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1 | Poky Hardware README | ||
2 | ==================== | ||
3 | |||
4 | This file gives details about using Poky with the reference machines | ||
5 | supported out of the box. A full list of supported reference target machines | ||
6 | can be found by looking in the following directories: | ||
7 | |||
8 | meta/conf/machine/ | ||
9 | meta-yocto-bsp/conf/machine/ | ||
10 | |||
11 | If you are in doubt about using Poky/OpenEmbedded with your hardware, consult | ||
12 | the documentation for your board/device. | ||
13 | |||
14 | Support for additional devices is normally added by creating BSP layers - for | ||
15 | more information please see the Yocto Board Support Package (BSP) Developer's | ||
16 | Guide - documentation source is in documentation/bspguide or download the PDF | ||
17 | from: | ||
18 | |||
19 | http://yoctoproject.org/documentation | ||
20 | |||
21 | Support for physical reference hardware has now been split out into a | ||
22 | meta-yocto-bsp layer which can be removed separately from other layers if not | ||
23 | needed. | ||
24 | |||
25 | |||
26 | QEMU Emulation Targets | ||
27 | ====================== | ||
28 | |||
29 | To simplify development, the build system supports building images to | ||
30 | work with the QEMU emulator in system emulation mode. Several architectures | ||
31 | are currently supported: | ||
32 | |||
33 | * ARM (qemuarm) | ||
34 | * x86 (qemux86) | ||
35 | * x86-64 (qemux86-64) | ||
36 | * PowerPC (qemuppc) | ||
37 | * MIPS (qemumips) | ||
38 | |||
39 | Use of the QEMU images is covered in the Yocto Project Reference Manual. | ||
40 | The appropriate MACHINE variable value corresponding to the target is given | ||
41 | in brackets. | ||
42 | |||
43 | |||
44 | Hardware Reference Boards | ||
45 | ========================= | ||
46 | |||
47 | The following boards are supported by the meta-yocto-bsp layer: | ||
48 | |||
49 | * Texas Instruments Beaglebone (beaglebone) | ||
50 | * Freescale MPC8315E-RDB (mpc8315e-rdb) | ||
51 | |||
52 | For more information see the board's section below. The appropriate MACHINE | ||
53 | variable value corresponding to the board is given in brackets. | ||
54 | |||
55 | |||
56 | Consumer Devices | ||
57 | ================ | ||
58 | |||
59 | The following consumer devices are supported by the meta-yocto-bsp layer: | ||
60 | |||
61 | * Intel x86 based PCs and devices (genericx86) | ||
62 | * Ubiquiti Networks EdgeRouter Lite (edgerouter) | ||
63 | |||
64 | For more information see the device's section below. The appropriate MACHINE | ||
65 | variable value corresponding to the device is given in brackets. | ||
66 | |||
67 | |||
68 | |||
69 | Specific Hardware Documentation | ||
70 | =============================== | ||
71 | |||
72 | |||
73 | Intel x86 based PCs and devices (genericx86) | ||
74 | ========================================== | ||
75 | |||
76 | The genericx86 MACHINE is tested on the following platforms: | ||
77 | |||
78 | Intel Xeon/Core i-Series: | ||
79 | + Intel Romley Server: Sandy Bridge Xeon processor, C600 PCH (Patsburg), (Canoe Pass CRB) | ||
80 | + Intel Romley Server: Ivy Bridge Xeon processor, C600 PCH (Patsburg), (Intel SDP S2R3) | ||
81 | + Intel Crystal Forest Server: Sandy Bridge Xeon processor, DH89xx PCH (Cave Creek), (Stargo CRB) | ||
82 | + Intel Chief River Mobile: Ivy Bridge Mobile processor, QM77 PCH (Panther Point-M), (Emerald Lake II CRB, Sabino Canyon CRB) | ||
83 | + Intel Huron River Mobile: Sandy Bridge processor, QM67 PCH (Cougar Point), (Emerald Lake CRB, EVOC EC7-1817LNAR board) | ||
84 | + Intel Calpella Platform: Core i7 processor, QM57 PCH (Ibex Peak-M), (Red Fort CRB, Emerson MATXM CORE-411-B) | ||
