1 /* 2 * am3517_evm.h - Default configuration for AM3517 EVM board. 3 * 4 * Author: Vaibhav Hiremath <hvaibhav@ti.com> 5 * 6 * Based on omap3_evm_config.h 7 * 8 * Copyright (C) 2010 Texas Instruments Incorporated 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #ifndef __CONFIG_H 14 #define __CONFIG_H 15 16 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 17 18 /* 19 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 20 * 64 bytes before this address should be set aside for u-boot.img's 21 * header. That is 0x800FFFC0--0x80100000 should not be used for any 22 * other needs. 23 */ 24 25 #define CONFIG_SYS_TEXT_BASE 0x80100000 26 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 27 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 28 29 #include <configs/ti_omap3_common.h> 30 #undef CONFIG_SDRC /* Disable SDRC since we have EMIF4 */ 31 32 #define CONFIG_MISC_INIT_R 33 #define CONFIG_REVISION_TAG 34 35 /* Hardware drivers */ 36 37 /* allow to overwrite serial and ethaddr */ 38 #define CONFIG_ENV_OVERWRITE 39 40 /* 41 * USB configuration 42 * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard 43 * Enable CONFIG_USB_MUSB_GADGET for Device functionalities. 44 */ 45 #define CONFIG_USB_MUSB_AM35X 46 #define CONFIG_USB_MUSB_PIO_ONLY 47 48 #ifdef CONFIG_USB_MUSB_AM35X 49 50 #ifdef CONFIG_USB_MUSB_HOST 51 52 #ifdef CONFIG_USB_KEYBOARD 53 #define CONFIG_PREBOOT "usb start" 54 #endif /* CONFIG_USB_KEYBOARD */ 55 56 #endif /* CONFIG_USB_MUSB_HOST */ 57 58 #endif /* CONFIG_USB_MUSB_AM35X */ 59 60 /* I2C */ 61 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 62 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 63 64 /* Ethernet */ 65 #define CONFIG_DRIVER_TI_EMAC 66 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 67 #define CONFIG_MII 68 #define CONFIG_BOOTP_DEFAULT 69 #define CONFIG_BOOTP_DNS 70 #define CONFIG_BOOTP_DNS2 71 #define CONFIG_BOOTP_SEND_HOSTNAME 72 #define CONFIG_NET_RETRY_COUNT 10 73 74 /* Board NAND Info. */ 75 #ifdef CONFIG_NAND 76 #define CONFIG_NAND_OMAP_GPMC_PREFETCH 77 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 78 /* to access nand */ 79 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 80 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 81 #define CONFIG_SYS_NAND_PAGE_COUNT 64 82 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 83 #define CONFIG_SYS_NAND_OOBSIZE 64 84 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 85 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 86 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 87 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 88 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 89 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 90 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 91 50, 51, 52, 53, 54, 55, 56 } 92 93 #define CONFIG_SYS_NAND_ECCSIZE 512 94 #define CONFIG_SYS_NAND_ECCBYTES 13 95 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 96 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 97 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 98 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 99 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 100 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 101 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 102 /* NAND block size is 128 KiB. Synchronize these values with 103 * corresponding Device Tree entries in Linux: 104 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 105 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 106 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 107 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 108 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 109 * RootFS Remaining Flash Space @ 0xB20000 110 */ 111 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 112 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 113 "512k(MLO)," \ 114 "1920k(u-boot)," \ 115 "256k(u-boot-env)," \ 116 "8m(kernel)," \ 117 "512k(dtb)," \ 118 "-(rootfs)" 119 #else 120 #define MTDIDS_DEFAULT 121 #define MTDPARTS_DEFAULT 122 #endif /* CONFIG_NAND */ 123 124 /* Environment information */ 125 126 #define CONFIG_BOOTFILE "uImage" 127 128 #define CONFIG_EXTRA_ENV_SETTINGS \ 129 "loadaddr=0x82000000\0" \ 130 "console=ttyO2,115200n8\0" \ 131 "fdtfile=am3517-evm.dtb\0" \ 132 "fdtaddr=0x82C00000\0" \ 133 "vram=16M\0" \ 134 "bootenv=uEnv.txt\0" \ 135 "cmdline=\0" \ 136 "optargs=\0" \ 137 "mtdids=" MTDIDS_DEFAULT "\0" \ 138 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 139 "mmcdev=0\0" \ 140 "mmcpart=1\0" \ 141 "mmcroot=/dev/mmcblk0p2 rw\0" \ 142 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 143 "mmcargs=setenv bootargs console=${console} " \ 144 "${mtdparts} " \ 145 "${optargs} " \ 146 "root=${mmcroot} " \ 147 "rootfstype=${mmcrootfstype} " \ 148 "${cmdline}\0" \ 149 "nandargs=setenv bootargs console=${console} " \ 150 "${mtdparts} " \ 151 "${optargs} " \ 152 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 153 "rootfstype=ubifs rootwait " \ 154 "${cmdline}\0" \ 155 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 156 "importbootenv=echo Importing environment from mmc ...; " \ 157 "env import -t ${loadaddr} ${filesize}\0" \ 158 "bootscript=echo Running bootscript from mmc ...; " \ 159 "source ${loadaddr}\0" \ 160 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 161 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 162 "mmcboot=echo Booting from mmc ...; " \ 163 "run mmcargs; " \ 164 "bootz ${loadaddr} - ${fdtaddr}\0" \ 165 "nandboot=echo Booting from nand ...; " \ 166 "run nandargs; " \ 167 "nand read ${loadaddr} 2a0000 800000; " \ 168 "nand read ${fdtaddr} aa0000 80000; " \ 169 "bootm ${loadaddr} - ${fdtaddr}\0" \ 170 171 #define CONFIG_BOOTCOMMAND \ 172 "mmc dev ${mmcdev}; if mmc rescan; then " \ 173 "echo SD/MMC found on device $mmcdev; " \ 174 "if run loadbootenv; then " \ 175 "run importbootenv; " \ 176 "fi; " \ 177 "echo Checking if uenvcmd is set ...; " \ 178 "if test -n $uenvcmd; then " \ 179 "echo Running uenvcmd ...; " \ 180 "run uenvcmd; " \ 181 "fi; " \ 182 "echo Running default loadimage ...; " \ 183 "setenv bootfile zImage; " \ 184 "if run loadimage; then " \ 185 "run loadfdt; " \ 186 "run mmcboot; " \ 187 "fi; " \ 188 "else run nandboot; fi" 189 190 /* Miscellaneous configurable options */ 191 #define CONFIG_AUTO_COMPLETE 192 #define CONFIG_CMDLINE_EDITING 193 #define CONFIG_SYS_LONGHELP 194 195 /* We set the max number of command args high to avoid HUSH bugs. */ 196 #define CONFIG_SYS_MAXARGS 64 197 198 /* Print Buffer Size */ 199 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 200 + sizeof(CONFIG_SYS_PROMPT) + 16) 201 /* Boot Argument Buffer Size */ 202 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 203 204 /* memtest works on */ 205 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 206 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 207 0x01F00000) /* 31MB */ 208 209 /* Physical Memory Map */ 210 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 211 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 212 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 213 214 /* FLASH and environment organization */ 215 216 /* **** PISMO SUPPORT *** */ 217 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 218 /* on one chip */ 219 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 220 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 221 222 #if defined(CONFIG_NAND) 223 #define CONFIG_SYS_FLASH_BASE NAND_BASE 224 #endif 225 226 /* Monitor at start of flash */ 227 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 228 229 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 230 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 231 #define CONFIG_ENV_OFFSET 0x260000 232 #define CONFIG_ENV_ADDR 0x260000 233 234 /* Defines for SPL */ 235 #define CONFIG_SPL_FRAMEWORK 236 #undef CONFIG_SPL_TEXT_BASE 237 #define CONFIG_SPL_TEXT_BASE 0x40200000 238 239 #undef CONFIG_SPL_BSS_START_ADDR 240 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 241 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 242 243 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 244 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 245 246 #define CONFIG_SPL_NAND_BASE 247 #define CONFIG_SPL_NAND_DRIVERS 248 #define CONFIG_SPL_NAND_ECC 249 250 #endif /* __CONFIG_H */ 251