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 /* Display CPU and Board information */ 46 #define CONFIG_DISPLAY_CPUINFO 47 #define CONFIG_DISPLAY_BOARDINFO 48 #define CONFIG_MISC_INIT_R 49 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 50 #define CONFIG_SETUP_MEMORY_TAGS 51 #define CONFIG_INITRD_TAG 52 #define CONFIG_REVISION_TAG 53 54 /* Clock Defines */ 55 #define V_OSCK 26000000 /* Clock output from T2 */ 56 #define V_SCLK (V_OSCK >> 1) 57 58 /* Size of malloc() pool */ 59 #define CONFIG_SYS_MALLOC_LEN (16 << 20) 60 61 /* Hardware drivers */ 62 63 /* OMAP GPIO configuration */ 64 #define CONFIG_OMAP_GPIO 65 66 /* NS16550 Configuration */ 67 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 68 #define CONFIG_SYS_NS16550_SERIAL 69 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 70 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 71 72 /* select serial console configuration */ 73 #define CONFIG_CONS_INDEX 3 74 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 75 #define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */ 76 77 /* allow to overwrite serial and ethaddr */ 78 #define CONFIG_ENV_OVERWRITE 79 #define CONFIG_BAUDRATE 115200 80 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 81 115200} 82 83 /* SD/MMC */ 84 #define CONFIG_MMC 85 #define CONFIG_GENERIC_MMC 86 #define CONFIG_OMAP_HSMMC 87 #define CONFIG_DOS_PARTITION 88 89 /* 90 * USB configuration 91 * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard 92 * Enable CONFIG_USB_MUSB_GADGET for Device functionalities. 93 */ 94 #define CONFIG_USB_MUSB_AM35X 95 #define CONFIG_USB_MUSB_PIO_ONLY 96 97 #ifdef CONFIG_USB_MUSB_AM35X 98 99 #ifdef CONFIG_USB_MUSB_HOST 100 101 #define CONGIG_CMD_STORAGE 102 103 #ifdef CONFIG_USB_KEYBOARD 104 #define CONFIG_SYS_USB_EVENT_POLL 105 #define CONFIG_PREBOOT "usb start" 106 #endif /* CONFIG_USB_KEYBOARD */ 107 108 #endif /* CONFIG_USB_MUSB_HOST */ 109 110 #ifdef CONFIG_USB_MUSB_GADGET 111 #define CONFIG_USB_ETHER 112 #define CONFIG_USB_ETH_RNDIS 113 #endif /* CONFIG_USB_MUSB_GADGET */ 114 115 #endif /* CONFIG_USB_MUSB_AM35X */ 116 117 /* commands to include */ 118 #define CONFIG_CMD_NAND 119 #define CONFIG_CMD_PART 120 #define CONFIG_CMD_MTDPARTS 121 122 /* I2C */ 123 #define CONFIG_SYS_I2C 124 #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 125 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 126 #define CONFIG_SYS_I2C_OMAP34XX 127 128 /* Ethernet */ 129 #define CONFIG_DRIVER_TI_EMAC 130 #define CONFIG_DRIVER_TI_EMAC_USE_RMII 131 #define CONFIG_MII 132 #define CONFIG_BOOTP_DEFAULT 133 #define CONFIG_BOOTP_DNS 134 #define CONFIG_BOOTP_DNS2 135 #define CONFIG_BOOTP_SEND_HOSTNAME 136 #define CONFIG_NET_RETRY_COUNT 10 137 138 /* Board NAND Info. */ 139 #ifdef CONFIG_NAND 140 #define CONFIG_NAND_OMAP_GPMC 141 #define CONFIG_NAND_OMAP_GPMC_PREFETCH 142 #define CONFIG_BCH 143 #define CONFIG_CMD_UBI /* UBI-formated MTD partition support */ 144 #define CONFIG_CMD_UBIFS /* Read-only UBI volume operations */ 145 #define CONFIG_RBTREE /* required by CONFIG_CMD_UBI */ 146 #define CONFIG_LZO /* required by CONFIG_CMD_UBIFS */ 147 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 148 /* to access nand */ 149 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 150 /* to access */ 151 /* nand at CS0 */ 152 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ 153 /* NAND devices */ 154 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT 155 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 156 #define CONFIG_SYS_NAND_PAGE_COUNT 64 157 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 158 #define CONFIG_SYS_NAND_OOBSIZE 64 159 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) 160 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 161 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \ 162 11, 12, 13, 14, 16, 17, 18, 19, 20, \ 163 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 164 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 165 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 166 50, 51, 52, 53, 54, 55, 56 } 167 168 #define CONFIG_SYS_NAND_ECCSIZE 512 169 #define CONFIG_SYS_NAND_ECCBYTES 13 170 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW 171 #define CONFIG_SYS_NAND_MAX_OOBFREE 2 172 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 173 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 174 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 175 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ 176 #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ 177 /* NAND block size is 128 KiB. Synchronize these values with 178 * corresponding Device Tree entries in Linux: 179 * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 180 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 181 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 182 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 183 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 184 * RootFS Remaining Flash Space @ 0xB20000 185 */ 186 #define MTDIDS_DEFAULT "nand0=omap2-nand.0" 187 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ 188 "512k(MLO)," \ 189 "1920k(u-boot)," \ 190 "256k(u-boot-env)," \ 191 "8m(kernel)," \ 192 "512k(dtb)," \ 193 "-(rootfs)" 194 #else 195 #define MTDIDS_DEFAULT 196 #define MTDPARTS_DEFAULT 197 #endif /* CONFIG_NAND */ 198 199 /* Environment information */ 200 201 #define CONFIG_BOOTFILE "uImage" 202 203 #define CONFIG_EXTRA_ENV_SETTINGS \ 204 "loadaddr=0x82000000\0" \ 205 "console=ttyO2,115200n8\0" \ 206 "fdtfile=am3517-evm.dtb\0" \ 207 "fdtaddr=0x82C00000\0" \ 208 "vram=16M\0" \ 209 "bootenv=uEnv.txt\0" \ 210 "cmdline=\0" \ 211 "optargs=\0" \ 212 "mtdids=" MTDIDS_DEFAULT "\0" \ 213 "mtdparts=" MTDPARTS_DEFAULT "\0" \ 214 "mmcdev=0\0" \ 215 "mmcpart=1\0" \ 216 "mmcroot=/dev/mmcblk0p2 rw\0" \ 217 "mmcrootfstype=ext4 rootwait fixrtc\0" \ 218 "mmcargs=setenv bootargs console=${console} " \ 219 "${mtdparts} " \ 220 "${optargs} " \ 221 "root=${mmcroot} " \ 222 "rootfstype=${mmcrootfstype} " \ 223 "${cmdline}\0" \ 224 "nandargs=setenv bootargs console=${console} " \ 225 "${mtdparts} " \ 226 "${optargs} " \ 227 "root=ubi0:rootfs rw ubi.mtd=rootfs " \ 228 "rootfstype=ubifs rootwait " \ 229 "${cmdline}\0" \ 230 "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ 231 "importbootenv=echo Importing environment from mmc ...; " \ 232 "env import -t ${loadaddr} ${filesize}\0" \ 233 "bootscript=echo Running bootscript from mmc ...; " \ 234 "source ${loadaddr}\0" \ 235 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ 236 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ 237 "mmcboot=echo Booting from mmc ...; " \ 238 "run mmcargs; " \ 239 "bootz ${loadaddr} - ${fdtaddr}\0" \ 240 "nandboot=echo Booting from nand ...; " \ 241 "run nandargs; " \ 242 "nand read ${loadaddr} 2a0000 800000; " \ 243 "nand read ${fdtaddr} aa0000 80000; " \ 244 "bootm ${loadaddr} - ${fdtaddr}\0" \ 245 246 #define CONFIG_BOOTCOMMAND \ 247 "mmc dev ${mmcdev}; if mmc rescan; then " \ 248 "echo SD/MMC found on device $mmcdev; " \ 249 "if run loadbootenv; then " \ 250 "run importbootenv; " \ 251 "fi; " \ 252 "echo Checking if uenvcmd is set ...; " \ 253 "if test -n $uenvcmd; then " \ 254 "echo Running uenvcmd ...; " \ 255 "run uenvcmd; " \ 256 "fi; " \ 257 "echo Running default loadimage ...; " \ 258 "setenv bootfile zImage; " \ 259 "if run loadimage; then " \ 260 "run loadfdt; " \ 261 "run mmcboot; " \ 262 "fi; " \ 263 "else run nandboot; fi" 264 265 /* Miscellaneous configurable options */ 266 #define CONFIG_AUTO_COMPLETE 267 #define CONFIG_CMDLINE_EDITING 268 #define CONFIG_SYS_LONGHELP 269 #define CONFIG_PARTITION_UUIDS 270 271 /* We set the max number of command args high to avoid HUSH bugs. */ 272 #define CONFIG_SYS_MAXARGS 64 273 274 /* Console I/O Buffer Size */ 275 #define CONFIG_SYS_CBSIZE 512 276 /* Print Buffer Size */ 277 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \ 278 + sizeof(CONFIG_SYS_PROMPT) + 16) 279 /* Boot Argument Buffer Size */ 280 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 281 282 /* memtest works on */ 283 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 284 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 285 0x01F00000) /* 31MB */ 286 287 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ 288 /* address */ 289 290 /* 291 * AM3517 has 12 GP timers, they can be driven by the system clock 292 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 293 * This rate is divided by a local divisor. 294 */ 295 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 296 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 297 298 /* Physical Memory Map */ 299 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 300 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 301 #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) 302 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 303 #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 304 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 305 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 306 CONFIG_SYS_INIT_RAM_SIZE - \ 307 GENERATED_GBL_DATA_SIZE) 308 309 /* FLASH and environment organization */ 310 311 /* **** PISMO SUPPORT *** */ 312 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ 313 /* on one chip */ 314 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 315 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 316 317 #if defined(CONFIG_NAND) 318 #define CONFIG_SYS_FLASH_BASE NAND_BASE 319 #endif 320 321 /* Monitor at start of flash */ 322 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 323 324 #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ 325 #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE 326 #define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ 327 #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET 328 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 329 #define CONFIG_ENV_IS_IN_NAND 330 331 /* Defines for SPL */ 332 #define CONFIG_SPL_FRAMEWORK 333 #define CONFIG_SPL_BOARD_INIT 334 #define CONFIG_SPL_NAND_SIMPLE 335 #define CONFIG_SPL_TEXT_BASE 0x40200000 336 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ 337 CONFIG_SPL_TEXT_BASE) 338 339 #define CONFIG_SPL_BSS_START_ADDR 0x80000000 340 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ 341 342 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */ 343 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */ 344 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 345 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 346 347 #define CONFIG_SPL_NAND_BASE 348 #define CONFIG_SPL_NAND_DRIVERS 349 #define CONFIG_SPL_NAND_ECC 350 #define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds" 351 352 #endif /* __CONFIG_H */ 353