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