1 /*
2  * (C) Copyright 2006-2008
3  * Texas Instruments.
4  * Richard Woodruff <r-woodruff2@ti.com>
5  * Syed Mohammed Khasim <x0khasim@ti.com>
6  * Nishanth Menon <nm@ti.com>
7  *
8  * Configuration settings for the TI OMAP3430 Zoom MDK board.
9  *
10  * See file CREDITS for list of people who contributed to this
11  * project.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License as
15  * published by the Free Software Foundation; either version 2 of
16  * the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software
25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26  * MA 02111-1307 USA
27  */
28 
29 #ifndef __CONFIG_H
30 #define __CONFIG_H
31 #include <asm/sizes.h>
32 
33 /*
34  * High Level Configuration Options
35  */
36 #define CONFIG_ARMCORTEXA8	1	/* This is an ARM V7 CPU core */
37 #define CONFIG_OMAP		1	/* in a TI OMAP core */
38 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
39 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
40 #define CONFIG_OMAP3_ZOOM1	1	/* working with Zoom MDK Rev1 */
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_CMDLINE_TAG		1	/* enable passing of ATAGs */
59 #define CONFIG_SETUP_MEMORY_TAGS	1
60 #define CONFIG_INITRD_TAG		1
61 #define CONFIG_REVISION_TAG		1
62 
63 /*
64  * Size of malloc() pool
65  */
66 #define CONFIG_ENV_SIZE			SZ_128K	/* Total Size Environment */
67 						/* Sector */
68 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + SZ_128K)
69 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for */
70 						/* initial data */
71 
72 /*
73  * Hardware drivers
74  */
75 
76 /*
77  * NS16550 Configuration
78  */
79 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
80 
81 #define CONFIG_SYS_NS16550
82 #define CONFIG_SYS_NS16550_SERIAL
83 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
84 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
85 
86 /*
87  * select serial console configuration
88  */
89 #define CONFIG_CONS_INDEX		3
90 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
91 #define CONFIG_SERIAL3			3	/* UART3 */
92 
93 /* allow to overwrite serial and ethaddr */
94 #define CONFIG_ENV_OVERWRITE
95 #define CONFIG_BAUDRATE			115200
96 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
97 					115200}
98 #define CONFIG_MMC			1
99 #define CONFIG_OMAP3_MMC		1
100 #define CONFIG_DOS_PARTITION		1
101 
102 /* commands to include */
103 #include <config_cmd_default.h>
104 
105 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
106 #define CONFIG_CMD_FAT		/* FAT support			*/
107 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
108 
109 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
110 #define CONFIG_CMD_MMC		/* MMC support			*/
111 #define CONFIG_CMD_NAND		/* NAND support			*/
112 #define CONFIG_CMD_NAND_LOCK_UNLOCK /* Enable lock/unlock support */
113 
114 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
115 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
116 #undef CONFIG_CMD_IMI		/* iminfo			*/
117 #undef CONFIG_CMD_IMLS		/* List all found images	*/
118 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
119 #undef CONFIG_CMD_NFS		/* NFS support			*/
120 
121 #define CONFIG_SYS_NO_FLASH
122 #define CONFIG_SYS_I2C_SPEED		100000
123 #define CONFIG_SYS_I2C_SLAVE		1
124 #define CONFIG_SYS_I2C_BUS		0
125 #define CONFIG_SYS_I2C_BUS_SELECT	1
126 #define CONFIG_DRIVER_OMAP34XX_I2C	1
127 
128 /*
129  * TWL4030
130  */
131 #define CONFIG_TWL4030_POWER		1
132 #define CONFIG_TWL4030_LED		1
133 
134 /*
135  * Board NAND Info.
