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 reference board: 32 $ make uniphier_sld3_defconfig 33 $ make CROSS_COMPILE=arm-linux-gnueabi- 34 35PH1-LD4 reference board: 36 $ make uniphier_ld4_sld8_defconfig 37 $ make CROSS_COMPILE=arm-linux-gnueabi- 38 39PH1-sLD8 reference board: 40 $ make uniphier_ld4_sld8_defconfig 41 $ make CROSS_COMPILE=arm-linux-gnueabi- DEVICE_TREE=uniphier-ph1-sld8-ref 42 43PH1-Pro4 reference board: 44 $ make uniphier_pro4_defconfig 45 $ make CROSS_COMPILE=arm-linux-gnueabi- 46 47PH1-Pro4 Ace board: 48 $ make uniphier_pro4_defconfig 49 $ make CROSS_COMPILE=arm-linux-gnueabi- DEVICE_TREE=uniphier-ph1-pro4-ace 50 51PH1-Pro4 Sanji board: 52 $ make uniphier_pro4_defconfig 53 $ make CROSS_COMPILE=arm-linux-gnueabi- DEVICE_TREE=uniphier-ph1-pro4-sanji 54 55PH1-Pro5 4KBOX Board: 56 $ make uniphier_pxs2_ld6b_defconfig 57 $ make CROSS_COMPILE=arm-linux-gnueabi- DEVICE_TREE=uniphier-ph1-pro5-4kbox 58 59ProXstream2 Gentil board: 60 $ make uniphier_pxs2_ld6b_defconfig 61 $ make CROSS_COMPILE=arm-linux-gnueabi- DEVICE_TREE=uniphier-proxstream2-gentil 62 63ProXstream2 Vodka board: 64 $ make uniphier_pxs2_ld6b_defconfig 65 $ make CROSS_COMPILE=arm-linux-gnueabi- 66 67PH1-LD6b reference board: 68 $ make uniphier_pxs2_ld6b_defconfig 69 $ make CROSS_COMPILE=arm-linux-gnueabi- DEVICE_TREE=uniphier-ph1-ld6b-ref 70 71You may wish to change the "CROSS_COMPILE=arm-linux-gnueabi-" 72to use your favorite compiler. 73 74 75Burn U-Boot images to NAND 76-------------------------- 77 78Write the following to the NAND device: 79 80 - spl/u-boot-spl.bin at the offset address 0x00000000 81 - u-boot.bin at the offset address 0x00010000 82 83or 84 85 - u-boot-with-spl.bin at the offset address 0x00000000 86 87If a TFTP server is available, the images can be easily updated. 88Just copy the u-boot-spl.bin and u-boot.bin to the TFTP public directory, 89and then run the following command at the U-Boot command line: 90 91 => run nandupdate 92 93 94Burn U-Boot images to eMMC 95-------------------------- 96 97Write the following to the Boot partition 1 of the eMMC device: 98 99 - spl/u-boot-spl.bin at the offset address 0x00000000 100 - u-boot.bin at the offset address 0x00010000 101 102or 103 104 - u-boot-with-spl.bin at the offset address 0x00000000 105 106If a TFTP server is available, the images can be easily updated. 107Just copy the u-boot-spl.bin and u-boot.bin to the TFTP public directory, 108and then run the following command at the U-Boot command line: 109 110 => run emmcupdate 111 112 113UniPhier specific commands 114-------------------------- 115 116 - pinmon (enabled by CONFIG_CMD_PINMON) 117 shows the boot mode pins that has been latched at the power-on reset 118 119 - ddrphy (enabled by CONFIG_CMD_DDRPHY_DUMP) 120 shows the DDR PHY parameters set by the PHY training 121 122 123Supported devices 124----------------- 125 126 - UART (on-chip) 127 - NAND 128 - SD/eMMC 129 - USB 2.0 (EHCI) 130 - USB 3.0 (xHCI) 131 - GPIO 132 - LAN (on-board SMSC9118) 133 - I2C 134 - EEPROM (connected to the on-board I2C bus) 135 - Support card (SRAM, NOR flash, some peripherals) 136 137 138Micro Support Card 139------------------ 140 141The recommended bit switch settings are as follows: 142 143 SW2 OFF(1)/ON(0) Description 144 ------------------------------------------ 145 bit 1 <---- BKSZ[0] 146 bit 2 ----> BKSZ[1] 147 bit 3 <---- SoC Bus Width 16/32 148 bit 4 <---- SERIAL_SEL[0] 149 bit 5 ----> SERIAL_SEL[1] 150 bit 6 ----> BOOTSWAP_EN 151 bit 7 <---- CS1/CS5 152 bit 8 <---- SOC_SERIAL_DISABLE 153 154 SW8 OFF(1)/ON(0) Description 155 ------------------------------------------ 156 bit 1 <---- CS1_SPLIT 157 bit 2 <---- CASE9_ON 158 bit 3 <---- CASE10_ON 159 bit 4 Don't Care Reserve 160 bit 5 Don't Care Reserve 161 bit 6 Don't Care Reserve 162 bit 7 ----> BURST_EN 163 bit 8 ----> FLASHBUS32_16 164 165The BKSZ[1:0] specifies the address range of memory slot and peripherals 166as follows: 167 168 BKSZ Description RAM slot Peripherals 169 -------------------------------------------------------------------- 170 0b00 15MB RAM / 1MB Peri 00000000-00efffff 00f00000-00ffffff 171 0b01 31MB RAM / 1MB Peri 00000000-01efffff 01f00000-01ffffff 172 0b10 64MB RAM / 1MB Peri 00000000-03efffff 03f00000-03ffffff 173 0b11 127MB RAM / 1MB Peri 00000000-07efffff 07f00000-07ffffff 174 175Set BSKZ[1:0] to 0b01 for U-Boot. 176This mode is the most handy because EA[24] is always supported by the save pin 177mode of the system bus. On the other hand, EA[25] is not supported for some 178newer SoCs. Even if it is, EA[25] is not connected on most of the boards. 179 180-- 181Masahiro Yamada <yamada.masahiro@socionext.com> 182Feb. 2016 183