Android r10.2 support SATA boot up

MarkDing — Thu, 29 Oct 2020 09:15:10 GMT

1. u-boot

In include/configs/mx53_smd_android.h

-#define CONFIG_FSL_ENV_IN_MMC

+#define CONFIG_FSL_ENV_IN_SATA

+#elif defined(CONFIG_FSL_ENV_IN_SATA)

+        #define CONFIG_ENV_IS_IN_SATA   1

+        #define CONFIG_SATA_ENV_DEV     0

+        #define CONFIG_ENV_OFFSET       (768 * 1024)

2. Kernel

In kernel-imx/arch/arm/configs/imx5_android_defconfig

CONFIG_ATA=y

CONFIG_ATA_VERBOSE_ERROR=y

CONFIG_SATA_AHCI_PLATFORM=y

CONFIG_ATA_SFF=y

3. Android

In device/fsl/imx53_smd/init.rc

-    mount ext4 /dev/block/mmcblk0p2 /system

-    mount ext4 /dev/block/mmcblk0p2 /system ro remount -    mount ext4 /dev/block/mmcblk0p5 /data nosuid nodev -    mount ext4 /dev/block/mmcblk0p6 /cache nosuid nodev +    mount ext4 /dev/block/sda2 /system +    mount ext4 /dev/block/sda2 /system ro remount +    mount ext4 /dev/block/sda5 /data nosuid nodev +    mount ext4 /dev/block/sda6 /cache nosuid nodev

4. MFG tool

Copy all android relate image files to "files/android"
Modify ucl.xml
change mmcblk to sda in "MX53SMD-Android-SATA"

-<CMD type="push" body="$ sh mksdcard-android.sh /dev/mmcblk0"> Partitioning...</CMD>

+<CMD type="push" body="$ sh mksdcard-android.sh /dev/sda"> Partitioning...</CMD>

5. Blown SATA internal boot fuse

To boot from SATA with internal clock, ensure the fuse “SATA_ALT_CLK_REF” is blown.
The following U-Boot command can blown SATA internal boot fuse:

$ iim blow 4 3 4

6. u-boot parameter

$ setenv ethaddr 00:04:9f:00:ea:d3

$ setenv fec_addr 00:04:9f:00:ea:d3

$ setenv loadaddr 0x70800000

$ setenv rd_loadaddr 0x70D00000

$ setenv bootcmd 'run bootcmd_sata; bootm ${loadaddr} ${rd_loadaddr}'

$ setenv bootcmd_sata 'sata read 0 ${loadaddr} 0x800 0x2000; sata read 0 ${rd_loadaddr} 0x3000 0x300;'

$ setenv bootargs console=ttymxc0 init=/init androidboot.console=ttymxc0 video=mxcdi1fb:RGB666,XGA ldb=di1 di1_primary ip=dhcp gpu_nommu, gpu_memory=64M

$ saveenv

7. Bootup Android

We can see Android bootup and done.

i.MX Processors中的主题 Android r10.2 support SATA boot up