136  */
137 #define CONFIG_NAND_OMAP_GPMC
138 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
139 							/* to access nand */
140 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
141 							/* to access nand at */
142 							/* CS0 */
143 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
144 
145 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
146 							/* devices */
147 
148 #define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
149 
150 #define CONFIG_JFFS2_NAND
151 /* nand device jffs2 lives on */
152 #define CONFIG_JFFS2_DEV		"nand0"
153 /* start of jffs2 partition */
154 #define CONFIG_JFFS2_PART_OFFSET	0x680000
155 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
156 							/* partition */
157 
158 /* Environment information */
159 #define CONFIG_BOOTDELAY		10
160 
161 #define CONFIG_EXTRA_ENV_SETTINGS \
162 	"loadaddr=0x82000000\0" \
163 	"console=ttyS2,115200n8\0" \
164 	"videomode=1024x768@60,vxres=1024,vyres=768\0" \
165 	"videospec=omapfb:vram:2M,vram:4M\0" \
166 	"mmcargs=setenv bootargs console=${console} " \
167 		"video=${videospec},mode:${videomode} " \
168 		"root=/dev/mmcblk0p2 rw " \
169 		"rootfstype=ext3 rootwait\0" \
170 	"nandargs=setenv bootargs console=${console} " \
171 		"video=${videospec},mode:${videomode} " \
172 		"root=/dev/mtdblock4 rw " \
173 		"rootfstype=jffs2\0" \
174 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
175 	"bootscript=echo Running bootscript from mmc ...; " \
176 		"source ${loadaddr}\0" \
177 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
178 	"mmcboot=echo Booting from mmc ...; " \
179 		"run mmcargs; " \
180 		"bootm ${loadaddr}\0" \
181 	"nandboot=echo Booting from nand ...; " \
182 		"run nandargs; " \
183 		"nand read ${loadaddr} 280000 400000; " \
184 		"bootm ${loadaddr}\0" \
185 
186 #define CONFIG_BOOTCOMMAND \
187 	"if mmc init; then " \
188 		"if run loadbootscript; then " \
189 			"run bootscript; " \
190 		"else " \
191 			"if run loaduimage; then " \
192 				"run mmcboot; " \
193 			"else run nandboot; " \
194 			"fi; " \
195 		"fi; " \
196 	"else run nandboot; fi"
197 
198 #define CONFIG_AUTO_COMPLETE		1
199 /*
200  * Miscellaneous configurable options
201  */
202 #define V_PROMPT			"OMAP3 Zoom1# "
203 
204 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
205 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
206 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
207 #define CONFIG_SYS_PROMPT		V_PROMPT
208 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
209 /* Print Buffer Size */
210 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
211 					sizeof(CONFIG_SYS_PROMPT) + 16)
212 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
213 /* Boot Argument Buffer Size */
214 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
215 
216 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
217 								/* works on */
218 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
219 					0x01F00000) /* 31MB */
220 
221 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
222 							/* load address */
223 
224 /*
225  * OMAP3 has 12 GP timers, they can be driven by the system clock
226  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
227  * This rate is divided by a local divisor.
228  */
229 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
230 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
231 #define CONFIG_SYS_HZ			1000
232 
233 /*-----------------------------------------------------------------------
234  * Stack sizes
235  *
236  * The stack sizes are set up in start.S using the settings below
237  */
238 #define CONFIG_STACKSIZE	SZ_128K	/* regular stack */
239 #ifdef CONFIG_USE_IRQ
240 #define CONFIG_STACKSIZE_IRQ	SZ_4K	/* IRQ stack */
241 #define CONFIG_STACKSIZE_FIQ	SZ_4K	/* FIQ stack */
242 #endif
243 
244 /*-----------------------------------------------------------------------
245  * Physical Memory Map
246  */
247 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
248 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
249 #define PHYS_SDRAM_1_SIZE	SZ_32M	/* at least 32 meg */
250 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
251 
252 /* SDRAM Bank Allocation method */
253 #define SDRC_R_B_C		1
254 
255 /*-----------------------------------------------------------------------
256  * FLASH and environment organization
257  */
258 
259 /* **** PISMO SUPPORT *** */
260 
261 /* Configure the PISMO */
262 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
263 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
264 
265 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors on */
266 						/* one chip */
267 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
268 #define CONFIG_SYS_MONITOR_LEN		SZ_256K	/* Reserve 2 sectors */
269 
270 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
271 
272 /* Monitor at start of flash */
273 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
274 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
275 
276 #define CONFIG_ENV_IS_IN_NAND		1
277 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
278 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
279 
280 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
281 #define CONFIG_ENV_OFFSET		boot_flash_off
282 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
283 
284 /*-----------------------------------------------------------------------
285  * CFI FLASH driver setup
286  */
287 /* timeout values are in ticks */
288 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
289 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
290 
291 /* Flash banks JFFS2 should use */
292 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
293 					CONFIG_SYS_MAX_NAND_DEVICE)
294 #define CONFIG_SYS_JFFS2_MEM_NAND
295 /* use flash_info[2] */
296 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
297 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
298 
299 #ifndef __ASSEMBLY__
300 extern struct gpmc *gpmc_cfg;
301 extern unsigned int boot_flash_base;
302 extern volatile unsigned int boot_flash_env_addr;
303 extern unsigned int boot_flash_off;
304 extern unsigned int boot_flash_sec;
305 extern unsigned int boot_flash_type;
306 #endif
307 
308 #endif				/* __CONFIG_H */
309