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_SYS_NAND_ADDR NAND_BASE /* physical address */ 77 /* to access nand */ 78 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 79 #define CONFIG_SYS_NAND_PAGE_COUNT 64 80 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 81 #define CONFIG_SYS_NAND_OOBSIZE 64 82 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 83 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 84 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 85 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 86 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 87 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 88 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 89 50, 51, 52, 53, 54, 55, 56 } 90 91 #define CONFIG_SYS_NAND_ECCSIZE 512 92 #define CONFIG_SYS_NAND_ECCBYTES 13 93 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 94 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 95 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 96 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 97 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 98 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 99 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 100 /* NAND block size is 128 KiB. Synchronize these values with 101 * corresponding Device Tree entries in Linux: 102 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 103 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 104 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 105 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 106 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 107 * RootFS Remaining Flash Space @ 0xB20000 108 */ 109 #endif /* CONFIG_NAND */ 110 111 /* Environment information */ 112 113 #define CONFIG_BOOTFILE "uImage" 114 115 #define CONFIG_EXTRA_ENV_SETTINGS \ 116 "loadaddr=0x82000000\0" \ 117 "console=ttyO2,115200n8\0" \ 118 "fdtfile=am3517-evm.dtb\0" \ 119 "fdtaddr=0x82C00000\0" \ 120 "vram=16M\0" \ 121 "bootenv=uEnv.txt\0" \ 122 "cmdline=\0" \ 123 "optargs=\0" \ 124 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 125 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 126 "mmcdev=0\0" \ 127 "mmcpart=1\0" \ 128 "mmcroot=/dev/mmcblk0p2 rw\0" \ 129 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 130 "mmcargs=setenv bootargs console=${console} " \ 131 "${mtdparts} " \ 132 "${optargs} " \ 133 "root=${mmcroot} " \ 134 "rootfstype=${mmcrootfstype} " \ 135 "${cmdline}\0" \ 136 "nandargs=setenv bootargs console=${console} " \ 137 "${mtdparts} " \ 138 "${optargs} " \ 139 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 140 "rootfstype=ubifs rootwait " \ 141 "${cmdline}\0" \ 142 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 143 "importbootenv=echo Importing environment from mmc ...; " \ 144 "env import -t ${loadaddr} ${filesize}\0" \ 145 "bootscript=echo Running bootscript from mmc ...; " \ 146 "source ${loadaddr}\0" \ 147 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 148 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 149 "mmcboot=echo Booting from mmc ...; " \ 150 "run mmcargs; " \ 151 "bootz ${loadaddr} - ${fdtaddr}\0" \ 152 "nandboot=echo Booting from nand ...; " \ 153 "run nandargs; " \ 154 "nand read ${loadaddr} 2a0000 800000; " \ 155 "nand read ${fdtaddr} aa0000 80000; " \ 156 "bootm ${loadaddr} - ${fdtaddr}\0" \ 157 158 #define CONFIG_BOOTCOMMAND \ 159 "mmc dev ${mmcdev}; if mmc rescan; then " \ 160 "echo SD/MMC found on device $mmcdev; " \ 161 "if run loadbootenv; then " \ 162 "run importbootenv; " \ 163 "fi; " \ 164 "echo Checking if uenvcmd is set ...; " \ 165 "if test -n $uenvcmd; then " \ 166 "echo Running uenvcmd ...; " \ 167 "run uenvcmd; " \ 168 "fi; " \ 169 "echo Running default loadimage ...; " \ 170 "setenv bootfile zImage; " \ 171 "if run loadimage; then " \ 172 "run loadfdt; " \ 173 "run mmcboot; " \ 174 "fi; " \ 175 "else run nandboot; fi" 176 177 /* Miscellaneous configurable options */ 178 #define CONFIG_AUTO_COMPLETE 179 #define CONFIG_CMDLINE_EDITING 180 #define CONFIG_SYS_LONGHELP 181 182 /* We set the max number of command args high to avoid HUSH bugs. */ 183 #define CONFIG_SYS_MAXARGS 64 184 185 /* Print Buffer Size */ 186 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 187 + sizeof(CONFIG_SYS_PROMPT) + 16) 188 /* Boot Argument Buffer Size */ 189 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 190 191 /* memtest works on */ 192 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 193 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 194 0x01F00000) /* 31MB */ 195 196 /* Physical Memory Map */ 197 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 198 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 199 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 200 201 /* FLASH and environment organization */ 202 203 /* **** PISMO SUPPORT *** */ 204 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 205 /* on one chip */ 206 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 207 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 208 209 #if defined(CONFIG_NAND) 210 #define CONFIG_SYS_FLASH_BASE NAND_BASE 211 #endif 212 213 /* Monitor at start of flash */ 214 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 215 216 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 217 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 218 #define CONFIG_ENV_OFFSET 0x260000 219 #define CONFIG_ENV_ADDR 0x260000 220 221 /* Defines for SPL */ 222 #define CONFIG_SPL_FRAMEWORK 223 #undef CONFIG_SPL_TEXT_BASE 224 #define CONFIG_SPL_TEXT_BASE 0x40200000 225 226 #undef CONFIG_SPL_BSS_START_ADDR 227 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 228 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 229 230 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 231 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 232 233 #define CONFIG_SPL_NAND_BASE 234 #define CONFIG_SPL_NAND_DRIVERS 235 #define CONFIG_SPL_NAND_ECC 236 237 #endif /* __CONFIG_H */ 238