include/configs/am3517_evm.h

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