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_ARMCORTEXA8	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 #include <asm/arch/cpu.h>		/* get chip and board defs */
41 #include <asm/arch/omap3.h>
42 
43 /*
44  * Display CPU and Board information
45  */
46 #define CONFIG_DISPLAY_CPUINFO		1
47 #define CONFIG_DISPLAY_BOARDINFO	1
48 
49 /* Clock Defines */
50 #define V_OSCK			26000000	/* Clock output from T2 */
51 #define V_SCLK			(V_OSCK >> 1)
52 
53 #undef CONFIG_USE_IRQ				/* no support for IRQs */
54 #define CONFIG_MISC_INIT_R
55 
56 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
57 #define CONFIG_SETUP_MEMORY_TAGS	1
58 #define CONFIG_INITRD_TAG		1
59 #define CONFIG_REVISION_TAG		1
60 
61 /*
62  * Size of malloc() pool
63  */
64 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
65 						/* Sector */
66 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
67 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for */
68 						/* initial data */
69 
70 /*
71  * Hardware drivers
72  */
73 
74 /*
75  * NS16550 Configuration
76  */
77 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
78 
79 #define CONFIG_SYS_NS16550
80 #define CONFIG_SYS_NS16550_SERIAL
81 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
82 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
83 
84 /*
85  * select serial console configuration
86  */
87 #define CONFIG_CONS_INDEX		3
88 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
89 #define CONFIG_SERIAL3			3	/* UART3 on Beagle Rev 2 */
90 
91 /* allow to overwrite serial and ethaddr */
92 #define CONFIG_ENV_OVERWRITE
93 #define CONFIG_BAUDRATE			115200
94 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
95 					115200}
96 #define CONFIG_MMC			1
97 #define CONFIG_OMAP3_MMC		1
98 #define CONFIG_DOS_PARTITION		1
99 
100 /* DDR - I use Micron DDR */
101 #define CONFIG_OMAP3_MICRON_DDR		1
102 
103 /* commands to include */
104 #include <config_cmd_default.h>
105 
106 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
107 #define CONFIG_CMD_FAT		/* FAT support			*/
108 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
109 #define CONFIG_CMD_MTDPARTS	/* Enable MTD parts commands */
110 #define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
111 #define MTDIDS_DEFAULT			"nand0=nand"
112 #define MTDPARTS_DEFAULT		"mtdparts=nand:512k(x-loader),"\
113 					"1920k(u-boot),128k(u-boot-env),"\
114 					"4m(kernel),-(fs)"
115 
116 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
117 #define CONFIG_CMD_MMC		/* MMC support			*/
118 #define CONFIG_CMD_NAND		/* NAND support			*/
119 
120 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
121 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
122 #undef CONFIG_CMD_IMI		/* iminfo			*/
123 #undef CONFIG_CMD_IMLS		/* List all found images	*/
124 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
125 #undef CONFIG_CMD_NFS		/* NFS support			*/
126 
127 #define CONFIG_SYS_NO_FLASH
128 #define CONFIG_HARD_I2C			1
129 #define CONFIG_SYS_I2C_SPEED		100000
130 #define CONFIG_SYS_I2C_SLAVE		1
131 #define CONFIG_SYS_I2C_BUS		0
132 #define CONFIG_SYS_I2C_BUS_SELECT	1
133 #define CONFIG_DRIVER_OMAP34XX_I2C	1
134 
135 /*
136  * TWL4030
137  */
138 #define CONFIG_TWL4030_POWER		1
139 #define CONFIG_TWL4030_LED		1
140 
141 /*
142  * Board NAND Info.
