MultiMediaCard - Revision history

FabienM: /* U-Boot usage */

2020-07-07T12:54:42Z

‎U-Boot usage

2020-07-07T10:58:02Z

‎U-Boot usage

2020-07-07T10:57:45Z

‎U-Boot usage

2020-07-07T10:57:22Z

‎U-Boot usage

2017-04-03T07:31:27Z

‎Prepare your card

2017-03-31T10:21:37Z

‎Prepare your card

2017-03-31T10:20:09Z

‎Prepare your card

2017-03-31T10:18:00Z

‎Booting from MMC/SD

2017-03-31T10:16:35Z

‎Prepare your card

2015-02-20T15:37:43Z

‎Put your rootfs and Linux kernel on the MMC/SD

@@ Line 159: / Line 159: @@
 imx6q-apf6dev.dtb
 imx6dl-apf6dev.dtb
 </pre>

@@ Line 159: / Line 159: @@
 imx6q-apf6dev.dtb
 imx6dl-apf6dev.dtb
 </pre>

@@ Line 148: / Line 148: @@
 </pre>
-On last APF/OPOS the eMMC mounted on board have the same behavior of SD Cards, but not formatted as with fat system files. Then to read partition '''ext2ls''' and '''ext4ls''' commands can be used :
+On last APF/OPOS the eMMC mounted on board have the same behavior of SD Cards, but not formatted as with fat system files. Then to read partition '''ext2ls''' and '''ext4ls''' commands can be used (example on apf6):
-<pre>
+<pre class="apf">
 BIOS> ext2ls mmc 0
 <DIR>       1024 .

@@ Line 132: / Line 132: @@
 ==U-Boot usage==
 SD cards can also be used with U-Boot.
 The following commands are useful:
@@ Line 145: / Line 146: @@
 <pre class="apf">
 BIOS> fatload mmc 0 ${loadaddr} xxx.bin
 </pre>

@@ Line 50: / Line 50: @@
 * If your APF has the ''mkfs'' tools, then format your MMC:
 <pre class="apf">
-  # mkfs.ext4 /dev/mmcblkXp1
+  # mkfs.ext4 -O ^64bit /dev/mmcblkXp1
 </pre>
 * Otherwise, on your PC, format your MMC with Ext2 or Ext3/4 filesystems (booting on FAT is bad :-) ):

@@ Line 48: / Line 48: @@
   (To quit without saving: 'm')
 </pre>
-* Then, on your PC, format your MMC with Ext2 or Ext3/4 filesystems (booting on FAT is bad :-) ):
+* If your APF has the ''mkfs'' tools, then format your MMC:
 <pre class="host">
   $ sudo mkfs.ext2 /dev/sdX1   (replace X with your MMC reader drive letter, if your Laptop has an integrated

@@ Line 43: / Line 43: @@
   Delete all existing partion with 'd'
-  Create a primary partion: 'n' then 'p' then '1'
+  Create a primary partion: 'n' then 'p' then '1' then 2x'ENTER'
   Change bootflag to Linux: 't' then '83'
   Save partition table: 'w'

@@ Line 38: / Line 38: @@
 ===Prepare your card===
-* On your APF board (to avoid to crash your Host HD), create a good partition table:
+* On your APF board (to avoid to crash your Host HD), create a good partition table on MMC (X is the id of the device, for example 1 on [[APF6]]):
 <pre class="apf">
-  # /sbin/fdisk /dev/mmcblk0
+  # /sbin/fdisk /dev/mmcblkX
   Delete all existing partion with 'd'
   Create a primary partion: 'n' then 'p' then '1'

@@ Line 86: / Line 86: @@
 * You can also copy the Linux kernel to the rootfs ''/boot'' folder and dtb files for recent kernel supporting it:
 <pre class="host">
-$ sudo mkdir -p /media/mmc/boot
+$ sudo mkdir -p /media/mmc/boot/dtbs
-$ sudo cp $ARMADEUS_BINARIES/$ARMADEUS_BOARD_NAME-linux.bin /media/mmc/boot
+$ sudo cp $ARMADEUS_BINARIES/$ARMADEUS_BOARD_NAME-linux.bin /media/mmc/boot/
-$ sudo cp $ARMADEUS_BINARIES/*.dtb /media/mmc/boot/
+$ sudo cp $ARMADEUS_BINARIES/*.dtb /media/mmc/boot/dtbs/
 </pre>
 * Then umount your MMC/SD from your PC: