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 #define CONFIG_SYS_TEXT_BASE 0x80100000 25 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 26 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 27 28 #include <configs/ti_omap3_common.h> 29 #undef CONFIG_SDRC /* Disable SDRC since we have EMIF4 */ 30 31 #define CONFIG_MISC_INIT_R 32 #define CONFIG_REVISION_TAG 33 34 /* Hardware drivers */ 35 36 /* NS16550 Configuration */ 37 #define CONFIG_SYS_NS16550_SERIAL 38 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 39 40 /* select serial console configuration */ 41 #define CONFIG_CONS_INDEX 3 42 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 43 #define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */ 44 45 46 /* allow to overwrite serial and ethaddr */ 47 #define CONFIG_ENV_OVERWRITE 48 49 /* 50 * USB configuration 51 * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard 52 * Enable CONFIG_USB_MUSB_GADGET for Device functionalities. 53 */ 54 #define CONFIG_USB_MUSB_AM35X 55 #define CONFIG_USB_MUSB_PIO_ONLY 56 57 #ifdef CONFIG_USB_MUSB_AM35X 58 59 #ifdef CONFIG_USB_MUSB_HOST 60 61 #ifdef CONFIG_USB_KEYBOARD 62 #define CONFIG_PREBOOT "usb start" 63 #endif /* CONFIG_USB_KEYBOARD */ 64 65 #endif /* CONFIG_USB_MUSB_HOST */ 66 67 #ifdef CONFIG_USB_MUSB_GADGET 68 #define CONFIG_USB_ETHER 69 #define CONFIG_USB_ETH_RNDIS 70 #endif /* CONFIG_USB_MUSB_GADGET */ 71 72 #endif /* CONFIG_USB_MUSB_AM35X */ 73 74 /* I2C */ 75 #define CONFIG_SYS_I2C 76 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 77 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 78 79 /* Ethernet */ 80 #define CONFIG_DRIVER_TI_EMAC 81 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 82 #define CONFIG_MII 83 #define CONFIG_BOOTP_DEFAULT 84 #define CONFIG_BOOTP_DNS 85 #define CONFIG_BOOTP_DNS2 86 #define CONFIG_BOOTP_SEND_HOSTNAME 87 #define CONFIG_NET_RETRY_COUNT 10 88 89 /* Board NAND Info. */ 90 #ifdef CONFIG_NAND 91 #define CONFIG_NAND_OMAP_GPMC_PREFETCH 92 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 93 /* to access nand */ 94 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 95 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 96 #define CONFIG_SYS_NAND_PAGE_COUNT 64 97 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 98 #define CONFIG_SYS_NAND_OOBSIZE 64 99 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 100 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 101 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 102 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 103 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 104 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 105 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 106 50, 51, 52, 53, 54, 55, 56 } 107 108 #define CONFIG_SYS_NAND_ECCSIZE 512 109 #define CONFIG_SYS_NAND_ECCBYTES 13 110 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 111 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 112 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 113 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 114 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 115 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 116 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 117 /* NAND block size is 128 KiB. Synchronize these values with 118 * corresponding Device Tree entries in Linux: 119 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 120 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 121 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 122 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 123 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 124 * RootFS Remaining Flash Space @ 0xB20000 125 */ 126 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 127 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 128 "512k(MLO)," \ 129 "1920k(u-boot)," \ 130 "256k(u-boot-env)," \ 131 "8m(kernel)," \ 132 "512k(dtb)," \ 133 "-(rootfs)" 134 #else 135 #define MTDIDS_DEFAULT 136 #define MTDPARTS_DEFAULT 137 #endif /* CONFIG_NAND */ 138 139 /* Environment information */ 140 141 #define CONFIG_BOOTFILE "uImage" 142 143 #define CONFIG_EXTRA_ENV_SETTINGS \ 144 "loadaddr=0x82000000\0" \ 