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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-07-20 11:38:18 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-07-31 08:49:43 +0200 |
| commit | e871a2de75a0a1266fdede7701518d0ef9763004 (patch) | |
| tree | 8358258607d04d0a0ce70b3215c88d2c3a4937be /drivers/ata | |
| parent | 459c7f3213ab0698cac25f591b7803cfb71d588e (diff) | |
| download | barebox-e871a2de75a0a1266fdede7701518d0ef9763004.tar.gz barebox-e871a2de75a0a1266fdede7701518d0ef9763004.tar.xz | |
ata: sata-imx: Add delay to prevent link timeout
On the Utilite board this delay is necessary to prevent a link timeout.
It seems the values written to GPR13 have to settle for some time before
further accesses may be made.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/sata-imx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ata/sata-imx.c b/drivers/ata/sata-imx.c index 42a56dcc8b..612762e229 100644 --- a/drivers/ata/sata-imx.c +++ b/drivers/ata/sata-imx.c @@ -37,6 +37,8 @@ static int imx6_sata_init(struct imx_ahci *imx_ahci) writel(val, base + IOMUXC_GPR13); writel(val | 2, base + IOMUXC_GPR13); + udelay(100); + return 0; } |