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  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 
13 #ifndef __CONFIG_H
14 #define __CONFIG_H
15 
16 /*
17  * High Level Configuration Options
18  */
19 #define CONFIG_OMAP		1	/* in a TI OMAP core */
20 #define CONFIG_OMAP3_AM3517CRANE	1	/* working with CRANEBOARD */
21 
22 #define CONFIG_EMIF4	/* The chip has EMIF4 controller */
23 
24 #include <asm/arch/cpu.h>		/* get chip and board defs */
25 #include <asm/arch/omap.h>
26 
27 /* Clock Defines */
28 #define V_OSCK			26000000	/* Clock output from T2 */
29 #define V_SCLK			(V_OSCK >> 1)
30 
31 #define CONFIG_MISC_INIT_R
32 
33 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
34 #define CONFIG_SETUP_MEMORY_TAGS	1
35 #define CONFIG_INITRD_TAG		1
36 #define CONFIG_REVISION_TAG		1
37 
38 /*
39  * Size of malloc() pool
40  */
41 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
42 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
43 						/* initial data */
44 /*
45  * DDR related
46  */
47 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
48 
49 /*
50  * Hardware drivers
51  */
52 
53 /*
54  * NS16550 Configuration
55  */
56 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
57 
58 #define CONFIG_SYS_NS16550_SERIAL
59 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
60 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
61 
62 /*
63  * select serial console configuration
64  */
65 #define CONFIG_CONS_INDEX		3
66 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
67 #define CONFIG_SERIAL3			3	/* UART3 on CRANEBOARD */
68 
69 /* allow to overwrite serial and ethaddr */
70 #define CONFIG_ENV_OVERWRITE
71 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
72 					115200}
73 
74 /*
75  * USB configuration
76  * Enable CONFIG_USB_MUSB_HCD for Host functionalities MSC, keyboard
77  * Enable CONFIG_USB_MUSB_UDC for Device functionalities.
78  */
79 #define CONFIG_USB_AM35X		1
80 #define CONFIG_USB_MUSB_HCD			1
81 
82 #ifdef CONFIG_USB_AM35X
83 
84 #ifdef CONFIG_USB_MUSB_HCD
85 
86 #ifdef CONFIG_USB_KEYBOARD
87 #define CONFIG_SYS_USB_EVENT_POLL
88 #define CONFIG_PREBOOT "usb start"
89 #endif /* CONFIG_USB_KEYBOARD */
90 
91 #endif /* CONFIG_USB_MUSB_HCD */
92 
93 #ifdef CONFIG_USB_MUSB_UDC
94 /* USB device configuration */
95 #define CONFIG_USB_DEVICE		1
96 #define CONFIG_USB_TTY			1
97 /* Change these to suit your needs */
98 #define CONFIG_USBD_VENDORID		0x0451
99 #define CONFIG_USBD_PRODUCTID		0x5678
100 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
101 #define CONFIG_USBD_PRODUCT_NAME	"AM3517CRANE"
102 #endif /* CONFIG_USB_MUSB_UDC */
103 
104 #endif /* CONFIG_USB_AM35X */
105 
106 /* commands to include */
107 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
108 
109 #define CONFIG_CMD_NAND		/* NAND support			*/
110 
111 #define CONFIG_SYS_I2C
112 #define CONFIG_SYS_OMAP24_I2C_SPEED	100000
113 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
114 #define CONFIG_SYS_I2C_OMAP34XX
115 
116 /*
117  * Board NAND Info.
