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