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 #define CONFIG_EMIF4 /* The chip has EMIF4 controller */ 18 19 /* 20 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 21 * 64 bytes before this address should be set aside for u-boot.img's 22 * header. That is 0x800FFFC0--0x80100000 should not be used for any 23 * other needs. 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 /* NS16550 Configuration */ 38 #define CONFIG_SYS_NS16550_SERIAL 39 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 40 41 /* select serial console configuration */ 42 #define CONFIG_CONS_INDEX 3 43 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 44 #define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */ 45 46 47 /* allow to overwrite serial and ethaddr */ 48 #define CONFIG_ENV_OVERWRITE 49 50 /* 51 * USB configuration 52 * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard 53 * Enable CONFIG_USB_MUSB_GADGET for Device functionalities. 54 */ 55 #define CONFIG_USB_MUSB_AM35X 56 #define CONFIG_USB_MUSB_PIO_ONLY 57 58 #ifdef CONFIG_USB_MUSB_AM35X 59 60 #ifdef CONFIG_USB_MUSB_HOST 61 62 #ifdef CONFIG_USB_KEYBOARD 63 #define CONFIG_PREBOOT "usb start" 64 #endif /* CONFIG_USB_KEYBOARD */ 65 66 #endif /* CONFIG_USB_MUSB_HOST */ 67 68 #ifdef CONFIG_USB_MUSB_GADGET 69 #define CONFIG_USB_ETHER 70 #define CONFIG_USB_ETH_RNDIS 71 #endif /* CONFIG_USB_MUSB_GADGET */ 72 73 #endif /* CONFIG_USB_MUSB_AM35X */ 74 75 /* I2C */ 76 #define CONFIG_SYS_I2C 77 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 78 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 79 80 /* Ethernet */ 81 #define CONFIG_DRIVER_TI_EMAC 82 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 83 #define CONFIG_MII 84 #define CONFIG_BOOTP_DEFAULT 85 #define CONFIG_BOOTP_DNS 86 #define CONFIG_BOOTP_DNS2 87 #define CONFIG_BOOTP_SEND_HOSTNAME 88 #define CONFIG_NET_RETRY_COUNT 10 89 90 /* Board NAND Info. */ 91 #ifdef CONFIG_NAND 92 #define CONFIG_NAND_OMAP_GPMC_PREFETCH 93 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 94 /* to access nand */ 95 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 96 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 97 #define CONFIG_SYS_NAND_PAGE_COUNT 64 98 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 99 #define CONFIG_SYS_NAND_OOBSIZE 64 100 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 101 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 102 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 103 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 104 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 105 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 106 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 107 50, 51, 52, 53, 54, 55, 56 } 108 109 #define CONFIG_SYS_NAND_ECCSIZE 512 110 #define CONFIG_SYS_NAND_ECCBYTES 13 111 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 112 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 113 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 114 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 115 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 116 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 117 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 118 /* NAND block size is 128 KiB. Synchronize these values with 119 * corresponding Device Tree entries in Linux: 120 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 121 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 122 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 123 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 124 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 125 * RootFS Remaining Flash Space @ 0xB20000 126 */ 127 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 128 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 129 "512k(MLO)," \ 130 "1920k(u-boot)," \ 131 "256k(u-boot-env)," \ 132 "8m(kernel)," \ 133 "512k(dtb)," \ 134 "-(rootfs)" 135 #else 136 #define MTDIDS_DEFAULT 137 #define MTDPARTS_DEFAULT 138 #endif /* CONFIG_NAND */ 139 140 /* Environment information */ 141 142 #define CONFIG_BOOTFILE "uImage" 143 144 #define CONFIG_EXTRA_ENV_SETTINGS \ 145 "loadaddr=0x82000000\0" \ 146 "console=ttyO2,115200n8\0" \ 147 "fdtfile=am3517-evm.dtb\0" \ 