Annotation of wikisrc/ports/evbarm/allwinner.mdwn, revision 1.44

1.1       wiki        1: [[!meta title="NetBSD/evbarm on Allwinner Technology SoCs"]]
                      2: 
1.18      wiki        3: [[!toc levels=2]]
                      4: 
1.1       wiki        5: # Supported boards
1.11      wiki        6:  - [Banana Pi](http://www.bananapi.org/p/product.html) (BPI)
1.31      wiki        7:  - Cubieboard 2 (CUBIEBOARD)
1.38      wiki        8:  - [Cubieboard 4](http://cubieboard.org/model/cb4/) (ALLWINNER_A80) *NetBSD-current*
1.1       wiki        9:  - Cubietruck (CUBIETRUCK)
1.10      wiki       10:  - [Merrii Hummingbird A31](http://www.merrii.com/en/pla_d.asp?id=172) (HUMMINGBIRD_A31)
1.1       wiki       11: 
                     12: # Supported hardware
                     13:  - SoCs
1.35      wiki       14:    - Cortex-A7: A20 (2-core), A31 (4-core), A80
                     15:    - Cortex-A7/A15: A80 (4-core A7 + 4-core A15)
1.14      wiki       16:  - SD/MMC controller (DMA)
1.1       wiki       17:  - DMA controller
                     18:  - GPIO
1.20      wiki       19:    - Configuration using FEX scripts is supported
1.1       wiki       20:  - UART
                     21:  - I2C
1.36      wiki       22:  - P2WI (A31) / RSB (A80)
1.1       wiki       23:  - PMU
1.36      wiki       24:    - AXP209 (A20)
1.1       wiki       25:    - AXP221 (A31)
1.36      wiki       26:    - AXP806 (A80)
                     27:    - AXP809 (A80)
1.1       wiki       28:  - Watchdog timer
                     29:  - RTC
1.37      wiki       30:    - A20/A31: integrated RTC, PCF8563
                     31:    - A80: AC100
                     32:  - Audio codec (A20/A31)
1.14      wiki       33:  - USB host
1.1       wiki       34:    - OHCI
                     35:    - EHCI
1.37      wiki       36:    - OTG (A20)
1.1       wiki       37:  - SATA (A10/A20)
                     38:  - Gigabit Ethernet (GMAC)
1.24      wiki       39:  - HDMI (A20/A31)
1.26      wiki       40:    - DDC / EDID mode detection
                     41:    - Audio support
1.37      wiki       42:  - Framebuffer (A20/A31)
1.39      wiki       43:  - IR receiver (A20/A31/A80)
1.2       wiki       44: 
1.14      wiki       45: # TODO
1.40      wiki       46:  - A10
                     47:    - Interrupt controller
                     48:    - EMAC
                     49:  - A31
                     50:    - OTG
                     51:    - IR transmitter
                     52:    - 3G module
                     53:    - TV input
                     54:  - A80
                     55:    - MP
                     56:    - big.LITTLE support
                     57:    - USB3 (OTG and XHCI)
                     58:    - IR transmitter
                     59:    - HDMI
                     60:    - Audio codec
                     61:  - All
                     62:    - USB device mode
                     63:    - SD/MMC UHS-I support (needs sdmmc(4) changes)
                     64:    - SDIO (Bluetooth / WiFi)
                     65:    - NAND
1.44    ! wiki       66:    - VGA (Cubietruck, Hummingbird A31, Cubieboard4)
1.14      wiki       67: 
1.2       wiki       68: # Installation
                     69: 
1.34      wiki       70: ## A10 / A20 / A31 based boards
1.2       wiki       71: 
1.33      snj        72: * Start with an ARMv7 image from *evbarm-earmv7hf/binary/gzimg/* such as *beagleboard.img*
1.34      wiki       73: * Download a U-Boot build for your board
                     74:   * A10/A20: Download from the linux-sunxi web site <http://dl.linux-sunxi.org/nightly/u-boot-sunxi/u-boot-sunxi/u-boot-sunxi-latest/>
                     75:   * A31: The standard u-boot-sunxi tree doesn't support A31 yet. Until sun6i support is merged, a build is available at <http://dis.invisible.ca/allwinner/a31/1.43      mrg        76: * Write the *u-boot-sunxi-with-spl.bin* loader to the empty space at the start of the base image:
1.2       wiki       77: [[!template  id=programlisting text="""
1.33      snj        78: # dd if=u-boot-sunxi-with-spl.bin of=beagleboard.img bs=1k seek=8 conv=notrunc
1.2       wiki       79: """]]
                     80: * Write the image to an SD card.
