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 #undef CONFIG_SPL_TEXT_BASE 15 #define CONFIG_SPL_TEXT_BASE 0x40200000 16 17 /* call misc_init_r */ 18 19 /* pass the revision tag */ 20 #define CONFIG_REVISION_TAG 21 22 /* override size of malloc() pool */ 23 #undef CONFIG_SYS_MALLOC_LEN 24 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */ 25 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands. 26 * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */ 27 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 15)) 28 29 /* I2C Support */ 30 31 /* TWL4030 LED */ 32 33 /* USB EHCI */ 34 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183 35 36 /* commands to include */ 37 38 #ifdef CONFIG_NAND 39 /* NAND block size is 128 KiB. Synchronize these values with 40 * overo_nand_partitions in mach-omap2/board-overo.c in Linux: 41 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB 42 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB 43 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB 44 * linux 64 * NAND_BLOCK_SIZE = 8 MiB 45 * rootfs remainder 46 */ 47 #endif /* CONFIG_NAND */ 48 49 /* Board NAND Info. */ 50 /* Environment information */ 51 #define CONFIG_EXTRA_ENV_SETTINGS \ 52 DEFAULT_LINUX_BOOT_ENV \ 53 "bootdir=/boot\0" \ 54 "bootfile=zImage\0" \ 55 "usbtty=cdc_acm\0" \ 56 "console=ttyO2,115200n8\0" \ 57 "mpurate=auto\0" \ 58 "optargs=\0" \ 59 "vram=12M\0" \ 60 "dvimode=1024x768MR-16@60\0" \ 61 "defaultdisplay=dvi\0" \ 62 "mmcdev=0\0" \ 63 "mmcroot=/dev/mmcblk0p2 rw\0" \ 64 "mmcrootfstype=ext4 rootwait\0" \ 65 "nandroot=ubi0:rootfs ubi.mtd=4\0" \ 66 "nandrootfstype=ubifs\0" \ 67 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 68 "mmcargs=setenv bootargs console=${console} " \ 69 "${optargs} " \ 70 "mpurate=${mpurate} " \ 71 "vram=${vram} " \ 72 "omapfb.mode=dvi:${dvimode} " \ 73 "omapdss.def_disp=${defaultdisplay} " \ 74 "root=${mmcroot} " \ 75 "rootfstype=${mmcrootfstype}\0" \ 76 "nandargs=setenv bootargs console=${console} " \ 77 "${optargs} " \ 78 "mpurate=${mpurate} " \ 79 "vram=${vram} " \ 80 "omapfb.mode=dvi:${dvimode} " \ 81 "omapdss.def_disp=${defaultdisplay} " \ 82 "root=${nandroot} " \ 83 "rootfstype=${nandrootfstype}\0" \ 84 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 85 "bootscript=echo Running boot script from mmc ...; " \ 86 "source ${loadaddr}\0" \ 87 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \ 88 "importbootenv=echo Importing environment from mmc ...; " \ 89 "env import -t ${loadaddr} ${filesize}\0" \ 90 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \ 91 "mmcboot=echo Booting from mmc...; " \ 92 "run mmcargs; " \ 93 "bootm ${loadaddr}\0" \ 94 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \ 95 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 96 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \ 97 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 98 "mmcbootfdt=echo Booting with DT from mmc ...; " \ 99 "run mmcargs; " \ 100 "bootz ${loadaddr} - ${fdtaddr}\0" \ 101 "nandboot=echo Booting from nand ...; " \ 102 "run nandargs; " \ 103 "if nand read ${loadaddr} linux; then " \ 104 "bootm ${loadaddr};" \ 105 "fi;\0" \ 106 "nanddtsboot=echo Booting from nand with DTS...; " \ 107 "run nandargs; " \ 108 "ubi part rootfs; "\ 109 "ubifsmount ubi0:rootfs; "\ 110 "run loadubifdt; "\ 111 "run loadubizimage; "\ 112 "bootz ${loadaddr} - ${fdtaddr}\0" \ 113 114 #define CONFIG_BOOTCOMMAND \ 115 "mmc dev ${mmcdev}; if mmc rescan; then " \ 116 "if run loadbootscript; then " \ 117 "run bootscript; " \ 118 "fi;" \ 119 "if run loadbootenv; then " \ 120 "echo Loaded environment from ${bootenv};" \ 121 "run importbootenv;" \ 122 "fi;" \ 123 "if test -n $uenvcmd; then " \ 124 "echo Running uenvcmd ...;" \ 125 "run uenvcmd;" \ 126 "fi;" \ 127 "if run loaduimage; then " \ 128 "run mmcboot;" \ 129 "fi;" \ 130 "if run loadzimage; then " \ 131 "if test -z \"${fdtfile}\"; then " \ 132 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 133 "fi;" \ 134 "if run loadfdt; then " \ 135 "run mmcbootfdt;" \ 136 "fi;" \ 137 "fi;" \ 138 "fi;" \ 139 "run nandboot; " \ 140 "if test -z \"${fdtfile}\"; then "\ 141 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 142 "fi;" \ 143 "run nanddtsboot; " \ 144 145 /* memtest works on */ 146 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 147 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 148 0x01F00000) /* 31MB */ 149 150 /* FLASH and environment organization */ 151 #if defined(CONFIG_NAND) 152 #define CONFIG_SYS_FLASH_BASE NAND_BASE 153 #endif 154 155 /* Monitor at start of flash */ 156 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 157 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 158 159 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 160 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 161 #define CONFIG_ENV_OFFSET 0x240000 162 #define CONFIG_ENV_ADDR 0x240000 163 164 /* Initial RAM setup */ 165 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 166 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 167 168 /* NAND boot config */ 169 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 170 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 171 #define CONFIG_SYS_NAND_PAGE_COUNT 64 172 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 173 #define CONFIG_SYS_NAND_OOBSIZE 64 174 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 175 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 176 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 177 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 178 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 179 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 180 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 181 52, 53, 54, 55, 56} 182 #define CONFIG_SYS_NAND_ECCSIZE 512 183 #define CONFIG_SYS_NAND_ECCBYTES 13 184 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 185 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 186 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 187 /* NAND: SPL falcon mode configs */ 188 #ifdef CONFIG_SPL_OS_BOOT 189 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 190 #endif 191 192 #endif /* __CONFIG_H */ 193