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-Pro4: 32 $ make ph1_pro4_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-sLD8: 40 $ make ph1_sld8_defconfig 41 $ make CROSS_COMPILE=arm-linux-gnueabi- 42 43You may wish to change the "CROSS_COMPILE=arm-linux-gnueabi-" 44to use your favorite compiler. 45 46 47Burn U-Boot images to NAND 48-------------------------- 49 50Write two files to the NAND device as follows: 51 - spl/u-boot-spl.bin at the offset address 0x00000000 52 - u-boot-dtb.img at the offset address 0x00010000 53 54If a TFTP server is available, the images can be easily updated. 55Just copy the u-boot-spl.bin and u-boot-dtb.img to the TFTP public directory, 56and then run the following command at the U-Boot command line: 57 58 => run nandupdate 59 60 61UniPhier specific commands 62-------------------------- 63 64 - pinmon (enabled by CONFIG_CMD_PINMON) 65 shows the boot mode pins that has been latched at the power-on reset 66 67 - ddrphy (enabled by CONFIG_CMD_DDRPHY_DUMP) 68 shows the DDR PHY parameters set by the PHY training 69 70 71Supported devices 72----------------- 73 74 - UART (on-chip) 75 - NAND 76 - USB (2.0) 77 - LAN (on-board SMSC9118) 78 - I2C 79 - EEPROM (connected to the on-board I2C bus) 80 - Support card (SRAM, NOR flash, some peripherals) 81 82 83-- 84Masahiro Yamada <yamada.m@jp.panasonic.com> 85Feb. 2015 86