1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * am3517_crane.h - Default configuration for AM3517 CraneBoard.
4  *
5  * Author: Srinath.R <srinath@mistralsolutions.com>
6  *
7  * Based on include/configs/am3517evm.h
8  *
9  * Copyright (C) 2011 Mistral Solutions pvt Ltd
10  */
11 
12 #ifndef __CONFIG_H
13 #define __CONFIG_H
14 
15 /*
16  * High Level Configuration Options
17  */
18 
19 #include <asm/arch/cpu.h>		/* get chip and board defs */
20 #include <asm/arch/omap.h>
21 
22 /* Clock Defines */
23 #define V_OSCK			26000000	/* Clock output from T2 */
24 #define V_SCLK			(V_OSCK >> 1)
25 
26 #define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
27 #define CONFIG_SETUP_MEMORY_TAGS	1
28 #define CONFIG_INITRD_TAG		1
29 #define CONFIG_REVISION_TAG		1
30 
31 /*
32  * Size of malloc() pool
33  */
34 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */
35 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (128 << 10))
36 						/* initial data */
37 /*
38  * DDR related
39  */
40 #define CONFIG_SYS_CS0_SIZE		(256 * 1024 * 1024)
41 
42 /*
43  * Hardware drivers
44  */
45 
46 /*
47  * NS16550 Configuration
48  */
49 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
50 
51 #define CONFIG_SYS_NS16550_SERIAL
52 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
53 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
54 
55 /*
56  * select serial console configuration
57  */
58 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
59 
60 /* allow to overwrite serial and ethaddr */
61 #define CONFIG_ENV_OVERWRITE
62 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
63 					115200}
64 
65 /*
66  * USB configuration
67  * Enable CONFIG_USB_MUSB_HCD for Host functionalities MSC, keyboard
68  * Enable CONFIG_USB_MUSB_UDC for Device functionalities.
69  */
70 
71 #ifdef CONFIG_USB_AM35X
72 
73 #ifdef CONFIG_USB_MUSB_HCD
74 
75 #ifdef CONFIG_USB_KEYBOARD
76 #define CONFIG_PREBOOT "usb start"
77 #endif /* CONFIG_USB_KEYBOARD */
78 
79 #endif /* CONFIG_USB_MUSB_HCD */
80 
81 #ifdef CONFIG_USB_MUSB_UDC
82 /* USB device configuration */
83 #define CONFIG_USB_DEVICE		1
84 #define CONFIG_USB_TTY			1
85 /* Change these to suit your needs */
86 #define CONFIG_USBD_VENDORID		0x0451
87 #define CONFIG_USBD_PRODUCTID		0x5678
88 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
89 #define CONFIG_USBD_PRODUCT_NAME	"AM3517CRANE"
90 #endif /* CONFIG_USB_MUSB_UDC */
91 
92 #endif /* CONFIG_USB_AM35X */
93 
94 #define CONFIG_SYS_I2C
95 
96 /*
97  * Board NAND Info.
