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 
12 #include <configs/ti_omap3_common.h>
13 /*
14  * We are only ever GP parts and will utilize all of the "downloaded image"
15  * area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB).
16  */
17 #undef CONFIG_SPL_TEXT_BASE
18 #define CONFIG_SPL_TEXT_BASE		0x40200000
19 
20 #define CONFIG_BCH
21 
22 /* call misc_init_r */
23 #define CONFIG_MISC_INIT_R
24 
25 /* pass the revision tag */
26 #define CONFIG_REVISION_TAG
27 
28 /* override size of malloc() pool */
29 #undef CONFIG_SYS_MALLOC_LEN
30 #define CONFIG_ENV_SIZE		(128 << 10)	/* 128 KiB sector */
31 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands.
32  * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */
33 #define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (128 << 15))
34 
35 /* I2C Support */
36 
37 /* TWL4030 LED */
38 #define CONFIG_TWL4030_LED
39 
40 /* USB EHCI */
41 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	183
42 
43 /* commands to include */
44 
45 #ifdef CONFIG_NAND
46 #define CONFIG_MTD_PARTITIONS	/* required for UBI partition support */
47 
48 /* NAND block size is 128 KiB.  Synchronize these values with
49  * overo_nand_partitions in mach-omap2/board-overo.c in Linux:
50  *  xloader              4 * NAND_BLOCK_SIZE = 512 KiB
51  *  uboot               14 * NAND_BLOCK_SIZE = 1792 KiB
52  *  uboot environtment   2 * NAND_BLOCK_SIZE = 256 KiB
53  *  linux               64 * NAND_BLOCK_SIZE = 8 MiB
54  *  rootfs              remainder
55  */
56 #define MTDIDS_DEFAULT "nand0=omap2-nand.0"
57 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:"	\
58 	"512k(xloader),"				\
59 	"1792k(u-boot),"				\
60 	"256k(environ),"				\
61 	"8m(linux),"					\
62 	"-(rootfs)"
63 #else /* CONFIG_NAND */
64 #define MTDPARTS_DEFAULT
65 #endif /* CONFIG_NAND */
66 
67 /* Board NAND Info. */
68 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
69 							/* to access nand */
70 /* Environment information */
71 #define CONFIG_EXTRA_ENV_SETTINGS \
72 	DEFAULT_LINUX_BOOT_ENV \
73 	"bootdir=/boot\0" \
74 	"bootfile=zImage\0" \
75 	"usbtty=cdc_acm\0" \
76 	"console=ttyO2,115200n8\0" \
77 	"mpurate=auto\0" \
78 	"optargs=\0" \
79 	"vram=12M\0" \
80 	"dvimode=1024x768MR-16@60\0" \
81 	"defaultdisplay=dvi\0" \
82 	"mmcdev=0\0" \
83 	"mmcroot=/dev/mmcblk0p2 rw\0" \
84 	"mmcrootfstype=ext4 rootwait\0" \
85 	"nandroot=ubi0:rootfs ubi.mtd=4\0" \
86 	"nandrootfstype=ubifs\0" \
87 	"mtdparts=" MTDPARTS_DEFAULT "\0" \
88 	"mmcargs=setenv bootargs console=${console} " \
89 		"${optargs} " \
90 		"mpurate=${mpurate} " \
91 		"vram=${vram} " \
92 		"omapfb.mode=dvi:${dvimode} " \
93 		"omapdss.def_disp=${defaultdisplay} " \
94 		"root=${mmcroot} " \
95 		"rootfstype=${mmcrootfstype}\0" \
96 	"nandargs=setenv bootargs console=${console} " \
97 		"${optargs} " \
98 		"mpurate=${mpurate} " \
99 		"vram=${vram} " \
100 		"omapfb.mode=dvi:${dvimode} " \
101 		"omapdss.def_disp=${defaultdisplay} " \
102 		"root=${nandroot} " \
103 		"rootfstype=${nandrootfstype}\0" \
104 	"loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
105 	"bootscript=echo Running boot script from mmc ...; " \
106 		"source ${loadaddr}\0" \
107 	"loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
108 	"importbootenv=echo Importing environment from mmc ...; " \
109 		"env import -t ${loadaddr} ${filesize}\0" \
110 	"loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
111 	"mmcboot=echo Booting from mmc...; " \
112 		"run mmcargs; " \
113 		"bootm ${loadaddr}\0" \
114 	"loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
115 	"loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
116 	"loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \
117 	"loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \
