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