From: Bin Meng <bmeng.cn@gmail.com>
Date: Thu, 25 Feb 2021 09:22:41 +0000 (+0800)
Subject: pci: mpc85xx: Support controller register physical address beyond 32-bit
X-Git-Tag: v2021.10~275^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=03ff970a1b5a07f0814adf8156e2fb520ffb322a;p=platform%2Fkernel%2Fu-boot.git

pci: mpc85xx: Support controller register physical address beyond 32-bit

devfdt_get_addr_index() returns fdt_addr_t which might be a 64-bit
physical address. Use map_physmem() to return the virtual address
that can be used by a 32-bit machine.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
---

diff --git a/drivers/pci/pci_mpc85xx.c b/drivers/pci/pci_mpc85xx.c
index 7387a1e..f0d469a 100644
--- a/drivers/pci/pci_mpc85xx.c
+++ b/drivers/pci/pci_mpc85xx.c
@@ -134,9 +134,8 @@ static int mpc85xx_pci_of_to_plat(struct udevice *dev)
 	addr = devfdt_get_addr_index(dev, 0);
 	if (addr == FDT_ADDR_T_NONE)
 		return -EINVAL;
-	priv->cfg_addr = (void __iomem *)addr;
-	addr += 4;
-	priv->cfg_data = (void __iomem *)addr;
+	priv->cfg_addr = (void __iomem *)map_physmem(addr, 0, MAP_NOCACHE);
+	priv->cfg_data = (void __iomem *)((ulong)priv->cfg_addr + 4);
 
 	return 0;
 }