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   1 /*
   2  * am335x_evm.h
   3  *
   4  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation version 2.
   9  *
  10  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  11  * kind, whether express or implied; without even the implied warranty
  12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef __CONFIG_BALTOS_H
  17 #define __CONFIG_BALTOS_H
  18
  19 #include <linux/sizes.h>
  20 #include <configs/ti_am335x_common.h>
  21
  22 #define CONFIG_MACH_TYPE                MACH_TYPE_AM335XEVM
  23
  24 /* Clock Defines */
  25 #define V_OSCK                          24000000  /* Clock output from T2 */
  26 #define V_SCLK                          (V_OSCK)
  27
  28 /* Custom script for NOR */
  29 #define CONFIG_SYS_LDSCRIPT             "board/vscom/baltos/u-boot.lds"
  30
  31 /* Always 128 KiB env size */
  32 #define CONFIG_ENV_SIZE                 (128 << 10)
  33
  34 /* FIT support */
  35 #define CONFIG_SYS_BOOTM_LEN         SZ_64M
  36
  37 /* UBI Support */
  38 #define CONFIG_MTD_PARTITIONS
  39 #define CONFIG_MTD_DEVICE
  40
  41 /* I2C configuration */
  42
  43 #ifdef CONFIG_NAND
  44 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x00080000
  45 #ifdef CONFIG_SPL_OS_BOOT
  46 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
  47 #endif
  48 #define NANDARGS \
  49         "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
  50         "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
  51         "nandargs=setenv bootargs console=${console} " \
  52                 "${optargs} " \
  53                 "${mtdparts} " \
  54                 "root=${nandroot} " \
  55                 "rootfstype=${nandrootfstype}\0" \
  56         "nandroot=ubi0:rootfs rw ubi.mtd=5\0" \
  57         "nandrootfstype=ubifs rootwait=1\0" \
  58         "nandboot=echo Booting from nand ...; " \
  59                 "run nandargs; " \
  60                 "setenv loadaddr 0x84000000; " \
  61                 "ubi part UBI; " \
  62                 "ubifsmount ubi0:kernel; " \
  63                 "ubifsload $loadaddr kernel-fit.itb;" \
  64                 "ubifsumount; " \
  65                 "bootm ${loadaddr}#conf${board_name}; " \
  66                 "if test $? -ne 0; then echo Using default FIT config; " \
  67                 "bootm ${loadaddr}; fi;\0"
  68 #else
  69 #define NANDARGS ""
  70 #endif
  71
  72 #ifndef CONFIG_SPL_BUILD
  73 #define CONFIG_EXTRA_ENV_SETTINGS \
  74         DEFAULT_LINUX_BOOT_ENV \
  75         "boot_fdt=try\0" \
  76         "bootpart=0:2\0" \
  77         "bootdir=/boot\0" \
  78         "bootfile=zImage\0" \
  79         "fdtfile=undefined\0" \
  80         "console=ttyO0,115200n8\0" \
  81         "partitions=" \
  82                 "uuid_disk=${uuid_gpt_disk};" \
  83                 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
  84         "optargs=\0" \
  85         "mmcdev=0\0" \
  86         "mmcroot=/dev/mmcblk0p2 ro\0" \
  87         "usbroot=/dev/sda2 ro\0" \
  88         "mmcrootfstype=ext4 rootwait\0" \
  89         "usbrootfstype=ext4 rootwait\0" \
  90         "rootpath=/export/rootfs\0" \
  91         "nfsopts=nolock\0" \
  92         "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
  93                 "::off\0" \
  94         "ramroot=/dev/ram0 rw\0" \
  95         "ramrootfstype=ext2\0" \
  96         "mmcargs=setenv bootargs console=${console} " \
  97                 "${optargs} " \
  98                 "${mtdparts} " \
  99                 "root=${mmcroot} " \
 100                 "rootfstype=${mmcrootfstype}\0" \
 101         "usbargs=setenv bootargs console=${console} " \
 102                 "${optargs} " \
 103                 "${mtdparts} " \
 104                 "root=${usbroot} " \
 105                 "rootfstype=${usbrootfstype}\0" \
 106         "spiroot=/dev/mtdblock4 rw\0" \
 107         "spirootfstype=jffs2\0" \
 108         "spisrcaddr=0xe0000\0" \
 109         "spiimgsize=0x362000\0" \
 110         "spibusno=0\0" \
 111         "spiargs=setenv bootargs console=${console} " \
 112                 "${optargs} " \
 113                 "root=${spiroot} " \