143  */
144 #define CONFIG_NAND_OMAP_GPMC
145 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
146 							/* to access nand */
147 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
148 							/* to access nand at */
149 							/* CS0 */
150 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
151 
152 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
153 							/* devices */
154 #define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
155 
156 #define CONFIG_JFFS2_NAND
157 /* nand device jffs2 lives on */
158 #define CONFIG_JFFS2_DEV		"nand0"
159 /* start of jffs2 partition */
160 #define CONFIG_JFFS2_PART_OFFSET	0x680000
161 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
162 							/* partition */
163 
164 /* Environment information */
165 #define CONFIG_BOOTDELAY		10
166 
167 #define CONFIG_EXTRA_ENV_SETTINGS \
168 	"loadaddr=0x82000000\0" \
169 	"console=ttyS2,115200n8\0" \
170 	"vram=12M\0" \
171 	"dvimode=1024x768MR-16@60\0" \
172 	"defaultdisplay=dvi\0" \
173 	"mmcroot=/dev/mmcblk0p2 rw\0" \
174 	"mmcrootfstype=ext3 rootwait\0" \
175 	"nandroot=/dev/mtdblock4 rw\0" \
176 	"nandrootfstype=jffs2\0" \
177 	"mmcargs=setenv bootargs console=${console} " \
178 		"vram=${vram} " \
179 		"omapfb.mode=dvi:${dvimode} " \
180 		"omapfb.debug=y " \
181 		"omapdss.def_disp=${defaultdisplay} " \
182 		"root=${mmcroot} " \
183 		"rootfstype=${mmcrootfstype}\0" \
184 	"nandargs=setenv bootargs console=${console} " \
185 		"vram=${vram} " \
186 		"omapfb.mode=dvi:${dvimode} " \
187 		"omapfb.debug=y " \
188 		"omapdss.def_disp=${defaultdisplay} " \
189 		"root=${nandroot} " \
190 		"rootfstype=${nandrootfstype}\0" \
191 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
192 	"bootscript=echo Running bootscript from mmc ...; " \
193 		"source ${loadaddr}\0" \
194 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
195 	"mmcboot=echo Booting from mmc ...; " \
196 		"run mmcargs; " \
197 		"bootm ${loadaddr}\0" \
198 	"nandboot=echo Booting from nand ...; " \
199 		"run nandargs; " \
200 		"nand read ${loadaddr} 280000 400000; " \
201 		"bootm ${loadaddr}\0" \
202 
203 #define CONFIG_BOOTCOMMAND \
204 	"if mmc init; then " \
205 		"if run loadbootscript; then " \
206 			"run bootscript; " \
207 		"else " \
208 			"if run loaduimage; then " \
209 				"run mmcboot; " \
210 			"else run nandboot; " \
211 			"fi; " \
212 		"fi; " \
213 	"else run nandboot; fi"
214 
215 #define CONFIG_AUTO_COMPLETE		1
216 /*
217  * Miscellaneous configurable options
218  */
219 #define V_PROMPT			"OMAP3 beagleboard.org # "
220 
221 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
222 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
223 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
224 #define CONFIG_SYS_PROMPT		V_PROMPT
225 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
226 /* Print Buffer Size */
227 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
228 					sizeof(CONFIG_SYS_PROMPT) + 16)
229 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
230 /* Boot Argument Buffer Size */
231 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
232 
233 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
234 								/* works on */
235 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
236 					0x01F00000) /* 31MB */
237 
238 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
239 							/* load address */
240 
241 /*
242  * OMAP3 has 12 GP timers, they can be driven by the system clock
243  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
244  * This rate is divided by a local divisor.
245  */
246 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
247 #define CONFIG_SYS_PTV			2       /* Divisor: 2^(PTV+1) => 8 */
248 #define CONFIG_SYS_HZ			1000
249 
250 /*-----------------------------------------------------------------------
251  * Stack sizes
252  *
253  * The stack sizes are set up in start.S using the settings below
254  */
255 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
256 #ifdef CONFIG_USE_IRQ
257 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack 4 KiB */
258 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack 4 KiB */
259 #endif
260 
261 /*-----------------------------------------------------------------------
262  * Physical Memory Map
263  */
264 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
265 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
266 #define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
267 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
268 
269 /* SDRAM Bank Allocation method */
270 #define SDRC_R_B_C		1
271 
272 /*-----------------------------------------------------------------------
273  * FLASH and environment organization
274  */
275 
276 /* **** PISMO SUPPORT *** */
277 
278 /* Configure the PISMO */
279 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
280 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
281 
282 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors on */
283 						/* one chip */
284 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
285 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
286 
287 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
288 
289 /* Monitor at start of flash */
290 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
291 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
292 
293 #define CONFIG_ENV_IS_IN_NAND		1
294 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
295 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
296 
297 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
298 #define CONFIG_ENV_OFFSET		boot_flash_off
299 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
300 
301 /*-----------------------------------------------------------------------
302  * CFI FLASH driver setup
303  */
304 /* timeout values are in ticks */
305 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
306 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
307 
308 /* Flash banks JFFS2 should use */
309 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
310 					CONFIG_SYS_MAX_NAND_DEVICE)
311 #define CONFIG_SYS_JFFS2_MEM_NAND
312 /* use flash_info[2] */
313 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
314 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
315 
316 #ifndef __ASSEMBLY__
317 extern struct gpmc *gpmc_cfg;
318 extern unsigned int boot_flash_base;
319 extern volatile unsigned int boot_flash_env_addr;
320 extern unsigned int boot_flash_off;
321 extern unsigned int boot_flash_sec;
322 extern unsigned int boot_flash_type;
323 #endif
324 
325 #endif /* __CONFIG_H */
326