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
23 * High Level Configuration Options
25 #define CONFIG_OMAP /* in a TI OMAP core */
26 #define CONFIG_OMAP34XX /* which is a 34XX */
27 #define CONFIG_OMAP3_OVERO /* working with overo */
29 #define CONFIG_SDRC /* The chip has SDRC controller */
31 #include <asm/arch/cpu.h> /* get chip and board defs */
32 #include <asm/arch/omap3.h>
35 * Display CPU and Board information
37 #define CONFIG_DISPLAY_CPUINFO
38 #define CONFIG_DISPLAY_BOARDINFO
41 #define V_OSCK 26000000 /* Clock output from T2 */
42 #define V_SCLK (V_OSCK >> 1)
44 #undef CONFIG_USE_IRQ /* no support for IRQs */
45 #define CONFIG_MISC_INIT_R
47 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
48 #define CONFIG_SETUP_MEMORY_TAGS
49 #define CONFIG_INITRD_TAG
50 #define CONFIG_REVISION_TAG
52 #define CONFIG_OF_LIBFDT
55 * Size of malloc() pool
57 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
59 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10))
66 * NS16550 Configuration
68 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
70 #define CONFIG_SYS_NS16550
71 #define CONFIG_SYS_NS16550_SERIAL
72 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
73 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
76 * select serial console configuration
78 #define CONFIG_CONS_INDEX 3
79 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
80 #define CONFIG_SERIAL3 3
82 /* allow to overwrite serial and ethaddr */
83 #define CONFIG_ENV_OVERWRITE
84 #define CONFIG_BAUDRATE 115200
85 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \
87 #define CONFIG_GENERIC_MMC
89 #define CONFIG_OMAP_HSMMC
90 #define CONFIG_DOS_PARTITION
92 /* commands to include */
93 #include <config_cmd_default.h>
95 #define CONFIG_CMD_CACHE
96 #define CONFIG_CMD_EXT2 /* EXT2 Support */
97 #define CONFIG_CMD_FAT /* FAT support */
98 #define CONFIG_CMD_JFFS2 /* JFFS2 Support */
100 #define CONFIG_CMD_I2C /* I2C serial bus support */
101 #define CONFIG_CMD_MMC /* MMC support */
102 #define CONFIG_CMD_NAND /* NAND support */
104 #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
105 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */
106 #undef CONFIG_CMD_IMI /* iminfo */
107 #undef CONFIG_CMD_IMLS /* List all found images */
108 #undef CONFIG_CMD_NFS /* NFS support */
109 #define CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
111 #define CONFIG_SYS_NO_FLASH
112 #define CONFIG_HARD_I2C
113 #define CONFIG_SYS_I2C_SPEED 100000
114 #define CONFIG_SYS_I2C_SLAVE 1
115 #define CONFIG_I2C_MULTI_BUS
116 #define CONFIG_DRIVER_OMAP34XX_I2C
121 #define CONFIG_TWL4030_POWER
122 #define CONFIG_TWL4030_LED
127 #define CONFIG_SYS_NAND_QUIET_TEST
128 #define CONFIG_NAND_OMAP_GPMC
129 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
131 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
134 #define GPMC_NAND_ECC_LP_x16_LAYOUT
136 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
138 #define CONFIG_JFFS2_NAND
139 /* nand device jffs2 lives on */
140 #define CONFIG_JFFS2_DEV "nand0"
141 /* start of jffs2 partition */
142 #define CONFIG_JFFS2_PART_OFFSET 0x680000
143 #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */
146 /* Environment information */
147 #define CONFIG_BOOTDELAY 5
149 #define CONFIG_EXTRA_ENV_SETTINGS \
150 "loadaddr=0x82000000\0" \
151 "console=ttyO2,115200n8\0" \
155 "dvimode=1024x768MR-16@60\0" \
156 "defaultdisplay=dvi\0" \
158 "mmcroot=/dev/mmcblk0p2 rw\0" \
159 "mmcrootfstype=ext3 rootwait\0" \
160 "nandroot=ubi0:rootfs ubi.mtd=4\0" \
161 "nandrootfstype=ubifs\0" \
162 "mmcargs=setenv bootargs console=${console} " \
164 "mpurate=${mpurate} " \
166 "omapfb.mode=dvi:${dvimode} " \
167 "omapdss.def_disp=${defaultdisplay} " \
169 "rootfstype=${mmcrootfstype}\0" \
170 "nandargs=setenv bootargs console=${console} " \
172 "mpurate=${mpurate} " \
174 "omapfb.mode=dvi:${dvimode} " \
175 "omapdss.def_disp=${defaultdisplay} " \
176 "root=${nandroot} " \
177 "rootfstype=${nandrootfstype}\0" \
178 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
179 "bootscript=echo Running bootscript from mmc ...; " \
180 "source ${loadaddr}\0" \
181 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
182 "mmcboot=echo Booting from mmc ...; " \
184 "bootm ${loadaddr}\0" \
185 "nandboot=echo Booting from nand ...; " \
187 "nand read ${loadaddr} 280000 400000; " \
188 "bootm ${loadaddr}\0" \
190 #define CONFIG_BOOTCOMMAND \
191 "if mmc rescan ${mmcdev}; then " \
192 "if run loadbootscript; then " \
195 "if run loaduimage; then " \
197 "else run nandboot; " \
200 "else run nandboot; fi"
202 #define CONFIG_AUTO_COMPLETE 1
204 * Miscellaneous configurable options
206 #define CONFIG_SYS_LONGHELP /* undef to save memory */
207 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
208 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
209 #define CONFIG_SYS_PROMPT "Overo # "
210 #define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
211 /* Print Buffer Size */
212 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
213 sizeof(CONFIG_SYS_PROMPT) + 16)
214 #define CONFIG_SYS_MAXARGS 16 /* max number of command */
216 /* Boot Argument Buffer Size */
217 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
218 /* memtest works on */
219 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
220 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
221 0x01F00000) /* 31MB */
223 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */
226 * OMAP3 has 12 GP timers, they can be driven by the system clock
227 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
228 * This rate is divided by a local divisor.
