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