85 | + Intel Nehalem/Westmere-EP Server: Xeon 56xx/55xx processors, 5520 chipset, ICH10R IOH (82801), (Hanlan Creek CRB) | ||
86 | + Intel Nehalem Workstation: Xeon 56xx/55xx processors, System SC5650SCWS (Greencity CRB) | ||
87 | + Intel Picket Post Server: Xeon 56xx/55xx processors (Jasper Forest), 3420 chipset (Ibex Peak), (Osage CRB) | ||
88 | + Intel Storage Platform: Sandy Bridge Xeon processor, C600 PCH (Patsburg), (Oak Creek Canyon CRB) | ||
89 | + Intel Shark Bay Client Platform: Haswell processor, LynxPoint PCH, (Walnut Canyon CRB, Lava Canyon CRB, Basking Ridge CRB, Flathead Creek CRB) | ||
90 | + Intel Shark Bay Ultrabook Platform: Haswell ULT processor, Lynx Point-LP PCH, (WhiteTip Mountain 1 CRB) | ||
91 | |||
92 | Intel Atom platforms: | ||
93 | + Intel embedded Menlow: Intel Atom Z510/530 CPU, System Controller Hub US15W (Portwell NANO-8044) | ||
94 | + Intel Luna Pier: Intel Atom N4xx/D5xx series CPU (aka: Pineview-D & -M), 82801HM I/O Hub (ICH8M), (Advantech AIMB-212, Moon Creek CRB) | ||
95 | + Intel Queens Bay platform: Intel Atom E6xx CPU (aka: Tunnel Creek), Topcliff EG20T I/O Hub (Emerson NITX-315, Crown Bay CRB, Minnow Board) | ||
96 | + Intel Fish River Island platform: Intel Atom E6xx CPU (aka: Tunnel Creek), Topcliff EG20T I/O Hub (Kontron KM2M806) | ||
97 | + Intel Cedar Trail platform: Intel Atom N2000 & D2000 series CPU (aka: Cedarview), NM10 Express Chipset (Norco kit BIS-6630, Cedar Rock CRB) | ||
98 | |||
99 | and is likely to work on many unlisted Atom/Core/Xeon based devices. The MACHINE | ||
100 | type supports ethernet, wifi, sound, and Intel/vesa graphics by default in | ||
101 | addition to common PC input devices, busses, and so on. Note that it does not | ||
102 | included the binary-only graphic drivers used on some Atom platforms, for | ||
103 | accelerated graphics on these machines please refer to meta-intel. | ||
104 | |||
105 | Depending on the device, it can boot from a traditional hard-disk, a USB device, | ||
106 | or over the network. Writing generated images to physical media is | ||
107 | straightforward with a caveat for USB devices. The following examples assume the | ||
108 | target boot device is /dev/sdb, be sure to verify this and use the correct | ||
109 | device as the following commands are run as root and are not reversable. | ||
110 | |||
111 | USB Device: | ||
112 | 1. Build a live image. This image type consists of a simple filesystem | ||
113 | without a partition table, which is suitable for USB keys, and with the | ||
114 | default setup for the genericx86 machine, this image type is built | ||
115 | automatically for any image you build. For example: | ||
116 | |||
117 | $ bitbake core-image-minimal | ||
118 | |||
119 | 2. Use the "dd" utility to write the image to the raw block device. For | ||
120 | example: | ||
121 | |||
122 | # dd if=core-image-minimal-genericx86.hddimg of=/dev/sdb | ||
123 | |||
124 | If the device fails to boot with "Boot error" displayed, or apparently | ||
125 | stops just after the SYSLINUX version banner, it is likely the BIOS cannot | ||
126 | understand the physical layout of the disk (or rather it expects a | ||
127 | particular layout and cannot handle anything else). There are two possible | ||
128 | solutions to this problem: | ||
129 | |||
130 | 1. Change the BIOS USB Device setting to HDD mode. The label will vary by | ||
131 | device, but the idea is to force BIOS to read the Cylinder/Head/Sector | ||
132 | geometry from the device. | ||
133 | |||
134 | 2. Without such an option, the BIOS generally boots the device in USB-ZIP | ||
135 | mode. To write an image to a USB device that will be bootable in | ||
136 | USB-ZIP mode, carry out the following actions: | ||
137 | |||
