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  * Board NAND Info.
130  */
131 #define CONFIG_NAND_OMAP_GPMC
132 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
133 							/* to access nand */
134 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
135 							/* to access nand at */
136 							/* CS0 */
137 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
138 
139 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
140 							/* devices */
141 
142 #define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
143 
144 #define CONFIG_JFFS2_NAND
145 /* nand device jffs2 lives on */
146 #define CONFIG_JFFS2_DEV		"nand0"
147 /* start of jffs2 partition */
148 #define CONFIG_JFFS2_PART_OFFSET	0x680000
149 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* size of jffs2 */
150 							/* partition */
151 
152 /* Environment information */
153 #define CONFIG_BOOTDELAY		10
154 
155 #define CONFIG_EXTRA_ENV_SETTINGS \
156 	"loadaddr=0x82000000\0" \
157 	"console=ttyS2,115200n8\0" \
158 	"videomode=1024x768@60,vxres=1024,vyres=768\0" \
159 	"videospec=omapfb:vram:2M,vram:4M\0" \
160 	"mmcargs=setenv bootargs console=${console} " \
161 		"video=${videospec},mode:${videomode} " \
162 		"root=/dev/mmcblk0p2 rw " \
163 		"rootfstype=ext3 rootwait\0" \
164 	"nandargs=setenv bootargs console=${console} " \
165 		"video=${videospec},mode:${videomode} " \
166 		"root=/dev/mtdblock4 rw " \
167 		"rootfstype=jffs2\0" \
168 	"loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
169 	"bootscript=echo Running bootscript from mmc ...; " \
170 		"source ${loadaddr}\0" \
171 	"loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
172 	"mmcboot=echo Booting from mmc ...; " \
173 		"run mmcargs; " \
174 		"bootm ${loadaddr}\0" \
175 	"nandboot=echo Booting from nand ...; " \
176 		"run nandargs; " \
177 		"nand read ${loadaddr} 280000 400000; " \
178 		"bootm ${loadaddr}\0" \
179 
180 #define CONFIG_BOOTCOMMAND \
181 	"if mmc init; then " \
182 		"if run loadbootscript; then " \
183 			"run bootscript; " \
184 		"else " \
185 			"if run loaduimage; then " \
186 				"run mmcboot; " \
187 			"else run nandboot; " \
188 			"fi; " \
189 		"fi; " \
190 	"else run nandboot; fi"
191 
192 #define CONFIG_AUTO_COMPLETE		1
193 /*
194  * Miscellaneous configurable options
195  */
196 #define V_PROMPT			"OMAP3 Zoom1# "
197 
198 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
199 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
200 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
201 #define CONFIG_SYS_PROMPT		V_PROMPT
202 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
203 /* Print Buffer Size */
204 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
205 					sizeof(CONFIG_SYS_PROMPT) + 16)
206 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
207 /* Boot Argument Buffer Size */
208 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
209 
210 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
211 								/* works on */
212 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
213 					0x01F00000) /* 31MB */
214 
215 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
216 							/* load address */
217 
218 /*
219  * OMAP3 has 12 GP timers, they can be driven by the system clock
220  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
221  * This rate is divided by a local divisor.
222  */
223 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
224 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
225 #define CONFIG_SYS_HZ			1000
226 
227 /*-----------------------------------------------------------------------
228  * Stack sizes
229  *
230  * The stack sizes are set up in start.S using the settings below
231  */
232 #define CONFIG_STACKSIZE	SZ_128K	/* regular stack */
233 #ifdef CONFIG_USE_IRQ
234 #define CONFIG_STACKSIZE_IRQ	SZ_4K	/* IRQ stack */
235 #define CONFIG_STACKSIZE_FIQ	SZ_4K	/* FIQ stack */
236 #endif
237 
238 /*-----------------------------------------------------------------------
239  * Physical Memory Map
240  */
241 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
242 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
243 #define PHYS_SDRAM_1_SIZE	SZ_32M	/* at least 32 meg */
244 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
245 
246 /* SDRAM Bank Allocation method */
247 #define SDRC_R_B_C		1
248 
249 /*-----------------------------------------------------------------------
250  * FLASH and environment organization
251  */
252 
253 /* **** PISMO SUPPORT *** */
254 
255 /* Configure the PISMO */
256 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
257 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
258 
259 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors on */
260 						/* one chip */
261 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
262 #define CONFIG_SYS_MONITOR_LEN		SZ_256K	/* Reserve 2 sectors */
263 
264 #define CONFIG_SYS_FLASH_BASE		boot_flash_base
265 
266 /* Monitor at start of flash */
267 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
268 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
269 
270 #define CONFIG_ENV_IS_IN_NAND		1
271 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
272 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
273 
274 #define CONFIG_SYS_ENV_SECT_SIZE	boot_flash_sec
275 #define CONFIG_ENV_OFFSET		boot_flash_off
276 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
277 
278 /*-----------------------------------------------------------------------
279  * CFI FLASH driver setup
280  */
281 /* timeout values are in ticks */
282 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
283 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
284 
285 /* Flash banks JFFS2 should use */
286 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
287 					CONFIG_SYS_MAX_NAND_DEVICE)
288 #define CONFIG_SYS_JFFS2_MEM_NAND
289 /* use flash_info[2] */
290 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
291 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
292 
293 #ifndef __ASSEMBLY__
294 extern gpmc_csx_t *nand_cs_base;
295 extern gpmc_t *gpmc_cfg_base;
296 extern unsigned int boot_flash_base;
297 extern volatile unsigned int boot_flash_env_addr;
298 extern unsigned int boot_flash_off;
299 extern unsigned int boot_flash_sec;
300 extern unsigned int boot_flash_type;
301 #endif
302 
303 #endif				/* __CONFIG_H */
304