145 "console=ttyO2,115200n8\0" \ 146 "fdtfile=am3517-evm.dtb\0" \ 147 "fdtaddr=0x82C00000\0" \ 148 "vram=16M\0" \ 149 "bootenv=uEnv.txt\0" \ 150 "cmdline=\0" \ 151 "optargs=\0" \ 152 "mtdids=" MTDIDS_DEFAULT "\0" \ 153 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 154 "mmcdev=0\0" \ 155 "mmcpart=1\0" \ 156 "mmcroot=/dev/mmcblk0p2 rw\0" \ 157 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 158 "mmcargs=setenv bootargs console=${console} " \ 159 "${mtdparts} " \ 160 "${optargs} " \ 161 "root=${mmcroot} " \ 162 "rootfstype=${mmcrootfstype} " \ 163 "${cmdline}\0" \ 164 "nandargs=setenv bootargs console=${console} " \ 165 "${mtdparts} " \ 166 "${optargs} " \ 167 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 168 "rootfstype=ubifs rootwait " \ 169 "${cmdline}\0" \ 170 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 171 "importbootenv=echo Importing environment from mmc ...; " \ 172 "env import -t ${loadaddr} ${filesize}\0" \ 173 "bootscript=echo Running bootscript from mmc ...; " \ 174 "source ${loadaddr}\0" \ 175 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 176 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 177 "mmcboot=echo Booting from mmc ...; " \ 178 "run mmcargs; " \ 179 "bootz ${loadaddr} - ${fdtaddr}\0" \ 180 "nandboot=echo Booting from nand ...; " \ 181 "run nandargs; " \ 182 "nand read ${loadaddr} 2a0000 800000; " \ 183 "nand read ${fdtaddr} aa0000 80000; " \ 184 "bootm ${loadaddr} - ${fdtaddr}\0" \ 185 186 #define CONFIG_BOOTCOMMAND \ 187 "mmc dev ${mmcdev}; if mmc rescan; then " \ 188 "echo SD/MMC found on device $mmcdev; " \ 189 "if run loadbootenv; then " \ 190 "run importbootenv; " \ 191 "fi; " \ 192 "echo Checking if uenvcmd is set ...; " \ 193 "if test -n $uenvcmd; then " \ 194 "echo Running uenvcmd ...; " \ 195 "run uenvcmd; " \ 196 "fi; " \ 197 "echo Running default loadimage ...; " \ 198 "setenv bootfile zImage; " \ 199 "if run loadimage; then " \ 200 "run loadfdt; " \ 201 "run mmcboot; " \ 202 "fi; " \ 203 "else run nandboot; fi" 204 205 /* Miscellaneous configurable options */ 206 #define CONFIG_AUTO_COMPLETE 207 #define CONFIG_CMDLINE_EDITING 208 #define CONFIG_SYS_LONGHELP 209 210 /* We set the max number of command args high to avoid HUSH bugs. */ 211 #define CONFIG_SYS_MAXARGS 64 212 213 /* Print Buffer Size */ 214 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 215 + sizeof(CONFIG_SYS_PROMPT) + 16) 216 /* Boot Argument Buffer Size */ 217 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 218 219 /* memtest works on */ 220 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 221 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 222 0x01F00000) /* 31MB */ 223 224 /* Physical Memory Map */ 225 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 226 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 227 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 228 229 /* FLASH and environment organization */ 230 231 /* **** PISMO SUPPORT *** */ 232 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 233 /* on one chip */ 234 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 235 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 236 237 #if defined(CONFIG_NAND) 238 #define CONFIG_SYS_FLASH_BASE NAND_BASE 239 #endif 240 241 /* Monitor at start of flash */ 242 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 243 244 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 245 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 246 #define CONFIG_ENV_OFFSET 0x260000 247 #define CONFIG_ENV_ADDR 0x260000 248 249 /* Defines for SPL */ 250 #define CONFIG_SPL_FRAMEWORK 251 #undef CONFIG_SPL_TEXT_BASE 252 #define CONFIG_SPL_TEXT_BASE 0x40200000 253 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 254 CONFIG_SPL_TEXT_BASE) 255 256 #undef CONFIG_SPL_BSS_START_ADDR 257 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 258 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 259 260 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 261 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 262 263 #define CONFIG_SPL_NAND_BASE 264 #define CONFIG_SPL_NAND_DRIVERS 265 #define CONFIG_SPL_NAND_ECC 266 267 #endif /* __CONFIG_H */ 268