From: Paul Burton Date: Thu, 8 Sep 2016 06:47:33 +0000 (+0100) Subject: net: pch_gbe: Use dm_pci_map_bar to discover MMIO base X-Git-Tag: KARO-TXSD-2017-03-15~127^2~8 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=154bf12f78c012895e7b42f844b7b92c4f015509;p=karo-tx-uboot.git net: pch_gbe: Use dm_pci_map_bar to discover MMIO base Reading the PCI BAR & converting the result to a physical address is not safe across all architectures. For example on MIPS the virtual:physical mapping is not 1:1, so we cannot directly make use of the physical address. Use the more generic BAR-mapping function dm_pci_map_bar to discover the MMIO base address, which should work across architectures. Signed-off-by: Paul Burton Acked-by: Joe Hershberger --- diff --git a/drivers/net/pch_gbe.c b/drivers/net/pch_gbe.c index 137818b390..2d0a70088a 100644 --- a/drivers/net/pch_gbe.c +++ b/drivers/net/pch_gbe.c @@ -421,7 +421,7 @@ int pch_gbe_probe(struct udevice *dev) { struct pch_gbe_priv *priv; struct eth_pdata *plat = dev_get_platdata(dev); - u32 iobase; + void *iobase; /* * The priv structure contains the descriptors and frame buffers which @@ -432,11 +432,9 @@ int pch_gbe_probe(struct udevice *dev) priv->dev = dev; - dm_pci_read_config32(dev, PCI_BASE_ADDRESS_1, &iobase); - iobase &= PCI_BASE_ADDRESS_MEM_MASK; - iobase = dm_pci_mem_to_phys(dev, iobase); + iobase = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_1, PCI_REGION_MEM); - plat->iobase = iobase; + plat->iobase = (ulong)iobase; priv->mac_regs = (struct pch_gbe_regs *)iobase; /* Read MAC address from SROM and initialize dev->enetaddr with it */