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   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 /*
  19  * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
  20  * 64 bytes before this address should be set aside for u-boot.img's
  21  * header. That is 0x800FFFC0--0x80100000 should not be used for any
  22  * other needs.
  23  */
  24 #define CONFIG_SYS_TEXT_BASE            0x80100000
  25 #define CONFIG_SYS_SPL_MALLOC_START     0x80208000
  26 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x100000
  27
  28 #include <configs/ti_omap3_common.h>
  29 #undef CONFIG_SDRC      /* Disable SDRC since we have EMIF4 */
  30
  31 #define CONFIG_MISC_INIT_R
  32 #define CONFIG_REVISION_TAG
  33
  34 /* Hardware drivers */
  35
  36 /* NS16550 Configuration */
  37 #define CONFIG_SYS_NS16550_SERIAL
  38 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  39
  40 /* select serial console configuration */
  41 #define CONFIG_CONS_INDEX               3
  42 #define CONFIG_SYS_NS16550_COM3         OMAP34XX_UART3
  43 #define CONFIG_SERIAL3                  3       /* UART3 on AM3517 EVM */
  44
  45
  46 /* allow to overwrite serial and ethaddr */
  47 #define CONFIG_ENV_OVERWRITE
  48
  49 /*
  50  * USB configuration
  51  * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard
  52  * Enable CONFIG_USB_MUSB_GADGET for Device functionalities.
  53  */
  54 #define CONFIG_USB_MUSB_AM35X
  55 #define CONFIG_USB_MUSB_PIO_ONLY
  56
  57 #ifdef CONFIG_USB_MUSB_AM35X
  58
  59 #ifdef CONFIG_USB_MUSB_HOST
  60
  61 #ifdef CONFIG_USB_KEYBOARD
  62 #define CONFIG_PREBOOT "usb start"
  63 #endif /* CONFIG_USB_KEYBOARD */
  64
  65 #endif /* CONFIG_USB_MUSB_HOST */
  66
  67 #ifdef CONFIG_USB_MUSB_GADGET
  68 #define CONFIG_USB_ETHER
  69 #define CONFIG_USB_ETH_RNDIS
  70 #endif /* CONFIG_USB_MUSB_GADGET */
  71
  72 #endif /* CONFIG_USB_MUSB_AM35X */
  73
  74 /* I2C */
  75 #define CONFIG_SYS_I2C
  76 #define CONFIG_SYS_OMAP24_I2C_SPEED     100000
  77 #define CONFIG_SYS_OMAP24_I2C_SLAVE     1
  78
  79 /* Ethernet */
  80 #define CONFIG_DRIVER_TI_EMAC
  81 #define CONFIG_DRIVER_TI_EMAC_USE_RMII
  82 #define CONFIG_MII
  83 #define CONFIG_BOOTP_DEFAULT
  84 #define CONFIG_BOOTP_DNS
  85 #define CONFIG_BOOTP_DNS2
  86 #define CONFIG_BOOTP_SEND_HOSTNAME
  87 #define CONFIG_NET_RETRY_COUNT          10
  88
  89 /* Board NAND Info. */
  90 #ifdef CONFIG_NAND
  91 #define CONFIG_NAND_OMAP_GPMC_PREFETCH
  92 #define CONFIG_SYS_NAND_ADDR            NAND_BASE       /* physical address */
  93                                                         /* to access nand */
  94 #define CONFIG_SYS_NAND_BUSWIDTH_16BIT
  95 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
  96 #define CONFIG_SYS_NAND_PAGE_COUNT      64
  97 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
  98 #define CONFIG_SYS_NAND_OOBSIZE         64
  99 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128 * 1024)
 100 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
 101 #define CONFIG_SYS_NAND_ECCPOS          { 2,  3,  4,  5,  6,  7,  8,  9, 10, \
 102                                          11, 12, 13, 14, 16, 17, 18, 19, 20, \
 103                                          21, 22, 23, 24, 25, 26, 27, 28, 30, \
 104                                          31, 32, 33, 34, 35, 36, 37, 38, 39, \
 105                                          40, 41, 42, 44, 45, 46, 47, 48, 49, \
 106                                          50, 51, 52, 53, 54, 55, 56 }
 107
 108 #define CONFIG_SYS_NAND_ECCSIZE         512
 109 #define CONFIG_SYS_NAND_ECCBYTES        13