118  */
119 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
120 							/* to access nand */
121 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
122 							/* to access */
123 							/* nand at CS0 */
124 
125 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
126 							/* NAND devices */
127 
128 #define CONFIG_JFFS2_NAND
129 /* nand device jffs2 lives on */
130 #define CONFIG_JFFS2_DEV		"nand0"
131 /* start of jffs2 partition */
132 #define CONFIG_JFFS2_PART_OFFSET	0x680000
133 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* sz of jffs2 part */
134 
135 /* Environment information */
136 
137 #define CONFIG_BOOTFILE		"uImage"
138 
139 #define CONFIG_EXTRA_ENV_SETTINGS \
140 	"loadaddr=0x82000000\0" \
141 	"console=ttyS2,115200n8\0" \
142 	"mmcdev=0\0" \
143 	"mmcargs=setenv bootargs console=${console} " \
144 		"root=/dev/mmcblk0p2 rw " \
145 		"rootfstype=ext3 rootwait\0" \
146 	"nandargs=setenv bootargs console=${console} " \
147 		"root=/dev/mtdblock4 rw " \
148 		"rootfstype=jffs2\0" \
149 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
150 	"bootscript=echo Running bootscript from mmc ...; " \
151 		"source ${loadaddr}\0" \
152 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
153 	"mmcboot=echo Booting from mmc ...; " \
154 		"run mmcargs; " \
155 		"bootm ${loadaddr}\0" \
156 	"nandboot=echo Booting from nand ...; " \
157 		"run nandargs; " \
158 		"nand read ${loadaddr} 280000 400000; " \
159 		"bootm ${loadaddr}\0" \
160 
161 #define CONFIG_BOOTCOMMAND \
162 	"mmc dev ${mmcdev}; if mmc rescan; then " \
163 		"if run loadbootscript; then " \
164 			"run bootscript; " \
165 		"else " \
166 			"if run loaduimage; then " \
167 				"run mmcboot; " \
168 			"else run nandboot; " \
169 			"fi; " \
170 		"fi; " \
171 	"else run nandboot; fi"
172 
173 #define CONFIG_AUTO_COMPLETE	1
174 /*
175  * Miscellaneous configurable options
176  */
177 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
178 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
179 /* Print Buffer Size */
180 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
181 					sizeof(CONFIG_SYS_PROMPT) + 16)
182 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
183 						/* args */
184 /* Boot Argument Buffer Size */
185 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
186 /* memtest works on */
187 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
188 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
189 					0x01F00000) /* 31MB */
190 
191 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
192 								/* address */
193 
194 /*
195  * AM3517 has 12 GP timers, they can be driven by the system clock
196  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
197  * This rate is divided by a local divisor.
198  */
199 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
200 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
201 
202 /*-----------------------------------------------------------------------
203  * Physical Memory Map
204  */
205 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
206 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
207 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
208 
209 /*-----------------------------------------------------------------------
210  * FLASH and environment organization
211  */
212 
213 /* **** PISMO SUPPORT *** */
214 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
215 						/* on one chip */
216 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
217 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
218 
219 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
220 
221 /* Monitor at start of flash */
222 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
223 
224 #define CONFIG_NAND_OMAP_GPMC
225 #define CONFIG_ENV_IS_IN_NAND		1
226 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
227 
228 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB sector */
229 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
230 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
231 
232 /*-----------------------------------------------------------------------
233  * CFI FLASH driver setup
234  */
235 /* timeout values are in ticks */
236 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
237 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
238 
239 /* Flash banks JFFS2 should use */
240 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
241 					CONFIG_SYS_MAX_NAND_DEVICE)
242 #define CONFIG_SYS_JFFS2_MEM_NAND
243 /* use flash_info[2] */
244 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
245 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
246 
247 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
248 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
249 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
250 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
251 					 CONFIG_SYS_INIT_RAM_SIZE - \
252 					 GENERATED_GBL_DATA_SIZE)
253 
254 /* Defines for SPL */
255 #define CONFIG_SPL_FRAMEWORK
256 #define CONFIG_SPL_BOARD_INIT
257 #define CONFIG_SPL_NAND_SIMPLE
258 #define CONFIG_SPL_TEXT_BASE		0x40200800
259 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
260 					 CONFIG_SPL_TEXT_BASE)
261 
262 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
263 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
264 
265 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
266 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
267 
268 #define CONFIG_SPL_NAND_BASE
269 #define CONFIG_SPL_NAND_DRIVERS
270 #define CONFIG_SPL_NAND_ECC
271 #define CONFIG_SPL_LDSCRIPT		"arch/arm/mach-omap2/u-boot-spl.lds"
272 
273 /* NAND boot config */
274 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
275 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
276 #define CONFIG_SYS_NAND_PAGE_COUNT	64
277 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
278 #define CONFIG_SYS_NAND_OOBSIZE		64
279 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
280 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
281 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
282 						10, 11, 12, 13}
283 #define CONFIG_SYS_NAND_ECCSIZE		512
284 #define CONFIG_SYS_NAND_ECCBYTES	3
285 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
286 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
287 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
288 
289 /*
290  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
291  * 64 bytes before this address should be set aside for u-boot.img's
292  * header. That is 0x800FFFC0--0x80100000 should not be used for any
293  * other needs.
294  */
295 #define CONFIG_SYS_TEXT_BASE		0x80100000
296 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
297 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
298 
299 #endif /* __CONFIG_H */
300