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 /*
33  * Display CPU and Board information
34  */
35 #define CONFIG_DISPLAY_CPUINFO		1
36 #define CONFIG_DISPLAY_BOARDINFO	1
37 
38 /* Clock Defines */
39 #define V_OSCK			26000000	/* Clock output from T2 */
40 #define V_SCLK			(V_OSCK >> 1)
41 
42 #define CONFIG_MISC_INIT_R
43 
44 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
45 #define CONFIG_SETUP_MEMORY_TAGS	1
46 #define CONFIG_INITRD_TAG		1
47 #define CONFIG_REVISION_TAG		1
48 
49 /*
50  * Size of malloc() pool
51  */
52 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
53 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
54 						/* initial data */
55 /*
56  * DDR related
57  */
58 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
59 
60 /*
61  * Hardware drivers
62  */
63 
64 /*
65  * NS16550 Configuration
66  */
67 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
68 
69 #define CONFIG_SYS_NS16550_SERIAL
70 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
71 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
72 
73 /*
74  * select serial console configuration
75  */
76 #define CONFIG_CONS_INDEX		3
77 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
78 #define CONFIG_SERIAL3			3	/* UART3 on CRANEBOARD */
79 
80 /* allow to overwrite serial and ethaddr */
81 #define CONFIG_ENV_OVERWRITE
82 #define CONFIG_BAUDRATE			115200
83 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
84 					115200}
85 #define CONFIG_GENERIC_MMC		1
86 #define CONFIG_MMC			1
87 #define CONFIG_OMAP_HSMMC		1
88 #define CONFIG_DOS_PARTITION		1
89 
90 /*
91  * USB configuration
92  * Enable CONFIG_USB_MUSB_HCD for Host functionalities MSC, keyboard
93  * Enable CONFIG_USB_MUSB_UDC for Device functionalities.
94  */
95 #define CONFIG_USB_AM35X		1
96 #define CONFIG_USB_MUSB_HCD			1
97 
98 #ifdef CONFIG_USB_AM35X
99 
100 #ifdef CONFIG_USB_MUSB_HCD
101 
102 #define CONGIG_CMD_STORAGE
103 
104 #ifdef CONFIG_USB_KEYBOARD
105 #define CONFIG_SYS_USB_EVENT_POLL
106 #define CONFIG_PREBOOT "usb start"
107 #endif /* CONFIG_USB_KEYBOARD */
108 
109 #endif /* CONFIG_USB_MUSB_HCD */
110 
111 #ifdef CONFIG_USB_MUSB_UDC
112 /* USB device configuration */
113 #define CONFIG_USB_DEVICE		1
114 #define CONFIG_USB_TTY			1
115 #define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
116 /* Change these to suit your needs */
117 #define CONFIG_USBD_VENDORID		0x0451
118 #define CONFIG_USBD_PRODUCTID		0x5678
119 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
120 #define CONFIG_USBD_PRODUCT_NAME	"AM3517CRANE"
121 #endif /* CONFIG_USB_MUSB_UDC */
122 
123 #endif /* CONFIG_USB_AM35X */
124 
125 /* commands to include */
126 #define CONFIG_CMD_JFFS2	/* JFFS2 Support		*/
127 
128 #define CONFIG_CMD_NAND		/* NAND support			*/
129 
130 #define CONFIG_SYS_NO_FLASH
131 #define CONFIG_SYS_I2C
132 #define CONFIG_SYS_OMAP24_I2C_SPEED	100000
133 #define CONFIG_SYS_OMAP24_I2C_SLAVE	1
134 #define CONFIG_SYS_I2C_OMAP34XX
135 
136 /*
137  * Board NAND Info.
