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., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  */
19 
20 #ifndef __CONFIG_H
21 #define __CONFIG_H
22 
23 /*
24  * High Level Configuration Options
25  */
26 #define CONFIG_OMAP		1	/* in a TI OMAP core */
27 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
28 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
29 #define CONFIG_OMAP3_OVERO	1	/* working with overo */
30 
31 #define CONFIG_SDRC	/* The chip has SDRC controller */
32 
33 #include <asm/arch/cpu.h>	/* get chip and board defs */
34 #include <asm/arch/omap3.h>
35 
36 /*
37  * Display CPU and Board information
38  */
39 #define CONFIG_DISPLAY_CPUINFO		1
40 #define CONFIG_DISPLAY_BOARDINFO	1
41 
42 /* Clock Defines */
43 #define V_OSCK			26000000	/* Clock output from T2 */
44 #define V_SCLK			(V_OSCK >> 1)
45 
46 #undef CONFIG_USE_IRQ		/* no support for IRQs */
47 #define CONFIG_MISC_INIT_R
48 
49 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
50 #define CONFIG_SETUP_MEMORY_TAGS	1
51 #define CONFIG_INITRD_TAG		1
52 #define CONFIG_REVISION_TAG		1
53 
54 #define CONFIG_OF_LIBFDT		1
55 
56 /*
57  * Size of malloc() pool
58  */
59 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
60 						/* Sector */
61 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
62 
63 /*
64  * Hardware drivers
65  */
66 
67 /*
68  * NS16550 Configuration
69  */
70 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
71 
72 #define CONFIG_SYS_NS16550
73 #define CONFIG_SYS_NS16550_SERIAL
74 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
75 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
76 
77 /*
78  * select serial console configuration
79  */
80 #define CONFIG_CONS_INDEX		3
81 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
82 #define CONFIG_SERIAL3			3
83 
84 /* allow to overwrite serial and ethaddr */
85 #define CONFIG_ENV_OVERWRITE
86 #define CONFIG_BAUDRATE			115200
87 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600, \
88 					115200}
89 #define CONFIG_GENERIC_MMC		1
90 #define CONFIG_MMC			1
91 #define CONFIG_OMAP_HSMMC		1
92 #define CONFIG_DOS_PARTITION		1
93 
94 /* DDR - I use Micron DDR */
95 #define CONFIG_OMAP3_MICRON_DDR		1
96 
97 /* commands to include */
98 #include <config_cmd_default.h>
99 
100 #define CONFIG_CMD_CACHE
101 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
102 #define CONFIG_CMD_FAT		/* FAT support			*/
103 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
104 
105 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
106 #define CONFIG_CMD_MMC		/* MMC support			*/
107 #define CONFIG_CMD_NAND		/* NAND support			*/
108 
109 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
110 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
111 #undef CONFIG_CMD_IMI		/* iminfo			*/
112 #undef CONFIG_CMD_IMLS		/* List all found images	*/
113 #undef CONFIG_CMD_NFS		/* NFS support			*/
114 #define CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
115 
116 #define CONFIG_SYS_NO_FLASH
117 #define CONFIG_HARD_I2C			1
118 #define CONFIG_SYS_I2C_SPEED		100000
119 #define CONFIG_SYS_I2C_SLAVE		1
120 #define CONFIG_SYS_I2C_BUS		0
121 #define CONFIG_SYS_I2C_BUS_SELECT	1
122 #define CONFIG_I2C_MULTI_BUS		1
123 #define CONFIG_DRIVER_OMAP34XX_I2C	1
124 
125 /*
126  * TWL4030
127  */
128 #define CONFIG_TWL4030_POWER		1
129 #define CONFIG_TWL4030_LED		1
130 
131 /*
132  * Board NAND Info.
