1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Configuration settings for the Gumstix Overo board. 4 */ 5 6 #ifndef __CONFIG_H 7 #define __CONFIG_H 8 9 #include <configs/ti_omap3_common.h> 10 /* 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). 13 */ 14 15 /* call misc_init_r */ 16 17 /* pass the revision tag */ 18 #define CONFIG_REVISION_TAG 19 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)) 25 26 /* I2C Support */ 27 28 /* TWL4030 LED */ 29 30 /* USB EHCI */ 31 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183 32 33 /* commands to include */ 34 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 42 * rootfs remainder 43 */ 44 #endif /* CONFIG_MTD_RAW_NAND */ 45 46 /* Board NAND Info. */ 47 /* Environment information */ 48 #define CONFIG_EXTRA_ENV_SETTINGS \ 49 DEFAULT_LINUX_BOOT_ENV \ 50 "bootdir=/boot\0" \ 51 "bootfile=zImage\0" \ 52 "usbtty=cdc_acm\0" \ 53 "console=ttyO2,115200n8\0" \ 54 "mpurate=auto\0" \ 55 "optargs=\0" \ 56 "vram=12M\0" \ 57 "dvimode=1024x768MR-16@60\0" \ 58 "defaultdisplay=dvi\0" \ 59 "mmcdev=0\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=${console} " \ 66 "${optargs} " \ 67 "mpurate=${mpurate} " \ 68 "vram=${vram} " \ 69 "omapfb.mode=dvi:${dvimode} " \ 70 "omapdss.def_disp=${defaultdisplay} " \ 71 "root=${mmcroot} " \ 72 "rootfstype=${mmcrootfstype}\0" \ 73 "nandargs=setenv bootargs console=${console} " \ 74 "${optargs} " \ 75 "mpurate=${mpurate} " \ 76 "vram=${vram} " \ 77 "omapfb.mode=dvi:${dvimode} " \ 78 "omapdss.def_disp=${defaultdisplay} " \ 79 "root=${nandroot} " \ 80 "rootfstype=${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...; " \ 89 "run mmcargs; " \ 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 ...; " \ 96 "run mmcargs; " \ 97 "bootz ${loadaddr} - ${fdtaddr}\0" \ 98 "nandboot=echo Booting from nand ...; " \ 99 "run nandargs; " \ 100 "if nand read ${loadaddr} linux; then " \ 101 "bootm ${loadaddr};" \ 102 "fi;\0" \ 103 "nanddtsboot=echo Booting from nand with DTS...; " \ 104 "run nandargs; " \ 105 "ubi part rootfs; "\ 106 "ubifsmount ubi0:rootfs; "\ 107 "run loadubifdt; "\ 108 "run loadubizimage; "\ 109 "bootz ${loadaddr} - ${fdtaddr}\0" \ 110 111 #define CONFIG_BOOTCOMMAND \ 112 "mmc dev ${mmcdev}; if mmc rescan; then " \ 113 "if run loadbootscript; then " \ 114 "run bootscript; " \ 115 "fi;" \ 116 "if run loadbootenv; then " \ 117 "echo Loaded environment from ${bootenv};" \ 118 "run importbootenv;" \ 119 "fi;" \ 120 "if test -n $uenvcmd; then " \ 121 "echo Running uenvcmd ...;" \ 122 "run uenvcmd;" \ 123 "fi;" \ 124 "if run loaduimage; then " \ 125 "run mmcboot;" \ 126 "fi;" \ 127 "if run loadzimage; then " \ 128 "if test -z \"${fdtfile}\"; then " \ 129 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 130 "fi;" \ 131 "if run loadfdt; then " \ 132 "run mmcbootfdt;" \ 133 "fi;" \ 134 "fi;" \ 135 "fi;" \ 136 "run nandboot; " \ 137 "if test -z \"${fdtfile}\"; then "\ 138 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 139 "fi;" \ 140 "run nanddtsboot; " \ 141 142 /* memtest works on */ 143 144 /* FLASH and environment organization */ 145 #if defined(CONFIG_MTD_RAW_NAND) 146 #define CONFIG_SYS_FLASH_BASE NAND_BASE 147 #endif 148 149 /* Monitor at start of flash */ 150 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 151 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 152 153 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 154 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 155 156 /* Initial RAM setup */ 157 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 158 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 159 160 /* NAND boot config */ 161 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 162 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 163 #define CONFIG_SYS_NAND_PAGE_COUNT 64 164 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 165 #define CONFIG_SYS_NAND_OOBSIZE 64 166 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 167 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 168 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 169 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 170 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 171 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 172 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 173 52, 53, 54, 55, 56} 174 #define CONFIG_SYS_NAND_ECCSIZE 512 175 #define CONFIG_SYS_NAND_ECCBYTES 13 176 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 177 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 178 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 179 /* NAND: SPL falcon mode configs */ 180 #ifdef CONFIG_SPL_OS_BOOT 181 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 182 #endif 183 184 #endif /* __CONFIG_H */ 185