1.43      mrg        81: * Copy the kernel (netbsd.ub) for your board to the root of the MS-DOS partition on the SD card.
1.12      wiz        82: * Create or edit uEnv.txt on the MS-DOS partition:
1.2       wiki       83: [[!template  id=programlisting text="""
                     84: bootargs=root=ld0a
                     85: uenvcmd=mmc dev 0; mmc rescan; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000
                     86: """]]
                     87: 
1.35      wiki       88: ## A80 based boards
                     89: 
                     90: * Cubieboard 4 SDK (lubuntu) U-Boot env:
                     91: [[!template  id=programlisting text="""
                     92: baudrate=115200
                     93: boot_normal=fatload mmc 0:1 20007800 uimage;bootm 20007800
                     94: bootcmd=run setargs_cubie boot_normal
                     95: bootdelay=3
                     96: console=ttyS0,115200
                     97: console1=tty1
                     98: init=/init
                     99: loglevel=8
                    100: mmc_root=/dev/mmcblk0p2
                    101: setargs_cubie=setenv bootargs console=${console1} console=${console} root=${mmc_root} loglevel=${loglevel}
                    102: stderr=serial
                    103: stdin=serial
                    104: stdout=serial
                    105: """]]
                    106: 
1.7       wiki      107: # Big (endian) fun
1.5       wiki      108: 
                    109: You can run this boards with a little endian (this is the default and implied by above install instructions)
1.12      wiz       110: or with a big endian kernel and userland. However, kernel and userland endianness needs to match.
1.5       wiki      111: 
                    112: To build a big endian release (or sets) use 
                    113: [[!template  id=programlisting text="""
                    114: ./build.sh -m evbearmv7hf-eb 
                    115: """]]
1.12      wiz       116: where -eb means endianness big, hf is hardware floating point support, and earm is the modern "extended" ABI for ARM CPUs, and finally v7 is version 7 of the supported instruction set.
1.17      wiki      117: 
1.21      wiki      118: # FEX scripts
                    119: 
                    120: Board configuration scripts can be found here: <https://github.com/linux-sunxi/sunxi-boards/blob/master/sys_config>. You can compile them with the "fex2bin" tool found here: <https://github.com/linux-sunxi/sunxi-tools>.
                    121: 
                    122: To use, copy the compiled FEX to your MS-DOS partition, load it with U-Boot, and then tell the kernel where to find it with the "sysconfig=" boot option. For example, uEnv.txt on a Cubieboard2 might look like this:
                    123: 
                    124: [[!template  id=programlisting text="""
                    125: bootargs=root=ld0a sysconfig=0x43000000
                    126: uenvcmd=mmc dev 0; mmc rescan; fatload mmc 0:1 43000000 cubieboard2.bin; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000
                    127: """]]
                    128: 
1.22      wiki      129: Some pre-compiled .bin files can be found here: <http://ftp.netbsd.org/pub/NetBSD/misc/jmcneill/allwinner/fex/>
                    130: 
1.25      wiki      131: # Framebuffer console
                    132: 
                    133: To use HDMI for the console device, add *console=fb* to bootargs in uEnv.txt.
                    134: 
1.29      wiki      135: If the connected display does not let you disable overscan, you can add a margin to the framebuffer by with the *fb.margin* bootargs option. For example, to set a 25-pixel margin around the screen, add *fb.margin=25* to uEnv.txt
                    136: 
1.27      wiki      137: # HDMI audio
                    138: 
                    139: The default audio device is the analog audio codec. To change the default device, use the *audiocfg* command:
                    140: 
                    141: [[!template  id=programlisting text="""
                    142: a31# audiocfg list
                    143: 0: [*] audio0 @ awinac0: Allwinner CODEC A31, 2 playback channels
                    144: 1: [ ] audio1 @ awinhdmiaudio0: Allwinner HDMI 1.4, 2 playback channels
                    145: a31# audiocfg default 1
                    146: setting default audio device to audio1
                    147: a31# audiocfg list
                    148: 0: [ ] audio0 @ awinac0: Allwinner CODEC A31, 2 playback channels
                    149: 1: [*] audio1 @ awinhdmiaudio0: Allwinner HDMI 1.4, 2 playback channels
                    150: """]]
                    151: 
1.42      wiki      152: # MAC address
1.17      wiki      153: 
1.42      wiki      154: On boards where the ethernet MAC address cannot be determmined, a random MAC address will be generated every boot. You can override this behaviour by specifying a MAC address in *uEnv.txt*:
1.17      wiki      155: [[!template  id=programlisting text="""
                    156: bootargs=root=ld0a awge0.mac-address=02:a0:3d:88:1a:1e
                    157: """]]

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