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_SYS_CS0_SIZE		(256 * 1024 * 1024)
68 
69 /*
70  * Hardware drivers
71  */
72 
73 /*
74  * NS16550 Configuration
75  */
76 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
77 
78 #define CONFIG_SYS_NS16550
79 #define CONFIG_SYS_NS16550_SERIAL
80 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
81 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
82 
83 /*
84  * select serial console configuration
85  */
86 #define CONFIG_CONS_INDEX		3
87 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
88 #define CONFIG_SERIAL3			3	/* UART3 on CRANEBOARD */
89 
90 /* allow to overwrite serial and ethaddr */
91 #define CONFIG_ENV_OVERWRITE
92 #define CONFIG_BAUDRATE			115200
93 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
94 					115200}
95 #define CONFIG_GENERIC_MMC		1
96 #define CONFIG_MMC			1
97 #define CONFIG_OMAP_HSMMC		1
98 #define CONFIG_DOS_PARTITION		1
99 
100 /*
101  * USB configuration
102  * Enable CONFIG_MUSB_HCD for Host functionalities MSC, keyboard
103  * Enable CONFIG_MUSB_UDC for Device functionalities.
104  */
105 #define CONFIG_USB_AM35X		1
106 #define CONFIG_MUSB_HCD			1
107 
108 #ifdef CONFIG_USB_AM35X
109 
110 #ifdef CONFIG_MUSB_HCD
111 #define CONFIG_CMD_USB
112 
113 #define CONFIG_USB_STORAGE
114 #define CONGIG_CMD_STORAGE
115 #define CONFIG_CMD_FAT
116 
117 #ifdef CONFIG_USB_KEYBOARD
118 #define CONFIG_SYS_USB_EVENT_POLL
119 #define CONFIG_PREBOOT "usb start"
120 #endif /* CONFIG_USB_KEYBOARD */
121 
122 #endif /* CONFIG_MUSB_HCD */
123 
124 #ifdef CONFIG_MUSB_UDC
125 /* USB device configuration */
126 #define CONFIG_USB_DEVICE		1
127 #define CONFIG_USB_TTY			1
128 #define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
129 /* Change these to suit your needs */
130 #define CONFIG_USBD_VENDORID		0x0451
131 #define CONFIG_USBD_PRODUCTID		0x5678
132 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
133 #define CONFIG_USBD_PRODUCT_NAME	"AM3517CRANE"
134 #endif /* CONFIG_MUSB_UDC */
135 
136 #endif /* CONFIG_USB_AM35X */
137 
138 /* commands to include */
139 #include <config_cmd_default.h>
140 
141 #define CONFIG_CMD_EXT2		/* EXT2 Support			*/
142 #define CONFIG_CMD_FAT		/* FAT support			*/
143 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
144 
145 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
146 #define CONFIG_CMD_MMC		/* MMC support			*/
147 #define CONFIG_CMD_NAND		/* NAND support			*/
148 #define CONFIG_CMD_DHCP
149 #undef CONFIG_CMD_PING
150 
151 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
152 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
153 #undef CONFIG_CMD_IMI		/* iminfo			*/
154 #undef CONFIG_CMD_IMLS		/* List all found images	*/
155 
156 #define CONFIG_SYS_NO_FLASH
157 #define CONFIG_HARD_I2C			1
158 #define CONFIG_SYS_I2C_SPEED		100000
159 #define CONFIG_SYS_I2C_SLAVE		1
160 #define CONFIG_SYS_I2C_BUS		0
161 #define CONFIG_SYS_I2C_BUS_SELECT	1
162 #define CONFIG_DRIVER_OMAP34XX_I2C	1
163 
164 #undef CONFIG_CMD_NET
165 #undef CONFIG_CMD_NFS
166 /*
167  * Board NAND Info.
168  */
169 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
170 							/* to access nand */
171 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
172 							/* to access */
173 							/* nand at CS0 */
174 
175 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
176 							/* NAND devices */
177 
178 #define CONFIG_JFFS2_NAND
179 /* nand device jffs2 lives on */
180 #define CONFIG_JFFS2_DEV		"nand0"
181 /* start of jffs2 partition */
182 #define CONFIG_JFFS2_PART_OFFSET	0x680000
183 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* sz of jffs2 part */
184 
185 /* Environment information */
186 #define CONFIG_BOOTDELAY	10
187 
188 #define CONFIG_BOOTFILE		"uImage"
189 
190 #define CONFIG_EXTRA_ENV_SETTINGS \
191 	"loadaddr=0x82000000\0" \
192 	"console=ttyS2,115200n8\0" \
193 	"mmcdev=0\0" \
194 	"mmcargs=setenv bootargs console=${console} " \
195 		"root=/dev/mmcblk0p2 rw " \
196 		"rootfstype=ext3 rootwait\0" \
197 	"nandargs=setenv bootargs console=${console} " \
198 		"root=/dev/mtdblock4 rw " \
199 		"rootfstype=jffs2\0" \
200 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
201 	"bootscript=echo Running bootscript from mmc ...; " \
202 		"source ${loadaddr}\0" \
203 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
204 	"mmcboot=echo Booting from mmc ...; " \
205 		"run mmcargs; " \
206 		"bootm ${loadaddr}\0" \
207 	"nandboot=echo Booting from nand ...; " \
208 		"run nandargs; " \
209 		"nand read ${loadaddr} 280000 400000; " \
210 		"bootm ${loadaddr}\0" \
211 
212 #define CONFIG_BOOTCOMMAND \
213 	"if mmc rescan ${mmcdev}; then " \
214 		"if run loadbootscript; then " \
215 			"run bootscript; " \
216 		"else " \
217 			"if run loaduimage; then " \
218 				"run mmcboot; " \
219 			"else run nandboot; " \
220 			"fi; " \
221 		"fi; " \
222 	"else run nandboot; fi"
223 
224 #define CONFIG_AUTO_COMPLETE	1
225 /*
226  * Miscellaneous configurable options
227  */
228 #define V_PROMPT			"AM3517_CRANE # "
229 
230 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
231 #define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
232 #define CONFIG_SYS_PROMPT		V_PROMPT
233 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
234 /* Print Buffer Size */
235 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
236 					sizeof(CONFIG_SYS_PROMPT) + 16)
237 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
238 						/* args */
239 /* Boot Argument Buffer Size */
240 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
241 /* memtest works on */
242 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
243 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
244 					0x01F00000) /* 31MB */
245 
246 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
247 								/* address */
248 
249 /*
250  * AM3517 has 12 GP timers, they can be driven by the system clock
251  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
252  * This rate is divided by a local divisor.
