How to use vanilla kernel on APF27 - Revision history

JulienB: /* mainline target */

2014-06-25T16:27:12Z

‎mainline target

JulienB at 09:34, 25 June 2014

2014-06-25T09:34:41Z

JulienB: /* mainline target */

2014-01-17T13:55:34Z

‎mainline target

JulienB: /* mainline target */

2014-01-17T13:53:53Z

‎mainline target

JulienB: /* mainline target */

2014-01-17T13:48:59Z

‎mainline target

FabienM at 09:01, 20 December 2013

2013-12-20T09:01:32Z

FabienM at 08:11, 6 December 2013

2013-12-06T08:11:32Z

FabienM: /* Evolution of migration */

2013-12-06T07:47:55Z

‎Evolution of migration

FabienM: /* Get the trunk version */

2013-12-06T07:46:48Z

‎Get the trunk version

FabienM at 07:46, 6 December 2013

2013-12-06T07:46:04Z

@@ Line 44: / Line 44: @@
 <pre class="apf">
-BIOS> setenv console console=ttymxc0,115200 video=imxfb:Chimei-LW700AT9003
+BIOS> setenv extrabootargs video=imxfb:Chimei-LW700AT9003
 </pre>

@@ Line 1: / Line 1: @@
-[[Category: kernel]]
+By default, the stable kernel version generated by the armadeus BSP for APF27 is 2.6.29.6. Migration toward mainline/vanilla kernel [[Kernel-upstream-status | is in progress]] but not finished.
-By default, the kernel for APF27 is the 2.6.29.6. Migration for the kernel upstream [[Kernel-upstream-status | is in progress]] but not finished, and some features like [[Can | CAN]] or [[GPIOlib]] interrupts management are not available under kernel 2.6.29. This article explain how to use a recent kernel with latest armadeus trunk on APF27.
+However some features like [[Can | CAN]] or [[GPIOlib]] interrupts management are not available under this 2.6.29 version. This page will explain how to build and use a recent kernel with latest armadeus BSP on APF27, for people wanting more features than 2.6.29 can offer.
-With recent kernel it is also important to know how to use kernel [[device tree]]
+With recent kernels it is very important to know how to use kernel [[device tree]] mechanism !
 == mainline target ==
-* Get the latest trunk version with command :
+* Get the latest armadeus BSP development version:
 <pre class="host">
-$ git clone git://git.code.sf.net/p/armadeus/code armadeus-trunk
+$ git clone git://git.code.sf.net/p/armadeus/code armadeus-head
 </pre>
-* Configure the BSP for APF27 "mainline" :
+* Configure the BSP for "mainline" APF27:
 <pre class="host">
-$ cd armadeus-trunk
+$ cd armadeus-head
 $ make apf27mainline_defconfig
 </pre>
-* Update your board:
+* Build the BSP:
-First time only:
+<pre class="host">
 <pre class="apf">
 BIOS> run update_uboot; reset
@@ Line 36: / Line 41: @@
 </pre>
-* Framebuffer can support multiple LCDs and so LCD you want to use must be passed as bootparam (like serial port). So you can do (for example):
+* With recent kernels, framebuffer can support multiple LCDs and so LCD you want to use must be passed as bootargs (like serial port). So you can do (for example):
 <pre class="apf">
@@ Line 45: / Line 50: @@
 See [[Kernel-upstream-status]] to know the status of kernel migration.

@@ Line 30: / Line 30: @@
 BIOS> run update_rootfs
-BIOS> setenv fdt_addr_r 0xa0008000
+BIOS> setenv fdt_addr_r 0xa1000000
 BIOS> setenv consoledev ttymxc0
 BIOS> saveenv

@@ Line 26: / Line 26: @@
 Each time you switch from 2.6.29.6 to mainline:
 <pre class="apf">
 BIOS> run update_dtb
 BIOS> run update_kernel
 BIOS> run update_rootfs
 </pre>

@@ Line 12: / Line 12: @@
 </pre>
-* Configure the view for APF28 "mainline" :
+* Configure the BSP for APF27 "mainline" :
 <pre class="host">
 $ cd armadeus-trunk
@@ Line 19: / Line 19: @@
 * Update your board:
 <pre class="apf">
 BIOS> run update_uboot; reset
 BIOS> run flash_reset_env; reset
 BIOS> setenv fdt_addr_r A0008000
 BIOS> saveenv
@@ Line 34: / Line 38: @@
 BIOS> setenv console console=ttymxc0,115200 video=imxfb:Chimei-LW700AT9003
 </pre>
 == Evolution of migration ==
 See [[Kernel-upstream-status]] to know the status of kernel migration.

← Older revision		Revision as of 09:01, 20 December 2013
Line 28:		Line 28:
	BIOS> run update_rootfs		BIOS> run update_rootfs
	</pre>		</pre>
		+
		+	* Framebuffer can support multiple LCDs and so LCD you want to use must be passed as bootparam (like serial port). So you can do (for example):
		+
		+	<pre class="apf">
		+	BIOS> setenv console console=ttymxc0,115200 video=imxfb:Chimei-LW700AT9003
		+	</pre>
		+	== Evolution of migration ==
		+
		+	See [[Kernel-upstream-status]] to know the status of kernel migration.

@@ Line 5: / Line 5: @@
 With recent kernel it is also important to know how to use kernel [[device tree]]
-== Get the trunk version ==
+== mainline target ==
-Get the latest trunk version with command :
+* Get the latest trunk version with command :
 <pre class="host">
-$ git clone git://git.code.sf.net/p/armadeus/code apf27
+$ git clone git://git.code.sf.net/p/armadeus/code armadeus-trunk
 </pre>
-Configure the view for APF27 :
+* Configure the view for APF28 "mainline" :
 <pre class="host">
-$ make apf27_defconfig
+$ cd armadeus-trunk
 </pre>
-On menuconfig select :
+* Update your board:
-<pre class="config">
-Toolchain  --->
-    Kernel Headers (Linux 2.6 (manually specified version))  --->
-    (3.12.4) linux version
-[...]
-System configuration  --->
-    (ttymxc0) Port to run a getty (login prompt) on
-[...]
-Kernel  --->
-    (3.12.4) Kernel version
-</pre>
-−
-Then make :
-<pre class="host">
-$ make
-</pre>
-−
-== U-Boot modification ==
-−
-Serial port names have been unified to /dev/ttymxc[0-6]. So if you want to see something on your serial console please do the following before booting:
 <pre class="apf">
-BIOS> setenv console console=ttymxc0,115200
+BIOS> run update_uboot; reset
 </pre>

← Older revision		Revision as of 07:47, 6 December 2013
Line 49:		Line 49:
	== Evolution of migration ==		== Evolution of migration ==

−	~~The evolution of patches migration can be found on~~ [[~~APF9328_and_APF27_migration_to_Linux_2.6.38#APF27_patches \| migration page~~]].	+	See [[Kernel-upstream-status]] to know the status of kernel migration.