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 /* Common ARM Erratas */
22 #define CONFIG_ARM_ERRATA_454179
23 #define CONFIG_ARM_ERRATA_430973
24 #define CONFIG_ARM_ERRATA_621766
25 
26 #define CONFIG_EMIF4	/* The chip has EMIF4 controller */
27 
28 #include <asm/arch/cpu.h>		/* get chip and board defs */
29 #include <asm/arch/omap.h>
30 
31 /* Clock Defines */
32 #define V_OSCK			26000000	/* Clock output from T2 */
33 #define V_SCLK			(V_OSCK >> 1)
34 
35 #define CONFIG_MISC_INIT_R
36 
37 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
38 #define CONFIG_SETUP_MEMORY_TAGS	1
39 #define CONFIG_INITRD_TAG		1
40 #define CONFIG_REVISION_TAG		1
41 
42 /*
43  * Size of malloc() pool
44  */
45 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
46 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
47 						/* initial data */
48 /*
49  * DDR related
50  */
51 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
52 
53 /*
54  * Hardware drivers
55  */
56 
57 /*
58  * NS16550 Configuration
59  */
60 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
61 
62 #define CONFIG_SYS_NS16550_SERIAL
63 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
64 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
65 
66 /*
67  * select serial console configuration
68  */
69 #define CONFIG_CONS_INDEX		3
70 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
71 #define CONFIG_SERIAL3			3	/* UART3 on CRANEBOARD */
72 
73 /* allow to overwrite serial and ethaddr */
74 #define CONFIG_ENV_OVERWRITE
75 #define CONFIG_BAUDRATE			115200
76 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
77 					115200}
78 
79 /*
80  * USB configuration
81  * Enable CONFIG_USB_MUSB_HCD for Host functionalities MSC, keyboard
82  * Enable CONFIG_USB_MUSB_UDC for Device functionalities.
83  */
84 #define CONFIG_USB_AM35X		1
85 #define CONFIG_USB_MUSB_HCD			1
86 
87 #ifdef CONFIG_USB_AM35X
88 
89 #ifdef CONFIG_USB_MUSB_HCD
90 
91 #ifdef CONFIG_USB_KEYBOARD
92 #define CONFIG_SYS_USB_EVENT_POLL
93 #define CONFIG_PREBOOT "usb start"
94 #endif /* CONFIG_USB_KEYBOARD */
95 
96 #endif /* CONFIG_USB_MUSB_HCD */
97 
98 #ifdef CONFIG_USB_MUSB_UDC
99 /* USB device configuration */
100 #define CONFIG_USB_DEVICE		1
101 #define CONFIG_USB_TTY			1
102 /* Change these to suit your needs */
103 #define CONFIG_USBD_VENDORID		0x0451
104 #define CONFIG_USBD_PRODUCTID		0x5678
105 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
106 #define CONFIG_USBD_PRODUCT_NAME	"AM3517CRANE"
107 #endif /* CONFIG_USB_MUSB_UDC */
108 
109 #endif /* CONFIG_USB_AM35X */
110 
111 /* commands to include */
112 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
113 
114 #define CONFIG_CMD_NAND		/* NAND support			*/
115 
116 #define CONFIG_SYS_I2C
117 #define CONFIG_SYS_OMAP24_I2C_SPEED	100000
118 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
119 #define CONFIG_SYS_I2C_OMAP34XX
120 
121 /*
122  * Board NAND Info.
