1 /*
2  * am3517_crane.h - Default configuration for AM3517 CraneBoard.
3  *
4  * Author: Srinath.R <srinath@mistralsolutions.com>
5  *
6  * Based on include/configs/am3517evm.h
7  *
8  * Copyright (C) 2011 Mistral Solutions pvt Ltd
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  */
24 
25 #ifndef __CONFIG_H
26 #define __CONFIG_H
27 
28 /*
29  * High Level Configuration Options
30  */
31 #define CONFIG_OMAP		1	/* in a TI OMAP core */
32 #define CONFIG_OMAP34XX		1	/* which is a 34XX */
33 #define CONFIG_OMAP3_AM3517CRANE	1	/* working with CRANEBOARD */
34 
35 #define CONFIG_EMIF4	/* The chip has EMIF4 controller */
36 
37 #include <asm/arch/cpu.h>		/* get chip and board defs */
38 #include <asm/arch/omap3.h>
39 
40 /*
41  * Display CPU and Board information
42  */
43 #define CONFIG_DISPLAY_CPUINFO		1
44 #define CONFIG_DISPLAY_BOARDINFO	1
45 
46 /* Clock Defines */
47 #define V_OSCK			26000000	/* Clock output from T2 */
48 #define V_SCLK			(V_OSCK >> 1)
49 
50 #undef CONFIG_USE_IRQ				/* no support for IRQs */
51 #define CONFIG_MISC_INIT_R
52 
53 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
54 #define CONFIG_SETUP_MEMORY_TAGS	1
55 #define CONFIG_INITRD_TAG		1
56 #define CONFIG_REVISION_TAG		1
57 
58 /*
59  * Size of malloc() pool
60  */
61 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
62 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
63 						/* initial data */
64 /*
65  * DDR related
66  */
67 #define CONFIG_OMAP3_MICRON_DDR		1	/* Micron DDR */
68 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
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 CRANEBOARD */
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_GENERIC_MMC		1
97 #define CONFIG_MMC			1
98 #define CONFIG_OMAP_HSMMC		1
99 #define CONFIG_DOS_PARTITION		1
100 
101 /*
102  * USB configuration
103  * Enable CONFIG_MUSB_HCD for Host functionalities MSC, keyboard
104  * Enable CONFIG_MUSB_UDC for Device functionalities.
105  */
106 #define CONFIG_USB_AM35X		1
107 #define CONFIG_MUSB_HCD			1
108 
109 #ifdef CONFIG_USB_AM35X
110 
111 #ifdef CONFIG_MUSB_HCD
112 #define CONFIG_CMD_USB
113 
114 #define CONFIG_USB_STORAGE
115 #define CONGIG_CMD_STORAGE
116 #define CONFIG_CMD_FAT
117 
118 #ifdef CONFIG_USB_KEYBOARD
119 #define CONFIG_SYS_USB_EVENT_POLL
120 #define CONFIG_PREBOOT "usb start"
121 #endif /* CONFIG_USB_KEYBOARD */
122 
123 #endif /* CONFIG_MUSB_HCD */
124 
125 #ifdef CONFIG_MUSB_UDC
126 /* USB device configuration */
127 #define CONFIG_USB_DEVICE		1
128 #define CONFIG_USB_TTY			1
129 #define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
130 /* Change these to suit your needs */
131 #define CONFIG_USBD_VENDORID		0x0451
132 #define CONFIG_USBD_PRODUCTID		0x5678
133 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
134 #define CONFIG_USBD_PRODUCT_NAME	"AM3517CRANE"
135 #endif /* CONFIG_MUSB_UDC */
136 
137 #endif /* CONFIG_USB_AM35X */
138 
139 /* commands to include */
140 #include <config_cmd_default.h>
141 
142 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
143 #define CONFIG_CMD_FAT		/* FAT support			*/
144 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
145 
146 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
147 #define CONFIG_CMD_MMC		/* MMC support			*/
148 #define CONFIG_CMD_NAND		/* NAND support			*/
149 #define CONFIG_CMD_DHCP
150 #define CONFIG_CMD_PING
151 
152 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
153 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
154 #undef CONFIG_CMD_IMI		/* iminfo			*/
155 #undef CONFIG_CMD_IMLS		/* List all found images	*/
156 
157 #define CONFIG_SYS_NO_FLASH
158 #define CONFIG_HARD_I2C			1
159 #define CONFIG_SYS_I2C_SPEED		100000
160 #define CONFIG_SYS_I2C_SLAVE		1
161 #define CONFIG_SYS_I2C_BUS		0
162 #define CONFIG_SYS_I2C_BUS_SELECT	1
163 #define CONFIG_DRIVER_OMAP34XX_I2C	1
164 
165 #undef CONFIG_CMD_NET
166 #undef CONFIG_CMD_NFS
167 /*
168  * Board NAND Info.
