1 /*
2  * Configuration settings for the Gumstix Overo board.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __CONFIG_H
8 #define __CONFIG_H
9 
10 #define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
11 #define CONFIG_NAND
12 
13 #include <configs/ti_omap3_common.h>
14 
15 /* Display CPU and Board information */
16 #define CONFIG_DISPLAY_CPUINFO
17 #define CONFIG_DISPLAY_BOARDINFO
18 
19 /* call misc_init_r */
20 #define CONFIG_MISC_INIT_R
21 
22 /* pass the revision tag */
23 #define CONFIG_REVISION_TAG
24 
25 /* override size of malloc() pool */
26 #undef CONFIG_SYS_MALLOC_LEN
27 #define CONFIG_ENV_SIZE		(128 << 10)	/* 128 KiB sector */
28 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands.
29  * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */
30 #define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (128 << 15))
31 
32 /* I2C Support */
33 #define CONFIG_SYS_I2C_OMAP34XX
34 
35 /* TWL4030 LED */
36 #define CONFIG_TWL4030_LED
37 
38 /* Initialize GPIOs by default */
39 #define CONFIG_OMAP3_GPIO_2	/* GPIO32..63 is in GPIO Bank 2 */
40 #define CONFIG_OMAP3_GPIO_3	/* GPIO64..95 is in GPIO Bank 3 */
41 #define CONFIG_OMAP3_GPIO_4	/* GPIO96..127 is in GPIO Bank 4 */
42 #define CONFIG_OMAP3_GPIO_5	/* GPIO128..159 is in GPIO Bank 5 */
43 #define CONFIG_OMAP3_GPIO_6	/* GPIO160..191 is in GPIO Bank 6 */
44 
45 /* commands to include */
46 #define CONFIG_CMD_CACHE
47 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
48 #undef CONFIG_CMD_IMI		/* iminfo			*/
49 #undef CONFIG_CMD_NFS		/* NFS support			*/
50 
51 #ifdef CONFIG_NAND
52 #define CONFIG_CMD_UBI		/* UBI-formated MTD partition support */
53 #define CONFIG_CMD_UBIFS	/* Read-only UBI volume operations */
54 
55 #define CONFIG_RBTREE		/* required by CONFIG_CMD_UBI */
56 #define CONFIG_LZO		/* required by CONFIG_CMD_UBIFS */
57 
58 #define CONFIG_MTD_PARTITIONS	/* required for UBI partition support */
59 
60 /* NAND block size is 128 KiB.  Synchronize these values with
61  * overo_nand_partitions in mach-omap2/board-overo.c in Linux:
62  *  xloader              4 * NAND_BLOCK_SIZE = 512 KiB
63  *  uboot               14 * NAND_BLOCK_SIZE = 1792 KiB
64  *  uboot environtment   2 * NAND_BLOCK_SIZE = 256 KiB
65  *  linux               64 * NAND_BLOCK_SIZE = 8 MiB
66  *  rootfs              remainder
67  */
68 #define MTDIDS_DEFAULT "nand0=omap2-nand.0"
69 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:"	\
70 	"512k(xloader),"				\
71 	"1792k(u-boot),"				\
72 	"256k(environ),"				\
73 	"8m(linux),"					\
74 	"-(rootfs)"
75 #else /* CONFIG_NAND */
76 #define MTDPARTS_DEFAULT
77 #endif /* CONFIG_NAND */
78 
79 /* Board NAND Info. */
80 #define CONFIG_SYS_NAND_QUIET_TEST
81 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
82 							/* to access nand */
83 /* Environment information */
84 #define CONFIG_EXTRA_ENV_SETTINGS \
85 	DEFAULT_LINUX_BOOT_ENV \
86 	"bootdir=/boot\0" \
87 	"bootfile=zImage\0" \
88 	"usbtty=cdc_acm\0" \
89 	"console=ttyO2,115200n8\0" \
90 	"mpurate=auto\0" \
91 	"optargs=\0" \
92 	"vram=12M\0" \
93 	"dvimode=1024x768MR-16@60\0" \
94 	"defaultdisplay=dvi\0" \
95 	"mmcdev=0\0" \
96 	"mmcroot=/dev/mmcblk0p2 rw\0" \
97 	"mmcrootfstype=ext3 rootwait\0" \
98 	"nandroot=ubi0:rootfs ubi.mtd=4\0" \
99 	"nandrootfstype=ubifs\0" \
100 	"mtdparts=" MTDPARTS_DEFAULT "\0" \
101 	"mmcargs=setenv bootargs console=${console} " \
102 		"${optargs} " \
103 		"mpurate=${mpurate} " \
104 		"vram=${vram} " \
105 		"omapfb.mode=dvi:${dvimode} " \
106 		"omapdss.def_disp=${defaultdisplay} " \
107 		"root=${mmcroot} " \
108 		"rootfstype=${mmcrootfstype}\0" \
109 	"nandargs=setenv bootargs console=${console} " \
110 		"${optargs} " \
111 		"mpurate=${mpurate} " \
112 		"vram=${vram} " \
113 		"omapfb.mode=dvi:${dvimode} " \
114 		"omapdss.def_disp=${defaultdisplay} " \
115 		"root=${nandroot} " \
116 		"rootfstype=${nandrootfstype}\0" \
117 	"loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
