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