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  * We are only ever GP parts and will utilize all of the "downloaded image"
16  * area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB).
17  */
18 #undef CONFIG_SPL_TEXT_BASE
19 #define CONFIG_SPL_TEXT_BASE		0x40200000
20 
21 #define CONFIG_BCH
22 
23 /* Display CPU and Board information */
24 #define CONFIG_DISPLAY_CPUINFO
25 #define CONFIG_DISPLAY_BOARDINFO
26 
27 /* call misc_init_r */
28 #define CONFIG_MISC_INIT_R
29 
30 /* pass the revision tag */
31 #define CONFIG_REVISION_TAG
32 
33 /* override size of malloc() pool */
34 #undef CONFIG_SYS_MALLOC_LEN
35 #define CONFIG_ENV_SIZE		(128 << 10)	/* 128 KiB sector */
36 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands.
37  * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */
38 #define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (128 << 15))
39 
40 /* I2C Support */
41 #define CONFIG_SYS_I2C_OMAP34XX
42 
43 /* TWL4030 LED */
44 #define CONFIG_TWL4030_LED
45 
46 /* USB EHCI */
47 #define CONFIG_USB_EHCI
48 #define CONFIG_USB_EHCI_OMAP
49 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	183
50 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
51 
52 /* Initialize GPIOs by default */
53 #define CONFIG_OMAP3_GPIO_2	/* GPIO32..63 is in GPIO Bank 2 */
54 #define CONFIG_OMAP3_GPIO_3	/* GPIO64..95 is in GPIO Bank 3 */
55 #define CONFIG_OMAP3_GPIO_4	/* GPIO96..127 is in GPIO Bank 4 */
56 #define CONFIG_OMAP3_GPIO_5	/* GPIO128..159 is in GPIO Bank 5 */
57 #define CONFIG_OMAP3_GPIO_6	/* GPIO160..191 is in GPIO Bank 6 */
58 
59 /* commands to include */
60 
61 #ifdef CONFIG_NAND
62 #define CONFIG_CMD_UBIFS	/* Read-only UBI volume operations */
63 
64 #define CONFIG_RBTREE		/* required by CONFIG_CMD_UBI */
65 #define CONFIG_LZO		/* required by CONFIG_CMD_UBIFS */
66 
67 #define CONFIG_MTD_PARTITIONS	/* required for UBI partition support */
68 
69 /* NAND block size is 128 KiB.  Synchronize these values with
70  * overo_nand_partitions in mach-omap2/board-overo.c in Linux:
71  *  xloader              4 * NAND_BLOCK_SIZE = 512 KiB
72  *  uboot               14 * NAND_BLOCK_SIZE = 1792 KiB
73  *  uboot environtment   2 * NAND_BLOCK_SIZE = 256 KiB
74  *  linux               64 * NAND_BLOCK_SIZE = 8 MiB
75  *  rootfs              remainder
76  */
77 #define MTDIDS_DEFAULT "nand0=omap2-nand.0"
78 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:"	\
79 	"512k(xloader),"				\
80 	"1792k(u-boot),"				\
81 	"256k(environ),"				\
82 	"8m(linux),"					\
83 	"-(rootfs)"
84 #else /* CONFIG_NAND */
85 #define MTDPARTS_DEFAULT
86 #endif /* CONFIG_NAND */
87 
88 /* Board NAND Info. */
89 #define CONFIG_SYS_NAND_ADDR		NAND_BASE	/* physical address */
90 							/* to access nand */
91 /* Environment information */
92 #define CONFIG_EXTRA_ENV_SETTINGS \
93 	DEFAULT_LINUX_BOOT_ENV \
94 	"bootdir=/boot\0" \
95 	"bootfile=zImage\0" \
96 	"usbtty=cdc_acm\0" \
97 	"console=ttyO2,115200n8\0" \
98 	"mpurate=auto\0" \
99 	"optargs=\0" \
100 	"vram=12M\0" \
101 	"dvimode=1024x768MR-16@60\0" \
102 	"defaultdisplay=dvi\0" \
103 	"mmcdev=0\0" \
104 	"mmcroot=/dev/mmcblk0p2 rw\0" \
105 	"mmcrootfstype=ext4 rootwait\0" \
106 	"nandroot=ubi0:rootfs ubi.mtd=4\0" \
107 	"nandrootfstype=ubifs\0" \
108 	"mtdparts=" MTDPARTS_DEFAULT "\0" \
109 	"mmcargs=setenv bootargs console=${console} " \
110 		"${optargs} " \
111 		"mpurate=${mpurate} " \
112 		"vram=${vram} " \
113 		"omapfb.mode=dvi:${dvimode} " \
114 		"omapdss.def_disp=${defaultdisplay} " \
115 		"root=${mmcroot} " \
116 		"rootfstype=${mmcrootfstype}\0" \
117 	"nandargs=setenv bootargs console=${console} " \
118 		"${optargs} " \
119 		"mpurate=${mpurate} " \
120 		"vram=${vram} " \
121 		"omapfb.mode=dvi:${dvimode} " \
122 		"omapdss.def_disp=${defaultdisplay} " \
123 		"root=${nandroot} " \
124 		"rootfstype=${nandrootfstype}\0" \
125 	"loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
126 	"bootscript=echo Running boot script from mmc ...; " \
127 		"source ${loadaddr}\0" \
128 	"loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
129 	"importbootenv=echo Importing environment from mmc ...; " \
130 		"env import -t ${loadaddr} ${filesize}\0" \
131 	"loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
132 	"mmcboot=echo Booting from mmc...; " \
