adukot

=> printenv
baudrate=115200
boot_a_script=load ${devtype} ${devnum}:${distro_bootpart} ${scriptaddr} ${prefix}${script}; source ${scriptaddr}
boot_extlinux=sysboot ${devtype} ${devnum}:${distro_bootpart} any ${scriptaddr} ${prefix}extlinux/extlinux.conf
boot_prefixes=/ /boot/
boot_script_dhcp=boot.scr.uimg
boot_scripts=boot.scr.uimg boot.scr
boot_targets=fel usb0 pxe dhcp
bootargs=root=ubi0:rootfs rootfstype=ubifs rw earlyprintk ubi.mtd=4
bootcmd=echo CHIP ID: chip-${serial#} ;gpio set PB2; if test -n ${fel_booted} && test -n ${scriptaddr}; then echo (FEL boot); source ${scriptaddr}; fi; mtdparts; ubi part UBI; ubifsmount ubi0:rootfs; ubifsload $fdt_addr_r /boot/sun5i-r8-chip.dtb; ubifsload $kernel_addr_r /boot/zImage; setenv bootargs $bootargs $kernelarg_video; bootz $kernel_addr_r - $fdt_addr_r

adukot

=>  loadb 40000000
## Ready for binary (kermit) download to 0x40000000 at 115200 bps...
## Total Size      = 0x00495914 = 4806932 Bytes
## Start Addr      = 0x40000000
=> go 40000000
## Starting application at 0x40000000 ...
@B

adukot

ディスクがめっちゃでかくなるので8Gのディスクにシステムを入れて、pkgsrcやsrcは別ディスクにするとよい。
肥大化したときに別ディスクにコピーするだけでサイズを小さくできる。そうしないとゼロで埋めてVMwareでディスクの最適化とかめんどくさい。

/boot.cfgにvesa 1280x800x16とか入れると画面広々でよいね。

そもそもi386でやるとTransbook Chiにもっていきやすい。

adukot

Allwinner R8 memory map

UART0 : 0x01C2 8000
UART1 : 0x01C2 8400　<- bingo!

---
u-boot challenge
---
=> md.l 01c28000
01c28000: 00000000 00000000 00000000 00000000    ................

adukot

=> boot
CHIP ID: chip-162542100a40bb44
Command 'gpio' failed: Error -22

device nand0 <sunxi-nand.0>, # parts = 5
 #: name                size            offset          mask_flags
 0: spl                 0x00400000      0x00000000      0
 1: spl-backup          0x00400000      0x00400000      0
 2: uboot               0x00400000      0x00800000      0
 3: env                 0x00400000      0x00c00000      0

adukot

U-Boot SPL 2016.01-00088-g99c771f (Sep 09 2016 - 22:51:38)
DRAM: 512 MiB
CPU: 1008000000Hz, AXI/AHB/APB: 3/2/2
Trying to boot from NAND


U-Boot 2016.01-00088-g99c771f (Sep 09 2016 - 22:51:38 +0000) Allwinner Technology

CPU:   Allwinner A13 (SUN5I)
I2C:   ready

adukot

Index: sys/arch/evbmips/conf/LINKITSMART
===================================================================
RCS file: sys/arch/evbmips/conf/LINKITSMART
diff -N sys/arch/evbmips/conf/LINKITSMART
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ sys/arch/evbmips/conf/LINKITSMART	27 Jul 2016 17:19:21 -0000
@@ -0,0 +1,253 @@
+#	$NetBSD: ZYXELKX,v 1.6 2015/08/07 14:12:04 maxv Exp $
+
+include		"arch/evbmips/conf/std.rasoc"

adukot

ar7240> mm 18020000
18020000: 00000230 ? 240
@18020004: 00004388 ? .
ar7240> mm.b 18020000
18020000: 00 ?
18020001: 00 ?
18020002: 02 ?
18020003: 0d ? 40
@18020004: 00 ?

adukot

ar7240> help
reset   - Perform RESET of the CPU
?       - alias for 'help'
boot    - boot default, i.e., run 'bootcmd'
bootd   - boot default, i.e., run 'bootcmd'
bootm   - boot application image from memory
cp      - memory copy
erase   - erase FLASH memory
help    - print online help
md      - memory display

adukot

U-Boot 1.1.4 (Aug 28 2015 - 16:51:26)

AP121 (ar9331) U-boot

DRAM:  64 MB
Top of RAM usable for U-Boot at: 84000000
Reserving 140k for U-Boot at: 83fdc000
Reserving 192k for malloc() at: 83fac000
Reserving 44 Bytes for Board Info at: 83fabfd4
Reserving 36 Bytes for Global Data at: 83fabfb0