xref: /openbmc/u-boot/include/configs/cm_t35.h (revision 719afeb0)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2011 CompuLab, Ltd.
4  * Mike Rapoport <mike@compulab.co.il>
5  * Igor Grinberg <grinberg@compulab.co.il>
6  *
7  * Based on omap3_beagle.h
8  * (C) Copyright 2006-2008
9  * Texas Instruments.
10  * Richard Woodruff <r-woodruff2@ti.com>
11  * Syed Mohammed Khasim <x0khasim@ti.com>
12  *
13  * Configuration settings for the CompuLab CM-T35 and CM-T3730 boards
14  */
15 
16 #ifndef __CONFIG_H
17 #define __CONFIG_H
18 
19 #define CONFIG_SYS_CACHELINE_SIZE	64
20 
21 /*
22  * High Level Configuration Options
23  */
24 #define CONFIG_CM_T3X	/* working with CM-T35 and CM-T3730 */
25 
26 #include <asm/arch/cpu.h>		/* get chip and board defs */
27 #include <asm/arch/omap.h>
28 
29 /* Clock Defines */
30 #define V_OSCK			26000000	/* Clock output from T2 */
31 #define V_SCLK			(V_OSCK >> 1)
32 
33 #define CONFIG_MISC_INIT_R
34 
35 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
36 #define CONFIG_SETUP_MEMORY_TAGS
37 #define CONFIG_INITRD_TAG
38 #define CONFIG_REVISION_TAG
39 #define CONFIG_SERIAL_TAG
40 
41 /*
42  * Size of malloc() pool
43  */
44 #define CONFIG_ENV_SIZE		(16 << 10)	/* 16 KiB */
45 					/* Sector */
46 #define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (128 << 10))
47 
48 /*
49  * Hardware drivers
50  */
51 
52 /*
53  * NS16550 Configuration
54  */
55 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
56 
57 #define CONFIG_SYS_NS16550_SERIAL
58 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
59 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
60 
61 /*
62  * select serial console configuration
63  */
64 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
65 #define CONFIG_SERIAL3			3	/* UART3 */
66 
67 /* allow to overwrite serial and ethaddr */
68 #define CONFIG_ENV_OVERWRITE
69 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
70 					115200}
71 
72 /* USB device configuration */
73 #define CONFIG_USB_DEVICE
74 #define CONFIG_USB_TTY
75 
76 /* commands to include */
77 
78 #define CONFIG_SYS_I2C
79 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
80 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
81 #define CONFIG_SYS_I2C_EEPROM_BUS	0
82 #define CONFIG_I2C_MULTI_BUS
83 
84 /*
85  * TWL4030
86  */
87 #define CONFIG_TWL4030_LED
88 
89 /*
90  * Board NAND Info.
91  */
92 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
93 							/* to access nand at */
94 							/* CS0 */
95 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
96 							/* devices */
97 
98 /* Environment information */
99 #define CONFIG_EXTRA_ENV_SETTINGS \
100 	"loadaddr=0x82000000\0" \
101 	"usbtty=cdc_acm\0" \
102 	"console=ttyO2,115200n8\0" \
103 	"mpurate=500\0" \
104 	"vram=12M\0" \
105 	"dvimode=1024x768MR-16@60\0" \
106 	"defaultdisplay=dvi\0" \
107 	"mmcdev=0\0" \
108 	"mmcroot=/dev/mmcblk0p2 rw\0" \
109 	"mmcrootfstype=ext4 rootwait\0" \
110 	"nandroot=/dev/mtdblock4 rw\0" \
111 	"nandrootfstype=ubifs\0" \
112 	"mmcargs=setenv bootargs console=${console} " \
113 		"mpurate=${mpurate} " \
114 		"vram=${vram} " \
115 		"omapfb.mode=dvi:${dvimode} " \
116 		"omapdss.def_disp=${defaultdisplay} " \
117 		"root=${mmcroot} " \
118 		"rootfstype=${mmcrootfstype}\0" \
119 	"nandargs=setenv bootargs console=${console} " \
120 		"mpurate=${mpurate} " \
121 		"vram=${vram} " \
122 		"omapfb.mode=dvi:${dvimode} " \
123 		"omapdss.def_disp=${defaultdisplay} " \
124 		"root=${nandroot} " \
125 		"rootfstype=${nandrootfstype}\0" \
126 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
127 	"bootscript=echo Running bootscript from mmc ...; " \
128 		"source ${loadaddr}\0" \
129 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
130 	"mmcboot=echo Booting from mmc ...; " \
131 		"run mmcargs; " \
132 		"bootm ${loadaddr}\0" \
133 	"nandboot=echo Booting from nand ...; " \
134 		"run nandargs; " \
135 		"nand read ${loadaddr} 2a0000 400000; " \
136 		"bootm ${loadaddr}\0" \
137 
138 #define CONFIG_BOOTCOMMAND \
139 	"mmc dev ${mmcdev}; if mmc rescan; then " \
140 		"if run loadbootscript; then " \
141 			"run bootscript; " \
142 		"else " \
143 			"if run loaduimage; then " \
144 				"run mmcboot; " \
145 			"else run nandboot; " \
146 			"fi; " \
147 		"fi; " \
148 	"else run nandboot; fi"
149 
150 /*
151  * Miscellaneous configurable options
152  */
153 #define CONFIG_TIMESTAMP
154 #define CONFIG_SYS_AUTOLOAD		"no"
155 
156 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
157 								/* works on */
158 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
159 					0x01F00000) /* 31MB */
160 
161 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
162 							/* load address */
163 
164 /*
165  * OMAP3 has 12 GP timers, they can be driven by the system clock
166  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
167  * This rate is divided by a local divisor.
