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-rw-r--r--payloads/libpayload/drivers/storage/ahci.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/payloads/libpayload/drivers/storage/ahci.c b/payloads/libpayload/drivers/storage/ahci.c
index 2b33b599f9..ec4db4ca7a 100644
--- a/payloads/libpayload/drivers/storage/ahci.c
+++ b/payloads/libpayload/drivers/storage/ahci.c
@@ -406,11 +406,19 @@ 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.
+ */
+ const int timeout_s = 30; /* Time out after 30s. */
+ int timeout = timeout_s * 100;
while ((port->taskfile_data & HBA_PxTFD_BSY) && timeout--)
mdelay(10);
+ if (port->taskfile_data & HBA_PxTFD_BSY)
+ printf("ahci: Timed out after %d seconds "
+ "of waiting for device to spin up.\n", timeout_s);
+
/* Initialize device or fall through to clean up. */
switch (port->signature) {
case HBA_PxSIG_ATA: