Hi Sir or Madam,
Does i.MX6DQ support the "DEVSLP" function of SATA?
And, does i.MX6Q SABRE-SDP support the "DEVSLP" function, too?
BR,
Keita
Solved! Go to Solution.
Hi Keita
no, since DEVSLP (Device Sleep) was added in revision 3.2 of the
SATA specification SATA DEVSLP , while i.MX6 supports 3.0 revision.
From sect.53.1.1 Features IMX6DQRM :
The SATA block supports the following features:
• Compliant with the following specifications:
• Serial ATA 3.0
Best regards
igor
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Hi Igor,
I'm using a i.MX6QP SOC running NXP Android BSP (android_M6.0.1_2.1.0).
Our SOC is connected with a Transcend SSD by means of a SATA link; I was wondering how to get a lower power consumption when device is in sleep-to-mem (currently it get 0.5W, awfully too much). SSD vendor told me to enable DEVSLP feature with this ATA commands sequence:
Hi Keita
no, since DEVSLP (Device Sleep) was added in revision 3.2 of the
SATA specification SATA DEVSLP , while i.MX6 supports 3.0 revision.
From sect.53.1.1 Features IMX6DQRM :
The SATA block supports the following features:
• Compliant with the following specifications:
• Serial ATA 3.0
Best regards
igor
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Note: If this post answers your question, please click the Correct Answer button. Thank you!
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