98  */
99 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
100 							/* to access */
101 							/* nand at CS0 */
102 
103 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of */
104 							/* NAND devices */
105 
106 #define CONFIG_JFFS2_NAND
107 /* nand device jffs2 lives on */
108 #define CONFIG_JFFS2_DEV		"nand0"
109 /* start of jffs2 partition */
110 #define CONFIG_JFFS2_PART_OFFSET	0x680000
111 #define CONFIG_JFFS2_PART_SIZE		0xf980000	/* sz of jffs2 part */
112 
113 /* Environment information */
114 
115 #define CONFIG_BOOTFILE		"uImage"
116 
117 #define CONFIG_EXTRA_ENV_SETTINGS \
118 	"loadaddr=0x82000000\0" \
119 	"console=ttyS2,115200n8\0" \
120 	"mmcdev=0\0" \
121 	"mmcargs=setenv bootargs console=${console} " \
122 		"root=/dev/mmcblk0p2 rw " \
123 		"rootfstype=ext3 rootwait\0" \
124 	"nandargs=setenv bootargs console=${console} " \
125 		"root=/dev/mtdblock4 rw " \
126 		"rootfstype=jffs2\0" \
127 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
128 	"bootscript=echo Running bootscript from mmc ...; " \
129 		"source ${loadaddr}\0" \
130 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
131 	"mmcboot=echo Booting from mmc ...; " \
132 		"run mmcargs; " \
133 		"bootm ${loadaddr}\0" \
134 	"nandboot=echo Booting from nand ...; " \
135 		"run nandargs; " \
136 		"nand read ${loadaddr} 280000 400000; " \
137 		"bootm ${loadaddr}\0" \
138 
139 #define CONFIG_BOOTCOMMAND \
140 	"mmc dev ${mmcdev}; if mmc rescan; then " \
141 		"if run loadbootscript; then " \
142 			"run bootscript; " \
143 		"else " \
144 			"if run loaduimage; then " \
145 				"run mmcboot; " \
146 			"else run nandboot; " \
147 			"fi; " \
148 		"fi; " \
149 	"else run nandboot; fi"
150 
151 /*
152  * Miscellaneous configurable options
153  */
154 #define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
155 #define CONFIG_SYS_MAXARGS		32	/* max number of command */
156 						/* args */
157 /* memtest works on */
158 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
159 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
160 					0x01F00000) /* 31MB */
161 
162 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0) /* default load */
163 								/* address */
164 
165 /*
166  * AM3517 has 12 GP timers, they can be driven by the system clock
167  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
168  * This rate is divided by a local divisor.
169  */
170 #define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
171 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
172 
173 /*-----------------------------------------------------------------------
174  * Physical Memory Map
175  */
176 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
177 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
178 
179 /*-----------------------------------------------------------------------
180  * FLASH and environment organization
181  */
182 
183 /* **** PISMO SUPPORT *** */
184 #define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
185 						/* on one chip */
186 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
187 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
188 
189 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
190 
191 /* Monitor at start of flash */
192 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
193 
194 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB sector */
195 #define CONFIG_ENV_OFFSET		0x260000
196 #define CONFIG_ENV_ADDR			0x260000
197 
198 /*-----------------------------------------------------------------------
199  * CFI FLASH driver setup
200  */
201 /* timeout values are in ticks */
202 #define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
203 #define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
204 
205 /* Flash banks JFFS2 should use */
206 #define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
207 					CONFIG_SYS_MAX_NAND_DEVICE)
208 #define CONFIG_SYS_JFFS2_MEM_NAND
209 /* use flash_info[2] */
210 #define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
211 #define CONFIG_SYS_JFFS2_NUM_BANKS	1
212 
213 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
214 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
215 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
216 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
217 					 CONFIG_SYS_INIT_RAM_SIZE - \
218 					 GENERATED_GBL_DATA_SIZE)
219 
220 /* Defines for SPL */
221 #define CONFIG_SPL_TEXT_BASE		0x40200800
222 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
223 					 CONFIG_SPL_TEXT_BASE)
224 
225 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
226 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
227 
228 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
229 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
230 
231 #define CONFIG_SPL_NAND_BASE
232 #define CONFIG_SPL_NAND_DRIVERS
233 #define CONFIG_SPL_NAND_ECC
234 
235 /* NAND boot config */
236 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
237 #define CONFIG_SYS_NAND_PAGE_COUNT	64
238 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
239 #define CONFIG_SYS_NAND_OOBSIZE		64
240 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
241 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
242 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
243 						10, 11, 12, 13}
244 #define CONFIG_SYS_NAND_ECCSIZE		512
245 #define CONFIG_SYS_NAND_ECCBYTES	3
246 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
247 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
248 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
249 
250 /*
251  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
252  * 64 bytes before this address should be set aside for u-boot.img's
253  * header. That is 0x800FFFC0--0x80100000 should not be used for any
254  * other needs.
255  */
256 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
257 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
258 
259 #endif /* __CONFIG_H */
260