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