133  */
134 #define CONFIG_SYS_NAND_QUIET_TEST	1
135 #define CONFIG_NAND_OMAP_GPMC
136 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
137 							/* to access nand */
138 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
139 							/* to access nand */
140 							/* at CS0 */
141 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
142 
143 #define CONFIG_SYS_MAX_NAND_DEVICE	1	/* Max number of NAND */
144 						/* devices */
145 #define CONFIG_JFFS2_NAND
146 /* nand device jffs2 lives on */
147 #define CONFIG_JFFS2_DEV		"nand0"
148 /* start of jffs2 partition */
149 #define CONFIG_JFFS2_PART_OFFSET	0x680000
150 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
151 							/* partition */
152 
153 /* Environment information */
154 #define CONFIG_BOOTDELAY		5
155 
156 #define CONFIG_EXTRA_ENV_SETTINGS \
157 	"loadaddr=0x82000000\0" \
158 	"console=ttyS2,115200n8\0" \
159 	"mpurate=500\0" \
160 	"vram=12M\0" \
161 	"dvimode=1024x768MR-16@60\0" \
162 	"defaultdisplay=dvi\0" \
163 	"mmcdev=0\0" \
164 	"mmcroot=/dev/mmcblk0p2 rw\0" \
165 	"mmcrootfstype=ext3 rootwait\0" \
166 	"nandroot=/dev/mtdblock4 rw\0" \
167 	"nandrootfstype=jffs2\0" \
168 	"mmcargs=setenv bootargs console=${console} " \
169 		"mpurate=${mpurate} " \
170 		"vram=${vram} " \
171 		"omapfb.mode=dvi:${dvimode} " \
172 		"omapdss.def_disp=${defaultdisplay} " \
173 		"root=${mmcroot} " \
174 		"rootfstype=${mmcrootfstype}\0" \
175 	"nandargs=setenv bootargs console=${console} " \
176 		"mpurate=${mpurate} " \
177 		"vram=${vram} " \
178 		"omapfb.mode=dvi:${dvimode} " \
179 		"omapdss.def_disp=${defaultdisplay} " \
180 		"root=${nandroot} " \
181 		"rootfstype=${nandrootfstype}\0" \
182 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
183 	"bootscript=echo Running bootscript from mmc ...; " \
184 		"source ${loadaddr}\0" \
185 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
186 	"mmcboot=echo Booting from mmc ...; " \
187 		"run mmcargs; " \
188 		"bootm ${loadaddr}\0" \
189 	"nandboot=echo Booting from nand ...; " \
190 		"run nandargs; " \
191 		"nand read ${loadaddr} 280000 400000; " \
192 		"bootm ${loadaddr}\0" \
193 
194 #define CONFIG_BOOTCOMMAND \
195 	"if mmc rescan ${mmcdev}; then " \
196 		"if run loadbootscript; then " \
197 			"run bootscript; " \
198 		"else " \
199 			"if run loaduimage; then " \
200 				"run mmcboot; " \
201 			"else run nandboot; " \
202 			"fi; " \
203 		"fi; " \
204 	"else run nandboot; fi"
205 
206 #define CONFIG_AUTO_COMPLETE	1
207 /*
208  * Miscellaneous configurable options
209  */
210 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
211 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
212 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
213 #define CONFIG_SYS_PROMPT		"Overo # "
214 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
215 /* Print Buffer Size */
216 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
217 					sizeof(CONFIG_SYS_PROMPT) + 16)
218 #define CONFIG_SYS_MAXARGS		16	/* max number of command */
219 						/* args */
220 /* Boot Argument Buffer Size */
221 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
222 /* memtest works on */
223 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
224 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
225 					0x01F00000) /* 31MB */
226 
227 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
228 								/* address */
229 /*
230  * OMAP3 has 12 GP timers, they can be driven by the system clock
231  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
232  * This rate is divided by a local divisor.
233  */
234 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
235 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
236 #define CONFIG_SYS_HZ			1000
237 
238 /*-----------------------------------------------------------------------
239  * Stack sizes
240  *
241  * The stack sizes are set up in start.S using the settings below
242  */
243 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
244 #ifdef CONFIG_USE_IRQ
245 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack 4 KiB */
246 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack 4 KiB */
247 #endif
248 
249 /*-----------------------------------------------------------------------
250  * Physical Memory Map
251  */
252 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
253 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
254 #define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
255 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
256 
257 /* SDRAM Bank Allocation method */
258 #define SDRC_R_B_C		1
259 
260 /*-----------------------------------------------------------------------
261  * FLASH and environment organization
262  */
263 
264 /* **** PISMO SUPPORT *** */
265 
266 /* Configure the PISMO */
267 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
268 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
269 
270 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
271 
272 #if defined(CONFIG_CMD_NAND)
273 #define CONFIG_SYS_FLASH_BASE		PISMO1_NAND_BASE
274 #endif
275 
276 /* Monitor at start of flash */
277 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
278 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
279 
280 #define CONFIG_ENV_IS_IN_NAND		1
281 #define ONENAND_ENV_OFFSET		0x240000 /* environment starts here */
282 #define SMNAND_ENV_OFFSET		0x240000 /* environment starts here */
283 
284 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
285 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
286 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
287 
288 #if defined(CONFIG_CMD_NET)
289 /*----------------------------------------------------------------------------
290  * SMSC9211 Ethernet from SMSC9118 family
291  *----------------------------------------------------------------------------
292  */
293 
294 #define CONFIG_SMC911X		1
295 #define CONFIG_SMC911X_32_BIT
296 #define CONFIG_SMC911X_BASE     0x2C000000
297 
298 #endif /* (CONFIG_CMD_NET) */
299 
300 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
301 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
302 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
303 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
304 					 CONFIG_SYS_INIT_RAM_SIZE - \
305 					 GENERATED_GBL_DATA_SIZE)
306 
307 #endif				/* __CONFIG_H */
308