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 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 10 11 #include <configs/ti_omap3_common.h> 12 /* 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). 15 */ 16 #undef CONFIG_SPL_TEXT_BASE 17 #define CONFIG_SPL_TEXT_BASE 0x40200000 18 19 /* call misc_init_r */ 20 #define CONFIG_MISC_INIT_R 21 22 /* pass the revision tag */ 23 #define CONFIG_REVISION_TAG 24 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)) 31 32 /* I2C Support */ 33 34 /* TWL4030 LED */ 35 #define CONFIG_TWL4030_LED 36 37 /* USB EHCI */ 38 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183 39 40 /* commands to include */ 41 42 #ifdef CONFIG_NAND 43 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 44 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 51 * rootfs remainder 52 */ 53 #endif /* CONFIG_NAND */ 54 55 /* Board NAND Info. */ 56 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 57 /* to access nand */ 58 /* Environment information */ 59 #define CONFIG_EXTRA_ENV_SETTINGS \ 60 DEFAULT_LINUX_BOOT_ENV \ 61 "bootdir=/boot\0" \ 62 "bootfile=zImage\0" \ 63 "usbtty=cdc_acm\0" \ 64 "console=ttyO2,115200n8\0" \ 65 "mpurate=auto\0" \ 66 "optargs=\0" \ 67 "vram=12M\0" \ 68 "dvimode=1024x768MR-16@60\0" \ 69 "defaultdisplay=dvi\0" \ 70 "mmcdev=0\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=${console} " \ 77 "${optargs} " \ 78 "mpurate=${mpurate} " \ 79 "vram=${vram} " \ 80 "omapfb.mode=dvi:${dvimode} " \ 81 "omapdss.def_disp=${defaultdisplay} " \ 82 "root=${mmcroot} " \ 83 "rootfstype=${mmcrootfstype}\0" \ 84 "nandargs=setenv bootargs console=${console} " \ 85 "${optargs} " \ 86 "mpurate=${mpurate} " \ 87 "vram=${vram} " \ 88 "omapfb.mode=dvi:${dvimode} " \ 89 "omapdss.def_disp=${defaultdisplay} " \ 90 "root=${nandroot} " \ 91 "rootfstype=${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...; " \ 100 "run mmcargs; " \ 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 ...; " \ 107 "run mmcargs; " \ 108 "bootz ${loadaddr} - ${fdtaddr}\0" \ 109 "nandboot=echo Booting from nand ...; " \ 110 "run nandargs; " \ 111 "if nand read ${loadaddr} linux; then " \ 112 "bootm ${loadaddr};" \ 113 "fi;\0" \ 114 "nanddtsboot=echo Booting from nand with DTS...; " \ 115 "run nandargs; " \ 116 "ubi part rootfs; "\ 117 "ubifsmount ubi0:rootfs; "\ 118 "run loadubifdt; "\ 119 "run loadubizimage; "\ 120 "bootz ${loadaddr} - ${fdtaddr}\0" \ 121 122 #define CONFIG_BOOTCOMMAND \ 123 "mmc dev ${mmcdev}; if mmc rescan; then " \ 124 "if run loadbootscript; then " \ 125 "run bootscript; " \ 126 "fi;" \ 127 "if run loadbootenv; then " \ 128 "echo Loaded environment from ${bootenv};" \ 129 "run importbootenv;" \ 130 "fi;" \ 131 "if test -n $uenvcmd; then " \ 132 "echo Running uenvcmd ...;" \ 133 "run uenvcmd;" \ 134 "fi;" \ 135 "if run loaduimage; then " \ 136 "run mmcboot;" \ 137 "fi;" \ 138 "if run loadzimage; then " \ 139 "if test -z \"${fdtfile}\"; then " \ 140 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 141 "fi;" \ 142 "if run loadfdt; then " \ 143 "run mmcbootfdt;" \ 144 "fi;" \ 145 "fi;" \ 146 "fi;" \ 147 "run nandboot; " \ 148 "if test -z \"${fdtfile}\"; then "\ 149 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 150 "fi;" \ 151 "run nanddtsboot; " \ 152 153 /* memtest works on */ 154 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 155 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 156 0x01F00000) /* 31MB */ 157 158 /* FLASH and environment organization */ 159 #if defined(CONFIG_NAND) 160 #define CONFIG_SYS_FLASH_BASE NAND_BASE 161 #endif 162 163 /* Monitor at start of flash */ 164 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 165 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 166 167 #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 171 172 /* Initial RAM setup */ 173 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 174 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 175 176 /* 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, \ 189 52, 53, 54, 55, 56} 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 198 #endif 199 200 #endif /* __CONFIG_H */ 201