1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Configuration settings for the TechNexion TAO-3530 SOM
4  * equipped on Thunder baseboard.
5  *
6  * Edward Lin <linuxfae@technexion.com>
7  * Tapani Utriainen <linuxfae@technexion.com>
8  *
9  * Copyright (C) 2013 Stefan Roese <sr@denx.de>
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
27 #define CONFIG_SETUP_MEMORY_TAGS
28 #define CONFIG_INITRD_TAG
29 #define CONFIG_REVISION_TAG
30 
31 /*
32  * Size of malloc() pool
33  */
34 #define CONFIG_SYS_MALLOC_LEN		(4 << 20)
35 
36 /*
37  * Hardware drivers
38  */
39 
40 /*
41  * NS16550 Configuration
42  */
43 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */
44 
45 #define CONFIG_SYS_NS16550_SERIAL
46 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
47 #define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK
48 
49 /*
50  * select serial console configuration
51  */
52 #define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3
53 
54 /* commands to include */
55 
56 #define CONFIG_SYS_I2C
57 #define CONFIG_I2C_MULTI_BUS
58 
59 /*
60  * TWL4030
61  */
62 
63 /*
64  * Board NAND Info.
65  */
66 #define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
67 							/* to access nand at */
68 							/* CS0 */
69 
70 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
71 							/* devices */
72 /* Environment information */
73 
74 #define CONFIG_EXTRA_ENV_SETTINGS \
75 	"loadaddr=0x82000000\0" \
76 	"console=ttyO2,115200n8\0" \
77 	"mpurate=600\0" \
78 	"dvi_mode=omapfb.mode=dvi:1280x720-24@60\0" \
79 	"tv_mode=omapfb.mode=tv:ntsc\0" \
80 	"video_mode=omapdss.def_disp=lcd vram=6M omapfb.vram=0:2M,1:2M,2:2M\0" \
81 	"lcd_mode=omapfb.mode=lcd:800x480@60 \0" \
82 	"extra_options= \0" \
83 	"mmcdev=0\0" \
84 	"mmcroot=/dev/mmcblk0p2 rw\0" \
85 	"mmcrootfstype=ext3 rootwait\0" \
86 	"nandroot=ubi0:rootfs ubi.mtd=4\0" \
87 	"nandrootfstype=ubifs\0" \
88 	"mmcargs=setenv bootargs console=${console} " \
89 		"mpurate=${mpurate} " \
90 		"${video_mode} " \
91 		"root=${mmcroot} " \
92 		"rootfstype=${mmcrootfstype} " \
93 		"${extra_options}\0" \
94 	"nandargs=setenv bootargs console=${console} " \
95 		"mpurate=${mpurate} " \
96 		"${video_mode} " \
97 		"${network_setting} " \
98 		"root=${nandroot} " \
99 		"rootfstype=${nandrootfstype} "\
100 		"${extra_options}\0" \
101 	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
102 	"bootscript=echo Running bootscript from mmc ...; " \
103 		"source ${loadaddr}\0" \
104 	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
105 	"mmcboot=echo Booting from mmc ...; " \
106 		"run mmcargs; " \
107 		"bootm ${loadaddr}\0" \
108 	"nandboot=echo Booting from nand ...; " \
109 		"run nandargs; " \
110 		"nand read ${loadaddr} 280000 400000; " \
111 		"bootm ${loadaddr}\0" \
112 
113 #define CONFIG_BOOTCOMMAND \
114 	"mmc dev ${mmcdev}; if mmc rescan; then " \
115 		"if run loadbootscript; then " \
116 			"run bootscript; " \
117 		"else " \
118 			"if run loaduimage; then " \
119 				"run mmcboot; " \
120 			"else run nandboot; " \
121 			"fi; " \
122 		"fi; " \
123 	"else run nandboot; fi"
124 
125 /*
126  * Miscellaneous configurable options
127  */
128 
129 /* turn on command-line edit/hist/auto */
130 
131 								/* defaults */
132 
133 #define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
134 							/* load address */
135 
136 /*
137  * OMAP3 has 12 GP timers, they can be driven by the system clock
138  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
139  * This rate is divided by a local divisor.
140  */
141 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
142 #define CONFIG_SYS_PTV			2       /* Divisor: 2^(PTV+1) => 8 */
143 
144 /*
145  * Physical Memory Map
146  */
147 #define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
148 #define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
149 #define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1
150 
151 /*
152  * FLASH and environment organization
153  */
154 
155 /* **** PISMO SUPPORT *** */
156 #define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
157 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
158 
159 /* Monitor at start of flash */
160 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
161 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
162 
163 #define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
164 
165 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)
166 
167 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
168 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
169 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
170 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
171 					 CONFIG_SYS_INIT_RAM_SIZE - \
172 					 GENERATED_GBL_DATA_SIZE)
173 
174 /*
175  * USB
176  *
177  * Currently only EHCI is enabled, the MUSB OTG controller
178  * is not enabled.
179  */
180 
181 /* USB EHCI */
182 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	162
183 
184 /* Defines for SPL */
185 
186 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"
187 
188 /* NAND boot config */
189 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
190 #define CONFIG_SYS_NAND_PAGE_COUNT	64
191 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
192 #define CONFIG_SYS_NAND_OOBSIZE		64
193 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)
194 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
195 /*
196  * Use the ECC/OOB layout from omap_gpmc.h that matches your chip:
197  * SP vs LP, 8bit vs 16bit: GPMC_NAND_HW_ECC_LAYOUT
198  */
199 #define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
200 					 10, 11, 12, 13 }
201 #define CONFIG_SYS_NAND_ECCSIZE		512
202 #define CONFIG_SYS_NAND_ECCBYTES	3
203 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
204 
205 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
206 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
207 
208 #define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
209 					 CONFIG_SPL_TEXT_BASE)
210 
211 /*
212  * Use 0x80008000 as TEXT_BASE here for compatibility reasons with the
213  * older x-loader implementations. And move the BSS area so that it
214  * doesn't overlap with TEXT_BASE.
215  */
216 #define CONFIG_SPL_BSS_START_ADDR	0x80100000
217 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
218 
219 #define CONFIG_SYS_SPL_MALLOC_START	0x80208000
220 #define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
221 
222 #endif /* __CONFIG_H */
223