123  */
124 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
125 							/* to access nand */
126 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
127 							/* to access */
128 							/* nand at CS0 */
129 
130 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
131 							/* NAND devices */
132 
133 #define CONFIG_JFFS2_NAND
134 /* nand device jffs2 lives on */
135 #define CONFIG_JFFS2_DEV		"nand0"
136 /* start of jffs2 partition */
137 #define CONFIG_JFFS2_PART_OFFSET	0x680000
138 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* sz of jffs2 part */
139 
140 /* Environment information */
141 
142 #define CONFIG_BOOTFILE		"uImage"
143 
144 #define CONFIG_EXTRA_ENV_SETTINGS \
145 	"loadaddr=0x82000000\0" \
146 	"console=ttyS2,115200n8\0" \
147 	"mmcdev=0\0" \
148 	"mmcargs=setenv bootargs console=${console} " \
149 		"root=/dev/mmcblk0p2 rw " \
150 		"rootfstype=ext3 rootwait\0" \
151 	"nandargs=setenv bootargs console=${console} " \
152 		"root=/dev/mtdblock4 rw " \
153 		"rootfstype=jffs2\0" \
154 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
155 	"bootscript=echo Running bootscript from mmc ...; " \
156 		"source ${loadaddr}\0" \
157 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
158 	"mmcboot=echo Booting from mmc ...; " \
159 		"run mmcargs; " \
160 		"bootm ${loadaddr}\0" \
161 	"nandboot=echo Booting from nand ...; " \
162 		"run nandargs; " \
163 		"nand read ${loadaddr} 280000 400000; " \
164 		"bootm ${loadaddr}\0" \
165 
166 #define CONFIG_BOOTCOMMAND \
167 	"mmc dev ${mmcdev}; if mmc rescan; then " \
168 		"if run loadbootscript; then " \
169 			"run bootscript; " \
170 		"else " \
171 			"if run loaduimage; then " \
172 				"run mmcboot; " \
173 			"else run nandboot; " \
174 			"fi; " \
175 		"fi; " \
176 	"else run nandboot; fi"
177 
178 #define CONFIG_AUTO_COMPLETE	1
179 /*
180  * Miscellaneous configurable options
181  */
182 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
183 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
184 /* Print Buffer Size */
185 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
186 					sizeof(CONFIG_SYS_PROMPT) + 16)
187 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
188 						/* args */
189 /* Boot Argument Buffer Size */
190 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
191 /* memtest works on */
192 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
193 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
194 					0x01F00000) /* 31MB */
195 
196 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
197 								/* address */
198 
199 /*
200  * AM3517 has 12 GP timers, they can be driven by the system clock
201  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
202  * This rate is divided by a local divisor.
203  */
204 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
205 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
206 
207 /*-----------------------------------------------------------------------
208  * Physical Memory Map
209  */
210 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
211 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
212 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
213 
214 /*-----------------------------------------------------------------------
215  * FLASH and environment organization
216  */
217 
218 /* **** PISMO SUPPORT *** */
219 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
220 						/* on one chip */
221 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
222 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
223 
224 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
225 
226 /* Monitor at start of flash */
227 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
228 
229 #define CONFIG_NAND_OMAP_GPMC
230 #define CONFIG_ENV_IS_IN_NAND		1
231 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
232 
233 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB sector */
234 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
235 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
236 
237 /*-----------------------------------------------------------------------
238  * CFI FLASH driver setup
239  */
240 /* timeout values are in ticks */
241 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
242 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
243 
244 /* Flash banks JFFS2 should use */
245 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
246 					CONFIG_SYS_MAX_NAND_DEVICE)
247 #define CONFIG_SYS_JFFS2_MEM_NAND
248 /* use flash_info[2] */
249 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
250 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
251 
252 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
253 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
254 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
255 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
256 					 CONFIG_SYS_INIT_RAM_SIZE - \
257 					 GENERATED_GBL_DATA_SIZE)
258 
259 /* Defines for SPL */
260 #define CONFIG_SPL_FRAMEWORK
261 #define CONFIG_SPL_BOARD_INIT
262 #define CONFIG_SPL_NAND_SIMPLE
263 #define CONFIG_SPL_TEXT_BASE		0x40200800
264 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
265 					 CONFIG_SPL_TEXT_BASE)
266 
267 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
268 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
269 
270 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
271 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
272 
273 #define CONFIG_SPL_NAND_BASE
274 #define CONFIG_SPL_NAND_DRIVERS
275 #define CONFIG_SPL_NAND_ECC
276 #define CONFIG_SPL_LDSCRIPT		"arch/arm/mach-omap2/u-boot-spl.lds"
277 
278 /* NAND boot config */
279 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
280 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
281 #define CONFIG_SYS_NAND_PAGE_COUNT	64
282 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
283 #define CONFIG_SYS_NAND_OOBSIZE		64
284 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
285 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
286 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
287 						10, 11, 12, 13}
288 #define CONFIG_SYS_NAND_ECCSIZE		512
289 #define CONFIG_SYS_NAND_ECCBYTES	3
290 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
291 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
292 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
293 
294 /*
295  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
296  * 64 bytes before this address should be set aside for u-boot.img's
297  * header. That is 0x800FFFC0--0x80100000 should not be used for any
298  * other needs.
299  */
300 #define CONFIG_SYS_TEXT_BASE		0x80100000
301 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
302 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
303 
304 #endif /* __CONFIG_H */
305