From: Prakash Punnoor <prakash@punnoor.de>
To: jgarzik@pobox.com
Subject: Re: libata support for JMicron JMB360 ?
Date: Sat, 31 Dec 2005 10:47:50 +0100
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Am Freitag Dezember 30 2005 15:41 schrieb Prakash Punnoor:
> Hi,
>
> I read in an old thread that this question was asked once and you replied
> you never heard of this chip. Maybe now the situation has changed? If not,
> please take a look here:
>
> http://www.jmicron.com/product/jmb360.htm
>
> It claims the chip is ahci compatible, but the libata ahci driver can't
> detect it (tried 2.6.14.2 and 2.6.15-rc7).
>
> Maybe just adding some ids or such is enough for supporting it?
> Following lspci -vvv -xxx regrading the Jmicron stuff:

[...]

Well, I tried adding the ids into ahci.c, but this wasn't enough:

=2D-- linux-2.6.15-rc7/drivers/scsi/ahci.c.old	2005-12-31 10:36:35.00000000=
0=20
+0100
+++ linux-2.6.15-rc7/drivers/scsi/ahci.c	2005-12-31 10:36:45.000000000 +0100
@@ -277,6 +277,8 @@
 	  board_ahci }, /* ESB2 */
 	{ PCI_VENDOR_ID_INTEL, 0x27c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_ahci }, /* ICH7-M DH */
+	{ 0x197b, 0x2360, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* JMicron JMB360 */
 	{ }	/* terminate list */
 };
=20
dmesg gives:
libata version 1.20 loaded.
ahci 0000:03:00.0: version 1.2
ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 35 (level, low) -> IRQ 50
PCI: Setting latency timer of device 0000:03:00.0 to 64
ahci 0000:03:00.0: AHCI 0001.0000 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
ahci 0000:03:00.0: flags: 64bit ncq pm led clo pmp pio slum part=20
ata1: SATA max UDMA/133 cmd 0xF8804100 ctl 0x0 bmdma 0x0 irq 50
ata1 is slow to respond, please be patient
ata1 failed to respond (30 secs)
scsi0 : ahci

Any ideas?
=2D-=20
(=C2=B0=3D                 =3D=C2=B0)
//\ Prakash Punnoor /\\
V_/                 \_V

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