 110 #define CONFIG_NAND_OMAP_ECCSCHEME      OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
 111 #define CONFIG_SYS_NAND_MAX_OOBFREE     2
 112 #define CONFIG_SYS_NAND_MAX_ECCPOS      56
 113 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 114 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x80000
 115 #define CONFIG_MTD_PARTITIONS           /* required for UBI partition support */
 116 #define CONFIG_MTD_DEVICE               /* needed for mtdparts commands */
 117 /* NAND block size is 128 KiB.  Synchronize these values with
 118  * corresponding Device Tree entries in Linux:
 119  *  MLO(SPL)             4 * NAND_BLOCK_SIZE = 512 KiB  @ 0x000000
 120  *  U-Boot              15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000
 121  *  U-Boot environment   2 * NAND_BLOCK_SIZE = 256 KiB  @ 0x260000
 122  *  Kernel              64 * NAND_BLOCK_SIZE = 8 MiB    @ 0x2A0000
 123  *  DTB                  4 * NAND_BLOCK_SIZE = 512 KiB  @ 0xAA0000
 124  *  RootFS              Remaining Flash Space           @ 0xB20000
 125  */
 126 #define MTDIDS_DEFAULT "nand0=omap2-nand.0"
 127 #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:"       \
 128         "512k(MLO),"                                    \
 129         "1920k(u-boot),"                                \
 130         "256k(u-boot-env),"                             \
 131         "8m(kernel),"                                   \
 132         "512k(dtb),"                                    \
 133         "-(rootfs)"
 134 #else
 135 #define MTDIDS_DEFAULT
 136 #define MTDPARTS_DEFAULT
 137 #endif /* CONFIG_NAND */
 138
 139 /* Environment information */
 140
 141 #define CONFIG_BOOTFILE         "uImage"
 142
 143 #define CONFIG_EXTRA_ENV_SETTINGS \
 144         "loadaddr=0x82000000\0" \
 145         "console=ttyO2,115200n8\0" \
 146         "fdtfile=am3517-evm.dtb\0" \
 147         "fdtaddr=0x82C00000\0" \
 148         "vram=16M\0" \
 149         "bootenv=uEnv.txt\0" \
 150         "cmdline=\0" \
 151         "optargs=\0" \
 152         "mtdids=" MTDIDS_DEFAULT "\0" \
 153         "mtdparts=" MTDPARTS_DEFAULT "\0" \
 154         "mmcdev=0\0" \
 155         "mmcpart=1\0" \
 156         "mmcroot=/dev/mmcblk0p2 rw\0" \
 157         "mmcrootfstype=ext4 rootwait fixrtc\0" \
 158         "mmcargs=setenv bootargs console=${console} " \
 159                 "${mtdparts} " \
 160                 "${optargs} " \
 161                 "root=${mmcroot} " \
 162                 "rootfstype=${mmcrootfstype} " \
 163                 "${cmdline}\0" \
 164         "nandargs=setenv bootargs console=${console} " \
 165                 "${mtdparts} " \
 166                 "${optargs} " \
 167                 "root=ubi0:rootfs rw ubi.mtd=rootfs " \
 168                 "rootfstype=ubifs rootwait " \
 169                 "${cmdline}\0" \
 170         "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\
 171         "importbootenv=echo Importing environment from mmc ...; " \
 172                 "env import -t ${loadaddr} ${filesize}\0" \
 173         "bootscript=echo Running bootscript from mmc ...; " \
 174                 "source ${loadaddr}\0" \
 175         "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \
 176         "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \
 177         "mmcboot=echo Booting from mmc ...; " \
 178                 "run mmcargs; " \
 179                 "bootz ${loadaddr} - ${fdtaddr}\0" \
 180         "nandboot=echo Booting from nand ...; " \
 181                 "run nandargs; " \
 182                 "nand read ${loadaddr} 2a0000 800000; " \
