1 /*
2  * (C) Copyright 2006-2008
3  * Texas Instruments.
4  * Richard Woodruff <r-woodruff2@ti.com>
5  * Syed Mohammed Khasim <x0khasim@ti.com>
6  *
7  * Configuration settings for the TI OMAP3530 Beagle board.
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  */
27 
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30 
31 /*
32  * High Level Configuration Options
33  */
34 #define CONFIG_ARMV7		1	/* This is an ARM V7 CPU core */
35 #define CONFIG_OMAP		1	/* in a TI OMAP core */
36 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
37 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
38 #define CONFIG_OMAP3_BEAGLE	1	/* working with BEAGLE */
39 
40 #define CONFIG_SDRC	/* The chip has SDRC controller */
41 
42 #include <asm/arch/cpu.h>		/* get chip and board defs */
43 #include <asm/arch/omap3.h>
44 
45 /*
46  * Display CPU and Board information
47  */
48 #define CONFIG_DISPLAY_CPUINFO		1
49 #define CONFIG_DISPLAY_BOARDINFO	1
50 
51 /* Clock Defines */
52 #define V_OSCK			26000000	/* Clock output from T2 */
53 #define V_SCLK			(V_OSCK >> 1)
54 
55 #undef CONFIG_USE_IRQ				/* no support for IRQs */
56 #define CONFIG_MISC_INIT_R
57 
58 #define CONFIG_OF_LIBFDT		1
59 /*
60  * The early kernel mapping on ARM currently only maps from the base of DRAM
61  * to the end of the kernel image.  The kernel is loaded at DRAM base + 0x8000.
62  * The early kernel pagetable uses DRAM base + 0x4000 to DRAM base + 0x8000,
63  * so that leaves DRAM base to DRAM base + 0x4000 available.
64  */
65 #define CONFIG_SYS_BOOTMAPSZ	        0x4000
66 
67 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
68 #define CONFIG_SETUP_MEMORY_TAGS	1
69 #define CONFIG_INITRD_TAG		1
70 #define CONFIG_REVISION_TAG		1
71 
72 /*
73  * Size of malloc() pool
74  */
75 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
76 						/* Sector */
77 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
78 						/* initial data */
79 
80 /*
81  * Hardware drivers
82  */
83 
84 /*
85  * NS16550 Configuration
86  */
87 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
88 
89 #define CONFIG_SYS_NS16550
90 #define CONFIG_SYS_NS16550_SERIAL
91 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
92 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
93 
94 /*
95  * select serial console configuration
96  */
97 #define CONFIG_CONS_INDEX		3
98 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
99 #define CONFIG_SERIAL3			3	/* UART3 on Beagle Rev 2 */
100 
101 /* allow to overwrite serial and ethaddr */
102 #define CONFIG_ENV_OVERWRITE
103 #define CONFIG_BAUDRATE			115200
104 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
105 					115200}
106 #define CONFIG_GENERIC_MMC		1
107 #define CONFIG_MMC			1
108 #define CONFIG_OMAP_HSMMC		1
109 #define CONFIG_DOS_PARTITION		1
110 
111 /* DDR - I use Micron DDR */
112 #define CONFIG_OMAP3_MICRON_DDR		1
113 
114 /* USB */
115 #define CONFIG_MUSB_UDC			1
116 #define CONFIG_USB_OMAP3		1
117 #define CONFIG_TWL4030_USB		1
118 
119 /* USB device configuration */
120 #define CONFIG_USB_DEVICE		1
121 #define CONFIG_USB_TTY			1
122 #define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
123 
124 /* commands to include */
125 #include <config_cmd_default.h>
126 
127 #define CONFIG_CMD_CACHE
128 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
129 #define CONFIG_CMD_FAT		/* FAT support			*/
130 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
131 #define CONFIG_CMD_MTDPARTS	/* Enable MTD parts commands */
132 #define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
133 #define MTDIDS_DEFAULT			"nand0=nand"
134 #define MTDPARTS_DEFAULT		"mtdparts=nand:512k(x-loader),"\
135 					"1920k(u-boot),128k(u-boot-env),"\
136 					"4m(kernel),-(fs)"
137 
138 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
139 #define CONFIG_CMD_MMC		/* MMC support			*/
140 #define CONFIG_CMD_NAND		/* NAND support			*/
141 
142 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
143 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
144 #undef CONFIG_CMD_IMI		/* iminfo			*/
145 #undef CONFIG_CMD_IMLS		/* List all found images	*/
146 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
147 #undef CONFIG_CMD_NFS		/* NFS support			*/
148 
149 #define CONFIG_SYS_NO_FLASH
150 #define CONFIG_HARD_I2C			1
151 #define CONFIG_SYS_I2C_SPEED		100000
152 #define CONFIG_SYS_I2C_SLAVE		1
153 #define CONFIG_SYS_I2C_BUS		0
154 #define CONFIG_SYS_I2C_BUS_SELECT	1
155 #define CONFIG_I2C_MULTI_BUS		1
156 #define CONFIG_DRIVER_OMAP34XX_I2C	1
157 
158 /*
159  * TWL4030
160  */
161 #define CONFIG_TWL4030_POWER		1
162 #define CONFIG_TWL4030_LED		1
163 
164 /*
165  * Board NAND Info.