118 	"mmcbootfdt=echo Booting with DT from mmc ...; " \
119 		"run mmcargs; " \
120 		"bootz ${loadaddr} - ${fdtaddr}\0" \
121 	"nandboot=echo Booting from nand ...; " \
122 		"run nandargs; " \
123 		"if nand read ${loadaddr} linux; then " \
124 			"bootm ${loadaddr};" \
125 		"fi;\0" \
126 	"nanddtsboot=echo Booting from nand with DTS...; " \
127 		"run nandargs; " \
128 		"ubi part rootfs; "\
129 		"ubifsmount ubi0:rootfs; "\
130 		"run loadubifdt; "\
131 		"run loadubizimage; "\
132 		"bootz ${loadaddr} - ${fdtaddr}\0" \
133 
134 #define CONFIG_BOOTCOMMAND \
135 	"mmc dev ${mmcdev}; if mmc rescan; then " \
136 		"if run loadbootscript; then " \
137 			"run bootscript; " \
138 		"fi;" \
139 		"if run loadbootenv; then " \
140 			"echo Loaded environment from ${bootenv};" \
141 			"run importbootenv;" \
142 		"fi;" \
143 		"if test -n $uenvcmd; then " \
144 			"echo Running uenvcmd ...;" \
145 			"run uenvcmd;" \
146 		"fi;" \
147 		"if run loaduimage; then " \
148 			"run mmcboot;" \
149 		"fi;" \
150 		"if run loadzimage; then " \
151 			"if test -z \"${fdtfile}\"; then " \
152 				"setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
153 			"fi;" \
154 			"if run loadfdt; then " \
155 				"run mmcbootfdt;" \
156 			"fi;" \
157 		"fi;" \
158 	"fi;" \
159 	"run nandboot; " \
160 	"if test -z \"${fdtfile}\"; then "\
161 		"setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
162 	"fi;" \
163 	"run nanddtsboot; " \
164 
165 /* memtest works on */
166 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
167 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
168 					0x01F00000) /* 31MB */
169 
170 /* FLASH and environment organization */
171 #if defined(CONFIG_NAND)
172 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
173 #endif
174 
175 /* Monitor at start of flash */
176 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
177 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
178 
179 #define ONENAND_ENV_OFFSET		0x240000 /* environment starts here */
180 #define SMNAND_ENV_OFFSET		0x240000 /* environment starts here */
181 
182 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
183 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
184 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
185 
186 /* Configure SMSC9211 ethernet */
187 #if defined(CONFIG_CMD_NET)
188 #define CONFIG_SMC911X
189 #define CONFIG_SMC911X_32_BIT
190 #define CONFIG_SMC911X_BASE		0x2C000000
191 #endif /* (CONFIG_CMD_NET) */
192 
193 /* Initial RAM setup */
194 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
195 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
196 
197 /* NAND boot config */
198 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
199 #define CONFIG_SYS_NAND_MAX_ECCPOS  56
200 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
201 #define CONFIG_SYS_NAND_PAGE_COUNT	64
202 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
203 #define CONFIG_SYS_NAND_OOBSIZE		64
204 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
205 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
206 #define CONFIG_SYS_NAND_ECCPOS      {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
207 					13, 14, 16, 17, 18, 19, 20, 21, 22, \
208 					23, 24, 25, 26, 27, 28, 30, 31, 32, \
209 					33, 34, 35, 36, 37, 38, 39, 40, 41, \
210 					42, 44, 45, 46, 47, 48, 49, 50, 51, \
211 					52, 53, 54, 55, 56}
212 #define CONFIG_SYS_NAND_ECCSIZE		512
213 #define CONFIG_SYS_NAND_ECCBYTES	13
214 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
215 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
216 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
217 /* NAND: SPL falcon mode configs */
218 #ifdef CONFIG_SPL_OS_BOOT
219 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
220 #endif
221 
222 #endif				/* __CONFIG_H */
223