133 		"run mmcargs; " \
134 		"bootm ${loadaddr}\0" \
135 	"loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
136 	"loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
137 	"loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \
138 	"loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \
139 	"mmcbootfdt=echo Booting with DT from mmc ...; " \
140 		"run mmcargs; " \
141 		"bootz ${loadaddr} - ${fdtaddr}\0" \
142 	"nandboot=echo Booting from nand ...; " \
143 		"run nandargs; " \
144 		"if nand read ${loadaddr} linux; then " \
145 			"bootm ${loadaddr};" \
146 		"fi;\0" \
147 	"nanddtsboot=echo Booting from nand with DTS...; " \
148 		"run nandargs; " \
149 		"ubi part rootfs; "\
150 		"ubifsmount ubi0:rootfs; "\
151 		"run loadubifdt; "\
152 		"run loadubizimage; "\
153 		"bootz ${loadaddr} - ${fdtaddr}\0" \
154 
155 #define CONFIG_BOOTCOMMAND \
156 	"mmc dev ${mmcdev}; if mmc rescan; then " \
157 		"if run loadbootscript; then " \
158 			"run bootscript; " \
159 		"fi;" \
160 		"if run loadbootenv; then " \
161 			"echo Loaded environment from ${bootenv};" \
162 			"run importbootenv;" \
163 		"fi;" \
164 		"if test -n $uenvcmd; then " \
165 			"echo Running uenvcmd ...;" \
166 			"run uenvcmd;" \
167 		"fi;" \
168 		"if run loaduimage; then " \
169 			"run mmcboot;" \
170 		"fi;" \
171 		"if run loadzimage; then " \
172 			"if test -z \"${fdtfile}\"; then " \
173 				"setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
174 			"fi;" \
175 			"if run loadfdt; then " \
176 				"run mmcbootfdt;" \
177 			"fi;" \
178 		"fi;" \
179 	"fi;" \
180 	"run nandboot; " \
181 	"if test -z \"${fdtfile}\"; then "\
182 		"setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
183 	"fi;" \
184 	"run nanddtsboot; " \
185 
186 /* memtest works on */
187 #define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)
188 #define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
189 					0x01F00000) /* 31MB */
190 
191 /* FLASH and environment organization */
192 #if defined(CONFIG_NAND)
193 #define CONFIG_SYS_FLASH_BASE		NAND_BASE
194 #endif
195 
196 /* Monitor at start of flash */
197 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
198 #define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
199 
200 #define CONFIG_ENV_IS_IN_NAND
201 #define ONENAND_ENV_OFFSET		0x240000 /* environment starts here */
202 #define SMNAND_ENV_OFFSET		0x240000 /* environment starts here */
203 
204 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
205 #define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
206 #define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
207 
208 /* Configure SMSC9211 ethernet */
209 #if defined(CONFIG_CMD_NET)
210 #define CONFIG_SMC911X
211 #define CONFIG_SMC911X_32_BIT
212 #define CONFIG_SMC911X_BASE		0x2C000000
213 #endif /* (CONFIG_CMD_NET) */
214 
215 /* Initial RAM setup */
216 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
217 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
218 
219 /* NAND boot config */
220 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
221 #define CONFIG_SYS_NAND_MAX_ECCPOS  56
222 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
223 #define CONFIG_SYS_NAND_PAGE_COUNT	64
224 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
225 #define CONFIG_SYS_NAND_OOBSIZE		64
226 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
227 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
228 #define CONFIG_SYS_NAND_ECCPOS      {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
229 					13, 14, 16, 17, 18, 19, 20, 21, 22, \
230 					23, 24, 25, 26, 27, 28, 30, 31, 32, \
231 					33, 34, 35, 36, 37, 38, 39, 40, 41, \
232 					42, 44, 45, 46, 47, 48, 49, 50, 51, \
233 					52, 53, 54, 55, 56}
234 #define CONFIG_SYS_NAND_ECCSIZE		512
235 #define CONFIG_SYS_NAND_ECCBYTES	13
236 #define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
237 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
238 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
239 /* NAND: SPL falcon mode configs */
240 #ifdef CONFIG_SPL_OS_BOOT
241 #define CONFIG_CMD_SPL_NAND_OFS		0x240000
242 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
243 #define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
244 #endif
245 
246 #endif				/* __CONFIG_H */
247