166  */
167 #define CONFIG_SYS_NAND_QUIET_TEST	1
168 #define CONFIG_NAND_OMAP_GPMC
169 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
170 							/* to access nand */
171 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
172 							/* to access nand at */
173 							/* CS0 */
174 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
175 
176 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
177 							/* devices */
178 #define CONFIG_JFFS2_NAND
179 /* nand device jffs2 lives on */
180 #define CONFIG_JFFS2_DEV		"nand0"
181 /* start of jffs2 partition */
182 #define CONFIG_JFFS2_PART_OFFSET	0x680000
183 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
184 							/* partition */
185 
186 /* Environment information */
187 #define CONFIG_BOOTDELAY		10
188 
189 #define CONFIG_EXTRA_ENV_SETTINGS \
190 	"loadaddr=0x82000000\0" \
191 	"usbtty=cdc_acm\0" \
192 	"console=ttyS2,115200n8\0" \
193 	"mpurate=500\0" \
194 	"vram=12M\0" \
195 	"dvimode=1024x768MR-16@60\0" \
196 	"defaultdisplay=dvi\0" \
197 	"mmcdev=0\0" \
198 	"mmcroot=/dev/mmcblk0p2 rw\0" \
199 	"mmcrootfstype=ext3 rootwait\0" \
200 	"nandroot=/dev/mtdblock4 rw\0" \
201 	"nandrootfstype=jffs2\0" \
202 	"mmcargs=setenv bootargs console=${console} " \
203 		"mpurate=${mpurate} " \
204 		"vram=${vram} " \
205 		"omapfb.mode=dvi:${dvimode} " \
206 		"omapfb.debug=y " \
207 		"omapdss.def_disp=${defaultdisplay} " \
208 		"root=${mmcroot} " \
209 		"rootfstype=${mmcrootfstype}\0" \
210 	"nandargs=setenv bootargs console=${console} " \
211 		"mpurate=${mpurate} " \
212 		"vram=${vram} " \
213 		"omapfb.mode=dvi:${dvimode} " \
214 		"omapfb.debug=y " \
215 		"omapdss.def_disp=${defaultdisplay} " \
216 		"root=${nandroot} " \
217 		"rootfstype=${nandrootfstype}\0" \
218 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
219 	"bootscript=echo Running bootscript from mmc ...; " \
220 		"source ${loadaddr}\0" \
221 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
222 	"mmcboot=echo Booting from mmc ...; " \
223 		"run mmcargs; " \
224 		"bootm ${loadaddr}\0" \
225 	"nandboot=echo Booting from nand ...; " \
226 		"run nandargs; " \
227 		"nand read ${loadaddr} 280000 400000; " \
228 		"bootm ${loadaddr}\0" \
229 
230 #define CONFIG_BOOTCOMMAND \
231 	"if mmc rescan ${mmcdev}; then " \
232 		"if run loadbootscript; then " \
233 			"run bootscript; " \
234 		"else " \
235 			"if run loaduimage; then " \
236 				"run mmcboot; " \
237 			"else run nandboot; " \
238 			"fi; " \
239 		"fi; " \
240 	"else run nandboot; fi"
241 
242 #define CONFIG_AUTO_COMPLETE		1
243 /*
244  * Miscellaneous configurable options
245  */
246 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
247 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
248 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
249 #define CONFIG_SYS_PROMPT		"OMAP3 beagleboard.org # "
250 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
251 /* Print Buffer Size */
252 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
253 					sizeof(CONFIG_SYS_PROMPT) + 16)
254 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
255 /* Boot Argument Buffer Size */
256 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
257 
258 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
259 								/* works on */
260 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
261 					0x01F00000) /* 31MB */
262 
263 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
264 							/* load address */
265 
266 /*
267  * OMAP3 has 12 GP timers, they can be driven by the system clock
268  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
269  * This rate is divided by a local divisor.
270  */
271 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
272 #define CONFIG_SYS_PTV			2       /* Divisor: 2^(PTV+1) => 8 */
273 #define CONFIG_SYS_HZ			1000
274 
275 /*-----------------------------------------------------------------------
276  * Stack sizes
277  *
278  * The stack sizes are set up in start.S using the settings below
279  */
280 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
281 #ifdef CONFIG_USE_IRQ
282 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack 4 KiB */
283 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack 4 KiB */
284 #endif
285 
286 /*-----------------------------------------------------------------------
287  * Physical Memory Map
288  */
289 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
290 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
291 #define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
292 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
293 
294 /* SDRAM Bank Allocation method */
295 #define SDRC_R_B_C		1
296 
297 /*-----------------------------------------------------------------------
298  * FLASH and environment organization
299  */
300 
301 /* **** PISMO SUPPORT *** */
302 
303 /* Configure the PISMO */
304 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
305 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
306 
307 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
308 
309 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
310 
311 /* Monitor at start of flash */
312 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
313 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
314 
315 #define CONFIG_ENV_IS_IN_NAND		1
316 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
317 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
318 
319 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
320 #define CONFIG_ENV_OFFSET		boot_flash_off
321 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
322 
323 #ifndef __ASSEMBLY__
324 extern unsigned int boot_flash_base;
325 extern volatile unsigned int boot_flash_env_addr;
326 extern unsigned int boot_flash_off;
327 extern unsigned int boot_flash_sec;
328 extern unsigned int boot_flash_type;
329 #endif
330 
331 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
332 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
333 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
334 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
335 					 CONFIG_SYS_INIT_RAM_SIZE - \
336 					 GENERATED_GBL_DATA_SIZE)
337 
338 #define CONFIG_OMAP3_SPI
339 
340 #endif /* __CONFIG_H */
341