2 * Configuration settings for the Gumstix Overo board.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of
7 * the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * High Level Configuration Options
26 #define CONFIG_OMAP 1 /* in a TI OMAP core */
27 #define CONFIG_OMAP34XX 1 /* which is a 34XX */
28 #define CONFIG_OMAP3_OVERO 1 /* working with overo */
30 #define CONFIG_SDRC /* The chip has SDRC controller */
32 #include <asm/arch/cpu.h> /* get chip and board defs */
33 #include <asm/arch/omap3.h>
36 * Display CPU and Board information
38 #define CONFIG_DISPLAY_CPUINFO 1
39 #define CONFIG_DISPLAY_BOARDINFO 1
42 #define V_OSCK 26000000 /* Clock output from T2 */
43 #define V_SCLK (V_OSCK >> 1)
45 #undef CONFIG_USE_IRQ /* no support for IRQs */
46 #define CONFIG_MISC_INIT_R
48 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
49 #define CONFIG_SETUP_MEMORY_TAGS 1
50 #define CONFIG_INITRD_TAG 1
51 #define CONFIG_REVISION_TAG 1
53 #define CONFIG_OF_LIBFDT 1
56 * Size of malloc() pool
58 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
60 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10))
67 * NS16550 Configuration
69 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
71 #define CONFIG_SYS_NS16550
72 #define CONFIG_SYS_NS16550_SERIAL
73 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
74 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
77 * select serial console configuration
79 #define CONFIG_CONS_INDEX 3
80 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
81 #define CONFIG_SERIAL3 3
83 /* allow to overwrite serial and ethaddr */
84 #define CONFIG_ENV_OVERWRITE
85 #define CONFIG_BAUDRATE 115200
86 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \
88 #define CONFIG_GENERIC_MMC 1
90 #define CONFIG_OMAP_HSMMC 1
91 #define CONFIG_DOS_PARTITION 1
93 /* DDR - I use Micron DDR */
94 #define CONFIG_OMAP3_MICRON_DDR 1
96 /* commands to include */
97 #include <config_cmd_default.h>
99 #define CONFIG_CMD_CACHE
100 #define CONFIG_CMD_EXT2 /* EXT2 Support */
101 #define CONFIG_CMD_FAT /* FAT support */
102 #define CONFIG_CMD_JFFS2 /* JFFS2 Support */
104 #define CONFIG_CMD_I2C /* I2C serial bus support */
105 #define CONFIG_CMD_MMC /* MMC support */
106 #define CONFIG_CMD_NAND /* NAND support */
108 #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
109 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */
110 #undef CONFIG_CMD_IMI /* iminfo */
111 #undef CONFIG_CMD_IMLS /* List all found images */
112 #undef CONFIG_CMD_NFS /* NFS support */
113 #define CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
115 #define CONFIG_SYS_NO_FLASH
116 #define CONFIG_HARD_I2C 1
117 #define CONFIG_SYS_I2C_SPEED 100000
118 #define CONFIG_SYS_I2C_SLAVE 1
119 #define CONFIG_SYS_I2C_BUS 0
120 #define CONFIG_SYS_I2C_BUS_SELECT 1
121 #define CONFIG_I2C_MULTI_BUS 1
122 #define CONFIG_DRIVER_OMAP34XX_I2C 1
127 #define CONFIG_TWL4030_POWER 1
128 #define CONFIG_TWL4030_LED 1
133 #define CONFIG_SYS_NAND_QUIET_TEST 1
134 #define CONFIG_NAND_OMAP_GPMC
135 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
137 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
140 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1
142 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
144 #define CONFIG_JFFS2_NAND
145 /* nand device jffs2 lives on */
146 #define CONFIG_JFFS2_DEV "nand0"
147 /* start of jffs2 partition */
148 #define CONFIG_JFFS2_PART_OFFSET 0x680000
149 #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */
152 /* Environment information */
153 #define CONFIG_BOOTDELAY 5
155 #define CONFIG_EXTRA_ENV_SETTINGS \
156 "loadaddr=0x82000000\0" \
157 "console=ttyO2,115200n8\0" \
161 "dvimode=1024x768MR-16@60\0" \
162 "defaultdisplay=dvi\0" \
164 "mmcroot=/dev/mmcblk0p2 rw\0" \
165 "mmcrootfstype=ext3 rootwait\0" \
166 "nandroot=ubi0:rootfs ubi.mtd=4\0" \
167 "nandrootfstype=ubifs\0" \
168 "mmcargs=setenv bootargs console=${console} " \
170 "mpurate=${mpurate} " \
172 "omapfb.mode=dvi:${dvimode} " \
173 "omapdss.def_disp=${defaultdisplay} " \
175 "rootfstype=${mmcrootfstype}\0" \
176 "nandargs=setenv bootargs console=${console} " \
