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 #define CONFIG_BCH 21 22 /* call misc_init_r */ 23 #define CONFIG_MISC_INIT_R 24 25 /* pass the revision tag */ 26 #define CONFIG_REVISION_TAG 27 28 /* override size of malloc() pool */ 29 #undef CONFIG_SYS_MALLOC_LEN 30 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */ 31 /* Shift 128 << 15 provides 4 MiB heap to support UBI commands. 32 * Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */ 33 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 15)) 34 35 /* I2C Support */ 36 37 /* TWL4030 LED */ 38 #define CONFIG_TWL4030_LED 39 40 /* USB EHCI */ 41 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183 42 43 /* commands to include */ 44 45 #ifdef CONFIG_NAND 46 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 47 48 /* NAND block size is 128 KiB. Synchronize these values with 49 * overo_nand_partitions in mach-omap2/board-overo.c in Linux: 50 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB 51 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB 52 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB 53 * linux 64 * NAND_BLOCK_SIZE = 8 MiB 54 * rootfs remainder 55 */ 56 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 57 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 58 "512k(xloader)," \ 59 "1792k(u-boot)," \ 60 "256k(environ)," \ 61 "8m(linux)," \ 62 "-(rootfs)" 63 #else /* CONFIG_NAND */ 64 #define MTDPARTS_DEFAULT 65 #endif /* CONFIG_NAND */ 66 67 /* Board NAND Info. */ 68 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 69 /* to access nand */ 70 /* Environment information */ 71 #define CONFIG_EXTRA_ENV_SETTINGS \ 72 DEFAULT_LINUX_BOOT_ENV \ 73 "bootdir=/boot\0" \ 74 "bootfile=zImage\0" \ 75 "usbtty=cdc_acm\0" \ 76 "console=ttyO2,115200n8\0" \ 77 "mpurate=auto\0" \ 78 "optargs=\0" \ 79 "vram=12M\0" \ 80 "dvimode=1024x768MR-16@60\0" \ 81 "defaultdisplay=dvi\0" \ 82 "mmcdev=0\0" \ 83 "mmcroot=/dev/mmcblk0p2 rw\0" \ 84 "mmcrootfstype=ext4 rootwait\0" \ 85 "nandroot=ubi0:rootfs ubi.mtd=4\0" \ 86 "nandrootfstype=ubifs\0" \ 87 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 88 "mmcargs=setenv bootargs console=${console} " \ 89 "${optargs} " \ 90 "mpurate=${mpurate} " \ 91 "vram=${vram} " \ 92 "omapfb.mode=dvi:${dvimode} " \ 93 "omapdss.def_disp=${defaultdisplay} " \ 94 "root=${mmcroot} " \ 95 "rootfstype=${mmcrootfstype}\0" \ 96 "nandargs=setenv bootargs console=${console} " \ 97 "${optargs} " \ 98 "mpurate=${mpurate} " \ 99 "vram=${vram} " \ 100 "omapfb.mode=dvi:${dvimode} " \ 101 "omapdss.def_disp=${defaultdisplay} " \ 102 "root=${nandroot} " \ 103 "rootfstype=${nandrootfstype}\0" \ 104 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 105 "bootscript=echo Running boot script from mmc ...; " \ 106 "source ${loadaddr}\0" \ 107 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \ 108 "importbootenv=echo Importing environment from mmc ...; " \ 109 "env import -t ${loadaddr} ${filesize}\0" \ 110 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \ 111 "mmcboot=echo Booting from mmc...; " \ 112 "run mmcargs; " \ 113 "bootm ${loadaddr}\0" \ 114 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \ 115 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 116 "loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \ 117 "loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 118 "mmcbootfdt=echo Booting with DT from mmc ...; " \ 119 "run mmcargs; " \ 120 "bootz ${loadaddr} - ${fdtaddr}\0" \ 121 "nandboot=echo Booting from nand ...; " \ 122 "run nandargs; " \ 123 "if nand read ${loadaddr} linux; then " \ 124 "bootm ${loadaddr};" \ 125 "fi;\0" \ 126 "nanddtsboot=echo Booting from nand with DTS...; " \ 127 "run nandargs; " \ 128 "ubi part rootfs; "\ 129 "ubifsmount ubi0:rootfs; "\ 130 "run loadubifdt; "\ 131 "run loadubizimage; "\ 132 "bootz ${loadaddr} - ${fdtaddr}\0" \ 133 134 #define CONFIG_BOOTCOMMAND \ 135 "mmc dev ${mmcdev}; if mmc rescan; then " \ 136 "if run loadbootscript; then " \ 137 "run bootscript; " \ 138 "fi;" \ 139 "if run loadbootenv; then " \ 140 "echo Loaded environment from ${bootenv};" \ 141 "run importbootenv;" \ 142 "fi;" \ 143 "if test -n $uenvcmd; then " \ 144 "echo Running uenvcmd ...;" \ 145 "run uenvcmd;" \ 146 "fi;" \ 147 "if run loaduimage; then " \ 148 "run mmcboot;" \ 149 "fi;" \ 150 "if run loadzimage; then " \ 151 "if test -z \"${fdtfile}\"; then " \ 152 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 153 "fi;" \ 154 "if run loadfdt; then " \ 155 "run mmcbootfdt;" \ 156 "fi;" \ 157 "fi;" \ 158 "fi;" \ 159 "run nandboot; " \ 160 "if test -z \"${fdtfile}\"; then "\ 161 "setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \ 162 "fi;" \ 163 "run nanddtsboot; " \ 164 165 /* memtest works on */ 166 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 167 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 168 0x01F00000) /* 31MB */ 169 170 /* FLASH and environment organization */ 171 #if defined(CONFIG_NAND) 172 #define CONFIG_SYS_FLASH_BASE NAND_BASE 173 #endif 174 175 /* Monitor at start of flash */ 176 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 177 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 178 179 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 180 #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ 181 182 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 183 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 184 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 185 186 /* Configure SMSC9211 ethernet */ 187 #if defined(CONFIG_CMD_NET) 188 #define CONFIG_SMC911X 189 #define CONFIG_SMC911X_32_BIT 190 #define CONFIG_SMC911X_BASE 0x2C000000 191 #endif /* (CONFIG_CMD_NET) */ 192 193 /* Initial RAM setup */ 194 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 195 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 196 197 /* NAND boot config */ 198 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 199 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 200 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 201 #define CONFIG_SYS_NAND_PAGE_COUNT 64 202 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 203 #define CONFIG_SYS_NAND_OOBSIZE 64 204 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 205 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 206 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \ 207 13, 14, 16, 17, 18, 19, 20, 21, 22, \ 208 23, 24, 25, 26, 27, 28, 30, 31, 32, \ 209 33, 34, 35, 36, 37, 38, 39, 40, 41, \ 210 42, 44, 45, 46, 47, 48, 49, 50, 51, \ 211 52, 53, 54, 55, 56} 212 #define CONFIG_SYS_NAND_ECCSIZE 512 213 #define CONFIG_SYS_NAND_ECCBYTES 13 214 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 215 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 216 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 217 /* NAND: SPL falcon mode configs */ 218 #ifdef CONFIG_SPL_OS_BOOT 219 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 220 #endif 221 222 #endif /* __CONFIG_H */ 223