1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Configuration settings for the Gumstix Overo board.
9 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
11 #include <configs/ti_omap3_common.h>
13 * We are only ever GP parts and will utilize all of the "downloaded image"
14 * area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB).
16 #undef CONFIG_SPL_TEXT_BASE
17 #define CONFIG_SPL_TEXT_BASE 0x40200000
19 /* call misc_init_r */
20 #define CONFIG_MISC_INIT_R
22 /* pass the revision tag */
23 #define CONFIG_REVISION_TAG
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))
35 #define CONFIG_TWL4030_LED
38 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183
40 /* commands to include */
43 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */
45 /* NAND block size is 128 KiB. Synchronize these values with
46 * overo_nand_partitions in mach-omap2/board-overo.c in Linux:
47 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB
48 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB
49 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB
50 * linux 64 * NAND_BLOCK_SIZE = 8 MiB
53 #endif /* CONFIG_NAND */
55 /* Board NAND Info. */
56 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
58 /* Environment information */
59 #define CONFIG_EXTRA_ENV_SETTINGS \
60 DEFAULT_LINUX_BOOT_ENV \
64 "console=ttyO2,115200n8\0" \
68 "dvimode=1024x768MR-16@60\0" \
69 "defaultdisplay=dvi\0" \
71 "mmcroot=/dev/mmcblk0p2 rw\0" \
72 "mmcrootfstype=ext4 rootwait\0" \
73 "nandroot=ubi0:rootfs ubi.mtd=4\0" \
74 "nandrootfstype=ubifs\0" \
75 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
76 "mmcargs=setenv bootargs console=${console} " \
78 "mpurate=${mpurate} " \
80 "omapfb.mode=dvi:${dvimode} " \
81 "omapdss.def_disp=${defaultdisplay} " \
83 "rootfstype=${mmcrootfstype}\0" \
84 "nandargs=setenv bootargs console=${console} " \
86 "mpurate=${mpurate} " \
88 "omapfb.mode=dvi:${dvimode} " \
89 "omapdss.def_disp=${defaultdisplay} " \
91 "rootfstype=${nandrootfstype}\0" \
92 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
93 "bootscript=echo Running boot script from mmc ...; " \
94 "source ${loadaddr}\0" \
95 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
96 "importbootenv=echo Importing environment from mmc ...; " \
97 "env import -t ${loadaddr} ${filesize}\0" \
98 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
99 "mmcboot=echo Booting from mmc...; " \
101 "bootm ${loadaddr}\0" \
102 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
103 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
104 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \
105 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \
106 "mmcbootfdt=echo Booting with DT from mmc ...; " \
108 "bootz ${loadaddr} - ${fdtaddr}\0" \
109 "nandboot=echo Booting from nand ...; " \
111 "if nand read ${loadaddr} linux; then " \
112 "bootm ${loadaddr};" \
114 "nanddtsboot=echo Booting from nand with DTS...; " \
117 "ubifsmount ubi0:rootfs; "\
119 "run loadubizimage; "\
120 "bootz ${loadaddr} - ${fdtaddr}\0" \
122 #define CONFIG_BOOTCOMMAND \
123 "mmc dev ${mmcdev}; if mmc rescan; then " \
124 "if run loadbootscript; then " \
127 "if run loadbootenv; then " \
128 "echo Loaded environment from ${bootenv};" \
129 "run importbootenv;" \
131 "if test -n $uenvcmd; then " \
132 "echo Running uenvcmd ...;" \
135 "if run loaduimage; then " \
138 "if run loadzimage; then " \
139 "if test -z \"${fdtfile}\"; then " \
140 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
142 "if run loadfdt; then " \
148 "if test -z \"${fdtfile}\"; then "\
149 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
151 "run nanddtsboot; " \
153 /* memtest works on */
154 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
155 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
156 0x01F00000) /* 31MB */
158 /* FLASH and environment organization */
159 #if defined(CONFIG_NAND)
160 #define CONFIG_SYS_FLASH_BASE NAND_BASE
163 /* Monitor at start of flash */
164 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
165 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
167 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
168 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
169 #define CONFIG_ENV_OFFSET 0x240000
170 #define CONFIG_ENV_ADDR 0x240000
172 /* Initial RAM setup */
173 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
174 #define CONFIG_SYS_INIT_RAM_SIZE 0x800
176 /* NAND boot config */
177 #define CONFIG_SYS_NAND_MAX_ECCPOS 56
178 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
179 #define CONFIG_SYS_NAND_PAGE_COUNT 64
180 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
181 #define CONFIG_SYS_NAND_OOBSIZE 64
182 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
183 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
184 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
185 13, 14, 16, 17, 18, 19, 20, 21, 22, \
186 23, 24, 25, 26, 27, 28, 30, 31, 32, \
187 33, 34, 35, 36, 37, 38, 39, 40, 41, \
188 42, 44, 45, 46, 47, 48, 49, 50, 51, \
190 #define CONFIG_SYS_NAND_ECCSIZE 512
191 #define CONFIG_SYS_NAND_ECCBYTES 13
192 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
193 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
194 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
195 /* NAND: SPL falcon mode configs */
196 #ifdef CONFIG_SPL_OS_BOOT
197 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
200 #endif /* __CONFIG_H */