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