148 "fdtaddr=0x82C00000\0" \ 149 "vram=16M\0" \ 150 "bootenv=uEnv.txt\0" \ 151 "cmdline=\0" \ 152 "optargs=\0" \ 153 "mtdids=" MTDIDS_DEFAULT "\0" \ 154 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 155 "mmcdev=0\0" \ 156 "mmcpart=1\0" \ 157 "mmcroot=/dev/mmcblk0p2 rw\0" \ 158 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 159 "mmcargs=setenv bootargs console=${console} " \ 160 "${mtdparts} " \ 161 "${optargs} " \ 162 "root=${mmcroot} " \ 163 "rootfstype=${mmcrootfstype} " \ 164 "${cmdline}\0" \ 165 "nandargs=setenv bootargs console=${console} " \ 166 "${mtdparts} " \ 167 "${optargs} " \ 168 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 169 "rootfstype=ubifs rootwait " \ 170 "${cmdline}\0" \ 171 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 172 "importbootenv=echo Importing environment from mmc ...; " \ 173 "env import -t ${loadaddr} ${filesize}\0" \ 174 "bootscript=echo Running bootscript from mmc ...; " \ 175 "source ${loadaddr}\0" \ 176 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 177 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 178 "mmcboot=echo Booting from mmc ...; " \ 179 "run mmcargs; " \ 180 "bootz ${loadaddr} - ${fdtaddr}\0" \ 181 "nandboot=echo Booting from nand ...; " \ 182 "run nandargs; " \ 183 "nand read ${loadaddr} 2a0000 800000; " \ 184 "nand read ${fdtaddr} aa0000 80000; " \ 185 "bootm ${loadaddr} - ${fdtaddr}\0" \ 186 187 #define CONFIG_BOOTCOMMAND \ 188 "mmc dev ${mmcdev}; if mmc rescan; then " \ 189 "echo SD/MMC found on device $mmcdev; " \ 190 "if run loadbootenv; then " \ 191 "run importbootenv; " \ 192 "fi; " \ 193 "echo Checking if uenvcmd is set ...; " \ 194 "if test -n $uenvcmd; then " \ 195 "echo Running uenvcmd ...; " \ 196 "run uenvcmd; " \ 197 "fi; " \ 198 "echo Running default loadimage ...; " \ 199 "setenv bootfile zImage; " \ 200 "if run loadimage; then " \ 201 "run loadfdt; " \ 202 "run mmcboot; " \ 203 "fi; " \ 204 "else run nandboot; fi" 205 206 /* Miscellaneous configurable options */ 207 #define CONFIG_AUTO_COMPLETE 208 #define CONFIG_CMDLINE_EDITING 209 #define CONFIG_SYS_LONGHELP 210 211 /* We set the max number of command args high to avoid HUSH bugs. */ 212 #define CONFIG_SYS_MAXARGS 64 213 214 /* Print Buffer Size */ 215 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 216 + sizeof(CONFIG_SYS_PROMPT) + 16) 217 /* Boot Argument Buffer Size */ 218 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 219 220 /* memtest works on */ 221 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 222 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 223 0x01F00000) /* 31MB */ 224 225 /* Physical Memory Map */ 226 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 227 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 228 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 229 230 /* FLASH and environment organization */ 231 232 /* **** PISMO SUPPORT *** */ 233 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 234 /* on one chip */ 235 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 236 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 237 238 #if defined(CONFIG_NAND) 239 #define CONFIG_SYS_FLASH_BASE NAND_BASE 240 #endif 241 242 /* Monitor at start of flash */ 243 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 244 245 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 246 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 247 #define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ 248 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 249 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 250 251 /* Defines for SPL */ 252 #define CONFIG_SPL_FRAMEWORK 253 #undef CONFIG_SPL_TEXT_BASE 254 #define CONFIG_SPL_TEXT_BASE 0x40200000 255 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 256 CONFIG_SPL_TEXT_BASE) 257 258 #undef CONFIG_SPL_BSS_START_ADDR 259 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 260 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 261 262 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 263 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 264 265 #define CONFIG_SPL_NAND_BASE 266 #define CONFIG_SPL_NAND_DRIVERS 267 #define CONFIG_SPL_NAND_ECC 268 269 #endif /* __CONFIG_H */ 270