Commit 2c5f6743 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Establish a SuperHyway<->PCIe window mapping on SH7786 PCIe. 



This bumps up the low address to match the physical memory windows for
SHway<->PCIe transfers. The previous implementation was banking on a 1:1
virt<->phys SHway mapping, which doesn't apply here.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 2dbfa1e3

arch/sh/drivers/pci/pcie-sh7786.c

+1 −1
Original line number Diff line number Diff line
@@ -354,8 +354,8 @@ static int pcie_init(struct sh7786_pcie_port *port) 
		__raw_writel(((roundup_pow_of_two(size) / SZ_256K) - 1) << 18,

			     chan->reg_base + SH4A_PCIEPAMR(i));



		pci_write_reg(chan, res->start, SH4A_PCIEPARL(i));

		pci_write_reg(chan, 0x00000000, SH4A_PCIEPARH(i));

		pci_write_reg(chan, 0x00000000, SH4A_PCIEPARL(i));



		enable_mask = MASK_PARE;

		if (res->flags & IORESOURCE_IO)