178 "mpurate=${mpurate} " \
180 "omapfb.mode=dvi:${dvimode} " \
181 "omapdss.def_disp=${defaultdisplay} " \
182 "root=${nandroot} " \
183 "rootfstype=${nandrootfstype}\0" \
184 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
185 "bootscript=echo Running bootscript from mmc ...; " \
186 "source ${loadaddr}\0" \
187 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
188 "mmcboot=echo Booting from mmc ...; " \
190 "bootm ${loadaddr}\0" \
191 "nandboot=echo Booting from nand ...; " \
193 "nand read ${loadaddr} 280000 400000; " \
194 "bootm ${loadaddr}\0" \
196 #define CONFIG_BOOTCOMMAND \
197 "if mmc rescan ${mmcdev}; then " \
198 "if run loadbootscript; then " \
201 "if run loaduimage; then " \
203 "else run nandboot; " \
206 "else run nandboot; fi"
208 #define CONFIG_AUTO_COMPLETE 1
210 * Miscellaneous configurable options
212 #define CONFIG_SYS_LONGHELP /* undef to save memory */
213 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
214 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
215 #define CONFIG_SYS_PROMPT "Overo # "
216 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
217 /* Print Buffer Size */
218 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
219 sizeof(CONFIG_SYS_PROMPT) + 16)
220 #define CONFIG_SYS_MAXARGS 16 /* max number of command */
222 /* Boot Argument Buffer Size */
223 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
224 /* memtest works on */
225 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
226 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
227 0x01F00000) /* 31MB */
229 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */
232 * OMAP3 has 12 GP timers, they can be driven by the system clock
233 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
234 * This rate is divided by a local divisor.
236 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2
237 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
238 #define CONFIG_SYS_HZ 1000
240 /*-----------------------------------------------------------------------
243 * The stack sizes are set up in start.S using the settings below
245 #define CONFIG_STACKSIZE (128 << 10) /* regular stack 128 KiB */
247 /*-----------------------------------------------------------------------
248 * Physical Memory Map
250 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
251 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
252 #define PHYS_SDRAM_1_SIZE (32 << 20) /* at least 32 MiB */
253 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
255 /*-----------------------------------------------------------------------
256 * FLASH and environment organization
259 /* **** PISMO SUPPORT *** */
261 /* Configure the PISMO */
262 #define PISMO1_NAND_SIZE GPMC_SIZE_128M
263 #define PISMO1_ONEN_SIZE GPMC_SIZE_128M
265 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */
267 #if defined(CONFIG_CMD_NAND)
268 #define CONFIG_SYS_FLASH_BASE PISMO1_NAND_BASE
271 /* Monitor at start of flash */
272 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
273 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
275 #define CONFIG_ENV_IS_IN_NAND 1
276 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
277 #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */
279 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
280 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET
281 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET
283 #if defined(CONFIG_CMD_NET)
284 /*----------------------------------------------------------------------------
285 * SMSC9211 Ethernet from SMSC9118 family
286 *----------------------------------------------------------------------------
289 #define CONFIG_SMC911X 1
290 #define CONFIG_SMC911X_32_BIT
291 #define CONFIG_SMC911X_BASE 0x2C000000
293 #endif /* (CONFIG_CMD_NET) */
295 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
296 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
297 #define CONFIG_SYS_INIT_RAM_SIZE 0x800
298 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
299 CONFIG_SYS_INIT_RAM_SIZE - \
300 GENERATED_GBL_DATA_SIZE)
302 #define CONFIG_SYS_CACHELINE_SIZE 64
304 #endif /* __CONFIG_H */