1U-Boot for UniPhier SoC family 2============================== 3 4 5Tested toolchains 6----------------- 7 8 (a) Ubuntu packages (CROSS_COMPILE=arm-linux-gnueabi-) 9 10 If you are building U-Boot on Ubuntu, its standard package is recommended. 11 You can install it as follows: 12 13 $ sudo apt-get install gcc-arm-linux-gnueabi- 14 15 (b) Linaro compilers (CROSS_COMPILE=arm-linux-gnueabihf-) 16 17 You can download pre-built toolchains from: 18 19 http://www.linaro.org/downloads/ 20 21 (c) kernel.org compilers (CROSS_COMPILE=arm-unknown-linux-gnueabi-) 22 23 You can download pre-built toolchains from: 24 25 ftp://www.kernel.org/pub/tools/crosstool/files/bin/ 26 27 28Compile the source 29------------------ 30 31PH1-sLD3: 32 $ make ph1_sld3_defconfig 33 $ make CROSS_COMPILE=arm-linux-gnueabi- 34 35PH1-LD4: 36 $ make ph1_ld4_defconfig 37 $ make CROSS_COMPILE=arm-linux-gnueabi- 38 39PH1-Pro4: 40 $ make ph1_pro4_defconfig 41 $ make CROSS_COMPILE=arm-linux-gnueabi- 42 43PH1-sLD8: 44 $ make ph1_sld8_defconfig 45 $ make CROSS_COMPILE=arm-linux-gnueabi- 46 47You may wish to change the "CROSS_COMPILE=arm-linux-gnueabi-" 48to use your favorite compiler. 49 50 51Burn U-Boot images to NAND 52-------------------------- 53 54Write two files to the NAND device as follows: 55 - spl/u-boot-spl.bin at the offset address 0x00000000 56 - u-boot-dtb.img at the offset address 0x00010000 57 58If a TFTP server is available, the images can be easily updated. 59Just copy the u-boot-spl.bin and u-boot-dtb.img to the TFTP public directory, 60and then run the following command at the U-Boot command line: 61 62 => run nandupdate 63 64 65UniPhier specific commands 66-------------------------- 67 68 - pinmon (enabled by CONFIG_CMD_PINMON) 69 shows the boot mode pins that has been latched at the power-on reset 70 71 - ddrphy (enabled by CONFIG_CMD_DDRPHY_DUMP) 72 shows the DDR PHY parameters set by the PHY training 73 74 75Supported devices 76----------------- 77 78 - UART (on-chip) 79 - NAND 80 - USB 2.0 (EHCI) 81 - USB 3.0 (xHCI) 82 - LAN (on-board SMSC9118) 83 - I2C 84 - EEPROM (connected to the on-board I2C bus) 85 - Support card (SRAM, NOR flash, some peripherals) 86 87 88-- 89Masahiro Yamada <yamada.m@jp.panasonic.com> 90Feb. 2015 91