 183                 "nand read ${fdtaddr} aa0000 80000; " \
 184                 "bootm ${loadaddr} - ${fdtaddr}\0" \
 185
 186 #define CONFIG_BOOTCOMMAND \
 187         "mmc dev ${mmcdev}; if mmc rescan; then " \
 188                 "echo SD/MMC found on device $mmcdev; " \
 189                 "if run loadbootenv; then " \
 190                         "run importbootenv; " \
 191                 "fi; " \
 192                 "echo Checking if uenvcmd is set ...; " \
 193                 "if test -n $uenvcmd; then " \
 194                         "echo Running uenvcmd ...; " \
 195                         "run uenvcmd; " \
 196                 "fi; " \
 197                 "echo Running default loadimage ...; " \
 198                 "setenv bootfile zImage; " \
 199                 "if run loadimage; then " \
 200                         "run loadfdt; " \
 201                         "run mmcboot; " \
 202                 "fi; " \
 203         "else run nandboot; fi"
 204
 205 /* Miscellaneous configurable options */
 206 #define CONFIG_AUTO_COMPLETE
 207 #define CONFIG_CMDLINE_EDITING
 208 #define CONFIG_SYS_LONGHELP
 209
 210 /* We set the max number of command args high to avoid HUSH bugs. */
 211 #define CONFIG_SYS_MAXARGS              64
 212
 213 /* Print Buffer Size */
 214 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
 215                                         + sizeof(CONFIG_SYS_PROMPT) + 16)
 216 /* Boot Argument Buffer Size */
 217 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 218
 219 /* memtest works on */
 220 #define CONFIG_SYS_MEMTEST_START        (OMAP34XX_SDRC_CS0)
 221 #define CONFIG_SYS_MEMTEST_END          (OMAP34XX_SDRC_CS0 + \
 222                                         0x01F00000) /* 31MB */
 223
 224 /* Physical Memory Map */
 225 #define CONFIG_SYS_CS0_SIZE             (256 * 1024 * 1024)
 226 #define CONFIG_SYS_INIT_RAM_ADDR        0x4020f800
 227 #define CONFIG_SYS_INIT_RAM_SIZE        0x800
 228
 229 /* FLASH and environment organization */
 230
 231 /* **** PISMO SUPPORT *** */
 232 #define CONFIG_SYS_MAX_FLASH_SECT       520     /* max number of sectors */
 233                                                 /* on one chip */
 234 #define CONFIG_SYS_MAX_FLASH_BANKS      2       /* max number of flash banks */
 235 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 2 sectors */
 236
 237 #if defined(CONFIG_NAND)
 238 #define CONFIG_SYS_FLASH_BASE           NAND_BASE
 239 #endif
 240
 241 /* Monitor at start of flash */
 242 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
 243
 244 #define CONFIG_SYS_ENV_SECT_SIZE        (128 << 10)     /* 128 KiB */
 245 #define CONFIG_ENV_SIZE                 CONFIG_SYS_ENV_SECT_SIZE
 246 #define CONFIG_ENV_OFFSET               0x260000
 247 #define CONFIG_ENV_ADDR                 0x260000
 248
 249 /* Defines for SPL */
 250 #define CONFIG_SPL_FRAMEWORK
 251 #undef CONFIG_SPL_TEXT_BASE
 252 #define CONFIG_SPL_TEXT_BASE            0x40200000
 253 #define CONFIG_SPL_MAX_SIZE             (SRAM_SCRATCH_SPACE_ADDR - \
 254                                          CONFIG_SPL_TEXT_BASE)
 255
 256 #undef CONFIG_SPL_BSS_START_ADDR
 257 #define CONFIG_SPL_BSS_START_ADDR       0x80000000
 258 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 259
 260 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION      1
 261 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME         "u-boot.img"
 262
 263 #define CONFIG_SPL_NAND_BASE
 264 #define CONFIG_SPL_NAND_DRIVERS
 265 #define CONFIG_SPL_NAND_ECC
 266
 267 #endif /* __CONFIG_H */