Commit 4b1140ad authored by Kunihiko Hayashi's avatar Kunihiko Hayashi Committed by Lorenzo Pieralisi
Browse files

PCI: uniphier: Set mode register to host mode 



Set the mode register to host(RC) mode so that the host controller
mode is set-up consistently across SoCs.

Signed-off-by: default avatarKunihiko Hayashi <hayashi.kunihiko@socionext.com>
[lorenzo.pieralisi@arm.com: updated log]
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: default avatarAndrew Murray <andrew.murray@arm.com>
parent 54ecb8f7

drivers/pci/controller/dwc/pcie-uniphier.c

+10 −0
Original line number Diff line number Diff line
@@ -33,6 +33,10 @@ 
#define PCL_PIPEMON			0x0044

#define PCL_PCLK_ALIVE			BIT(15)



#define PCL_MODE			0x8000

#define PCL_MODE_REGEN			BIT(8)

#define PCL_MODE_REGVAL			BIT(0)



#define PCL_APP_READY_CTRL		0x8008

#define PCL_APP_LTSSM_ENABLE		BIT(0)
@@ -85,6 +89,12 @@ static void uniphier_pcie_init_rc(struct uniphier_pcie_priv *priv) 
{

	u32 val;



	/* set RC MODE */

	val = readl(priv->base + PCL_MODE);

	val |= PCL_MODE_REGEN;

	val &= ~PCL_MODE_REGVAL;

	writel(val, priv->base + PCL_MODE);



	/* use auxiliary power detection */

	val = readl(priv->base + PCL_APP_PM0);

	val |= PCL_SYS_AUX_PWR_DET;