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 #ifdef CONFIG_NAND 38 39 #define NANDARGS \ 40 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ 41 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ 42 "nandargs=setenv bootargs console=${console} " \ 43 "${optargs} " \ 44 "${mtdparts} " \ 45 "root=${nandroot} " \ 46 "rootfstype=${nandrootfstype}\0" \ 47 "nandroot=ubi0:rootfs rw ubi.mtd=5\0" \ 48 "nandrootfstype=ubifs rootwait=1\0" \ 49 "nandboot=echo Booting from nand ...; " \ 50 "run nandargs; " \ 51 "setenv loadaddr 0x84000000; " \ 52 "ubi part UBI; " \ 53 "ubifsmount ubi0:kernel; " \ 54 "ubifsload $loadaddr kernel-fit.itb;" \ 55 "ubifsumount; " \ 56 "bootm ${loadaddr}#conf${board_name}; " \ 57 "if test $? -ne 0; then echo Using default FIT config; " \ 58 "bootm ${loadaddr}; fi;\0" 59 #else 60 #define NANDARGS "" 61 #endif 62 63 #ifndef CONFIG_SPL_BUILD 64 #define CONFIG_EXTRA_ENV_SETTINGS \ 65 DEFAULT_LINUX_BOOT_ENV \ 66 "boot_fdt=try\0" \ 67 "bootpart=0:2\0" \ 68 "bootdir=/boot\0" \ 69 "bootfile=zImage\0" \ 70 "fdtfile=undefined\0" \ 71 "console=ttyO0,115200n8\0" \ 72 "partitions=" \ 73 "uuid_disk=${uuid_gpt_disk};" \ 74 "name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \ 75 "optargs=\0" \ 76 "mmcdev=0\0" \ 77 "mmcroot=/dev/mmcblk0p2 ro\0" \ 78 "usbroot=/dev/sda2 ro\0" \ 79 "mmcrootfstype=ext4 rootwait\0" \ 80 "usbrootfstype=ext4 rootwait\0" \ 81 "rootpath=/export/rootfs\0" \ 82 "nfsopts=nolock\0" \ 83 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ 84 "::off\0" \ 85 "ramroot=/dev/ram0 rw\0" \ 86 "ramrootfstype=ext2\0" \ 87 "mmcargs=setenv bootargs console=${console} " \ 88 "${optargs} " \ 89 "${mtdparts} " \ 90 "root=${mmcroot} " \ 91 "rootfstype=${mmcrootfstype}\0" \ 92 "usbargs=setenv bootargs console=${console} " \ 93 "${optargs} " \ 94 "${mtdparts} " \ 95 "root=${usbroot} " \ 96 "rootfstype=${usbrootfstype}\0" \ 97 "spiroot=/dev/mtdblock4 rw\0" \ 98 "spirootfstype=jffs2\0" \ 99 "spisrcaddr=0xe0000\0" \ 100 "spiimgsize=0x362000\0" \ 101 "spibusno=0\0" \ 102 "spiargs=setenv bootargs console=${console} " \ 103 "${optargs} " \ 104 "root=${spiroot} " \ 105 "rootfstype=${spirootfstype}\0" \ 106 "netargs=setenv bootargs console=${console} " \ 107 "${optargs} " \ 108 "root=/dev/nfs " \ 109 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ 110 "ip=dhcp\0" \ 111 "bootenv=uEnv.txt\0" \ 112 "loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \ 113 "usbloadbootenv=load usb 0:1 ${loadaddr} ${bootenv}\0" \ 114 "importbootenv=echo Importing environment from mmc ...; " \ 115 "env import -t $loadaddr $filesize\0" \ 116 "usbimportbootenv=echo Importing environment from USB ...; " \ 117 "env import -t $loadaddr $filesize\0" \ 118 "ramargs=setenv bootargs console=${console} " \ 119 "${optargs} " \ 120 "root=${ramroot} " \ 121 "rootfstype=${ramrootfstype}\0" \ 122 "loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \ 123 "loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \ 124 "usbloadimage=load usb 0:1 ${loadaddr} kernel-fit.itb\0" \ 125 "loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ 126 "usbloados=run usbargs; " \ 127 "bootm ${loadaddr}#conf${board_name}; " \ 128 "if test $? -ne 0; then " \ 129 "echo Using default FIT configuration; " \ 130 "bootm ${loadaddr}; " \ 131 "fi;\0" \ 132 "mmcloados=run mmcargs; " \ 133 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 134 "if run loadfdt; then " \ 135 "bootz ${loadaddr} - ${fdtaddr}; " \ 136 "else " \ 137 "if test ${boot_fdt} = try; then " \ 138 "bootz; " \ 139 "else " \ 140 "echo WARN: Cannot load the DT; " \ 141 "fi; " \ 142 "fi; " \ 143 "else " \ 144 "bootz; " \ 145 "fi;\0" \ 146 "usbboot=usb reset; " \ 147 "if usb storage; then " \ 148 "echo USB drive found;" \ 149 "if run usbloadbootenv; then " \ 150 "echo Loaded environment from ${bootenv};" \ 151 "run usbimportbootenv;" \ 152 "fi;" \ 153 "if test -n $uenvcmd; then " \ 154 "echo Running uenvcmd ...;" \ 155 "run uenvcmd;" \ 156 "fi;" \ 157 "if run usbloadimage; then " \ 158 "run usbloados;" \ 159 "fi;" \ 160 "fi;\0" \ 161 "mmcboot=mmc dev ${mmcdev}; " \ 162 "if mmc rescan; then " \ 163 "echo SD/MMC found on device ${mmcdev};" \ 164 "if run loadbootenv; then " \ 165 "echo Loaded environment from ${bootenv};" \ 166 "run importbootenv;" \ 167 "fi;" \ 168 "if test -n $uenvcmd; then " \ 169 "echo Running uenvcmd ...;" \ 170 "run uenvcmd;" \ 171 "fi;" \ 172 "if run loadimage; then " \ 173 "run mmcloados;" \ 174 "fi;" \ 175 "fi;\0" \ 176 "spiboot=echo Booting from spi ...; " \ 177 "run spiargs; " \ 178 "sf probe ${spibusno}:0; " \ 179 "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \ 180 "bootz ${loadaddr}\0" \ 181 "netboot=echo Booting from network ...; " \ 182 "setenv autoload no; " \ 183 "dhcp; " \ 184 "tftp ${loadaddr} ${bootfile}; " \ 185 "tftp ${fdtaddr} ${fdtfile}; " \ 186 "run netargs; " \ 187 "bootz ${loadaddr} - ${fdtaddr}\0" \ 188 "ramboot=echo Booting from ramdisk ...; " \ 189 "run ramargs; " \ 190 "bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \ 191 "findfdt=setenv fdtfile am335x-baltos.dtb\0" \ 192 NANDARGS 193 /*DFUARGS*/ 194 #endif 195 196 #define CONFIG_BOOTCOMMAND \ 197 "run findfdt; " \ 198 "run usbboot;" \ 199 "run mmcboot;" \ 200 "setenv mmcdev 1; " \ 201 "setenv bootpart 1:2; " \ 202 "run mmcboot;" \ 203 "run nandboot;" 204 205 /* NS16550 Configuration */ 206 #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* Base EVM has UART0 */ 207 #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ 208 #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ 209 #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ 210 #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ 211 #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ 212 213 #define CONFIG_ENV_EEPROM_IS_ON_I2C 214 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ 215 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 216 217 /* PMIC support */ 218 #define CONFIG_POWER_TPS65910 219 220 /* SPL */ 221 #ifndef CONFIG_NOR_BOOT 222 223 #ifdef CONFIG_NAND 224 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 225 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 226 CONFIG_SYS_NAND_PAGE_SIZE) 227 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 228 #define CONFIG_SYS_NAND_OOBSIZE 64 229 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 230 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 231 #define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \ 232 10, 11, 12, 13, 14, 15, 16, 17, \ 233 18, 19, 20, 21, 22, 23, 24, 25, \ 234 26, 27, 28, 29, 30, 31, 32, 33, \ 235 34, 35, 36, 37, 38, 39, 40, 41, \ 236 42, 43, 44, 45, 46, 47, 48, 49, \ 237 50, 51, 52, 53, 54, 55, 56, 57, } 238 239 #define CONFIG_SYS_NAND_ECCSIZE 512 240 #define CONFIG_SYS_NAND_ECCBYTES 14 241 #define CONFIG_SYS_NAND_ONFI_DETECTION 242 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW 243 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 244 #endif 245 #endif 246 247 /* 248 * USB configuration. We enable MUSB support, both for host and for 249 * gadget. We set USB0 as peripheral and USB1 as host, based on the 250 * board schematic and physical port wired to each. Then for host we 251 * add mass storage support and for gadget we add both RNDIS ethernet 252 * and DFU. 253 */ 254 #define CONFIG_USB_MUSB_DISABLE_BULK_COMBINE_SPLIT 255 #define CONFIG_AM335X_USB0 256 #define CONFIG_AM335X_USB0_MODE MUSB_HOST 257 #define CONFIG_AM335X_USB1 258 #define CONFIG_AM335X_USB1_MODE MUSB_OTG 259 260 /* NAND support */ 261 #ifdef CONFIG_NAND 262 #define GPMC_NAND_ECC_LP_x8_LAYOUT 1 263 #endif 264 265 #endif /* ! __CONFIG_BALTOS_H */ 266