1 /*
2  * Configuration settings for the Gumstix Overo board.
3  *
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.
8  *
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.
13  *
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.
17  */
18 
19 #ifndef __CONFIG_H
20 #define __CONFIG_H
21 
22 /*
23  * High Level Configuration Options
24  */
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 */
28 
29 #define CONFIG_SDRC				/* The chip has SDRC controller */
30 
31 #include <asm/arch/cpu.h>			/* get chip and board defs */
32 #include <asm/arch/omap3.h>
33 
34 /*
35  * Display CPU and Board information
36  */
37 #define CONFIG_DISPLAY_CPUINFO
38 #define CONFIG_DISPLAY_BOARDINFO
39 
40 /* Clock Defines */
41 #define V_OSCK			26000000	/* Clock output from T2 */
42 #define V_SCLK			(V_OSCK >> 1)
43 
44 #undef CONFIG_USE_IRQ				/* no support for IRQs */
45 #define CONFIG_MISC_INIT_R
46 
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
51 
52 #define CONFIG_OF_LIBFDT
53 
54 /*
55  * Size of malloc() pool
56  */
57 #define CONFIG_ENV_SIZE		(128 << 10)	/* 128 KiB */
58 						/* Sector */
59 #define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (128 << 10))
60 
61 /*
62  * Hardware drivers
63  */
64 
65 /*
66  * NS16550 Configuration
67  */
68 #define V_NS16550_CLK		48000000	/* 48MHz (APLL96/2) */
69 
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
74 
75 /*
76  * select serial console configuration
77  */
78 #define CONFIG_CONS_INDEX		3
79 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
80 #define CONFIG_SERIAL3			3
81 
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, \
86 					115200}
87 #define CONFIG_GENERIC_MMC
88 #define CONFIG_MMC
89 #define CONFIG_OMAP_HSMMC
90 #define CONFIG_DOS_PARTITION
91 
92 /* commands to include */
93 #include <config_cmd_default.h>
94 
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		*/
99 
100 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
101 #define CONFIG_CMD_MMC		/* MMC support			*/
102 #define CONFIG_CMD_NAND		/* NAND support			*/
103 
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	*/
110 
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
117 
118 /*
119  * TWL4030
120  */
121 #define CONFIG_TWL4030_POWER
122 #define CONFIG_TWL4030_LED
123 
124 /*
125  * Board NAND Info.
126  */
127 #define CONFIG_SYS_NAND_QUIET_TEST
128 #define CONFIG_NAND_OMAP_GPMC
129 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
130 							/* to access nand */
131 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
132 							/* to access nand */
133 							/* at CS0 */
134 #define GPMC_NAND_ECC_LP_x16_LAYOUT
135 
136 #define CONFIG_SYS_MAX_NAND_DEVICE	1	/* Max number of NAND */
137 						/* devices */
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 */
144 							/* partition */
145 
146 /* Environment information */
147 #define CONFIG_BOOTDELAY		5
148 
149 #define CONFIG_EXTRA_ENV_SETTINGS \
150 	"loadaddr=0x82000000\0" \
151 	"console=ttyO2,115200n8\0" \
152 	"mpurate=500\0" \
153 	"optargs=\0" \
154 	"vram=12M\0" \
155 	"dvimode=1024x768MR-16@60\0" \
156 	"defaultdisplay=dvi\0" \
157 	"mmcdev=0\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=${console} " \
163 		"${optargs} " \
164 		"mpurate=${mpurate} " \
165 		"vram=${vram} " \
166 		"omapfb.mode=dvi:${dvimode} " \
167 		"omapdss.def_disp=${defaultdisplay} " \
168 		"root=${mmcroot} " \
169 		"rootfstype=${mmcrootfstype}\0" \
170 	"nandargs=setenv bootargs console=${console} " \
171 		"${optargs} " \
172 		"mpurate=${mpurate} " \
173 		"vram=${vram} " \
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 ...; " \
183 		"run mmcargs; " \
184 		"bootm ${loadaddr}\0" \
185 	"nandboot=echo Booting from nand ...; " \
186 		"run nandargs; " \
187 		"nand read ${loadaddr} 280000 400000; " \
188 		"bootm ${loadaddr}\0" \
189 
190 #define CONFIG_BOOTCOMMAND \
191 	"if mmc rescan ${mmcdev}; then " \
192 		"if run loadbootscript; then " \
193 			"run bootscript; " \
194 		"else " \
195 			"if run loaduimage; then " \
196 				"run mmcboot; " \
197 			"else run nandboot; " \
198 			"fi; " \
199 		"fi; " \
200 	"else run nandboot; fi"
201 
202 #define CONFIG_AUTO_COMPLETE	1
203 /*
204  * Miscellaneous configurable options
205  */
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 */
215 						/* args */
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 */
222 
223 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
224 								/* address */
225 /*
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.
229  */
230 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
231 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
232 #define CONFIG_SYS_HZ			1000
233 
234 /*-----------------------------------------------------------------------
235  * Stack sizes
236  *
237  * The stack sizes are set up in start.S using the settings below
238  */
239 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
240 
241 /*-----------------------------------------------------------------------
242  * Physical Memory Map
243  */
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
247 
248 /*-----------------------------------------------------------------------
249  * FLASH and environment organization
250  */
251 
252 /* **** PISMO SUPPORT *** */
253 
254 /* Configure the PISMO */
255 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
256 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
257 
258 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
259 
260 #if defined(CONFIG_CMD_NAND)
261 #define CONFIG_SYS_FLASH_BASE		PISMO1_NAND_BASE
262 #endif
263 
264 /* Monitor at start of flash */
265 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
266 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
267 
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 */
271 
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
275 
276 #if defined(CONFIG_CMD_NET)
277 /*----------------------------------------------------------------------------
278  * SMSC9211 Ethernet from SMSC9118 family
279  *----------------------------------------------------------------------------
280  */
281 
282 #define CONFIG_SMC911X
283 #define CONFIG_SMC911X_32_BIT
284 #define CONFIG_SMC911X_BASE		0x2C000000
285 
286 #endif /* (CONFIG_CMD_NET) */
287 
288 /*
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.
291  */
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)
299 
300 #define CONFIG_SYS_CACHELINE_SIZE	64
301 
302 /* Defines for SPL */
303 #define CONFIG_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
308 
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 */
314 
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"
319 
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"
330 
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,\
339 						10, 11, 12, 13}
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
344 
345 #endif				/* __CONFIG_H */
346