--- zzzz-none-000/linux-4.9.279/drivers/ata/ata_piix.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/drivers/ata/ata_piix.c	2023-02-08 11:43:42.000000000 +0000
@@ -348,6 +348,10 @@
 	{ 0x8086, 0x8c80, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
 	/* SATA Controller IDE (9 Series) */
 	{ 0x8086, 0x8c81, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
+	/* SATA Controller IDE (Puma7).
+	 * Attach iff the controller is in IDE mode. */
+	{ 0x8086, 0x2ba0, PCI_ANY_ID, PCI_ANY_ID,
+	  PCI_CLASS_STORAGE_IDE << 8, 0xffff00, ich8_2port_sata },
 
 	{ }	/* terminate list */
 };