230 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2
231 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
232 #define CONFIG_SYS_HZ 1000
234 /*-----------------------------------------------------------------------
237 * The stack sizes are set up in start.S using the settings below
239 #define CONFIG_STACKSIZE (128 << 10) /* regular stack 128 KiB */
241 /*-----------------------------------------------------------------------
242 * Physical Memory Map
244 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
245 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
246 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
248 /*-----------------------------------------------------------------------
249 * FLASH and environment organization
252 /* **** PISMO SUPPORT *** */
254 /* Configure the PISMO */
255 #define PISMO1_NAND_SIZE GPMC_SIZE_128M
256 #define PISMO1_ONEN_SIZE GPMC_SIZE_128M
258 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */
260 #if defined(CONFIG_CMD_NAND)
261 #define CONFIG_SYS_FLASH_BASE PISMO1_NAND_BASE
264 /* Monitor at start of flash */
265 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
266 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
268 #define CONFIG_ENV_IS_IN_NAND
269 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
270 #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */
272 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
273 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET
274 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET
276 #if defined(CONFIG_CMD_NET)
277 /*----------------------------------------------------------------------------
278 * SMSC9211 Ethernet from SMSC9118 family
279 *----------------------------------------------------------------------------
282 #define CONFIG_SMC911X
283 #define CONFIG_SMC911X_32_BIT
284 #define CONFIG_SMC911X_BASE 0x2C000000
286 #endif /* (CONFIG_CMD_NET) */
289 * Leave it at 0x80008000 to allow booting new u-boot.bin with X-loader
290 * and older u-boot.bin with the new U-Boot SPL.
292 #define CONFIG_SYS_TEXT_BASE 0x80008000
293 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
294 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
295 #define CONFIG_SYS_INIT_RAM_SIZE 0x800
296 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
297 CONFIG_SYS_INIT_RAM_SIZE - \
298 GENERATED_GBL_DATA_SIZE)
300 #define CONFIG_SYS_CACHELINE_SIZE 64
302 /* Defines for SPL */
304 #define CONFIG_SPL_NAND_SIMPLE
305 #define CONFIG_SPL_TEXT_BASE 0x40200800
306 #define CONFIG_SPL_MAX_SIZE (45 * 1024)
307 #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
309 /* move malloc and bss high to prevent clashing with the main image */
310 #define CONFIG_SYS_SPL_MALLOC_START 0x87000000
311 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
312 #define CONFIG_SPL_BSS_START_ADDR 0x87080000 /* end of minimum RAM */
313 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
315 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
316 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
317 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
318 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
320 #define CONFIG_SPL_LIBCOMMON_SUPPORT
321 #define CONFIG_SPL_LIBDISK_SUPPORT
322 #define CONFIG_SPL_I2C_SUPPORT
323 #define CONFIG_SPL_LIBGENERIC_SUPPORT
324 #define CONFIG_SPL_MMC_SUPPORT
325 #define CONFIG_SPL_FAT_SUPPORT
326 #define CONFIG_SPL_SERIAL_SUPPORT
327 #define CONFIG_SPL_NAND_SUPPORT
328 #define CONFIG_SPL_POWER_SUPPORT
329 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
331 /* NAND boot config */
332 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
333 #define CONFIG_SYS_NAND_PAGE_COUNT 64
334 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
335 #define CONFIG_SYS_NAND_OOBSIZE 64
336 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
337 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
338 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9,\
340 #define CONFIG_SYS_NAND_ECCSIZE 512
341 #define CONFIG_SYS_NAND_ECCBYTES 3
342 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
343 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
345 #endif /* __CONFIG_H */