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