138 | a. Determine the geometry of your USB device using fdisk: | ||
139 | |||
140 | # fdisk /dev/sdb | ||
141 | Command (m for help): p | ||
142 | |||
143 | Disk /dev/sdb: 4011 MB, 4011491328 bytes | ||
144 | 124 heads, 62 sectors/track, 1019 cylinders, total 7834944 sectors | ||
145 | ... | ||
146 | |||
147 | Command (m for help): q | ||
148 | |||
149 | b. Configure the USB device for USB-ZIP mode: | ||
150 | |||
151 | # mkdiskimage -4 /dev/sdb 1019 124 62 | ||
152 | |||
153 | Where 1019, 124 and 62 are the cylinder, head and sectors/track counts | ||
154 | as reported by fdisk (substitute the values reported for your device). | ||
155 | When the operation has finished and the access LED (if any) on the | ||
156 | device stops flashing, remove and reinsert the device to allow the | ||
157 | kernel to detect the new partition layout. | ||
158 | |||
159 | c. Copy the contents of the image to the USB-ZIP mode device: | ||
160 | |||
161 | # mkdir /tmp/image | ||
162 | # mkdir /tmp/usbkey | ||
163 | # mount -o loop core-image-minimal-genericx86.hddimg /tmp/image | ||
164 | # mount /dev/sdb4 /tmp/usbkey | ||
165 | # cp -rf /tmp/image/* /tmp/usbkey | ||
166 | |||
167 | d. Install the syslinux boot loader: | ||
168 | |||
169 | # syslinux /dev/sdb4 | ||
170 | |||
171 | e. Unmount everything: | ||
172 | |||
173 | # umount /tmp/image | ||
174 | # umount /tmp/usbkey | ||
175 | |||
176 | Install the boot device in the target board and configure the BIOS to boot | ||
177 | from it. | ||
178 | |||
179 | For more details on the USB-ZIP scenario, see the syslinux documentation: | ||
180 | http://git.kernel.org/?p=boot/syslinux/syslinux.git;a=blob_plain;f=doc/usbkey.txt;hb=HEAD | ||
181 | |||
182 | |||
183 | Texas Instruments Beaglebone (beaglebone) | ||
184 | ========================================= | ||
185 | |||
186 | The Beaglebone is an ARM Cortex-A8 development board with USB, Ethernet, 2D/3D | ||
187 | accelerated graphics, audio, serial, JTAG, and SD/MMC. The Black adds a faster | ||
188 | CPU, more RAM, eMMC flash and a micro HDMI port. The beaglebone MACHINE is | ||
189 | tested on the following platforms: | ||
190 | |||
191 | o Beaglebone Black A6 | ||
192 | o Beaglebone A6 (the original "White" model) | ||
193 | |||
194 | The Beaglebone Black has eMMC, while the White does not. Pressing the USER/BOOT | ||
195 | button when powering on will temporarily change the boot order. But for the sake | ||
196 | of simplicity, these instructions assume you have erased the eMMC on the Black, | ||
197 | so its boot behavior matches that of the White and boots off of SD card. To do | ||
198 | this, issue the following commands from the u-boot prompt: | ||
199 | |||
200 | # mmc dev 1 | ||
201 | # mmc erase 0 512 | ||
202 | |||
203 | To further tailor these instructions for your board, please refer to the | ||
204 | documentation at http://www.beagleboard.org/bone and http://www.beagleboard.org/black | ||
205 | |||
206 | From a Linux system with access to the image files perform the following steps | ||
207 | as root, replacing mmcblk0* with the SD card device on your machine (such as sdc | ||
208 | if used via a usb card reader): | ||
209 | |||
210 | 1. Partition and format an SD card: | ||
211 | # fdisk -lu /dev/mmcblk0 | ||
212 | |||
213 | Disk /dev/mmcblk0: 3951 MB, 3951034368 bytes | ||
214 | 255 heads, 63 sectors/track, 480 cylinders, total 7716864 sectors | ||
215 | Units = sectors of 1 * 512 = 512 bytes | ||
216 | |||
217 | Device Boot Start End Blocks Id System | ||
218 | /dev/mmcblk0p1 * 63 144584 72261 c Win95 FAT32 (LBA) | ||
219 | /dev/mmcblk0p2 144585 465884 160650 83 Linux | ||
220 | |||
221 | # mkfs.vfat -F 16 -n "boot" /dev/mmcblk0p1 | ||
222 | # mke2fs -j -L "root" /dev/mmcblk0p2 | ||
223 | |||