168  */
169 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
170 #define CONFIG_SYS_PTV			2       /* Divisor: 2^(PTV+1) => 8 */
171 
172 /*-----------------------------------------------------------------------
173  * Physical Memory Map
174  */
175 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
176 
177 /*-----------------------------------------------------------------------
178  * FLASH and environment organization
179  */
180 
181 /* **** PISMO SUPPORT *** */
182 /* Monitor at start of flash */
183 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
184 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
185 
186 #define CONFIG_ENV_OFFSET		0x260000
187 #define CONFIG_ENV_ADDR			0x260000
188 
189 /* additions for new relocation code, must be added to all boards */
190 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
191 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
192 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
193 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR +	\
194 					 CONFIG_SYS_INIT_RAM_SIZE -	\
195 					 GENERATED_GBL_DATA_SIZE)
196 
197 /* Status LED */
198 #define GREEN_LED_GPIO			186 /* CM-T35 Green LED is GPIO186 */
199 
200 #define CONFIG_SPLASHIMAGE_GUARD
201 
202 /* Display Configuration */
203 #define CONFIG_VIDEO_OMAP3
204 #define LCD_BPP		LCD_COLOR16
205 
206 #define CONFIG_SPLASH_SCREEN
207 #define CONFIG_SPLASH_SOURCE
208 #define CONFIG_BMP_16BPP
209 #define CONFIG_SCF0403_LCD
210 
211 /* Defines for SPL */
212 
213 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
214 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
215 
216 #define CONFIG_SPL_NAND_BASE
217 #define CONFIG_SPL_NAND_DRIVERS
218 #define CONFIG_SPL_NAND_ECC
219 
220 /* NAND boot config */
221 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
222 #define CONFIG_SYS_NAND_PAGE_COUNT	64
223 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
224 #define CONFIG_SYS_NAND_OOBSIZE		64
225 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
226 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
227 /*
228  * Use the ECC/OOB layout from omap_gpmc.h that matches your chip:
229  * SP vs LP, 8bit vs 16bit: GPMC_NAND_HW_ECC_LAYOUT
230  */
231 #define CONFIG_SYS_NAND_ECCPOS		{ 1, 2, 3, 4, 5, 6, 7, 8, 9, \
232 					 10, 11, 12 }
233 #define CONFIG_SYS_NAND_ECCSIZE		512
234 #define CONFIG_SYS_NAND_ECCBYTES	3
235 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
236 
237 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
238 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
239 
240 #define CONFIG_SPL_TEXT_BASE		0x40200800
241 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
242 					 CONFIG_SPL_TEXT_BASE)
243 
244 /*
245  * Use 0x80008000 as TEXT_BASE here for compatibility reasons with the
246  * older x-loader implementations. And move the BSS area so that it
247  * doesn't overlap with TEXT_BASE.
248  */
249 #define CONFIG_SPL_BSS_START_ADDR	0x80100000
250 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
251 
252 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
253 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
254 
255 /* EEPROM */
256 #define CONFIG_ENV_EEPROM_IS_ON_I2C
257 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
258 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
259 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
260 #define CONFIG_SYS_EEPROM_SIZE			256
261 
262 #endif /* __CONFIG_H */
263