forked from luck/tmp_suning_uos_patched
ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN
We must clear this IMX6Q_GPR13_SATA_MPLL_CLK_EN bit on i.MX6Q, otherwise Linux will fail to find the attached drive on some boards. This entire fix was: Reported-by: Eric Nelson <eric.nelson@boundarydevices.com> Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Cc: Richard Zhu <r65037@freescale.com> Cc: Linux-IDE <linux-ide@vger.kernel.org> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
This commit is contained in:
parent
87809942d3
commit
10becdb402
@ -113,7 +113,7 @@ static int imx6q_sata_init(struct device *dev, void __iomem *mmio)
|
||||
/*
|
||||
* set PHY Paremeters, two steps to configure the GPR13,
|
||||
* one write for rest of parameters, mask of first write
|
||||
* is 0x07fffffd, and the other one write for setting
|
||||
* is 0x07ffffff, and the other one write for setting
|
||||
* the mpll_clk_en.
|
||||
*/
|
||||
regmap_update_bits(imxpriv->gpr, 0x34, IMX6Q_GPR13_SATA_RX_EQ_VAL_MASK
|
||||
@ -124,6 +124,7 @@ static int imx6q_sata_init(struct device *dev, void __iomem *mmio)
|
||||
| IMX6Q_GPR13_SATA_TX_ATTEN_MASK
|
||||
| IMX6Q_GPR13_SATA_TX_BOOST_MASK
|
||||
| IMX6Q_GPR13_SATA_TX_LVL_MASK
|
||||
| IMX6Q_GPR13_SATA_MPLL_CLK_EN
|
||||
| IMX6Q_GPR13_SATA_TX_EDGE_RATE
|
||||
, IMX6Q_GPR13_SATA_RX_EQ_VAL_3_0_DB
|
||||
| IMX6Q_GPR13_SATA_RX_LOS_LVL_SATA2M
|
||||
|
Loading…
Reference in New Issue
Block a user