169  */
170 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
171 							/* to access nand */
172 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
173 							/* to access */
174 							/* nand at CS0 */
175 
176 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
177 							/* NAND devices */
178 #define CONFIG_SYS_64BIT_VSPRINTF		/* needed for nand_util.c */
179 
180 #define CONFIG_JFFS2_NAND
181 /* nand device jffs2 lives on */
182 #define CONFIG_JFFS2_DEV		"nand0"
183 /* start of jffs2 partition */
184 #define CONFIG_JFFS2_PART_OFFSET	0x680000
185 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* sz of jffs2 part */
186 
187 /* Environment information */
188 #define CONFIG_BOOTDELAY	10
189 
190 #define CONFIG_BOOTFILE		"uImage"
191 
192 #define CONFIG_EXTRA_ENV_SETTINGS \
193 	"loadaddr=0x82000000\0" \
194 	"console=ttyS2,115200n8\0" \
195 	"mmcdev=0\0" \
196 	"mmcargs=setenv bootargs console=${console} " \
197 		"root=/dev/mmcblk0p2 rw " \
198 		"rootfstype=ext3 rootwait\0" \
199 	"nandargs=setenv bootargs console=${console} " \
200 		"root=/dev/mtdblock4 rw " \
201 		"rootfstype=jffs2\0" \
202 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
203 	"bootscript=echo Running bootscript from mmc ...; " \
204 		"source ${loadaddr}\0" \
205 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
206 	"mmcboot=echo Booting from mmc ...; " \
207 		"run mmcargs; " \
208 		"bootm ${loadaddr}\0" \
209 	"nandboot=echo Booting from nand ...; " \
210 		"run nandargs; " \
211 		"nand read ${loadaddr} 280000 400000; " \
212 		"bootm ${loadaddr}\0" \
213 
214 #define CONFIG_BOOTCOMMAND \
215 	"if mmc rescan ${mmcdev}; then " \
216 		"if run loadbootscript; then " \
217 			"run bootscript; " \
218 		"else " \
219 			"if run loaduimage; then " \
220 				"run mmcboot; " \
221 			"else run nandboot; " \
222 			"fi; " \
223 		"fi; " \
224 	"else run nandboot; fi"
225 
226 #define CONFIG_AUTO_COMPLETE	1
227 /*
228  * Miscellaneous configurable options
229  */
230 #define V_PROMPT			"AM3517_CRANE # "
231 
232 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
233 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
234 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
235 #define CONFIG_SYS_PROMPT		V_PROMPT
236 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
237 /* Print Buffer Size */
238 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
239 					sizeof(CONFIG_SYS_PROMPT) + 16)
240 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
241 						/* args */
242 /* Boot Argument Buffer Size */
243 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
244 /* memtest works on */
245 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
246 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
247 					0x01F00000) /* 31MB */
248 
249 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
250 								/* address */
251 
252 /*
253  * AM3517 has 12 GP timers, they can be driven by the system clock
254  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
255  * This rate is divided by a local divisor.
256  */
257 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
258 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
259 #define CONFIG_SYS_HZ			1000
260 
261 /*-----------------------------------------------------------------------
262  * Stack sizes
263  *
264  * The stack sizes are set up in start.S using the settings below
265  */
266 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
267 #ifdef CONFIG_USE_IRQ
268 #define CONFIG_STACKSIZE_IRQ	(4 << 10)	/* IRQ stack 4 KiB */
269 #define CONFIG_STACKSIZE_FIQ	(4 << 10)	/* FIQ stack 4 KiB */
270 #endif
271 
272 /*-----------------------------------------------------------------------
273  * Physical Memory Map
274  */
275 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
276 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
277 #define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
278 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
279 
280 /* SDRAM Bank Allocation method */
281 #define SDRC_R_B_C		1
282 
283 /*-----------------------------------------------------------------------
284  * FLASH and environment organization
285  */
286 
287 /* **** PISMO SUPPORT *** */
288 
289 /* Configure the PISMO */
290 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
291 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
292 
293 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
294 						/* on one chip */
295 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
296 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
297 
298 #define CONFIG_SYS_FLASH_BASE		PISMO1_NAND_BASE
299 
300 /* Monitor at start of flash */
301 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
302 
303 #define CONFIG_NAND_OMAP_GPMC
304 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
305 #define CONFIG_ENV_IS_IN_NAND		1
306 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
307 
308 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB sector */
309 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
310 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
311 
312 /*-----------------------------------------------------------------------
313  * CFI FLASH driver setup
314  */
315 /* timeout values are in ticks */
316 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
317 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
318 
319 /* Flash banks JFFS2 should use */
320 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
321 					CONFIG_SYS_MAX_NAND_DEVICE)
322 #define CONFIG_SYS_JFFS2_MEM_NAND
323 /* use flash_info[2] */
324 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
325 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
326 
327 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
328 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
329 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
330 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
331 					 CONFIG_SYS_INIT_RAM_SIZE - \
332 					 GENERATED_GBL_DATA_SIZE)
333 #endif /* __CONFIG_H */
334