224 | The following assumes the SD card partitions 1 and 2 are mounted at | ||
225 | /media/boot and /media/root respectively. Removing the card and reinserting | ||
226 | it will do just that on most modern Linux desktop environments. | ||
227 | |||
228 | The files referenced below are made available after the build in | ||
229 | build/tmp/deploy/images. | ||
230 | |||
231 | 2. Install the boot loaders | ||
232 | # cp MLO-beaglebone /media/boot/MLO | ||
233 | # cp u-boot-beaglebone.img /media/boot/u-boot.img | ||
234 | |||
235 | 3. Install the root filesystem | ||
236 | # tar x -C /media/root -f core-image-$IMAGE_TYPE-beaglebone.tar.bz2 | ||
237 | |||
238 | 4. If using core-image-base or core-image-sato images, the SD card is ready | ||
239 | and rootfs already contains the kernel, modules and device tree (DTB) | ||
240 | files necessary to be booted with U-boot's default configuration, so | ||
241 | skip directly to step 8. | ||
242 | For core-image-minimal, proceed through next steps. | ||
243 | |||
244 | 5. If using core-image-minimal rootfs, install the modules | ||
245 | # tar x -C /media/root -f modules-beaglebone.tgz | ||
246 | |||
247 | 6. If using core-image-minimal rootfs, install the kernel uImage into /boot | ||
248 | directory of rootfs | ||
249 | # cp uImage-beaglebone.bin /media/root/boot/uImage | ||
250 | |||
251 | 7. If using core-image-minimal rootfs, also install device tree (DTB) files | ||
252 | into /boot directory of rootfs | ||
253 | # cp uImage-am335x-bone.dtb /media/root/boot/am335x-bone.dtb | ||
254 | # cp uImage-am335x-boneblack.dtb /media/root/boot/am335x-boneblack.dtb | ||
255 | |||
256 | 8. Unmount the SD partitions, insert the SD card into the Beaglebone, and | ||
257 | boot the Beaglebone | ||
258 | |||
259 | |||
260 | Freescale MPC8315E-RDB (mpc8315e-rdb) | ||
261 | ===================================== | ||
262 | |||
263 | The MPC8315 PowerPC reference platform (MPC8315E-RDB) is aimed at hardware and | ||
264 | software development of network attached storage (NAS) and digital media server | ||
265 | applications. The MPC8315E-RDB features the PowerQUICC II Pro processor, which | ||
266 | includes a built-in security accelerator. | ||
267 | |||
268 | (Note: you may find it easier to order MPC8315E-RDBA; this appears to be the | ||
269 | same board in an enclosure with accessories. In any case it is fully | ||
270 | compatible with the instructions given here.) | ||
271 | |||
272 | Setup instructions | ||
273 | ------------------ | ||
274 | |||
275 | You will need the following: | ||
276 | * NFS root setup on your workstation | ||
277 | * TFTP server installed on your workstation | ||
278 | * Straight-thru 9-conductor serial cable (DB9, M/F) connected from your | ||
279 | PC to UART1 | ||
280 | * Ethernet connected to the first ethernet port on the board | ||
281 | |||
282 | --- Preparation --- | ||
283 | |||
284 | Note: if you have altered your board's ethernet MAC address(es) from the | ||
285 | defaults, or you need to do so because you want multiple boards on the same | ||
286 | network, then you will need to change the values in the dts file (patch | ||
287 | linux/arch/powerpc/boot/dts/mpc8315erdb.dts within the kernel source). If | ||
288 | you have left them at the factory default then you shouldn't need to do | ||
289 | anything here. | ||
290 | |||
291 | --- Booting from NFS root --- | ||
292 | |||
293 | Load the kernel and dtb (device tree blob), and boot the system as follows: | ||
294 | |||
295 | 1. Get the kernel (uImage-mpc8315e-rdb.bin) and dtb (uImage-mpc8315e-rdb.dtb) | ||
296 | files from the tmp/deploy directory, and make them available on your TFTP | ||
297 | server. | ||
298 | |||
