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 
32 /*
33  * High Level Configuration Options
34  */
35 #define CONFIG_ARMCORTEXA8	1	/* This is an ARM V7 CPU core */
36 #define CONFIG_OMAP		1	/* in a TI OMAP core */
37 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
38 #define CONFIG_OMAP3430		1	/* which is in a 3430 */
39 #define CONFIG_OMAP3_ZOOM1	1	/* working with Zoom MDK Rev1 */
40 
41 #include <asm/arch/cpu.h>		/* get chip and board defs */
42 #include <asm/arch/omap3.h>
43 
44 /*
45  * Display CPU and Board information
46  */
47 #define CONFIG_DISPLAY_CPUINFO		1
48 #define CONFIG_DISPLAY_BOARDINFO	1
49 
50 /* Clock Defines */
51 #define V_OSCK			26000000	/* Clock output from T2 */
52 #define V_SCLK			(V_OSCK >> 1)
53 
54 #undef CONFIG_USE_IRQ				/* no support for IRQs */
55 #define CONFIG_MISC_INIT_R
56 
57 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
58 #define CONFIG_SETUP_MEMORY_TAGS	1
59 #define CONFIG_INITRD_TAG		1
60 #define CONFIG_REVISION_TAG		1
61 
62 /*
63  * Size of malloc() pool
64  */
65 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
66 						/* Sector */
67 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
68 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for */
69 						/* initial data */
70 
71 /*
72  * Hardware drivers
73  */
74 
75 /*
76  * NS16550 Configuration
77  */
78 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
79 
80 #define CONFIG_SYS_NS16550
81 #define CONFIG_SYS_NS16550_SERIAL
82 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
83 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
84 
85 /*
86  * select serial console configuration
87  */
88 #define CONFIG_CONS_INDEX		3
89 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
90 #define CONFIG_SERIAL3			3	/* UART3 */
91 
92 /* allow to overwrite serial and ethaddr */
93 #define CONFIG_ENV_OVERWRITE
94 #define CONFIG_BAUDRATE			115200
95 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
96 					115200}
97 #define CONFIG_MMC			1
98 #define CONFIG_OMAP3_MMC		1
99 #define CONFIG_DOS_PARTITION		1
100 
101 /* DDR - I use Micron DDR */
102 #define CONFIG_OMAP3_MICRON_DDR		1
103 
104 /* commands to include */
105 #include <config_cmd_default.h>
106 
107 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
108 #define CONFIG_CMD_FAT		/* FAT support			*/
109 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
110 
111 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
112 #define CONFIG_CMD_MMC		/* MMC support			*/
113 #define CONFIG_CMD_NAND		/* NAND support			*/
114 #define CONFIG_CMD_NAND_LOCK_UNLOCK /* Enable lock/unlock support */
115 
116 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
117 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
118 #undef CONFIG_CMD_IMI		/* iminfo			*/
119 #undef CONFIG_CMD_IMLS		/* List all found images	*/
120 #undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
121 #undef CONFIG_CMD_NFS		/* NFS support			*/
122 
123 #define CONFIG_SYS_NO_FLASH
124 #define CONFIG_HARD_I2C			1
125 #define CONFIG_SYS_I2C_SPEED		100000
126 #define CONFIG_SYS_I2C_SLAVE		1
127 #define CONFIG_SYS_I2C_BUS		0
128 #define CONFIG_SYS_I2C_BUS_SELECT	1
129 #define CONFIG_DRIVER_OMAP34XX_I2C	1
130 
131 /*
132  * TWL4030
133  */
134 #define CONFIG_TWL4030_POWER		1
135 #define CONFIG_TWL4030_LED		1
136 
137 /*
138  * Board NAND Info.
