xref: /openbmc/u-boot/include/configs/cm_t35.h (revision aa5e3e22)
1 /*
2  * (C) Copyright 2011 CompuLab, Ltd.
3  * Mike Rapoport <mike@compulab.co.il>
4  * Igor Grinberg <grinberg@compulab.co.il>
5  *
6  * Based on omap3_beagle.h
7  * (C) Copyright 2006-2008
8  * Texas Instruments.
9  * Richard Woodruff <r-woodruff2@ti.com>
10  * Syed Mohammed Khasim <x0khasim@ti.com>
11  *
12  * Configuration settings for the CompuLab CM-T35 and CM-T3730 boards
13  *
14  * SPDX-License-Identifier:	GPL-2.0+
15  */
16 
17 #ifndef __CONFIG_H
18 #define __CONFIG_H
19 
20 #define CONFIG_SYS_CACHELINE_SIZE	64
21 
22 /*
23  * High Level Configuration Options
24  */
25 #define CONFIG_CM_T3X	/* working with CM-T35 and CM-T3730 */
26 
27 #include <asm/arch/cpu.h>		/* get chip and board defs */
28 #include <asm/arch/omap.h>
29 
30 /* Clock Defines */
31 #define V_OSCK			26000000	/* Clock output from T2 */
32 #define V_SCLK			(V_OSCK >> 1)
33 
34 #define CONFIG_MISC_INIT_R
35 
36 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
37 #define CONFIG_SETUP_MEMORY_TAGS
38 #define CONFIG_INITRD_TAG
39 #define CONFIG_REVISION_TAG
40 #define CONFIG_SERIAL_TAG
41 
42 /*
43  * Size of malloc() pool
44  */
45 #define CONFIG_ENV_SIZE		(16 << 10)	/* 16 KiB */
46 					/* Sector */
47 #define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (128 << 10))
48 
49 /*
50  * Hardware drivers
51  */
52 
53 /*
54  * NS16550 Configuration
55  */
56 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
57 
58 #define CONFIG_SYS_NS16550_SERIAL
59 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
60 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
61 
62 /*
63  * select serial console configuration
64  */
65 #define CONFIG_CONS_INDEX		3
66 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
67 #define CONFIG_SERIAL3			3	/* UART3 */
68 
69 /* allow to overwrite serial and ethaddr */
70 #define CONFIG_ENV_OVERWRITE
71 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
72 					115200}
73 
74 /* USB device configuration */
75 #define CONFIG_USB_DEVICE
76 #define CONFIG_USB_TTY
77 
78 /* commands to include */
79 #define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
80 #define CONFIG_MTD_PARTITIONS
81 
82 #define CONFIG_SYS_I2C
83 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
84 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
85 #define CONFIG_SYS_I2C_EEPROM_BUS	0
86 #define CONFIG_I2C_MULTI_BUS
87 
88 /*
89  * TWL4030
90  */
91 #define CONFIG_TWL4030_LED
92 
93 /*
94  * Board NAND Info.
95  */
96 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
97 							/* to access nand */
98 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
99 							/* to access nand at */
100 							/* CS0 */
101 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
102 							/* devices */
103 
104 /* Environment information */
105 #define CONFIG_EXTRA_ENV_SETTINGS \
106 	"loadaddr=0x82000000\0" \
107 	"usbtty=cdc_acm\0" \
108 	"console=ttyO2,115200n8\0" \
109 	"mpurate=500\0" \
110 	"vram=12M\0" \
111 	"dvimode=1024x768MR-16@60\0" \
112 	"defaultdisplay=dvi\0" \
113 	"mmcdev=0\0" \
114 	"mmcroot=/dev/mmcblk0p2 rw\0" \
115 	"mmcrootfstype=ext4 rootwait\0" \
116 	"nandroot=/dev/mtdblock4 rw\0" \
117 	"nandrootfstype=ubifs\0" \
118 	"mmcargs=setenv bootargs console=${console} " \
119 		"mpurate=${mpurate} " \
120 		"vram=${vram} " \
121 		"omapfb.mode=dvi:${dvimode} " \
122 		"omapdss.def_disp=${defaultdisplay} " \
123 		"root=${mmcroot} " \
124 		"rootfstype=${mmcrootfstype}\0" \
125 	"nandargs=setenv bootargs console=${console} " \
126 		"mpurate=${mpurate} " \
127 		"vram=${vram} " \
128 		"omapfb.mode=dvi:${dvimode} " \
129 		"omapdss.def_disp=${defaultdisplay} " \
130 		"root=${nandroot} " \
131 		"rootfstype=${nandrootfstype}\0" \
132 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
133 	"bootscript=echo Running bootscript from mmc ...; " \
134 		"source ${loadaddr}\0" \
135 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
136 	"mmcboot=echo Booting from mmc ...; " \
137 		"run mmcargs; " \
138 		"bootm ${loadaddr}\0" \
139 	"nandboot=echo Booting from nand ...; " \
140 		"run nandargs; " \
141 		"nand read ${loadaddr} 2a0000 400000; " \
142 		"bootm ${loadaddr}\0" \
143 
144 #define CONFIG_BOOTCOMMAND \
145 	"mmc dev ${mmcdev}; if mmc rescan; then " \
146 		"if run loadbootscript; then " \
147 			"run bootscript; " \
148 		"else " \
149 			"if run loaduimage; then " \
150 				"run mmcboot; " \
151 			"else run nandboot; " \
152 			"fi; " \
153 		"fi; " \
154 	"else run nandboot; fi"
155 
156 /*
157  * Miscellaneous configurable options
158  */
159 #define CONFIG_TIMESTAMP
160 #define CONFIG_SYS_AUTOLOAD		"no"
161 
162 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
163 								/* works on */
164 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
165 					0x01F00000) /* 31MB */
166 
167 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
168 							/* load address */
169 
170 /*
171  * OMAP3 has 12 GP timers, they can be driven by the system clock
172  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
173  * This rate is divided by a local divisor.