299 | 2. Connect the board's first serial port to your workstation and then start up | ||
300 | your favourite serial terminal so that you will be able to interact with | ||
301 | the serial console. If you don't have a favourite, picocom is suggested: | ||
302 | |||
303 | $ picocom /dev/ttyUSB0 -b 115200 | ||
304 | |||
305 | 3. Power up or reset the board and press a key on the terminal when prompted | ||
306 | to get to the U-Boot command line | ||
307 | |||
308 | 4. Set up the environment in U-Boot: | ||
309 | |||
310 | => setenv ipaddr <board ip> | ||
311 | => setenv serverip <tftp server ip> | ||
312 | => setenv bootargs root=/dev/nfs rw nfsroot=<nfsroot ip>:<rootfs path> ip=<board ip>:<server ip>:<gateway ip>:255.255.255.0:mpc8315e:eth0:off console=ttyS0,115200 | ||
313 | |||
314 | 5. Download the kernel and dtb, and boot: | ||
315 | |||
316 | => tftp 1000000 uImage-mpc8315e-rdb.bin | ||
317 | => tftp 2000000 uImage-mpc8315e-rdb.dtb | ||
318 | => bootm 1000000 - 2000000 | ||
319 | |||
320 | |||
321 | Ubiquiti Networks EdgeRouter Lite (edgerouter) | ||
322 | ============================================== | ||
323 | |||
324 | The EdgeRouter Lite is part of the EdgeMax series. It is a MIPS64 router | ||
325 | (based on the Cavium Octeon processor) with 512MB of RAM, which uses an | ||
326 | internal USB pendrive for storage. | ||
327 | |||
328 | Setup instructions | ||
329 | ------------------ | ||
330 | |||
331 | You will need the following: | ||
332 | * NFS root setup on your workstation | ||
333 | * TFTP server installed on your workstation | ||
334 | * RJ45 -> serial ("rollover") cable connected from your PC to the CONSOLE | ||
335 | port on the board | ||
336 | * Ethernet connected to the first ethernet port on the board | ||
337 | |||
338 | --- Preparation --- | ||
339 | |||
340 | Build an image (e.g. core-image-minimal) using "edgerouter" as the MACHINE. | ||
341 | In the following instruction it is based on core-image-minimal. Another target | ||
342 | may be similiar with it. | ||
343 | |||
344 | --- Booting from NFS root --- | ||
345 | |||
346 | Load the kernel, and boot the system as follows: | ||
347 | |||
348 | 1. Get the kernel (vmlinux) file from the tmp/deploy/images/edgerouter | ||
349 | directory, and make them available on your TFTP server. | ||
350 | |||
351 | 2. Connect the board's first serial port to your workstation and then start up | ||
352 | your favourite serial terminal so that you will be able to interact with | ||
353 | the serial console. If you don't have a favourite, picocom is suggested: | ||
354 | |||
355 | $ picocom /dev/ttyS0 -b 115200 | ||
356 | |||
357 | 3. Power up or reset the board and press a key on the terminal when prompted | ||
358 | to get to the U-Boot command line | ||
359 | |||
360 | 4. Set up the environment in U-Boot: | ||
361 | |||
362 | => setenv ipaddr <board ip> | ||
363 | => setenv serverip <tftp server ip> | ||
364 | |||
365 | 5. Download the kernel and boot: | ||
366 | |||
367 | => tftp tftp $loadaddr vmlinux | ||
368 | => bootoctlinux $loadaddr coremask=0x3 root=/dev/nfs rw nfsroot=<nfsroot ip>:<rootfs path> ip=<board ip>:<server ip>:<gateway ip>:<netmask>:edgerouter:eth0:off mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@3072k(eeprom) | ||
369 | |||
370 | --- Booting from USB root --- | ||
371 | |||
372 | To boot from the USB disk, you either need to remove it from the edgerouter | ||
373 | box and populate it from another computer, or use a previously booted NFS | ||
374 | image and populate from the edgerouter itself. | ||
375 | |||
376 | Type 1: Mounted USB disk | ||
377 | ------------------------ | ||
378 | |||
379 | To boot from the USB disk there are two available partitions on the factory | ||
