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 /* NAND block size is 128 KiB. Synchronize these values with
44 * overo_nand_partitions in mach-omap2/board-overo.c in Linux:
45 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB
46 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB
47 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB
48 * linux 64 * NAND_BLOCK_SIZE = 8 MiB
51 #endif /* CONFIG_NAND */
53 /* Board NAND Info. */
54 /* Environment information */
55 #define CONFIG_EXTRA_ENV_SETTINGS \
56 DEFAULT_LINUX_BOOT_ENV \
60 "console=ttyO2,115200n8\0" \
64 "dvimode=1024x768MR-16@60\0" \
65 "defaultdisplay=dvi\0" \
67 "mmcroot=/dev/mmcblk0p2 rw\0" \
68 "mmcrootfstype=ext4 rootwait\0" \
69 "nandroot=ubi0:rootfs ubi.mtd=4\0" \
70 "nandrootfstype=ubifs\0" \
71 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
72 "mmcargs=setenv bootargs console=${console} " \
74 "mpurate=${mpurate} " \
76 "omapfb.mode=dvi:${dvimode} " \
77 "omapdss.def_disp=${defaultdisplay} " \
79 "rootfstype=${mmcrootfstype}\0" \
80 "nandargs=setenv bootargs console=${console} " \
82 "mpurate=${mpurate} " \
84 "omapfb.mode=dvi:${dvimode} " \
85 "omapdss.def_disp=${defaultdisplay} " \
87 "rootfstype=${nandrootfstype}\0" \
88 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
89 "bootscript=echo Running boot script from mmc ...; " \
90 "source ${loadaddr}\0" \
91 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
92 "importbootenv=echo Importing environment from mmc ...; " \
93 "env import -t ${loadaddr} ${filesize}\0" \
94 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
95 "mmcboot=echo Booting from mmc...; " \
97 "bootm ${loadaddr}\0" \
98 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
99 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
100 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \
101 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \
102 "mmcbootfdt=echo Booting with DT from mmc ...; " \
104 "bootz ${loadaddr} - ${fdtaddr}\0" \
105 "nandboot=echo Booting from nand ...; " \
107 "if nand read ${loadaddr} linux; then " \
108 "bootm ${loadaddr};" \
110 "nanddtsboot=echo Booting from nand with DTS...; " \
113 "ubifsmount ubi0:rootfs; "\
115 "run loadubizimage; "\
116 "bootz ${loadaddr} - ${fdtaddr}\0" \
118 #define CONFIG_BOOTCOMMAND \
119 "mmc dev ${mmcdev}; if mmc rescan; then " \
120 "if run loadbootscript; then " \
123 "if run loadbootenv; then " \
124 "echo Loaded environment from ${bootenv};" \
125 "run importbootenv;" \
127 "if test -n $uenvcmd; then " \
128 "echo Running uenvcmd ...;" \
131 "if run loaduimage; then " \
134 "if run loadzimage; then " \
135 "if test -z \"${fdtfile}\"; then " \
136 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
138 "if run loadfdt; then " \
144 "if test -z \"${fdtfile}\"; then "\
145 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
147 "run nanddtsboot; " \
149 /* memtest works on */
150 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
151 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
152 0x01F00000) /* 31MB */
154 /* FLASH and environment organization */
155 #if defined(CONFIG_NAND)
156 #define CONFIG_SYS_FLASH_BASE NAND_BASE
159 /* Monitor at start of flash */
160 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
161 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
163 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
164 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
165 #define CONFIG_ENV_OFFSET 0x240000
166 #define CONFIG_ENV_ADDR 0x240000
168 /* Initial RAM setup */
169 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
170 #define CONFIG_SYS_INIT_RAM_SIZE 0x800
172 /* NAND boot config */
173 #define CONFIG_SYS_NAND_MAX_ECCPOS 56
174 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
175 #define CONFIG_SYS_NAND_PAGE_COUNT 64
176 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
177 #define CONFIG_SYS_NAND_OOBSIZE 64
178 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
179 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
180 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
181 13, 14, 16, 17, 18, 19, 20, 21, 22, \
182 23, 24, 25, 26, 27, 28, 30, 31, 32, \
183 33, 34, 35, 36, 37, 38, 39, 40, 41, \
184 42, 44, 45, 46, 47, 48, 49, 50, 51, \
186 #define CONFIG_SYS_NAND_ECCSIZE 512
187 #define CONFIG_SYS_NAND_ECCBYTES 13
188 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
189 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
190 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
191 /* NAND: SPL falcon mode configs */
192 #ifdef CONFIG_SPL_OS_BOOT
193 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
196 #endif /* __CONFIG_H */