1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Configuration settings for the Gumstix Overo board.
9 #include <configs/ti_omap3_common.h>
11 * We are only ever GP parts and will utilize all of the "downloaded image"
12 * area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB).
15 /* call misc_init_r */
17 /* pass the revision tag */
18 #define CONFIG_REVISION_TAG
20 /* override size of malloc() pool */
21 #undef CONFIG_SYS_MALLOC_LEN
22 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands.
23 * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */
24 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 15))
31 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183
33 /* commands to include */
35 #ifdef CONFIG_MTD_RAW_NAND
36 /* NAND block size is 128 KiB. Synchronize these values with
37 * overo_nand_partitions in mach-omap2/board-overo.c in Linux:
38 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB
39 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB
40 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB
41 * linux 64 * NAND_BLOCK_SIZE = 8 MiB
44 #endif /* CONFIG_MTD_RAW_NAND */
46 /* Board NAND Info. */
47 /* Environment information */
48 #define CONFIG_EXTRA_ENV_SETTINGS \
49 DEFAULT_LINUX_BOOT_ENV \
53 "console=ttyO2,115200n8\0" \
57 "dvimode=1024x768MR-16@60\0" \
58 "defaultdisplay=dvi\0" \
60 "mmcroot=/dev/mmcblk0p2 rw\0" \
61 "mmcrootfstype=ext4 rootwait\0" \
62 "nandroot=ubi0:rootfs ubi.mtd=4\0" \
63 "nandrootfstype=ubifs\0" \
64 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
65 "mmcargs=setenv bootargs console=${console} " \
67 "mpurate=${mpurate} " \
69 "omapfb.mode=dvi:${dvimode} " \
70 "omapdss.def_disp=${defaultdisplay} " \
72 "rootfstype=${mmcrootfstype}\0" \
73 "nandargs=setenv bootargs console=${console} " \
75 "mpurate=${mpurate} " \
77 "omapfb.mode=dvi:${dvimode} " \
78 "omapdss.def_disp=${defaultdisplay} " \
80 "rootfstype=${nandrootfstype}\0" \
81 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
82 "bootscript=echo Running boot script from mmc ...; " \
83 "source ${loadaddr}\0" \
84 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
85 "importbootenv=echo Importing environment from mmc ...; " \
86 "env import -t ${loadaddr} ${filesize}\0" \
87 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
88 "mmcboot=echo Booting from mmc...; " \
90 "bootm ${loadaddr}\0" \
91 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
92 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
93 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \
94 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \
95 "mmcbootfdt=echo Booting with DT from mmc ...; " \
97 "bootz ${loadaddr} - ${fdtaddr}\0" \
98 "nandboot=echo Booting from nand ...; " \
100 "if nand read ${loadaddr} linux; then " \
101 "bootm ${loadaddr};" \
103 "nanddtsboot=echo Booting from nand with DTS...; " \
106 "ubifsmount ubi0:rootfs; "\
108 "run loadubizimage; "\
109 "bootz ${loadaddr} - ${fdtaddr}\0" \
111 #define CONFIG_BOOTCOMMAND \
112 "mmc dev ${mmcdev}; if mmc rescan; then " \
113 "if run loadbootscript; then " \
116 "if run loadbootenv; then " \
117 "echo Loaded environment from ${bootenv};" \
118 "run importbootenv;" \
120 "if test -n $uenvcmd; then " \
121 "echo Running uenvcmd ...;" \
124 "if run loaduimage; then " \
127 "if run loadzimage; then " \
128 "if test -z \"${fdtfile}\"; then " \
129 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
131 "if run loadfdt; then " \
137 "if test -z \"${fdtfile}\"; then "\
138 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
140 "run nanddtsboot; " \
142 /* memtest works on */
143 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
144 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
145 0x01F00000) /* 31MB */
147 /* FLASH and environment organization */
148 #if defined(CONFIG_MTD_RAW_NAND)
149 #define CONFIG_SYS_FLASH_BASE NAND_BASE
152 /* Monitor at start of flash */
153 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
154 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
156 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
157 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
159 /* Initial RAM setup */
160 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
161 #define CONFIG_SYS_INIT_RAM_SIZE 0x800
163 /* NAND boot config */
164 #define CONFIG_SYS_NAND_MAX_ECCPOS 56
165 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
166 #define CONFIG_SYS_NAND_PAGE_COUNT 64
167 #define CONFIG_SYS_NAND_PAGE_SIZE 2048
168 #define CONFIG_SYS_NAND_OOBSIZE 64
169 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
170 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
171 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
172 13, 14, 16, 17, 18, 19, 20, 21, 22, \
173 23, 24, 25, 26, 27, 28, 30, 31, 32, \
174 33, 34, 35, 36, 37, 38, 39, 40, 41, \
175 42, 44, 45, 46, 47, 48, 49, 50, 51, \
177 #define CONFIG_SYS_NAND_ECCSIZE 512
178 #define CONFIG_SYS_NAND_ECCBYTES 13
179 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
180 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
181 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
182 /* NAND: SPL falcon mode configs */
183 #ifdef CONFIG_SPL_OS_BOOT
184 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
187 #endif /* __CONFIG_H */