CONFIG_DRIVER_DAVINCI_I2C
94 #define CONFIG_SYS_I2C_SPEED 100000
95
96 /*
97 * Network & Ethernet Configuration
98 */
99 #ifdef CONFIG_DRIVER_TI_EMAC
100 #define CONFIG_MII
101 #define CONFIG_BOOTP_DEFAULT
102 #define CONFIG_BOOTP_DNS
103 #define CONFIG_BOOTP_DNS2
104 #define CONFIG_BOOTP_SEND_HOSTNAME
105 #define CONFIG_NET_RETRY_COUNT 10
106 #endif
107
108 #ifdef CONFIG_USE_SPIFLASH
109 #undef CONFIG_ENV_IS_IN_FLASH
110 #undef CONFIG_ENV_IS_IN_NAND
111 #define CONFIG_ENV_IS_IN_SPI_FLASH
112 #define CONFIG_ENV_SIZE (8 << 10)
113 #define CONFIG_ENV_OFFSET 0x80000
114 #define CONFIG_ENV_SECT_SIZE (64 << 10)
115 #define CONFIG_SYS_NO_FLASH
116 #endif
117
118
119 #if defined(CONFIG_VIDEO)
120 #define CONFIG_VIDEO_DA8XX
121 #define CONFIG_CFB_CONSOLE
122 #define CONFIG_VGA_AS_SINGLE_DEVICE
123 #define CONFIG_SPLASH_SCREEN
124 #define CONFIG_VIDEO_LOGO
125 #define CONFIG_VIDEO_BMP_RLE8
126 #define CONFIG_CMD_BMP
127 #endif
128
129 /*
130 * U-Boot general configuration
131 */
132 #define CONFIG_BOOTFILE "uImage" /* Boot file name */
133 #define CONFIG_SYS_PROMPT "ea20 > " /* Command Prompt */
134 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
135 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
136 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
137 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Args Buffer Size */
138 #define CONFIG_SYS_LOAD_ADDR (PHYS_SDRAM_1 + 0x700000)
139 #define CONFIG_VERSION_VARIABLE
140 #define CONFIG_AUTO_COMPLETE
141 #define CONFIG_SYS_HUSH_PARSER
142 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
143 #define CONFIG_CMDLINE_EDITING
144 #define CONFIG_SYS_LONGHELP
145 #define CONFIG_CRC32_VERIFY
146 #define CONFIG_MX_CYCLIC
147
148 /*
149 * Linux Information
150 */
151 #define LINUX_BOOT_PARAM_ADDR (PHYS_SDRAM_1 + 0x100)
152 #define CONFIG_CMDLINE_TAG
153 #define CONFIG_SETUP_MEMORY_TAGS
154 #define CONFIG_BOOTDELAY 3
155
156 /*
157 * U-Boot commands
158 */
159 #include <config_cmd_default.h>
160 #define CONFIG_CMD_ENV
161 #define CONFIG_CMD_ASKENV
162 #define CONFIG_CMD_DHCP
163 #define CONFIG_CMD_DIAG
164 #define CONFIG_CMD_MII
165 #define CONFIG_CMD_PING
166 #define CONFIG_CMD_SAVES
167 #define CONFIG_CMD_MEMORY
168 #define CONFIG_CMD_I2C
169
170 #ifndef CONFIG_DRIVER_TI_EMAC
171 #undef CONFIG_CMD_NET
172 #undef CONFIG_CMD_DHCP
173 #undef CONFIG_CMD_MII
174 #undef CONFIG_CMD_PING
175 #endif
176
177 /* NAND Setup */
178 #ifdef CONFIG_SYS_USE_NAND
179 #undef CONFIG_CMD_FLASH
180 #undef CONFIG_CMD_IMLS
181 #define CONFIG_CMD_NAND
182
183 #define CONFIG_CMD_MTDPARTS
184 #define CONFIG_MTD_DEVICE
185 #define CONFIG_MTD_PARTITIONS
186 #define CONFIG_LZO
187 #define CONFIG_RBTREE
188 #define CONFIG_CMD_UBI
189 #define CONFIG_CMD_UBIFS
190
191 #define CONFIG_NAND_DAVINCI
192 #define CONFIG_SYS_NAND_PAGE_2K
193 #define CONFIG_SYS_NAND_CS 2
194 #define CONFIG_SYS_NAND_BASE DAVINCI_ASYNC_EMIF_DATA_CE2_BASE
195 #undef CONFIG_SYS_NAND_HW_ECC
196 #define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
197 #define CONFIG_SYS_NAND_USE_FLASH_BBT
198 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
199 #define NAND_MAX_CHIPS 1
200 #define CONFIG_SYS_64BIT_VSPRINTF /* needed for nand_util.c */
201 #endif
202
203 /* SPI Flash */
204 #ifdef CONFIG_USE_SPIFLASH
205 #undef CONFIG_CMD_IMLS
206 #undef CONFIG_CMD_FLASH
207 #define CONFIG_CMD_SPI
208 #define CONFIG_CMD_SF
209 #define CONFIG_CMD_SAVEENV
210 #endif
211
212 #if !defined(CONFIG_SYS_USE_NAND) && \
213 !defined(CONFIG_USE_NOR) && \
214 !defined(CONFIG_USE_SPIFLASH)
215 #define CONFIG_ENV_IS_NOWHERE
216 #define CONFIG_SYS_NO_FLASH
217 #define CONFIG_ENV_SIZE (16 << 10)
218 #undef CONFIG_CMD_IMLS