174  */
175 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
176 #define CONFIG_SYS_PTV			2       /* Divisor: 2^(PTV+1) => 8 */
177 
178 /*-----------------------------------------------------------------------
179  * Physical Memory Map
180  */
181 #define CONFIG_NR_DRAM_BANKS	1	/* CS1 is never populated */
182 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
183 
184 /*-----------------------------------------------------------------------
185  * FLASH and environment organization
186  */
187 
188 /* **** PISMO SUPPORT *** */
189 /* Monitor at start of flash */
190 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
191 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
192 
193 #define CONFIG_ENV_OFFSET		0x260000
194 #define CONFIG_ENV_ADDR			0x260000
195 
196 /* additions for new relocation code, must be added to all boards */
197 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
198 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
199 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
200 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR +	\
201 					 CONFIG_SYS_INIT_RAM_SIZE -	\
202 					 GENERATED_GBL_DATA_SIZE)
203 
204 /* Status LED */
205 #define GREEN_LED_GPIO			186 /* CM-T35 Green LED is GPIO186 */
206 
207 #define CONFIG_SPLASHIMAGE_GUARD
208 
209 /* Display Configuration */
210 #define CONFIG_VIDEO_OMAP3
211 #define LCD_BPP		LCD_COLOR16
212 
213 #define CONFIG_SPLASH_SCREEN
214 #define CONFIG_SPLASH_SOURCE
215 #define CONFIG_BMP_16BPP
216 #define CONFIG_SCF0403_LCD
217 
218 /* Defines for SPL */
219 
220 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
221 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
222 
223 #define CONFIG_SPL_NAND_BASE
224 #define CONFIG_SPL_NAND_DRIVERS
225 #define CONFIG_SPL_NAND_ECC
226 
227 /* NAND boot config */
228 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
229 #define CONFIG_SYS_NAND_PAGE_COUNT	64
230 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
231 #define CONFIG_SYS_NAND_OOBSIZE		64
232 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
233 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
234 /*
235  * Use the ECC/OOB layout from omap_gpmc.h that matches your chip:
236  * SP vs LP, 8bit vs 16bit: GPMC_NAND_HW_ECC_LAYOUT
237  */
238 #define CONFIG_SYS_NAND_ECCPOS		{ 1, 2, 3, 4, 5, 6, 7, 8, 9, \
239 					 10, 11, 12 }
240 #define CONFIG_SYS_NAND_ECCSIZE		512
241 #define CONFIG_SYS_NAND_ECCBYTES	3
242 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
243 
244 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
245 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
246 
247 #define CONFIG_SPL_TEXT_BASE		0x40200800
248 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
249 					 CONFIG_SPL_TEXT_BASE)
250 
251 /*
252  * Use 0x80008000 as TEXT_BASE here for compatibility reasons with the
253  * older x-loader implementations. And move the BSS area so that it
254  * doesn't overlap with TEXT_BASE.
255  */
256 #define CONFIG_SPL_BSS_START_ADDR	0x80100000
257 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
258 
259 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
260 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
261 
262 /* EEPROM */
263 #define CONFIG_ENV_EEPROM_IS_ON_I2C
264 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
265 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
266 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
267 #define CONFIG_SYS_EEPROM_SIZE			256
268 
269 #endif /* __CONFIG_H */
270