 114                 "rootfstype=${spirootfstype}\0" \
 115         "netargs=setenv bootargs console=${console} " \
 116                 "${optargs} " \
 117                 "root=/dev/nfs " \
 118                 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
 119                 "ip=dhcp\0" \
 120         "bootenv=uEnv.txt\0" \
 121         "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
 122         "usbloadbootenv=load usb 0:1 ${loadaddr} ${bootenv}\0" \
 123         "importbootenv=echo Importing environment from mmc ...; " \
 124                 "env import -t $loadaddr $filesize\0" \
 125         "usbimportbootenv=echo Importing environment from USB ...; " \
 126                 "env import -t $loadaddr $filesize\0" \
 127         "ramargs=setenv bootargs console=${console} " \
 128                 "${optargs} " \
 129                 "root=${ramroot} " \
 130                 "rootfstype=${ramrootfstype}\0" \
 131         "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
 132         "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
 133         "usbloadimage=load usb 0:1 ${loadaddr} kernel-fit.itb\0" \
 134         "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
 135         "usbloados=run usbargs; " \
 136                 "bootm ${loadaddr}#conf${board_name}; " \
 137                 "if test $? -ne 0; then " \
 138                         "echo Using default FIT configuration; " \
 139                         "bootm ${loadaddr}; " \
 140                 "fi;\0" \
 141         "mmcloados=run mmcargs; " \
 142                 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
 143                         "if run loadfdt; then " \
 144                                 "bootz ${loadaddr} - ${fdtaddr}; " \
 145                         "else " \
 146                                 "if test ${boot_fdt} = try; then " \
 147                                         "bootz; " \
 148                                 "else " \
 149                                         "echo WARN: Cannot load the DT; " \
 150                                 "fi; " \
 151                         "fi; " \
 152                 "else " \
 153                         "bootz; " \
 154                 "fi;\0" \
 155         "usbboot=usb reset; " \
 156                 "if usb storage; then " \
 157                         "echo USB drive found;" \
 158                         "if run usbloadbootenv; then " \
 159                                 "echo Loaded environment from ${bootenv};" \
 160                                 "run usbimportbootenv;" \
 161                         "fi;" \
 162                         "if test -n $uenvcmd; then " \
 163                                 "echo Running uenvcmd ...;" \
 164                                 "run uenvcmd;" \
 165                         "fi;" \
 166                         "if run usbloadimage; then " \
 167                                 "run usbloados;" \
 168                         "fi;" \
 169                 "fi;\0" \
 170         "mmcboot=mmc dev ${mmcdev}; " \
 171                 "if mmc rescan; then " \
 172                         "echo SD/MMC found on device ${mmcdev};" \
 173                         "if run loadbootenv; then " \
 174                                 "echo Loaded environment from ${bootenv};" \
 175                                 "run importbootenv;" \
 176                         "fi;" \
 177                         "if test -n $uenvcmd; then " \
 178                                 "echo Running uenvcmd ...;" \
 179                                 "run uenvcmd;" \
 180                         "fi;" \
 181                         "if run loadimage; then " \
 182                                 "run mmcloados;" \
 183                         "fi;" \
 184                 "fi;\0" \
 185         "spiboot=echo Booting from spi ...; " \
 186                 "run spiargs; " \
 187                 "sf probe ${spibusno}:0; " \
 188                 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
 189                 "bootz ${loadaddr}\0" \
 190         "netboot=echo Booting from network ...; " \
