1 /* 2 * Configuration settings for the Gumstix Overo board. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __CONFIG_H 8 #define __CONFIG_H 9 10 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 11 12 #include <configs/ti_omap3_common.h> 13 /* 14 * We are only ever GP parts and will utilize all of the "downloaded image" 15 * area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB). 16 */ 17 #undef CONFIG_SPL_TEXT_BASE 18 #define CONFIG_SPL_TEXT_BASE 0x40200000 19 20 /* call misc_init_r */ 21 #define CONFIG_MISC_INIT_R 22 23 /* pass the revision tag */ 24 #define CONFIG_REVISION_TAG 25 26 /* override size of malloc() pool */ 27 #undef CONFIG_SYS_MALLOC_LEN 28 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */ 29 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands. 30 * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */ 31 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 15)) 32 33 /* I2C Support */ 34 35 /* TWL4030 LED */ 36 #define CONFIG_TWL4030_LED 37 38 /* USB EHCI */ 39 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183 40 41 /* commands to include */ 42 43 #ifdef CONFIG_NAND 44 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 45 46 /* NAND block size is 128 KiB. Synchronize these values with 47 * overo_nand_partitions in mach-omap2/board-overo.c in Linux: 48 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB 49 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB 50 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB 51 * linux 64 * NAND_BLOCK_SIZE = 8 MiB 52 * rootfs remainder 53 */ 54 #endif /* CONFIG_NAND */ 55 56 /* Board NAND Info. */ 57 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 58 /* to access nand */ 59 /* Environment information */ 60 #define CONFIG_EXTRA_ENV_SETTINGS \ 61 DEFAULT_LINUX_BOOT_ENV \ 62 "bootdir=/boot\0" \ 63 "bootfile=zImage\0" \ 64 "usbtty=cdc_acm\0" \ 65 "console=ttyO2,115200n8\0" \ 66 "mpurate=auto\0" \ 67 "optargs=\0" \ 68 "vram=12M\0" \ 69 "dvimode=1024x768MR-16@60\0" \ 70 "defaultdisplay=dvi\0" \ 71 "mmcdev=0\0" \ 72 "mmcroot=/dev/mmcblk0p2 rw\0" \ 73 "mmcrootfstype=ext4 rootwait\0" \ 74 "nandroot=ubi0:rootfs ubi.mtd=4\0" \ 75 "nandrootfstype=ubifs\0" \ 76 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 77 "mmcargs=setenv bootargs console=${console} " \ 78 "${optargs} " \ 79 "mpurate=${mpurate} " \ 80 "vram=${vram} " \ 81 "omapfb.mode=dvi:${dvimode} " \ 82 "omapdss.def_disp=${defaultdisplay} " \ 83 "root=${mmcroot} " \ 84 "rootfstype=${mmcrootfstype}\0" \ 85 "nandargs=setenv bootargs console=${console} " \ 86 "${optargs} " \ 87 "mpurate=${mpurate} " \ 88 "vram=${vram} " \ 89 "omapfb.mode=dvi:${dvimode} " \ 90 "omapdss.def_disp=${defaultdisplay} " \ 91 "root=${nandroot} " \ 92 "rootfstype=${nandrootfstype}\0" \ 93 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 94 "bootscript=echo Running boot script from mmc ...; " \ 95 "source ${loadaddr}\0" \ 96 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \ 97 "importbootenv=echo Importing environment from mmc ...; " \ 98 "env import -t ${loadaddr} ${filesize}\0" \ 99 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \ 100 "mmcboot=echo Booting from mmc...; " \ 101 "run mmcargs; " \ 102 "bootm ${loadaddr}\0" \ 103 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \ 104 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 105 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \ 106 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 107 "mmcbootfdt=echo Booting with DT from mmc ...; " \ 108 "run mmcargs; " \ 109 "bootz ${loadaddr} - ${fdtaddr}\0" \ 110 "nandboot=echo Booting from nand ...; " \ 111 "run nandargs; " \ 112 "if nand read ${loadaddr} linux; then " \ 113 "bootm ${loadaddr};" \ 114 "fi;\0" \ 115 "nanddtsboot=echo Booting from nand with DTS...; " \ 116 "run nandargs; " \ 117 "ubi part rootfs; "\ 118 "ubifsmount ubi0:rootfs; "\ 119 "run loadubifdt; "\ 120 "run loadubizimage; "\ 121 "bootz ${loadaddr} - ${fdtaddr}\0" \ 122 123 #define CONFIG_BOOTCOMMAND \ 124 "mmc dev ${mmcdev}; if mmc rescan; then " \ 125 "if run loadbootscript; then " \ 126 "run bootscript; " \ 127 "fi;" \ 128 "if run loadbootenv; then " \ 129 "echo Loaded environment from ${bootenv};" \ 130 "run importbootenv;" \ 131 "fi;" \ 132 "if test -n $uenvcmd; then " \ 133 "echo Running uenvcmd ...;" \ 134 "run uenvcmd;" \ 135 "fi;" \ 136 "if run loaduimage; then " \ 137 "run mmcboot;" \ 138 "fi;" \ 139 "if run loadzimage; then " \ 140 "if test -z \"${fdtfile}\"; then " \ 141 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 142 "fi;" \ 143 "if run loadfdt; then " \ 144 "run mmcbootfdt;" \ 145 "fi;" \ 146 "fi;" \ 147 "fi;" \ 148 "run nandboot; " \ 149 "if test -z \"${fdtfile}\"; then "\ 150 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 151 "fi;" \ 152 "run nanddtsboot; " \ 153 154 /* memtest works on */ 155 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 156 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 157 0x01F00000) /* 31MB */ 158 159 /* FLASH and environment organization */ 160 #if defined(CONFIG_NAND) 161 #define CONFIG_SYS_FLASH_BASE NAND_BASE 162 #endif 163 164 /* Monitor at start of flash */ 165 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 166 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 167 168 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 169 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 170 #define CONFIG_ENV_OFFSET 0x240000 171 #define CONFIG_ENV_ADDR 0x240000 172 173 /* Initial RAM setup */ 174 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 175 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 176 177 /* NAND boot config */ 178 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 179 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 180 #define CONFIG_SYS_NAND_PAGE_COUNT 64 181 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 182 #define CONFIG_SYS_NAND_OOBSIZE 64 183 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 184 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 185 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 186 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 187 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 188 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 189 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 190 52, 53, 54, 55, 56} 191 #define CONFIG_SYS_NAND_ECCSIZE 512 192 #define CONFIG_SYS_NAND_ECCBYTES 13 193 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 194 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 195 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 196 /* NAND: SPL falcon mode configs */ 197 #ifdef CONFIG_SPL_OS_BOOT 198 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 199 #endif 200 201 #endif /* __CONFIG_H */ 202