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southbridge/amd/sb700: Do drive detection even in AHCI mode

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SeaBIOS AHCI drive detection randomly fails for drives present
on the secondary channel of each AHCI SATA BAR.  Forcing native
drive detection in AHCI mode resolves this issue.

Change-Id: I34eb1d5d3f2f8aefb749a4eeb911c1373d184938
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/11997
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Timothy Pearson 2015-06-20 21:31:15 -05:00 committed by Martin Roth
parent 795ee1a6cd
commit 398540f568
1 changed files with 53 additions and 46 deletions
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11
src/southbridge/amd/sb700/sata.c
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@ -297,7 +297,6 @@ static void sata_init(struct device *dev)
if (port_count > max_port_count) if (port_count > max_port_count)
port_count = max_port_count; port_count = max_port_count;
if (!sata_ahci_mode) {
/* RPR7.7 SATA drive detection. */ /* RPR7.7 SATA drive detection. */
/* Use BAR5+0x128,BAR0 for Primary Slave */ /* Use BAR5+0x128,BAR0 for Primary Slave */
/* Use BAR5+0x1A8,BAR0 for Primary Slave */ /* Use BAR5+0x1A8,BAR0 for Primary Slave */
@ -346,18 +345,26 @@ static void sata_init(struct device *dev)
if (!sata_drive_detect(i, current_bar)) if (!sata_drive_detect(i, current_bar))
break; break;
} }
if (sata_ahci_mode)
printk(BIOS_DEBUG, "AHCI device %d is %sready after %i tries\n",
i,
(j == 10) ? "not " : "",
(j == 10) ? j : j + 1);
else
printk(BIOS_DEBUG, "%s %s device is %sready after %i tries\n", printk(BIOS_DEBUG, "%s %s device is %sready after %i tries\n",
(i / 2) ? "Secondary" : "Primary", (i / 2) ? "Secondary" : "Primary",
(i % 2 ) ? "Slave" : "Master", (i % 2 ) ? "Slave" : "Master",
(j == 10) ? "not " : "", (j == 10) ? "not " : "",
(j == 10) ? j : j + 1); (j == 10) ? j : j + 1);
} else { } else {
if (sata_ahci_mode)
printk(BIOS_DEBUG, "No AHCI SATA drive on Slot%i\n", i);
else
printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n", printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n",
(i / 2) ? "Secondary" : "Primary", (i / 2) ? "Secondary" : "Primary",
(i % 2 ) ? "Slave" : "Master", i); (i % 2 ) ? "Slave" : "Master", i);
} }
} }
}
/* Below is CIM InitSataLateFar */ /* Below is CIM InitSataLateFar */
/* Enable interrupts from the HBA */ /* Enable interrupts from the HBA */