 191                 "setenv autoload no; " \
 192                 "dhcp; " \
 193                 "tftp ${loadaddr} ${bootfile}; " \
 194                 "tftp ${fdtaddr} ${fdtfile}; " \
 195                 "run netargs; " \
 196                 "bootz ${loadaddr} - ${fdtaddr}\0" \
 197         "ramboot=echo Booting from ramdisk ...; " \
 198                 "run ramargs; " \
 199                 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
 200         "findfdt=setenv fdtfile am335x-baltos.dtb\0" \
 201         NANDARGS
 202         /*DFUARGS*/
 203 #endif
 204
 205 #define CONFIG_BOOTCOMMAND \
 206         "run findfdt; " \
 207         "run usbboot;" \
 208         "run mmcboot;" \
 209         "setenv mmcdev 1; " \
 210         "setenv bootpart 1:2; " \
 211         "run mmcboot;" \
 212         "run nandboot;"
 213
 214 /* NS16550 Configuration */
 215 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* Base EVM has UART0 */
 216 #define CONFIG_SYS_NS16550_COM2         0x48022000      /* UART1 */
 217 #define CONFIG_SYS_NS16550_COM3         0x48024000      /* UART2 */
 218 #define CONFIG_SYS_NS16550_COM4         0x481a6000      /* UART3 */
 219 #define CONFIG_SYS_NS16550_COM5         0x481a8000      /* UART4 */
 220 #define CONFIG_SYS_NS16550_COM6         0x481aa000      /* UART5 */
 221
 222 #define CONFIG_ENV_EEPROM_IS_ON_I2C
 223 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x50    /* Main EEPROM */
 224 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
 225
 226 /* PMIC support */
 227 #define CONFIG_POWER_TPS65910
 228
 229 /* SPL */
 230 #ifndef CONFIG_NOR_BOOT
 231
 232 /* USB gadget RNDIS */
 233
 234 /* General network SPL, both CPSW and USB gadget RNDIS */
 235 #define CONFIG_SPL_NET_VCI_STRING       "AM335x U-Boot SPL"*/
 236
 237 #ifdef CONFIG_NAND
 238 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 239 #define CONFIG_SYS_NAND_PAGE_COUNT      (CONFIG_SYS_NAND_BLOCK_SIZE / \
 240                                          CONFIG_SYS_NAND_PAGE_SIZE)
 241 #define CONFIG_SYS_NAND_PAGE_SIZE       2048
 242 #define CONFIG_SYS_NAND_OOBSIZE         64
 243 #define CONFIG_SYS_NAND_BLOCK_SIZE      (128*1024)
 244 #define CONFIG_SYS_NAND_BAD_BLOCK_POS   NAND_LARGE_BADBLOCK_POS
 245 #define CONFIG_SYS_NAND_ECCPOS          { 2, 3, 4, 5, 6, 7, 8, 9, \
 246                                          10, 11, 12, 13, 14, 15, 16, 17, \
 247                                          18, 19, 20, 21, 22, 23, 24, 25, \
 248                                          26, 27, 28, 29, 30, 31, 32, 33, \
 249                                          34, 35, 36, 37, 38, 39, 40, 41, \
 250                                          42, 43, 44, 45, 46, 47, 48, 49, \
 251                                          50, 51, 52, 53, 54, 55, 56, 57, }
 252
 253 #define CONFIG_SYS_NAND_ECCSIZE         512
 254 #define CONFIG_SYS_NAND_ECCBYTES        14
 255 #define CONFIG_SYS_NAND_ONFI_DETECTION
 256 #define CONFIG_NAND_OMAP_ECCSCHEME      OMAP_ECC_BCH8_CODE_HW
 257 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 258 #endif
 259 #endif
 260
 261 /*
 262  * USB configuration.  We enable MUSB support, both for host and for
 263  * gadget.  We set USB0 as peripheral and USB1 as host, based on the
 264  * board schematic and physical port wired to each.  Then for host we
 265  * add mass storage support and for gadget we add both RNDIS ethernet
 266  * and DFU.
 267  */
 268 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT
 269 #define CONFIG_AM335X_USB0
 270 #define CONFIG_AM335X_USB0_MODE MUSB_HOST
 271 #define CONFIG_AM335X_USB1
 272 #define CONFIG_AM335X_USB1_MODE MUSB_OTG
 273
 274 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USB_ETHER)
 275 /* disable host part of MUSB in SPL */
 276 /* disable EFI partitions and partition UUID support */
 277 /*
 278  * Disable CPSW SPL support so we fit within the 101KiB limit.
 279  */
 280 #endif
 281
 282 /* Network. */
 283 #define CONFIG_PHY_SMSC
 284 #define CONFIG_MII
 285 #define CONFIG_PHY_ATHEROS
 286
 287 /* NAND support */
 288 #ifdef CONFIG_NAND
 289 #define GPMC_NAND_ECC_LP_x8_LAYOUT      1
 290 #endif
 291
 292 #endif  /* ! __CONFIG_BALTOS_H */