118 	"bootscript=echo Running boot script from mmc ...; " \
119 		"source ${loadaddr}\0" \
120 	"loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
121 	"importbootenv=echo Importing environment from mmc ...; " \
122 		"env import -t ${loadaddr} ${filesize}\0" \
123 	"loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
124 	"mmcboot=echo Booting from mmc...; " \
125 		"run mmcargs; " \
126 		"bootm ${loadaddr}\0" \
127 	"loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
128 	"loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
129 	"mmcbootfdt=echo Booting with DT from mmc ...; " \
130 		"run mmcargs; " \
131 		"bootz ${loadaddr} - ${fdtaddr}\0" \
132 	"nandboot=echo Booting from nand ...; " \
133 		"run nandargs; " \
134 		"nand read ${loadaddr} linux; " \
135 		"bootm ${loadaddr}\0" \
136 
137 #define CONFIG_BOOTCOMMAND \
138 	"mmc dev ${mmcdev}; if mmc rescan; then " \
139 		"if run loadbootscript; then " \
140 			"run bootscript; " \
141 		"fi;" \
142 		"if run loadbootenv; then " \
143 			"echo Loaded environment from ${bootenv};" \
144 			"run importbootenv;" \
145 		"fi;" \
146 		"if test -n $uenvcmd; then " \
147 			"echo Running uenvcmd ...;" \
148 			"run uenvcmd;" \
149 		"fi;" \
150 		"if run loaduimage; then " \
151 			"run mmcboot;" \
152 		"fi;" \
153 		"if run loadzimage; then " \
154 			"if test -z \"${fdtfile}\"; then " \
155 				"setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
156 			"fi;" \
157 			"if run loadfdt; then " \
158 				"run mmcbootfdt;" \
159 			"fi;" \
160 		"fi;" \
161 	"fi;" \
162 	"run nandboot; " \
163 
164 /*
165  * Miscellaneous configurable options
166  */
167 #undef CONFIG_SYS_PROMPT
168 #define CONFIG_SYS_PROMPT		"Overo # "
169 
170 /* memtest works on */
171 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
172 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
173 					0x01F00000) /* 31MB */
174 
175 /* FLASH and environment organization */
176 #if defined(CONFIG_NAND)
177 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
178 #endif
179 
180 /* Monitor at start of flash */
181 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
182 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
183 
184 #define CONFIG_ENV_IS_IN_NAND
185 #define ONENAND_ENV_OFFSET		0x240000 /* environment starts here */
186 #define SMNAND_ENV_OFFSET		0x240000 /* environment starts here */
187 
188 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
189 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
190 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
191 
192 /* Configure SMSC9211 ethernet */
193 #if defined(CONFIG_CMD_NET)
194 #define CONFIG_SMC911X
195 #define CONFIG_SMC911X_32_BIT
196 #define CONFIG_SMC911X_BASE		0x2C000000
197 #endif /* (CONFIG_CMD_NET) */
198 
199 /* Initial RAM setup */
200 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
201 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
202 #define CONFIG_SYS_CACHELINE_SIZE	64
203 
204 /* NAND boot config */
205 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT	16
206 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
207 #define CONFIG_SYS_NAND_PAGE_COUNT	64
208 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
209 #define CONFIG_SYS_NAND_OOBSIZE		64
210 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
211 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
212 #define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
213 						10, 11, 12, 13}
214 #define CONFIG_SYS_NAND_ECCSIZE		512
215 #define CONFIG_SYS_NAND_ECCBYTES	3
216 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
217 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
218 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
219 /* NAND: SPL falcon mode configs */
220 #ifdef CONFIG_SPL_OS_BOOT
221 #define CONFIG_CMD_SPL_NAND_OFS		0x240000
222 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
223 #define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
224 #endif
225 
226 #endif				/* __CONFIG_H */
227