138  */
139 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
140 							/* to access nand */
141 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
142 							/* to access */
143 							/* nand at CS0 */
144 
145 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
146 							/* NAND devices */
147 
148 #define CONFIG_JFFS2_NAND
149 /* nand device jffs2 lives on */
150 #define CONFIG_JFFS2_DEV		"nand0"
151 /* start of jffs2 partition */
152 #define CONFIG_JFFS2_PART_OFFSET	0x680000
153 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* sz of jffs2 part */
154 
155 /* Environment information */
156 
157 #define CONFIG_BOOTFILE		"uImage"
158 
159 #define CONFIG_EXTRA_ENV_SETTINGS \
160 	"loadaddr=0x82000000\0" \
161 	"console=ttyS2,115200n8\0" \
162 	"mmcdev=0\0" \
163 	"mmcargs=setenv bootargs console=${console} " \
164 		"root=/dev/mmcblk0p2 rw " \
165 		"rootfstype=ext3 rootwait\0" \
166 	"nandargs=setenv bootargs console=${console} " \
167 		"root=/dev/mtdblock4 rw " \
168 		"rootfstype=jffs2\0" \
169 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
170 	"bootscript=echo Running bootscript from mmc ...; " \
171 		"source ${loadaddr}\0" \
172 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
173 	"mmcboot=echo Booting from mmc ...; " \
174 		"run mmcargs; " \
175 		"bootm ${loadaddr}\0" \
176 	"nandboot=echo Booting from nand ...; " \
177 		"run nandargs; " \
178 		"nand read ${loadaddr} 280000 400000; " \
179 		"bootm ${loadaddr}\0" \
180 
181 #define CONFIG_BOOTCOMMAND \
182 	"mmc dev ${mmcdev}; if mmc rescan; then " \
183 		"if run loadbootscript; then " \
184 			"run bootscript; " \
185 		"else " \
186 			"if run loaduimage; then " \
187 				"run mmcboot; " \
188 			"else run nandboot; " \
189 			"fi; " \
190 		"fi; " \
191 	"else run nandboot; fi"
192 
193 #define CONFIG_AUTO_COMPLETE	1
194 /*
195  * Miscellaneous configurable options
196  */
197 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
198 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
199 /* Print Buffer Size */
200 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
201 					sizeof(CONFIG_SYS_PROMPT) + 16)
202 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
203 						/* args */
204 /* Boot Argument Buffer Size */
205 #define CONFIG_SYS_BARGSIZE		(CONFIG_SYS_CBSIZE)
206 /* memtest works on */
207 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
208 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
209 					0x01F00000) /* 31MB */
210 
211 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
212 								/* address */
213 
214 /*
215  * AM3517 has 12 GP timers, they can be driven by the system clock
216  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
217  * This rate is divided by a local divisor.
218  */
219 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
220 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
221 
222 /*-----------------------------------------------------------------------
223  * Physical Memory Map
224  */
225 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
226 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
227 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
228 
229 /*-----------------------------------------------------------------------
230  * FLASH and environment organization
231  */
232 
233 /* **** PISMO SUPPORT *** */
234 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
235 						/* on one chip */
236 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
237 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
238 
239 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
240 
241 /* Monitor at start of flash */
242 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
243 
244 #define CONFIG_NAND_OMAP_GPMC
245 #define CONFIG_ENV_IS_IN_NAND		1
246 #define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
247 
248 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB sector */
249 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
250 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
251 
252 /*-----------------------------------------------------------------------
253  * CFI FLASH driver setup
254  */
255 /* timeout values are in ticks */
256 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
257 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
258 
259 /* Flash banks JFFS2 should use */
260 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
261 					CONFIG_SYS_MAX_NAND_DEVICE)
262 #define CONFIG_SYS_JFFS2_MEM_NAND
263 /* use flash_info[2] */
264 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
265 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
266 
267 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
268 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
269 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
270 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
271 					 CONFIG_SYS_INIT_RAM_SIZE - \
272 					 GENERATED_GBL_DATA_SIZE)
273 
274 /* Defines for SPL */
275 #define CONFIG_SPL_FRAMEWORK
276 #define CONFIG_SPL_BOARD_INIT
277 #define CONFIG_SPL_NAND_SIMPLE
278 #define CONFIG_SPL_TEXT_BASE		0x40200800
279 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
280 					 CONFIG_SPL_TEXT_BASE)
281 
282 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
283 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
284 
285 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
286 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x200 /* 256 KB */
287 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
288 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
289 
290 #define CONFIG_SPL_NAND_BASE
291 #define CONFIG_SPL_NAND_DRIVERS
292 #define CONFIG_SPL_NAND_ECC
293 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
294 
295 /* NAND boot config */
296 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
297 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
298 #define CONFIG_SYS_NAND_PAGE_COUNT	64
299 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
300 #define CONFIG_SYS_NAND_OOBSIZE		64
301 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
302 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
303 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
304 						10, 11, 12, 13}
305 #define CONFIG_SYS_NAND_ECCSIZE		512
306 #define CONFIG_SYS_NAND_ECCBYTES	3
307 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
308 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
309 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
310 
311 /*
312  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
313  * 64 bytes before this address should be set aside for u-boot.img's
314  * header. That is 0x800FFFC0--0x80100000 should not be used for any
315  * other needs.
316  */
317 #define CONFIG_SYS_TEXT_BASE		0x80100000
318 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
319 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
320 
321 #endif /* __CONFIG_H */
322