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_ADDR NAND_BASE /* physical address */ 70 /* to access nand */ 71 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 72 #define CONFIG_SYS_NAND_PAGE_COUNT 64 73 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 74 #define CONFIG_SYS_NAND_OOBSIZE 64 75 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 76 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 77 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 78 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 79 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 80 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 81 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 82 50, 51, 52, 53, 54, 55, 56 } 83 84 #define CONFIG_SYS_NAND_ECCSIZE 512 85 #define CONFIG_SYS_NAND_ECCBYTES 13 86 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 87 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 88 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 89 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 90 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 91 /* NAND block size is 128 KiB. Synchronize these values with 92 * corresponding Device Tree entries in Linux: 93 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 94 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 95 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 96 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 97 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 98 * RootFS Remaining Flash Space @ 0xB20000 99 */ 100 #endif /* CONFIG_NAND */ 101 102 /* Environment information */ 103 104 #define CONFIG_BOOTFILE "uImage" 105 106 #define CONFIG_EXTRA_ENV_SETTINGS \ 107 "loadaddr=0x82000000\0" \ 108 "console=ttyO2,115200n8\0" \ 109 "fdtfile=am3517-evm.dtb\0" \ 110 "fdtaddr=0x82C00000\0" \ 111 "vram=16M\0" \ 112 "bootenv=uEnv.txt\0" \ 113 "cmdline=\0" \ 114 "optargs=\0" \ 115 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 116 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 117 "mmcdev=0\0" \ 118 "mmcpart=1\0" \ 119 "mmcroot=/dev/mmcblk0p2 rw\0" \ 120 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 121 "mmcargs=setenv bootargs console=${console} " \ 122 "${mtdparts} " \ 123 "${optargs} " \ 124 "root=${mmcroot} " \ 125 "rootfstype=${mmcrootfstype} " \ 126 "${cmdline}\0" \ 127 "nandargs=setenv bootargs console=${console} " \ 128 "${mtdparts} " \ 129 "${optargs} " \ 130 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 131 "rootfstype=ubifs rootwait " \ 132 "${cmdline}\0" \ 133 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 134 "importbootenv=echo Importing environment from mmc ...; " \ 135 "env import -t ${loadaddr} ${filesize}\0" \ 136 "bootscript=echo Running bootscript from mmc ...; " \ 137 "source ${loadaddr}\0" \ 138 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 139 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 140 "mmcboot=echo Booting from mmc ...; " \ 141 "run mmcargs; " \ 142 "bootz ${loadaddr} - ${fdtaddr}\0" \ 143 "nandboot=echo Booting from nand ...; " \ 144 "run nandargs; " \ 145 "nand read ${loadaddr} 2a0000 800000; " \ 146 "nand read ${fdtaddr} aa0000 80000; " \ 147 "bootm ${loadaddr} - ${fdtaddr}\0" \ 148 149 #define CONFIG_BOOTCOMMAND \ 150 "mmc dev ${mmcdev}; if mmc rescan; then " \ 151 "echo SD/MMC found on device $mmcdev; " \ 152 "if run loadbootenv; then " \ 153 "run importbootenv; " \ 154 "fi; " \ 155 "echo Checking if uenvcmd is set ...; " \ 156 "if test -n $uenvcmd; then " \ 157 "echo Running uenvcmd ...; " \ 158 "run uenvcmd; " \ 159 "fi; " \ 160 "echo Running default loadimage ...; " \ 161 "setenv bootfile zImage; " \ 162 "if run loadimage; then " \ 163 "run loadfdt; " \ 164 "run mmcboot; " \ 165 "fi; " \ 166 "else run nandboot; fi" 167 168 /* Miscellaneous configurable options */ 169 170 /* We set the max number of command args high to avoid HUSH bugs. */ 171 #define CONFIG_SYS_MAXARGS 64 172 173 /* Print Buffer Size */ 174 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 175 + sizeof(CONFIG_SYS_PROMPT) + 16) 176 /* Boot Argument Buffer Size */ 177 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 178 179 /* memtest works on */ 180 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 181 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 182 0x01F00000) /* 31MB */ 183 184 /* Physical Memory Map */ 185 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 186 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 187 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 188 189 /* FLASH and environment organization */ 190 191 /* **** PISMO SUPPORT *** */ 192 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 193 /* on one chip */ 194 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 195 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 196 197 #if defined(CONFIG_NAND) 198 #define CONFIG_SYS_FLASH_BASE NAND_BASE 199 #endif 200 201 /* Monitor at start of flash */ 202 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 203 204 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 205 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 206 #define CONFIG_ENV_OFFSET 0x260000 207 #define CONFIG_ENV_ADDR 0x260000 208 209 /* Defines for SPL */ 210 #undef CONFIG_SPL_TEXT_BASE 211 #define CONFIG_SPL_TEXT_BASE 0x40200000 212 213 #undef CONFIG_SPL_BSS_START_ADDR 214 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 215 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 216 217 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 218 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 219 220 #define CONFIG_SPL_NAND_BASE 221 #define CONFIG_SPL_NAND_DRIVERS 222 #define CONFIG_SPL_NAND_ECC 223 224 #endif /* __CONFIG_H */ 225