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 #define CONFIG_NAND 12 13 #include <configs/ti_omap3_common.h> 14 15 /* Display CPU and Board information */ 16 #define CONFIG_DISPLAY_CPUINFO 17 #define CONFIG_DISPLAY_BOARDINFO 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 #define CONFIG_SYS_I2C_OMAP34XX 34 35 /* TWL4030 LED */ 36 #define CONFIG_TWL4030_LED 37 38 /* Initialize GPIOs by default */ 39 #define CONFIG_OMAP3_GPIO_2 /* GPIO32..63 is in GPIO Bank 2 */ 40 #define CONFIG_OMAP3_GPIO_3 /* GPIO64..95 is in GPIO Bank 3 */ 41 #define CONFIG_OMAP3_GPIO_4 /* GPIO96..127 is in GPIO Bank 4 */ 42 #define CONFIG_OMAP3_GPIO_5 /* GPIO128..159 is in GPIO Bank 5 */ 43 #define CONFIG_OMAP3_GPIO_6 /* GPIO160..191 is in GPIO Bank 6 */ 44 45 /* commands to include */ 46 #define CONFIG_CMD_CACHE 47 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ 48 #undef CONFIG_CMD_IMI /* iminfo */ 49 #undef CONFIG_CMD_NFS /* NFS support */ 50 51 #ifdef CONFIG_NAND 52 #define CONFIG_CMD_UBI /* UBI-formated MTD partition support */ 53 #define CONFIG_CMD_UBIFS /* Read-only UBI volume operations */ 54 55 #define CONFIG_RBTREE /* required by CONFIG_CMD_UBI */ 56 #define CONFIG_LZO /* required by CONFIG_CMD_UBIFS */ 57 58 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 59 60 /* NAND block size is 128 KiB. Synchronize these values with 61 * overo_nand_partitions in mach-omap2/board-overo.c in Linux: 62 * xloader 4 * NAND_BLOCK_SIZE = 512 KiB 63 * uboot 14 * NAND_BLOCK_SIZE = 1792 KiB 64 * uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB 65 * linux 64 * NAND_BLOCK_SIZE = 8 MiB 66 * rootfs remainder 67 */ 68 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 69 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 70 "512k(xloader)," \ 71 "1792k(u-boot)," \ 72 "256k(environ)," \ 73 "8m(linux)," \ 74 "-(rootfs)" 75 #else /* CONFIG_NAND */ 76 #define MTDPARTS_DEFAULT 77 #endif /* CONFIG_NAND */ 78 79 /* Board NAND Info. */ 80 #define CONFIG_SYS_NAND_QUIET_TEST 81 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 82 /* to access nand */ 83 /* Environment information */ 84 #define CONFIG_EXTRA_ENV_SETTINGS \ 85 DEFAULT_LINUX_BOOT_ENV \ 86 "fdtfile=overo.dtb\0" \ 87 "bootdir=/boot\0" \ 88 "bootfile=zImage\0" \ 89 "usbtty=cdc_acm\0" \ 90 "console=ttyO2,115200n8\0" \ 91 "mpurate=auto\0" \ 92 "optargs=\0" \ 93 "vram=12M\0" \ 94 "dvimode=1024x768MR-16@60\0" \ 95 "defaultdisplay=dvi\0" \ 96 "mmcdev=0\0" \ 97 "mmcroot=/dev/mmcblk0p2 rw\0" \ 98 "mmcrootfstype=ext3 rootwait\0" \ 99 "nandroot=ubi0:rootfs ubi.mtd=4\0" \ 100 "nandrootfstype=ubifs\0" \ 101 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 102 "mmcargs=setenv bootargs console=${console} " \ 103 "${optargs} " \ 104 "mpurate=${mpurate} " \ 105 "vram=${vram} " \ 106 "omapfb.mode=dvi:${dvimode} " \ 107 "omapdss.def_disp=${defaultdisplay} " \ 108 "root=${mmcroot} " \ 109 "rootfstype=${mmcrootfstype}\0" \ 110 "nandargs=setenv bootargs console=${console} " \ 111 "${optargs} " \ 112 "mpurate=${mpurate} " \ 113 "vram=${vram} " \ 114 "omapfb.mode=dvi:${dvimode} " \ 115 "omapdss.def_disp=${defaultdisplay} " \ 116 "root=${nandroot} " \ 117 "rootfstype=${nandrootfstype}\0" \ 118 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 119 "bootscript=echo Running boot script from mmc ...; " \ 120 "source ${loadaddr}\0" \ 121 "loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \ 122 "importbootenv=echo Importing environment from mmc ...; " \ 123 "env import -t ${loadaddr} ${filesize}\0" \ 124 "loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \ 125 "mmcboot=echo Booting from mmc...; " \ 126 "run mmcargs; " \ 127 "bootm ${loadaddr}\0" \ 128 "loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \ 129 "loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 130 "mmcbootfdt=echo Booting with DT from mmc ...; " \ 131 "run mmcargs; " \ 132 "bootz ${loadaddr} - ${fdtaddr}\0" \ 133 "nandboot=echo Booting from nand ...; " \ 134 "run nandargs; " \ 135 "nand read ${loadaddr} linux; " \ 136 "bootm ${loadaddr}\0" \ 137 138 #define CONFIG_BOOTCOMMAND \ 139 "mmc dev ${mmcdev}; if mmc rescan; then " \ 140 "if run loadbootscript; then " \ 141 "run bootscript; " \ 142 "fi;" \ 143 "if run loadbootenv; then " \ 144 "echo Loaded environment from ${bootenv};" \ 145 "run importbootenv;" \ 146 "fi;" \ 147 "if test -n $uenvcmd; then " \ 148 "echo Running uenvcmd ...;" \ 149 "run uenvcmd;" \ 150 "fi;" \ 151 "if run loaduimage; then " \ 152 "run mmcboot;" \ 153 "fi;" \ 154 "if run loadzimage; then " \ 155 "if test -n $fdtfile; then " \ 156 "if run loadfdt; then " \ 157 "run mmcbootfdt;" \ 158 "fi;" \ 159 "fi;" \ 160 "fi;" \ 161 "fi;" \ 162 "run nandboot; " \ 163 164 /* 165 * Miscellaneous configurable options 166 */ 167 #undef CONFIG_SYS_PROMPT 168 #define CONFIG_SYS_PROMPT "Overo # " 169 170 /* memtest works on */ 171 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 172 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 173 0x01F00000) /* 31MB */ 174 175 /* FLASH and environment organization */ 176 /* Configure the PISMO */ 177 #define PISMO1_NAND_SIZE GPMC_SIZE_128M 178 #define PISMO1_ONEN_SIZE GPMC_SIZE_128M 179 180 #if defined(CONFIG_NAND) 181 #define CONFIG_SYS_FLASH_BASE PISMO1_NAND_BASE 182 #endif 183 184 /* Monitor at start of flash */ 185 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 186 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 187 188 #define CONFIG_ENV_IS_IN_NAND 189 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 190 #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ 191 192 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 193 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 194 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 195 196 /* Configure SMSC9211 ethernet */ 197 #if defined(CONFIG_CMD_NET) 198 #define CONFIG_SMC911X 199 #define CONFIG_SMC911X_32_BIT 200 #define CONFIG_SMC911X_BASE 0x2C000000 201 #endif /* (CONFIG_CMD_NET) */ 202 203 /* Initial RAM setup */ 204 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 205 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 206 #define CONFIG_SYS_CACHELINE_SIZE 64 207 208 /* NAND boot config */ 209 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 16 210 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 211 #define CONFIG_SYS_NAND_PAGE_COUNT 64 212 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 213 #define CONFIG_SYS_NAND_OOBSIZE 64 214 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 215 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 216 #define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9,\ 217 10, 11, 12, 13} 218 #define CONFIG_SYS_NAND_ECCSIZE 512 219 #define CONFIG_SYS_NAND_ECCBYTES 3 220 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_HW 221 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 222 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 223 224 #endif /* __CONFIG_H */ 225