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 /* High Level Configuration Options */ 17 18 #define CONFIG_OMAP 19 #define CONFIG_OMAP_COMMON 20 21 #define CONFIG_SYS_NO_FLASH 22 23 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 24 25 /* Common ARM Erratas */ 26 #define CONFIG_ARM_ERRATA_454179 27 #define CONFIG_ARM_ERRATA_430973 28 #define CONFIG_ARM_ERRATA_621766 29 30 #define CONFIG_EMIF4 /* The chip has EMIF4 controller */ 31 32 /* 33 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM 34 * 64 bytes before this address should be set aside for u-boot.img's 35 * header. That is 0x800FFFC0--0x80100000 should not be used for any 36 * other needs. 37 */ 38 #define CONFIG_SYS_TEXT_BASE 0x80100000 39 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 40 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 41 42 #include <asm/arch/cpu.h> /* get chip and board defs */ 43 #include <asm/arch/omap.h> 44 45 #define CONFIG_MISC_INIT_R 46 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 47 #define CONFIG_SETUP_MEMORY_TAGS 48 #define CONFIG_INITRD_TAG 49 #define CONFIG_REVISION_TAG 50 51 /* Clock Defines */ 52 #define V_OSCK 26000000 /* Clock output from T2 */ 53 #define V_SCLK (V_OSCK >> 1) 54 55 /* Size of malloc() pool */ 56 #define CONFIG_SYS_MALLOC_LEN (16 << 20) 57 58 /* Hardware drivers */ 59 60 /* OMAP GPIO configuration */ 61 #define CONFIG_OMAP_GPIO 62 63 /* NS16550 Configuration */ 64 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 65 #define CONFIG_SYS_NS16550_SERIAL 66 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 67 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 68 69 /* select serial console configuration */ 70 #define CONFIG_CONS_INDEX 3 71 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 72 #define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */ 73 74 /* allow to overwrite serial and ethaddr */ 75 #define CONFIG_ENV_OVERWRITE 76 #define CONFIG_BAUDRATE 115200 77 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 78 115200} 79 80 /* SD/MMC */ 81 #define CONFIG_MMC 82 #define CONFIG_GENERIC_MMC 83 #define CONFIG_OMAP_HSMMC 84 #define CONFIG_DOS_PARTITION 85 86 /* 87 * USB configuration 88 * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard 89 * Enable CONFIG_USB_MUSB_GADGET for Device functionalities. 90 */ 91 #define CONFIG_USB_MUSB_AM35X 92 #define CONFIG_USB_MUSB_PIO_ONLY 93 94 #ifdef CONFIG_USB_MUSB_AM35X 95 96 #ifdef CONFIG_USB_MUSB_HOST 97 98 #define CONGIG_CMD_STORAGE 99 100 #ifdef CONFIG_USB_KEYBOARD 101 #define CONFIG_SYS_USB_EVENT_POLL 102 #define CONFIG_PREBOOT "usb start" 103 #endif /* CONFIG_USB_KEYBOARD */ 104 105 #endif /* CONFIG_USB_MUSB_HOST */ 106 107 #ifdef CONFIG_USB_MUSB_GADGET 108 #define CONFIG_USB_ETHER 109 #define CONFIG_USB_ETH_RNDIS 110 #endif /* CONFIG_USB_MUSB_GADGET */ 111 112 #endif /* CONFIG_USB_MUSB_AM35X */ 113 114 /* commands to include */ 115 #define CONFIG_CMD_NAND 116 #define CONFIG_CMD_PART 117 #define CONFIG_CMD_MTDPARTS 118 119 /* I2C */ 120 #define CONFIG_SYS_I2C 121 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 122 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 123 #define CONFIG_SYS_I2C_OMAP34XX 124 125 /* Ethernet */ 126 #define CONFIG_DRIVER_TI_EMAC 127 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 128 #define CONFIG_MII 129 #define CONFIG_BOOTP_DEFAULT 130 #define CONFIG_BOOTP_DNS 131 #define CONFIG_BOOTP_DNS2 132 #define CONFIG_BOOTP_SEND_HOSTNAME 133 #define CONFIG_NET_RETRY_COUNT 10 134 135 /* Board NAND Info. */ 136 #ifdef CONFIG_NAND 137 #define CONFIG_NAND_OMAP_GPMC 138 #define CONFIG_NAND_OMAP_GPMC_PREFETCH 139 #define CONFIG_BCH 140 #define CONFIG_CMD_UBIFS /* Read-only UBI volume operations */ 141 #define CONFIG_RBTREE /* required by CONFIG_CMD_UBI */ 142 #define CONFIG_LZO /* required by CONFIG_CMD_UBIFS */ 143 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 144 /* to access nand */ 145 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 146 /* to access */ 147 /* nand at CS0 */ 148 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ 149 /* NAND devices */ 150 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 151 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 152 #define CONFIG_SYS_NAND_PAGE_COUNT 64 153 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 154 #define CONFIG_SYS_NAND_OOBSIZE 64 155 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 156 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 157 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 158 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 159 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 160 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 161 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 162 50, 51, 52, 53, 54, 55, 56 } 163 164 #define CONFIG_SYS_NAND_ECCSIZE 512 165 #define CONFIG_SYS_NAND_ECCBYTES 13 166 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 167 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 168 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 169 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 170 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 171 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 172 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 173 /* NAND block size is 128 KiB. Synchronize these values with 174 * corresponding Device Tree entries in Linux: 175 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 176 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 177 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 178 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 179 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 180 * RootFS Remaining Flash Space @ 0xB20000 181 */ 182 