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pci: pci_mvebu: Remove dependency on SOC_REGS_PHY_BASE macro

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SoC specific macro SOC_REGS_PHY_BASE is used for two things:

* calculation of base PCIe port address
* filling PCIe register with address of internal registers

For calculating base PCIe port address use function
ofnode_translate_address() which translates DT "assigned-addresses" to
final PCIe port address.

And for calculating address of internal registers use untranslated and
translated DT "assigned-addresses".

Basically this change reads SOC_REGS_PHY_BASE address indirectly from DT.

Signed-off-by: Pali Rohár <pali@kernel.org>
This commit is contained in:
Pali Rohár 2021-12-21 12:20:15 +01:00 committed by Stefan Roese
parent 6f4988f90c
commit 137db2af14
1 changed files with 4 additions and 2 deletions
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6
drivers/pci/pci_mvebu.c
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@ -67,6 +67,7 @@ struct mvebu_pcie {
struct resource mem;
void __iomem *iobase;
struct resource io;
u32 intregs;
u32 port;
u32 lane;
int devfn;
@ -350,7 +351,7 @@ static void mvebu_pcie_setup_wins(struct mvebu_pcie *pcie)
pcie->base + PCIE_BAR_CTRL_OFF(1));
/* Setup BAR[0] to internal registers. */
writel(SOC_REGS_PHY_BASE, pcie->base + PCIE_BAR_LO_OFF(0));
writel(pcie->intregs, pcie->base + PCIE_BAR_LO_OFF(0));
writel(0, pcie->base + PCIE_BAR_HI_OFF(0));
}
@ -589,7 +590,8 @@ static int mvebu_pcie_of_to_plat(struct udevice *dev)
goto err;
}
pcie->base = (void *)(fdt32_to_cpu(addr[2]) + SOC_REGS_PHY_BASE);
pcie->base = (void *)(u32)ofnode_translate_address(dev_ofnode(dev), addr);
pcie->intregs = (u32)pcie->base - fdt32_to_cpu(addr[2]);
return 0;