139  */
140 #define CONFIG_NAND_OMAP_GPMC
141 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
142 							/* to access nand */
143 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
144 							/* to access nand at */
145 							/* CS0 */
146 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
147 
148 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
149 							/* devices */
150 
151 #define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
152 
153 #define CONFIG_JFFS2_NAND
154 /* nand device jffs2 lives on */
155 #define CONFIG_JFFS2_DEV		"nand0"
156 /* start of jffs2 partition */
157 #define CONFIG_JFFS2_PART_OFFSET	0x680000
158 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
159 							/* partition */
160 
161 /* Environment information */
162 #define CONFIG_BOOTDELAY		10
163 
164 #define CONFIG_EXTRA_ENV_SETTINGS \
165 	"loadaddr=0x82000000\0" \
166 	"console=ttyS2,115200n8\0" \
167 	"videomode=1024x768@60,vxres=1024,vyres=768\0" \
168 	"videospec=omapfb:vram:2M,vram:4M\0" \
169 	"mmcargs=setenv bootargs console=${console} " \
170 		"video=${videospec},mode:${videomode} " \
171 		"root=/dev/mmcblk0p2 rw " \
172 		"rootfstype=ext3 rootwait\0" \
173 	"nandargs=setenv bootargs console=${console} " \
174 		"video=${videospec},mode:${videomode} " \
175 		"root=/dev/mtdblock4 rw " \
176 		"rootfstype=jffs2\0" \
177 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
178 	"bootscript=echo Running bootscript from mmc ...; " \
179 		"source ${loadaddr}\0" \
180 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
181 	"mmcboot=echo Booting from mmc ...; " \
182 		"run mmcargs; " \
183 		"bootm ${loadaddr}\0" \
184 	"nandboot=echo Booting from nand ...; " \
185 		"run nandargs; " \
186 		"nand read ${loadaddr} 280000 400000; " \
187 		"bootm ${loadaddr}\0" \
188 
189 #define CONFIG_BOOTCOMMAND \
190 	"if mmc init; then " \
191 		"if run loadbootscript; then " \
192 			"run bootscript; " \
193 		"else " \
194 			"if run loaduimage; then " \
195 				"run mmcboot; " \
196 			"else run nandboot; " \
197 			"fi; " \
198 		"fi; " \
199 	"else run nandboot; fi"
200 
201 #define CONFIG_AUTO_COMPLETE		1
202 /*
203  * Miscellaneous configurable options
204  */
205 #define V_PROMPT			"OMAP3 Zoom1# "
206 
207 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
208 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
209 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
210 #define CONFIG_SYS_PROMPT		V_PROMPT
211 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
212 /* Print Buffer Size */
213 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
214 					sizeof(CONFIG_SYS_PROMPT) + 16)
215 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
216 /* Boot Argument Buffer Size */
217 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
218 
219 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
220 								/* works on */
221 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
222 					0x01F00000) /* 31MB */
223 
224 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
225 							/* load address */
226 
227 /*
228  * OMAP3 has 12 GP timers, they can be driven by the system clock
229  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
230  * This rate is divided by a local divisor.
231  */
232 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
233 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
234 #define CONFIG_SYS_HZ			1000
235 
236 /*-----------------------------------------------------------------------
237  * Stack sizes
238  *
239  * The stack sizes are set up in start.S using the settings below
240  */
241 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
242 #ifdef CONFIG_USE_IRQ
243 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack 4 KiB */
244 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack 4 KiB */
245 #endif
246 
247 /*-----------------------------------------------------------------------
248  * Physical Memory Map
249  */
250 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
251 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
252 #define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
253 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
254 
255 /* SDRAM Bank Allocation method */
256 #define SDRC_R_B_C		1
257 
258 /*-----------------------------------------------------------------------
259  * FLASH and environment organization
260  */
261 
262 /* **** PISMO SUPPORT *** */
263 
264 /* Configure the PISMO */
265 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
266 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
267 
268 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors on */
269 						/* one chip */
270 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
271 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
272 
273 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
274 
275 /* Monitor at start of flash */
276 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
277 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
278 
279 #define CONFIG_ENV_IS_IN_NAND		1
280 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
281 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
282 
283 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
284 #define CONFIG_ENV_OFFSET		boot_flash_off
285 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
286 
287 /*-----------------------------------------------------------------------
288  * CFI FLASH driver setup
289  */
290 /* timeout values are in ticks */
291 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
292 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
293 
294 /* Flash banks JFFS2 should use */
295 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
296 					CONFIG_SYS_MAX_NAND_DEVICE)
297 #define CONFIG_SYS_JFFS2_MEM_NAND
298 /* use flash_info[2] */
299 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
300 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
301 
302 #ifndef __ASSEMBLY__
303 extern struct gpmc *gpmc_cfg;
304 extern unsigned int boot_flash_base;
305 extern volatile unsigned int boot_flash_env_addr;
306 extern unsigned int boot_flash_off;
307 extern unsigned int boot_flash_sec;
308 extern unsigned int boot_flash_type;
309 #endif
310 
311 #endif				/* __CONFIG_H */
312