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 183 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 184 "512k(MLO)," \ 185 "1920k(u-boot)," \ 186 "256k(u-boot-env)," \ 187 "8m(kernel)," \ 188 "512k(dtb)," \ 189 "-(rootfs)" 190 #else 191 #define MTDIDS_DEFAULT 192 #define MTDPARTS_DEFAULT 193 #endif /* CONFIG_NAND */ 194 195 /* Environment information */ 196 197 #define CONFIG_BOOTFILE "uImage" 198 199 #define CONFIG_EXTRA_ENV_SETTINGS \ 200 "loadaddr=0x82000000\0" \ 201 "console=ttyO2,115200n8\0" \ 202 "fdtfile=am3517-evm.dtb\0" \ 203 "fdtaddr=0x82C00000\0" \ 204 "vram=16M\0" \ 205 "bootenv=uEnv.txt\0" \ 206 "cmdline=\0" \ 207 "optargs=\0" \ 208 "mtdids=" MTDIDS_DEFAULT "\0" \ 209 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 210 "mmcdev=0\0" \ 211 "mmcpart=1\0" \ 212 "mmcroot=/dev/mmcblk0p2 rw\0" \ 213 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 214 "mmcargs=setenv bootargs console=${console} " \ 215 "${mtdparts} " \ 216 "${optargs} " \ 217 "root=${mmcroot} " \ 218 "rootfstype=${mmcrootfstype} " \ 219 "${cmdline}\0" \ 220 "nandargs=setenv bootargs console=${console} " \ 221 "${mtdparts} " \ 222 "${optargs} " \ 223 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 224 "rootfstype=ubifs rootwait " \ 225 "${cmdline}\0" \ 226 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 227 "importbootenv=echo Importing environment from mmc ...; " \ 228 "env import -t ${loadaddr} ${filesize}\0" \ 229 "bootscript=echo Running bootscript from mmc ...; " \ 230 "source ${loadaddr}\0" \ 231 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 232 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 233 "mmcboot=echo Booting from mmc ...; " \ 234 "run mmcargs; " \ 235 "bootz ${loadaddr} - ${fdtaddr}\0" \ 236 "nandboot=echo Booting from nand ...; " \ 237 "run nandargs; " \ 238 "nand read ${loadaddr} 2a0000 800000; " \ 239 "nand read ${fdtaddr} aa0000 80000; " \ 240 "bootm ${loadaddr} - ${fdtaddr}\0" \ 241 242 #define CONFIG_BOOTCOMMAND \ 243 "mmc dev ${mmcdev}; if mmc rescan; then " \ 244 "echo SD/MMC found on device $mmcdev; " \ 245 "if run loadbootenv; then " \ 246 "run importbootenv; " \ 247 "fi; " \ 248 "echo Checking if uenvcmd is set ...; " \ 249 "if test -n $uenvcmd; then " \ 250 "echo Running uenvcmd ...; " \ 251 "run uenvcmd; " \ 252 "fi; " \ 253 "echo Running default loadimage ...; " \ 254 "setenv bootfile zImage; " \ 255 "if run loadimage; then " \ 256 "run loadfdt; " \ 257 "run mmcboot; " \ 258 "fi; " \ 259 "else run nandboot; fi" 260 261 /* Miscellaneous configurable options */ 262 #define CONFIG_AUTO_COMPLETE 263 #define CONFIG_CMDLINE_EDITING 264 #define CONFIG_SYS_LONGHELP 265 #define CONFIG_PARTITION_UUIDS 266 267 /* We set the max number of command args high to avoid HUSH bugs. */ 268 #define CONFIG_SYS_MAXARGS 64 269 270 /* Console I/O Buffer Size */ 271 #define CONFIG_SYS_CBSIZE 512 272 /* Print Buffer Size */ 273 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 274 + sizeof(CONFIG_SYS_PROMPT) + 16) 275 /* Boot Argument Buffer Size */ 276 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 277 278 /* memtest works on */ 279 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 280 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 281 0x01F00000) /* 31MB */ 282 283 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ 284 /* address */ 285 286 /* 287 * AM3517 has 12 GP timers, they can be driven by the system clock 288 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 289 * This rate is divided by a local divisor. 290 */ 291 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 292 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 293 294 /* Physical Memory Map */ 295 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 296 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 297 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 298 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 299 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 300 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 301 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 302 CONFIG_SYS_INIT_RAM_SIZE - \ 303 GENERATED_GBL_DATA_SIZE) 304 305 /* FLASH and environment organization */ 306 307 /* **** PISMO SUPPORT *** */ 308 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 309 /* on one chip */ 310 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 311 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 312 313 #if defined(CONFIG_NAND) 314 #define CONFIG_SYS_FLASH_BASE NAND_BASE 315 #endif 316 317 /* Monitor at start of flash */ 318 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 319 320 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 321 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 322 #define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ 323 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 324 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 325 #define CONFIG_ENV_IS_IN_NAND 326 327 /* Defines for SPL */ 328 #define CONFIG_SPL_FRAMEWORK 329 #define CONFIG_SPL_BOARD_INIT 330 #define CONFIG_SPL_NAND_SIMPLE 331 #define CONFIG_SPL_TEXT_BASE 0x40200000 332 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 333 CONFIG_SPL_TEXT_BASE) 334 335 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 336 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 337 338 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 339 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 340 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 341 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 342 343 #define CONFIG_SPL_NAND_BASE 344 #define CONFIG_SPL_NAND_DRIVERS 345 #define CONFIG_SPL_NAND_ECC 346 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" 347 348 #endif /* __CONFIG_H */ 349