Patch set updated for coreboot: 6e36351 libpayload: ahci: Increase timeout for signature reading

[Nico Huber]

Nico Huber ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3493

-gerrit

commit 6e363515919fdc22aacbd028ab8dfa353792c60b
Author: Nico Huber 
Date:   Mon Jun 17 17:42:35 2013 +0200

libpayload: ahci: Increase timeout for signature reading

We can't read the drives signature before it's ready, i.e. spun up.
    So set the timeout to the standard 30s. Also put a notice on the
    console, so the user knows why the signature reading failed.

Change-Id: I2148258f9b0eb950b71544dafd95776ae70afac8
    Signed-off-by: Nico Huber 
---
 payloads/libpayload/drivers/storage/ahci.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/payloads/libpayload/drivers/storage/ahci.c b/payloads/libpayload/drivers/storage/ahci.c
index 72acd0b..893ef07 100644
--- a/payloads/libpayload/drivers/storage/ahci.c
+++ b/payloads/libpayload/drivers/storage/ahci.c
@@ -395,11 +395,17 @@ static int ahci_dev_init(hba_ctrl_t *const ctrl,
    dev->cmdtable = cmdtable;
    dev->rcvd_fis = rcvd_fis;

-	/* Wait for D2H Register FIS with device' signature. */
-	int timeout = 200; /* Time out after 200 * 10ms == 2s. */
+	/*
+	 * Wait for D2H Register FIS with device' signature.
+	 * The drive has to spin up here, so wait up to 30s.
+	 */
+	int timeout = 3 * 1000; /* Time out after 3,000 * 10ms == 30s. */
    while ((port->taskfile_data & HBA_PxTFD_BSY) && timeout--)
    	mdelay(10);

+	if (port->taskfile_data & HBA_PxTFD_BSY)
+		printf("ahci: Timed out waiting for device to spin up.\n");
+
    /* Initialize device or fall through to clean up. */
    switch (port->signature) {
    case HBA_PxSIG_ATA: