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