253  */
254 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
255 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
256 #define CONFIG_SYS_HZ			1000
257 
258 /*-----------------------------------------------------------------------
259  * Stack sizes
260  *
261  * The stack sizes are set up in start.S using the settings below
262  */
263 #define CONFIG_STACKSIZE	(128 << 10)	/* regular stack 128 KiB */
264 
265 /*-----------------------------------------------------------------------
266  * Physical Memory Map
267  */
268 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
269 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
270 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
271 
272 /*-----------------------------------------------------------------------
273  * FLASH and environment organization
274  */
275 
276 /* **** PISMO SUPPORT *** */
277 
278 /* Configure the PISMO */
279 #define PISMO1_NAND_SIZE		GPMC_SIZE_128M
280 #define PISMO1_ONEN_SIZE		GPMC_SIZE_128M
281 
282 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
283 						/* on one chip */
284 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
285 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
286 
287 #define CONFIG_SYS_FLASH_BASE		PISMO1_NAND_BASE
288 
289 /* Monitor at start of flash */
290 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
291 
292 #define CONFIG_NAND_OMAP_GPMC
293 #define GPMC_NAND_ECC_LP_x16_LAYOUT	1
294 #define CONFIG_ENV_IS_IN_NAND		1
295 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
296 
297 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB sector */
298 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
299 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
300 
301 /*-----------------------------------------------------------------------
302  * CFI FLASH driver setup
303  */
304 /* timeout values are in ticks */
305 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
306 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
307 
308 /* Flash banks JFFS2 should use */
309 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
310 					CONFIG_SYS_MAX_NAND_DEVICE)
311 #define CONFIG_SYS_JFFS2_MEM_NAND
312 /* use flash_info[2] */
313 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
314 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
315 
316 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
317 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
318 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
319 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
320 					 CONFIG_SYS_INIT_RAM_SIZE - \
321 					 GENERATED_GBL_DATA_SIZE)
322 
323 /* Defines for SPL */
324 #define CONFIG_SPL
325 #define CONFIG_SPL_NAND_SIMPLE
326 #define CONFIG_SPL_TEXT_BASE		0x40200800
327 #define CONFIG_SPL_MAX_SIZE		(54 * 1024)	/* 8 KB for stack */
328 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
329 
330 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
331 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
332 
333 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
334 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x200 /* 256 KB */
335 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION	1
336 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME	"u-boot.img"
337 
338 #define CONFIG_SPL_LIBCOMMON_SUPPORT
339 #define CONFIG_SPL_LIBDISK_SUPPORT
340 #define CONFIG_SPL_I2C_SUPPORT
341 #define CONFIG_SPL_LIBGENERIC_SUPPORT
342 #define CONFIG_SPL_MMC_SUPPORT
343 #define CONFIG_SPL_FAT_SUPPORT
344 #define CONFIG_SPL_SERIAL_SUPPORT
345 #define CONFIG_SPL_NAND_SUPPORT
346 #define CONFIG_SPL_POWER_SUPPORT
347 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
348 
349 /* NAND boot config */
350 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
351 #define CONFIG_SYS_NAND_PAGE_COUNT	64
352 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
353 #define CONFIG_SYS_NAND_OOBSIZE		64
354 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
355 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
356 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
357 						10, 11, 12, 13}
358 #define CONFIG_SYS_NAND_ECCSIZE		512
359 #define CONFIG_SYS_NAND_ECCBYTES	3
360 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
361 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
362 
363 /*
364  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
365  * 64 bytes before this address should be set aside for u-boot.img's
366  * header. That is 0x800FFFC0--0x80100000 should not be used for any
367  * other needs.
368  */
369 #define CONFIG_SYS_TEXT_BASE		0x80100000
370 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
371 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
372 
373 #endif /* __CONFIG_H */
374