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Merge branch 'remotes/lorenzo/pci/uniphier'

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- Set uniphier to host (RC) mode always (Kunihiko Hayashi)

* remotes/lorenzo/pci/uniphier:
  PCI: uniphier: Set mode register to host mode
This commit is contained in:
Bjorn Helgaas 2019-11-28 08:54:51 -06:00
commit 7747151055
1 changed files with 10 additions and 0 deletions
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10
drivers/pci/controller/dwc/pcie-uniphier.c
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@ -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;