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 #define CONFIG_OMAP_COMMON
22 /* Common ARM Erratas */
23 #define CONFIG_ARM_ERRATA_454179
24 #define CONFIG_ARM_ERRATA_430973
25 #define CONFIG_ARM_ERRATA_621766
26 
27 #define CONFIG_EMIF4	/* The chip has EMIF4 controller */
28 
29 #include <asm/arch/cpu.h>		/* get chip and board defs */
30 #include <asm/arch/omap.h>
31 
32 /* Clock Defines */
33 #define V_OSCK			26000000	/* Clock output from T2 */
34 #define V_SCLK			(V_OSCK >> 1)
35 
36 #define CONFIG_MISC_INIT_R
37 
38 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
39 #define CONFIG_SETUP_MEMORY_TAGS	1
40 #define CONFIG_INITRD_TAG		1
41 #define CONFIG_REVISION_TAG		1
42 
43 /*
44  * Size of malloc() pool
45  */
46 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
47 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
48 						/* initial data */
49 /*
50  * DDR related
51  */
52 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
53 
54 /*
55  * Hardware drivers
56  */
57 
58 /*
59  * NS16550 Configuration
60  */
61 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
62 
63 #define CONFIG_SYS_NS16550_SERIAL
64 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
65 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
66 
67 /*
68  * select serial console configuration
69  */
70 #define CONFIG_CONS_INDEX		3
71 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
72 #define CONFIG_SERIAL3			3	/* UART3 on CRANEBOARD */
73 
74 /* allow to overwrite serial and ethaddr */
75 #define CONFIG_ENV_OVERWRITE
76 #define CONFIG_BAUDRATE			115200
77 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
78 					115200}
79 #define CONFIG_GENERIC_MMC		1
80 #define CONFIG_MMC			1
81 #define CONFIG_OMAP_HSMMC		1
82 #define CONFIG_DOS_PARTITION		1
83 
84 /*
85  * USB configuration
86  * Enable CONFIG_USB_MUSB_HCD for Host functionalities MSC, keyboard
87  * Enable CONFIG_USB_MUSB_UDC for Device functionalities.
88  */
89 #define CONFIG_USB_AM35X		1
90 #define CONFIG_USB_MUSB_HCD			1
91 
92 #ifdef CONFIG_USB_AM35X
93 
94 #ifdef CONFIG_USB_MUSB_HCD
95 
96 #define CONGIG_CMD_STORAGE
97 
98 #ifdef CONFIG_USB_KEYBOARD
99 #define CONFIG_SYS_USB_EVENT_POLL
100 #define CONFIG_PREBOOT "usb start"
101 #endif /* CONFIG_USB_KEYBOARD */
102 
103 #endif /* CONFIG_USB_MUSB_HCD */
104 
105 #ifdef CONFIG_USB_MUSB_UDC
106 /* USB device configuration */
107 #define CONFIG_USB_DEVICE		1
108 #define CONFIG_USB_TTY			1
109 /* Change these to suit your needs */
110 #define CONFIG_USBD_VENDORID		0x0451
111 #define CONFIG_USBD_PRODUCTID		0x5678
112 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
113 #define CONFIG_USBD_PRODUCT_NAME	"AM3517CRANE"
114 #endif /* CONFIG_USB_MUSB_UDC */
115 
116 #endif /* CONFIG_USB_AM35X */
117 
118 /* commands to include */
119 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
120 
121 #define CONFIG_CMD_NAND		/* NAND support			*/
122 
123 #define CONFIG_SYS_NO_FLASH
124 #define CONFIG_SYS_I2C
125 #define CONFIG_SYS_OMAP24_I2C_SPEED	100000
126 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
127 #define CONFIG_SYS_I2C_OMAP34XX
128 
129 /*
130  * Board NAND Info.
131  */
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 */
136 							/* nand at CS0 */
137 
138 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
139 							/* NAND devices */
140 
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	/* sz of jffs2 part */
147 
148 /* Environment information */
149 
150 #define CONFIG_BOOTFILE		"uImage"
151 
152 #define CONFIG_EXTRA_ENV_SETTINGS \
153 	"loadaddr=0x82000000\0" \
154 	"console=ttyS2,115200n8\0" \
155 	"mmcdev=0\0" \
156 	"mmcargs=setenv bootargs console=${console} " \
157 		"root=/dev/mmcblk0p2 rw " \
158 		"rootfstype=ext3 rootwait\0" \
159 	"nandargs=setenv bootargs console=${console} " \
160 		"root=/dev/mtdblock4 rw " \
161 		"rootfstype=jffs2\0" \
162 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
163 	"bootscript=echo Running bootscript from mmc ...; " \
164 		"source ${loadaddr}\0" \
165 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
166 	"mmcboot=echo Booting from mmc ...; " \
167 		"run mmcargs; " \
168 		"bootm ${loadaddr}\0" \
169 	"nandboot=echo Booting from nand ...; " \
170 		"run nandargs; " \
171 		"nand read ${loadaddr} 280000 400000; " \
172 		"bootm ${loadaddr}\0" \
173 
174 #define CONFIG_BOOTCOMMAND \
175 	"mmc dev ${mmcdev}; if mmc rescan; then " \
176 		"if run loadbootscript; then " \
177 			"run bootscript; " \
178 		"else " \
179 			"if run loaduimage; then " \
180 				"run mmcboot; " \
181 			"else run nandboot; " \
182 			"fi; " \
183 		"fi; " \
184 	"else run nandboot; fi"
185 
186 #define CONFIG_AUTO_COMPLETE	1
187 /*
188  * Miscellaneous configurable options
189  */
190 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
191 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
192 /* Print Buffer Size */
193 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
194 					sizeof(CONFIG_SYS_PROMPT) + 16)
195 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
196 						/* args */
197 /* Boot Argument Buffer Size */
198 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
199 /* memtest works on */
200 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
201 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
202 					0x01F00000) /* 31MB */
203 
204 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
205 								/* address */
206 
207 /*
208  * AM3517 has 12 GP timers, they can be driven by the system clock
209  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
210  * This rate is divided by a local divisor.
211  */
212 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
213 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
214 
215 /*-----------------------------------------------------------------------
216  * Physical Memory Map
217  */
218 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
219 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
220 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
221 
222 /*-----------------------------------------------------------------------
223  * FLASH and environment organization
224  */
225 
226 /* **** PISMO SUPPORT *** */
227 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
228 						/* on one chip */
229 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
230 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
231 
232 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
233 
234 /* Monitor at start of flash */
235 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
236 
237 #define CONFIG_NAND_OMAP_GPMC
238 #define CONFIG_ENV_IS_IN_NAND		1
239 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
240 
241 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB sector */
242 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
243 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
244 
245 /*-----------------------------------------------------------------------
246  * CFI FLASH driver setup
247  */
248 /* timeout values are in ticks */
249 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
250 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
251 
252 /* Flash banks JFFS2 should use */
253 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
254 					CONFIG_SYS_MAX_NAND_DEVICE)
255 #define CONFIG_SYS_JFFS2_MEM_NAND
256 /* use flash_info[2] */
257 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
258 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
259 
260 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
261 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
262 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
263 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
264 					 CONFIG_SYS_INIT_RAM_SIZE - \
265 					 GENERATED_GBL_DATA_SIZE)
266 
267 /* Defines for SPL */
268 #define CONFIG_SPL_FRAMEWORK
269 #define CONFIG_SPL_BOARD_INIT
270 #define CONFIG_SPL_NAND_SIMPLE
271 #define CONFIG_SPL_TEXT_BASE		0x40200800
272 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
273 					 CONFIG_SPL_TEXT_BASE)
274 
275 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
276 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
277 
278 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
279 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x200 /* 256 KB */
280 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
281 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
282 
283 #define CONFIG_SPL_NAND_BASE
284 #define CONFIG_SPL_NAND_DRIVERS
285 #define CONFIG_SPL_NAND_ECC
286 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
287 
288 /* NAND boot config */
289 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
290 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
291 #define CONFIG_SYS_NAND_PAGE_COUNT	64
292 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
293 #define CONFIG_SYS_NAND_OOBSIZE		64
294 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
295 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
296 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
297 						10, 11, 12, 13}
298 #define CONFIG_SYS_NAND_ECCSIZE		512
299 #define CONFIG_SYS_NAND_ECCBYTES	3
300 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
301 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
302 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
303 
304 /*
305  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
306  * 64 bytes before this address should be set aside for u-boot.img's
307  * header. That is 0x800FFFC0--0x80100000 should not be used for any
308  * other needs.
309  */
310 #define CONFIG_SYS_TEXT_BASE		0x80100000
311 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
312 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
313 
314 #endif /* __CONFIG_H */
315