380 | USB storage. The rest of this guide assumes that these partitions are left | ||
381 | intact. If you change the partition scheme, you must update your boot method | ||
382 | appropriately. | ||
383 | |||
384 | The standard partitions are: | ||
385 | |||
386 | - 1: vfat partition containing factory kernels | ||
387 | - 2: ext3 partition for the root filesystem. | ||
388 | |||
389 | You can place the kernel on either partition 1, or partition 2, but the roofs | ||
390 | must go on partition 2 (due to its size). | ||
391 | |||
392 | Note: If you place the kernel on the ext3 partition, you must re-create the | ||
393 | ext3 filesystem, since the factory u-boot can only handle 128 byte inodes and | ||
394 | cannot read the partition otherwise. | ||
395 | |||
396 | Steps: | ||
397 | |||
398 | 1. Remove the USB disk from the edgerouter and insert it into a computer | ||
399 | that has access to your build artifacts. | ||
400 | |||
401 | 2. Copy the kernel image to the USB storage (assuming discovered as 'sdb' on | ||
402 | the development machine): | ||
403 | |||
404 | 2a) if booting from vfat | ||
405 | |||
406 | # mount /dev/sdb1 /mnt | ||
407 | # cp tmp/deploy/images/edgerouter/vmlinux /mnt | ||
408 | # umount /mnt | ||
409 | |||
410 | 2b) if booting from ext3 | ||
411 | |||
412 | # mkfs.ext3 -I 128 /dev/sdb2 | ||
413 | # mount /dev/sdb2 /mnt | ||
414 | # mkdir /mnt/boot | ||
415 | # cp tmp/deploy/images/edgerouter/vmlinux /mnt/boot | ||
416 | # umount /mnt | ||
417 | |||
418 | 3. Extract the rootfs to the USB storage ext3 partition | ||
419 | |||
420 | # mount /dev/sdb2 /mnt | ||
421 | # tar -xvjpf core-image-minimal-XXX.tar.bz2 -C /mnt | ||
422 | # umount /mnt | ||
423 | |||
424 | 4. Reboot the board and press a key on the terminal when prompted to get to the U-Boot | ||
425 | command line: | ||
426 | |||
427 | 5. Load the kernel and boot: | ||
428 | |||
429 | 5a) vfat boot | ||
430 | |||
431 | => fatload usb 0:1 $loadaddr vmlinux | ||
432 | |||
433 | 5b) ext3 boot | ||
434 | |||
435 | => ext2load usb 0:2 $loadaddr boot/vmlinux | ||
436 | |||
437 | => bootoctlinux $loadaddr coremask=0x3 root=/dev/sda2 rw rootwait mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@3072k(eeprom) | ||
438 | |||
439 | |||
440 | Type 2: NFS | ||
441 | ----------- | ||
442 | |||
443 | Note: If you place the kernel on the ext3 partition, you must re-create the | ||
444 | ext3 filesystem, since the factory u-boot can only handle 128 byte inodes and | ||
445 | cannot read the partition otherwise. | ||
446 | |||
447 | These boot instructions assume that you have recreated the ext3 filesystem with | ||
448 | 128 byte inodes, you have an updated uboot or you are running and image capable | ||
449 | of making the filesystem on the board itself. | ||
450 | |||
451 | |||
452 | 1. Boot from NFS root | ||
453 | |||
454 | 2. Mount the USB disk partition 2 and then extract the contents of | ||
455 | tmp/deploy/core-image-XXXX.tar.bz2 into it. | ||
456 | |||
457 | Before starting, copy core-image-minimal-xxx.tar.bz2 and vmlinux into | ||
458 | rootfs path on your workstation. | ||
459 | |||
460 | and then, | ||
461 | |||
462 | # mount /dev/sda2 /media/sda2 | ||
463 | # tar -xvjpf core-image-minimal-XXX.tar.bz2 -C /media/sda2 | ||
464 | # cp vmlinux /media/sda2/boot/vmlinux | ||
465 | # umount /media/sda2 | ||
466 | # reboot | ||
467 | |||
468 | 3. Reboot the board and press a key on the terminal when prompted to get to the U-Boot | ||
469 | command line: | ||
470 | |||
471 | # reboot | ||
472 | |||
473 | 4. Load the kernel and boot: | ||
474 | |||
475 | => ext2load usb 0:2 $loadaddr boot/vmlinux | ||
476 | => bootoctlinux $loadaddr coremask=0x3 root=/dev/sda2 rw rootwait mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@3072k(eeprom) | ||