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 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 55 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 56 "512k(xloader)," \ 57 "1792k(u-boot)," \ 58 "256k(environ)," \ 59 "8m(linux)," \ 60 "-(rootfs)" 61 #else /* CONFIG_NAND */ 62 #define MTDPARTS_DEFAULT 63 #endif /* CONFIG_NAND */ 64 65 /* Board NAND Info. */ 66 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 67 /* to access nand */ 68 /* Environment information */ 69 #define CONFIG_EXTRA_ENV_SETTINGS \ 70 DEFAULT_LINUX_BOOT_ENV \ 71 "bootdir=/boot\0" \ 72 "bootfile=zImage\0" \ 73 "usbtty=cdc_acm\0" \ 74 "console=ttyO2,115200n8\0" \ 75 "mpurate=auto\0" \ 76 "optargs=\0" \ 77 "vram=12M\0" \ 78 "dvimode=1024x768MR-16@60\0" \ 79 "defaultdisplay=dvi\0" \ 80 "mmcdev=0\0" \ 81 "mmcroot=/dev/mmcblk0p2 rw\0" \ 82 "mmcrootfstype=ext4 rootwait\0" \ 83 "nandroot=ubi0:rootfs ubi.mtd=4\0" \ 84 "nandrootfstype=ubifs\0" \ 85 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 86 "mmcargs=setenv bootargs console=${console} " \ 87 "${optargs} " \ 88 "mpurate=${mpurate} " \ 89 "vram=${vram} " \ 90 "omapfb.mode=dvi:${dvimode} " \ 91 "omapdss.def_disp=${defaultdisplay} " \ 92 "root=${mmcroot} " \ 93 "rootfstype=${mmcrootfstype}\0" \ 94 "nandargs=setenv bootargs console=${console} " \ 95 "${optargs} " \ 96 "mpurate=${mpurate} " \ 97 "vram=${vram} " \ 98 "omapfb.mode=dvi:${dvimode} " \ 99 "omapdss.def_disp=${defaultdisplay} " \ 100 "root=${nandroot} " \ 101 "rootfstype=${nandrootfstype}\0" \ 102 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 103 "bootscript=echo Running boot script from mmc ...; " \ 104 "source ${loadaddr}\0" \ 105 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \ 106 "importbootenv=echo Importing environment from mmc ...; " \ 107 "env import -t ${loadaddr} ${filesize}\0" \ 108 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \ 109 "mmcboot=echo Booting from mmc...; " \ 110 "run mmcargs; " \ 111 "bootm ${loadaddr}\0" \ 112 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \ 113 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 114 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \ 115 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 116 "mmcbootfdt=echo Booting with DT from mmc ...; " \ 117 "run mmcargs; " \ 118 "bootz ${loadaddr} - ${fdtaddr}\0" \ 119 "nandboot=echo Booting from nand ...; " \ 120 "run nandargs; " \ 121 "if nand read ${loadaddr} linux; then " \ 122 "bootm ${loadaddr};" \ 123 "fi;\0" \ 124 "nanddtsboot=echo Booting from nand with DTS...; " \ 125 "run nandargs; " \ 126 "ubi part rootfs; "\ 127 "ubifsmount ubi0:rootfs; "\ 128 "run loadubifdt; "\ 129 "run loadubizimage; "\ 130 "bootz ${loadaddr} - ${fdtaddr}\0" \ 131 132 #define CONFIG_BOOTCOMMAND \ 133 "mmc dev ${mmcdev}; if mmc rescan; then " \ 134 "if run loadbootscript; then " \ 135 "run bootscript; " \ 136 "fi;" \ 137 "if run loadbootenv; then " \ 138 "echo Loaded environment from ${bootenv};" \ 139 "run importbootenv;" \ 140 "fi;" \ 141 "if test -n $uenvcmd; then " \ 142 "echo Running uenvcmd ...;" \ 143 "run uenvcmd;" \ 144 "fi;" \ 145 "if run loaduimage; then " \ 146 "run mmcboot;" \ 147 "fi;" \ 148 "if run loadzimage; then " \ 149 "if test -z \"${fdtfile}\"; then " \ 150 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 151 "fi;" \ 152 "if run loadfdt; then " \ 153 "run mmcbootfdt;" \ 154 "fi;" \ 155 "fi;" \ 156 "fi;" \ 157 "run nandboot; " \ 158 "if test -z \"${fdtfile}\"; then "\ 159 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 160 "fi;" \ 161 "run nanddtsboot; " \ 162 163 /* memtest works on */ 164 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 165 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 166 0x01F00000) /* 31MB */ 167 168 /* FLASH and environment organization */ 169 #if defined(CONFIG_NAND) 170 #define CONFIG_SYS_FLASH_BASE NAND_BASE 171 #endif 172 173 /* Monitor at start of flash */ 174 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 175 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 176 177 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 178 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 179 #define CONFIG_ENV_OFFSET 0x240000 180 #define CONFIG_ENV_ADDR 0x240000 181 182 /* Configure SMSC9211 ethernet */ 183 #if defined(CONFIG_CMD_NET) 184 #define CONFIG_SMC911X 185 #define CONFIG_SMC911X_32_BIT 186 #define CONFIG_SMC911X_BASE 0x2C000000 187 #endif /* (CONFIG_CMD_NET) */ 188 189 /* Initial RAM setup */ 190 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 191 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 192 193 /* NAND boot config */ 194 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 195 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 196 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 197 #define CONFIG_SYS_NAND_PAGE_COUNT 64 198 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 199 #define CONFIG_SYS_NAND_OOBSIZE 64 200 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 201 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 202 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 203 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 204 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 205 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 206 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 207 52, 53, 54, 55, 56} 208 #define CONFIG_SYS_NAND_ECCSIZE 512 209 #define CONFIG_SYS_NAND_ECCBYTES 13 210 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 211 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 212 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 213 /* NAND: SPL falcon mode configs */ 214 #ifdef CONFIG_SPL_OS_BOOT 215 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 216 #endif 217 218 #endif /* __CONFIG_H */ 219