219 #undef CONFIG_CMD_ENV
220 #endif
221
222 /* additions for new relocation code, must added to all boards */
223 #define CONFIG_SYS_SDRAM_BASE 0xc0000000
224 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000 - \
225 GENERATED_GBL_DATA_SIZE)
226 /*
227 * Default environment and default scripts
228 * to update uboot and load kernel
229 */
230 #define xstr(s) str(s)
231 #define str(s) #s
232
233
234 #define CONFIG_HOSTNAME ea20
235 #define CONFIG_EXTRA_ENV_SETTINGS \
236 "as=3\0" \
237 "netdev=eth0\0" \
238 "nfsargs=setenv bootargs root=/dev/nfs rw " \
239 "nfsroot=${serverip}:${rootpath}\0" \
240 "rfsbargs=setenv bootargs root=/dev/nfs rw " \
241 "nfsroot=${serverip}:${rfsbpath}\0" \
242 "ramargs=setenv bootargs root=/dev/ram rw\0" \
243 "mtdids=nand0=davinci_nand.0\0" \
244 "mtdparts=mtdparts=davinci_nand.0:8m(Settings),8m(aKernel)," \
245 "8m(bKernel),76m(aRootfs),76m(bRootfs),-(MassSD)\0" \
246 "nandargs=setenv bootargs rootfstype=ubifs ro chk_data_crc " \
247 "ubi.mtd=${as} root=ubi0:rootfs\0" \
248 "addip_sta=setenv bootargs ${bootargs} " \
249 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
250 ":${hostname}:${netdev}:off panic=1\0" \
251 "addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0" \
252 "addip=if test -n ${ipdyn};then run addip_dyn;" \
253 "else run addip_sta;fi\0" \
254 "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
255 "addtty=setenv bootargs ${bootargs}" \
256 " console=${consoledev},${baudrate}n8\0" \
257 "addmisc=setenv bootargs ${bootargs} ${misc}\0" \
258 "addmem=setenv bootargs ${bootargs} mem=${memory}\0" \
259 "consoledev=ttyS0\0" \
260 "loadaddr=c0000014\0" \
261 "memory=32M\0" \
262 "kernel_addr_r=c0700000\0" \
263 "hostname=" xstr(CONFIG_HOSTNAME) "\0" \
264 "bootfile=" xstr(CONFIG_HOSTNAME) "/uImage\0" \
265 "ramdisk_file=" xstr(CONFIG_HOSTNAME) "/uRamdisk\0" \
266 "flash_self=run ramargs addip addtty addmtd addmisc addmem;" \
267 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
268 "flash_nfs=run nfsargs addip addtty addmtd addmisc addmem;" \
269 "bootm ${kernel_addr}\0" \
270 "net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
271 "run nfsargs addip addtty addmtd addmisc addmem;" \
272 "bootm ${kernel_addr_r}\0" \
273 "net_rfsb=tftp ${kernel_addr_r} ${bootfile}; " \
274 "run rfsbargs addip addtty addmtd addmisc addmem; " \
275 "bootm ${kernel_addr_r}\0" \
276 "net_self_load=tftp ${kernel_addr_r} ${bootfile};" \
277 "tftp ${ramdisk_addr_r} ${ramdisk_file};\0" \
278 "nand_nand=ubi part nand0,${as};ubifsmount rootfs;" \
279 "ubifsload ${kernel_addr_r} /boot/uImage;" \
280 "ubifsumount; run nandargs addip addtty " \
281 "addmtd addmisc addmem;bootm ${kernel_addr_r}\0" \
282 "u-boot=" xstr(CONFIG_HOSTNAME) "/u-boot.bin\0" \
283 "load_magic=if sf probe 0;then sf " \
284 "read c0000000 0x10000 0x60000;fi\0" \
285 "load_nand=ubi part nand0,${as};ubifsmount rootfs;" \
286 "if ubifsload c0000014 /boot/u-boot.bin;" \
287 "then mw c0000008 ${filesize};else echo Error reading " \
288 "u-boot from nand!;fi\0" \
289 "load_net=if sf probe 0;then sf read c0000000 0x10000 0x60000;" \
290 "tftp c0000014 ${u-boot};" \
291 "mw c0000008 ${filesize};" \
292 "fi\0" \
293 "upd=if sf probe 0;then sf erase 10000 60000;" \
294 "sf write c0000000 10000 60000;" \
295 "fi\0" \
296 "ubootupd_net=if run load_net;then echo Updating u-boot;" \
297 "if run upd; then echo U-Boot updated;" \
298 "else echo Error updating u-boot !;" \
299 "echo Board without bootloader !!;" \
300 "fi;" \
301 "else echo U-Boot not downloaded..exiting;fi\0" \
302 "ubootupd_nand=echo run load_magic,run load_nand,run upd;\0" \
303 "bootcmd=run net_nfs\0"
304
305 #endif /* __CONFIG_H */